Edelweiss GAMBIT DS1-MK3 User's Manual
Contents
1. T 130 0 11719 23438 35156 46875 Frequency Hz Graph 34 Output spectrum with 80dBFS 1kHz sine wave dithered to 16 Bits using the three POW R algorithms at 44 1kHz and 88 2kHz respectively a Weiss Engineering Ltd Florastr 42 CH 8610 Uster B 41 44 940 22 14 http www weiss ch lt weiss weiss ch 41 44 940 20 06 Page 27 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA Remote MIDI Implementation System Inclusive All band parameters plus the controls parameters are remote controllable Each parameter has its corre sponding MIDI controller number According to the different parameters the controllers are limited in their range Invalid values are re placed by the maximum allowable value Following is a list of the supported MIDI commands Action MIDI Status Byte Data Byte s Comment Message Restore Snapshot Program Change 1100 cccc Oppp pppp cccc Channel No ppppppp New Prog No 0 127 Center Frequency 1 Control Change 1011 cccc 00000000 00 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 105 Bandwidth 1 Control Change 1011 cccc 00000001 01 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 48 Filter Mode 1 Control Change 1011 cccc 00000010 02 cccc Channel No Ovvv vvvv vvvvvvv New Value O limiter 1 Bandpass 2 Lowpass 3 Hipass Preview Delay 1 Control Change 1011 cccc 00000011 03 cccc Channel No Ovvv vvvv vvvvvvv New2. 1 Bandpass 2 Lowpass 3 Hipass cccc Channel No vvvvvvv New Value 0 32 cccc Channel No vvvvvvv New Value 0 43 cccc Channel No vvvvvvv New Value 0 53 cccc Channel No vvvvvvv New Value 0 53 cccc Channel No vvvvvvv New Value 0 53 cccc Channel No vvvvvvv New Value 0 53 kX weiss weiss ch Page 29 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Soft Knee 2 Control Change 1011 cccc 1011 cccc Gain Makeup Mode 2 Control Change 1011 cccc Control Change Control Change Control Change Control Change Control Change Parallel Mode 2 Control Change Control Change Safety Limiter Control Change Control Change Control Change Control Change Sidechain Link Control Change Control Change Control Change 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 00001001 1B Ovvv vvvv 00001010 1C Ovvv vvvv 00001011 1D Ovvv vvvv 00001100 1E Ovvv vvvv 00001101 1F Ovvv vvvv 00001110 20 Ovvv vvvv 00001111 21 Ovvv vvvv 00010000 22 Ovvv vvvv 00010000 23 Ovvv vvvv 00010000 24 Ovvv vvvv 00010000 25 Ovvv vvvv 00010000 26 Ovvv vvvv 00010000 27 Ovvv vvvv 00010000 28 Ovvv vvvv 00010010 29 Ovvv vvvv
3. tion press the menu key 0 then chose system and then press the display softkey Then use keys A and B to select either gain reduction or curve to change the resolution of the corresponding graphs Use the gain data controller 0 to alter values LCD Contrast To change the display contrast press the menu key 0 then system then display Press key D to activate LCD Contrast Adjust contrast with the gain data encoder Graphic 31 Display menu Bypass The DS1 MK3 can be completely bypassed with the green bypass key below the mains switch If the bypass key is lit the DS1 MK3 is abso lutely transparent making the output signal bit equal to the input signal However the overall delay see chapter Delay is still active a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION While bypass is active key is lit the DS1 MK3 works in preview mode This allows you to change parameters without actually affecting the audio signal Remote Control All band parameters as well as control settings can be set externally To see remote control status refer to the status display 4 see Status Display p 7 Protocol To select a remote control protocol press key C from the status display menu Select either RS 232 RS 422 or MIDI This will determine which port at the rear of the DS1 MK3 is active The other inacti
4. 00010011 2A Ovvv vvvv a Weiss Engineering Ltd Florastr 42 CH 8610 Uster 41 44 940 20 06 B 41 44 940 22 14 http www weiss ch cccc Channel No vvvvvvv New Value 0 10 cccc Channel No vvvvvvv New Value O off 1 manual 2 maximum cccc Channel No vvvvvvv New Value 0 124 cccc Channel No vvvvvvv New Value 0 60 cccc Channel No vvvvvvv New Value 0 126 cccc Channel No vvvvvvv New Value 0 127 cccc Channel No vvvvvvv New Value 0 127 cccc Channel No vvvvvvv New Value 0 1 cccc Channel No vvvvvvv New Value 0 41 cccc Channel No vvvvvvv New Value 0 1 cccc Channel No vvvvvvv New Value O 1 cccc Channel No vvvvvvv New Value 0 1 cccc Channel No vvvvvvv New Value 0 1 cccc Channel No vvvvvvv New Value O 1 cccc Channel No vvvvvvv New Value O off 1 on cccc Channel No vvvvvvv New Value 0 WSA 1 WSB kX weisS weiss ch TECHNICAL DATA Page 30 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA Monitor Control Change 1011 cccc 00010100 2B cccc Channel No Ovvv vvvv vvvvvvv New Value O off 1 on System Reset Es Ferrey Recall Snapshot 0 to WS A System Exclusive Snapshot format Bytecount Value Description FO Sysex Header 00 Manufacturer s ID 30 Manufacturer s ID 5A Manufacturer s ID 08 Model ID 0C Gambit D
5. averaged is set by the average parameter The effect of the average parameter can best be studied on the gain re duction meter D Fast average settings will cause most of the gain reduction meter to move very fast depending on the release fast set ting slower settings will just have the top part of the gain reduction move fast with the bottom part depending on the release slow setting Peak RMS In the DS1 MK3 the peak measurement is supplemented with an RMS measurement with variable averaging time To access the RMS detection timeconstant touch Page 10 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 the gain data controller 0 which opens this window PARALLEL m F CUMPEESSION Key A Graphic 10 Gain Data Knob menu Hit Key B to assign the gain data knob to the RMS detection timeconstant The left endstop of this parameter switches the detection to peak mode as used in all previous DS1 versions TIMING 2 M PEL FAST Key A AUERAGE 1 Hs Key C REL 3LOW d iii Graphic 11 Timing 2 window Release Delay Normally the release phase begins immediately after the programme mate rial has fallen in level The release delay deter mines how long the DS1 MK3 holds the current level before entering release see Graphic 9 The resulting dynamic characteristic is very smooth and avoids otherw
6. compressor was motivated by Bob Katz here is what he says about it on the Mastering Webboard You want a patch that compresses without stomping on the attacks at all preserves tran sients but gives you great inner detail You have one control one control only and that is the output level of the compressor gain makeup the sidechain You can bring out in ner details without losing breathing and hardly affecting the upper dynamics at all Works great Not just great absolutely fantastically Fattens bass instruments without causing breathing or pumping You name it it works very well Variations Use it like the Dolby Spectral Enhan cer by split band parallel compression so that a Weiss Engineering Ltd Florastr 42 CH 8610 Uster for example high frequency inner details at low levels are enhanced The other change in architecture is the addition of a second gain before the safety limiter re ferred to as pre limiter gain The old overall gain is also still available Read on p 8 Also the scales of the gain gain makeup and ratio parameters has been modified to suit cus tomer feedback New values on p 26 Update from DS1 MK2 v1 3 to DS1 MK2 v2 0 In the v2 0 version POW R dithering capabilities have been added The dithering menu now has a setup entry which gives you access to the three POW R algorithms Update from DS1 MK2 v2 0 to DS1 MK2 v2 1 New Feature Safety Limiter i
7. controllers are in area The purpose of the envelope follower is to cause gradual gain changes thus eliminat ing distortion The current values are shown in a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION A input detected signal envelope attack release release phase delay phase Graphic 9 Envelope Parameters Attack and Preview The longer the attack time the more will the leading edge of fast tran sients pass by the gain reduction circuit unal tered as in Graphic 9 during attack phase Very fast attack time settings such as 20UuS i e one sample period do catch every transient but may distort low frequencies To utilise longer attack times and still catch fast transients use preview Release and Average The input signal is monitored with two different methods peak amplitude and RMS value The peak ampli tude is the programme portion we don t perceive as very loud however which can easily cause overloads The RMS value of the programme material we perceive as loudness Its variations contribute most to the dynamic range of the audio The sidechain processor compares the two measurements it obtained from the peaks and the RMS The ratio between the two determines which time constant would be the appropriate release e g after short duration peak the faster release will be applied during the release phase The time period over which the RMS value of the programme material is
8. dump to the sequencer Loading Snapshots To load a snapshot dump from sequencer sim ply play the dump sequence The DS1 MK3 will automatically switch into receive mode and dis play statistics about the snapshots it s receiving If the transmission was OK the program Switches back to normal mode Upon error you have to manually switch back to normal mode When playing back the dump sequence always use the same speed as when the sequence was recorded Note the DS1 or DS1 MK2 snapshots are not compatible with the DS1 MK3 snap shots A program to convert the DS1 MK2 to DS1 MK3 snapshots Is in preparation Graphic 30 Dumping Snapshots Page 20 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Meter Resolution The transfer graph and the compressor peak meters Q work with different resolutions to accommodate signals with a wide dynamic range The resolution for the peak meters and transfer graph can be set in fixed steps of 20dB 40dB and 80dB or alternatively to auto In auto mode the display switches to the next step as soon as the transfer graph falls below the cur rent window The peak meters resolution is al ways the same as the transfer graph s The same principle applies to the gain reduction meters of the compressor D and the safety limiter To adjust gain reduction or peak meter resolu
9. ee fe fe ee 2 ee fms f s00ms_fo s Ea Ee Ce Py 5 10 0 5 2 5 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 33 41 44 940 20 06 B 41 44 940 22 14 http www weiss ch X weiss weiss ch TECHNICAL DATA OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 AUDIO PRECISION dsia 100 00 AUDIO PRECISION dsia 100 00 Fig 2 Fig 1 the sidechain reacts to the input signal slowly because of the long attack time the level of the burst is brought to the Fig 2 A very short preview time combined with a long attack time cause an overshoot at the onstart of the burst As anticipated level Fig 1 Bypass this is how the 50 dutycycle sinewave burst looks like X axis shows time in milliseconds Y axis shows linear level in percentage of full scale Just like a scope AUDIO PRECISION dsia 100 00 Fig 4 Fig 3 Fig 3 The preview time is now about three times the attack time which gives the sidechain a headstart on the audio signal The result is a proper limiting without overshoot Fig 4 As useful the preview facility in Fig 3 is it can have an unwanted effect at the release portion A relatively short release time causes the release to show up during the last milliseconds of the burst This because the sidechain sees the burst off
10. press the menu key then snapshots and then the presets key rA Reset all j ee Dume Key C Presets H keyD Graphic 24 Snapshots menu a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION Dither The DS1 MK3 is able to apply POW R type dither algorithms to avoid distortion when re quantizing from 24bit to 16bit or 20bit output word length see TECHNICAL DATA for dither specifications To toggle dither on off press key D twice To see dither status refer to the status display 4 see Status Display p 7 Word Length To set output word length press key D and se lect the appropriate wordlength Setup Press key D then chose the setup menu This leads to the menu where the type of POW R dither can be chosen see TECHNICAL DATA for dither specifications Also selectable is Auto Blacking If auto blacking is activated by marking the 0 IN gt O OUT option dither will be turned off if the input signal is zero As soon as the input Signal changes dither will be turned on again This ensures that pauses between programmes are still digital zero even if dither is activated Page 18 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Snapshots Snapshots are copies of the DS1 MK3 parameter settings This allows recalling complete set ups including all parameters an
11. pu mr ni bal ul lel i j 07 1 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 36 41 44 940 20 06 B 41 44 940 22 14 lt http www weiss ch X weiss weiss ch
12. the factory presets but optimal settings are usually programme dependent so experimenting and listening is inevitable for satisfying results Graphic 5 shows schematic and parameters of the DS1 MK3 compressor stage overall delay put preview Envelope Detection attack release release fast slow release average RMS delay Graphic 5 Compressor schematic Delay A typical compressor limiter circuit measures the audio signal and then generates the gain reduction control signal At the time the control signal changes the gain the programme mate rial is already there so the gain change occurs too late The result is overshoot and possible Subsequent distortion The DS1 MK3 uses a different method to gener ate the gain control signal The audio passing through the mainchain is delayed by a fixed amount of time determined by the overall de lay By branching the signal out of the delay line the sidechain sees the signal before it reaches the output thus allowing look ahead compared to the mainchain The resulting cor rected output signal has no overshoots no lead ing edge distortion or other side effects due to timing lags in the sidechain a Weiss Engineering Ltd Florastr 42 CH 8610 Uster B 41 44940 2214 http www weiss ch lt weiss weiss ch 41 44 940 20 06 audio signal Out Q put gain control signal Mainchain Non Linear Transfer Curve soft kneg ratio threshold gai
13. 1 4 40 1 4 35 1 4 30 1 4 25 1 4 20 1 4 15 1 4 10 1 4 05 1 4 00 1 3 95 1 3 90 1 3 85 1 3 80 1 3 75 1373 70 1373 05 135 60 1 3 55 1735 50 1 53 45 155 40 13 35 11330 13 253 13207 123 15 133 10 1 3 05 1 3 00 1 2 95 1 2 90 1 2 85 1 2 80 1 2 75 1 2 70 1 2 65 1 2 60 1 2 55 1 2 50 1 2 45 1 2 40 1 2 35 1 2 30 1 2 25 1 2 20 1 2 15 1 2 10 1 2 05 1i 2 00 1 1 95 ISR 90 Ep 85 1 1 80 Ti 75 121270 11265 11 607 121 55 tL 1 50 1 1 45 1 1 40 1 1 35 1 1 30 1 1 29 1 1 28 1 1 27 1126 22025 LL24 2S ELZ 2 1 1 20 1 1 19 PLS TLELI n IG dee ALI 1 1 13 1 1 12 1 1 11 1 1 10 1 1 09 1 1 08 1 1 07 1 1 06 1 1 05 1 1 04 1 1 03 1 1 02 1 1 01 Le L051 AeL Al el 25L 1 3321 1 43 1 1 54 1 1 67 1 1 81 1 2 00 1 2 22 1 2 50 1 2 86 1 3 33 1 4 00 1 5 00 1 6 66 1 10 0 1 20 0 1 1000 1 Gain Makeup Scale is symmetrical around 0 0 only positive values listed All numbers are in dB 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6 3 8 4 0 4 2 4 4 4 6 4 8 5 0 5 2 5 4 5 6 5 8 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 10 5 11 0 12 0 13 0 14 0 15 0 16 0 17 0 18 0 1 0 20 0 22 0 24 0 26 0 28 0 30 0 32 0 34 0 36 0 38 0 40 0 45 0 50 0 55 0 60 0 off max RMS time All numbers are in seconds 40u 60u 80u 100u 125u 160u 200u 250u 315u 400u 500u 630u 800u 1m 1 25m 1 60m 2 00m 2 50m
14. 3 15m 4 00m 5 00m 6 30m 8 00m 10 0m 12 5m 16 0m 20 0m 25 0m 31 5m 40 0m 50 0m 63 0m 80 0m 100m 125m 160m 200m 250m 315m 400m 500m u 10 m 10 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 26 41 44 940 20 06 B 41 44 940 22 14 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Dither TECHNICAL DATA Dithering algorithm is implemented using the POW R set of algorithms Graph 34 shows the three algo rithms at 44 1kHz and 88 2kHz sampling rates each Amplitude dBFS 1kHz Sine at 80dB 44 1kKHz with POW R 1 70 80 90 100 110 120 130 140 150 160 0 5383 10767 16150 21533 Frequency Hz 1kHz Sine at 80dB 44 1kHz with POW R 2 70 80 90 a 100 co x 110 Q pe B 120 a 130 140 150 160 0 5383 10767 16150 21533 Frequency Hz 1kHz Sine at 80dB 44 1kHz with POW R 3 70 80 90 a 100 m Z 110 Q pei B 120 x 130 140 150 160 0 5383 10767 16150 2153 Frequency Hz Amplitude dBFS Amplitude dBFS 1kHz Sine at 80dB 96KHz with POW R 1 100 110 120 130 140 150 160 0 11719 23438 35156 46875 Frequency Hz 1kHz Sine at 80dB 96KHz with POW R 2 70 50 90 100 110 120 130 140 150 160 0 11719 2343 35156 46675 Frequency Hz 1kHz Sine at 80dB 96KHz with POW R 3 70 80 90 a 100 co Z 110 Q pei B 120
15. 3 FRONT PANEL FRONT PANEL ambit series weiss i DS1 MK3 release release average release B Sa attack delay fast O _ slow digital de esser compressor limiter off f O Q bypass gain data soft knee threshold gain makeup store recall A B safe chl ch2 ganged Jmonitor snapshots Graphic 1 Front Panel Elements i HL ie Graphic 2 Display Elements a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 3 41 44940 2006 B 41 44 940 2214 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 FRONT PANEL Front Panel Groups The front panel of the DS1 MK3 offers several control and display features Control Refer to Graphic 1 Front Panel Elements Oo Menu and softkeys p 7 Snapshot keys p 19 ganged channel select keys p 16 4 Gain Data controller p 8 Crossover controllers p 12 O Envelope follower controllers p 10 60 Non linear transfer curve controllers p 11 Display Refer to Graphic 2 Display Elements Gain value p 8 Crossover setting frequency selective mode only p 12 Non linear transfer curve and signal metering p 11 Status display p 7 Peak limiter gain reductio
16. 570 1660 1760 1860 1980 2090 2220 2350 2490 2640 2790 2960 3140 3320 3520 3730 3950 4190 4430 4700 4980 5270 5590 5920 6270 6640 7040 7460 7900 8370 8870 9400 9960 10500 11200 11800 12500 13300 14100 14900 15800 16700 17700 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 25 41 44 940 20 06 B 41 44 940 22 14 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA Attack Release Delay Release Fast amp Slow Average RMS Preview when applicable All numbers are in seconds 20u 40u 60u 80u 100u 125u 160u 200u 250u 315u 400u 500u 630u 800u 1m 1 25m 1 60m 2 00m 2 50m 3 15m 4 00m 5 00m 6 30m 8 00m 10 0m 12 5m 16 0m 20 0m 25 0m 31 5m 40 0m 50 0m 63 0m 80 0m 100m 125m 160m 200m 250m 315m 400m 500m 630m 800m 1 1 25 1 60 2 00 2 50 3 15 4 00 5 00 6 30 8 00 u 10 m 10 Soft knee 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Threshold All numbers are in dB 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Ratio 1 5 00 1 4 95 1 4 90 1 4 85 1 4 80 1 4 75 1 4 70 1 4 65 1 4 60 1 4 55 1 4 50 1 4 45
17. Backup option to arrive at the backup display Graphic 28 Graphic 28 Backup display Select Create 1 to save the current snapshots to bank 1 Select Restore 1 to overwrite the current snapshots with bank 1 ditto for bank 2 A backup will overwrite safe snapshots Reset all Snapshots To reinstall the factory snapshots press the menu key then snapshots and then the Re set all option This will reset the current snap shots The snapshots that have been backed up are preserved Key A Reset all b _ key 8 Dune F Key C Presets FH keyD Graphic 29 Snapshots menu Dump Snapshots The settings of all 128 snapshots can be dumped to a remote control port to be stored externally Please make sure that you have connected eve rything correctly and that the proper remote control port is activated see chapter Remote Control for setup a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION When dumping to a MIDI sequencer make sure that the sequencer is not sending or receiving data other than the snapshot dump Certain sequencers are not capable of han dling the amount of data output by the DS1 MK3 and might crash during or after the dump process To initiate a dump press the menu key then choose the Snapshot and then the Dump option Start the recording process on the se quencer then press Transmit This releases the
18. MBIT DE ESSER COMPRESSOR DS1 MK3 Parallel Compressor The DS1 MK3 can be used in parallel compres sion mode where the compressed signal is added to the straight signal How to activate parallel compression Touch the gain data controller 0 In the menu that appears mark the checkbox with softkey A When using parallel compression the DS1 MK3 is able to run in frequency selective or in full band mode ia Graphic 18 Parallel Full Range Compression PARALLEL COMPPRESSIO Graphic 19 Parallel Compression on off Key A Parallel full band compression As can be seen in the schematic Graphic 18 the input signal and the compressed signal are added together The gain makeup value can be used to control the amount of compressed signal The pre limiter gain can be used to scale the mix input meter band In Cross pas put over Pre Limiter Safety Limiter OPERATION before limiting Parallel band selective compression Graphic 20 To add even more subtle com pression the compressed signal can be filtered before compression Using the monitor function one can listen to the filtered signal for optimal crossover setup Why parallel compression Read this quote from Bob Katz from the Master ing Webboard You want a patch that compresses without peak over hold Output Gain A Out put stomping on the attacks at all preserves tran sients but gives you great inner det
19. S1 MK3 0000nnnn Device ID gt Midi channel number i 00000001 message Snapshot dump Message Type 1 Onnnnnnn Package number 0 7F Data 9 Onnnnnnn scale set number 10 24 Onnnnnnn 15 Bytes of Snapshot data Checksum without byte one FO Sysex Command feos EOS EOS Dump request Bytecount Value Description 1 FO Sysex Header 2 00 Manufacturer s ID 3 30 Manufacturer s ID 4 5A Manufacturer s ID 5 08 Model ID 0C Gambit DS1 MK3 6 0000nnnn Device ID gt Midi channel number je 00000010 message dump request Message Type 2 ep fos cos Version request Bytecount Value Description FO Sysex Header 00 Manufacturer s ID 30 Manufacturer s ID 5A Manufacturer s ID 08 Model ID 0C Gambit DS1 MK3 0000nnnn Device ID gt Midi channel number 00000011 nessage Type 3 ee eos fico a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 31 41 44 940 20 06 B 41 44940 2214 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA Version send Bytecount Value Description FO Sysex Header 00 Manufacturer s ID 30 Manufacturer s ID 5A Manufacturer s ID 08 Model ID 0C Gambit DS1 MK3 oo0Onnnn Device ID gt Midi channel number 00000100 fooogo100 oseverson SSS S oooo0r00 scaeverion SS S oooooroo coett version SSS S o O 1 2 3 4 5 6 eo fo N PC programming mode Bytecount Value Descrip
20. Value 0 32 Attack 1 Control Change 1011 cccc 00000100 04 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 43 Release Delay 1 Control Change 1011 cccc 00000101 05 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 53 Release Fast 1 Control Change 1011 cccc 00000110 06 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 53 Average 1 Control Change 1011 cccc 00000111 07 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 53 Release Slow 1 Control Change 1011 cccc 00001000 08 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 53 Soft Knee 1 Control Change 1011 cccc 00001001 09 cccc Channel No Ovvv vvvv vvvvvvv New Value 0 10 Gain Makeup Mode 1 Control Change 1011 cccc 00001010 0A cccc Channel No Ovvv vvvv vvvvvvv New Value O off 1 manual 2 maximum a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 28 41 44940 2006 B 41 44940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Ratio 1 Threshold 1 Gain Makeup 1 Gain 1 Output Gain 1 Parallel Mode 1 RMS time 1 Center Frequency 2 Bandwidth 2 Filter Mode 2 Preview Delay 2 Attack 2 Release Delay 2 Release Fast 2 Average 2 Release Slow 2 a Weiss Engineering 41 44 940 20 06 Control Change Control Change Control Change Control Change Control Change Control Change Control Change Control Change Co
21. ail You have one control one control only and that is the output level of the compressor gain makeup the sidechain You can bring out in ner details without losing breathing and hardly affecting the upper dynamics at all Works great Not just great absolutely fantastically Fattens bass instruments without causing breathing or pumping You name it it works very well Variations Use it like the Dolby Spectral Enhan cer by split band parallel compression so that for example high frequency inner details at low levels are enhanced The last paragraph refers to parallel band selective compression cross over in highpass mode Graphic 20 Parallel band selective compression output peak over meter hold Pre Limiter Output Gain Gain Safety Out io eine a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 14 41 44 940 20 06 B 41 44 940 22 14 lt http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 OPERATION Starting point for parallel compression Set the threshold for 50 dBFS ratio to 2 5 1 attack to the fastest microseconds release to mid around 250 300 ms adjust to taste if you hear breathing or pumping The makeup gain governs the amount of compression Reihe1 Reihe2 0 10 20 30 40 50 Graphic 21 effect of parallel compression Graphic 21 shows the effect of Parallel Compres sion on the transfer
22. al while in compres sor full band mode the transfer curve usually gets to lie anywhere between off and max according to the amount of loudness correction one wants to apply Once max is on the transfer curve is attached to OdBFS for maximum possible gain max is engaged as soon as the curve reaches OdBFS by manipulating any combination of the above pa rameters or by selecting max from the gain makeup menu This mode can be exited by manually reducing the gain makeup or by select ing off from the gain makeup menu GAIN MAKEUP MM Key A MRMURL Key B Key C Key D Graphic 14 Gain Makeup display a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION The applied gain reduction from the com pressor section is displayed in Signal Meters The meters in 3 show the level of the input horizontally on top of the transfer curve graph and output of the compressor stage vertically to the right of the transfer curve Refer to Graphic 16 and 17 to see the metering points Band Selective Mode vs Full Range Mode The DS1 MK3 can be used in conjunction with a frequency crossover band selective mode or straight full range mode How to change modes Touch the centre fre quency or bandwidth controller 0 The soft keys become selection keys for the filter type highpass Key A bandpass Key B lowpass Key C or bypass Key D In bypass the full range mode compressor i
23. before the gain stage sees it preview delay so the end of the burst gets influenced by the release Page 34 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster B 41 44 940 22 14 http www weiss ch lt weiss weiss ch 41 44 940 20 06 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA AUDIO PRECISION dsia AMPi PS vs TIME sec 29 APR 93 04 51 11 60 00 Fig 5 Fig 6 Figs 5 and 6 The effect described in Fig 4 can be eliminated with the Release Delay parameter The release is de layed for a certain time and thus can not influence the end of the burst anymore In Fig 5 the release delay is not quite long enough while in Fig 6 there is no release influence visible anymore ANALY uA i A chp aia I ae i i Lf iil ute hug Palen ul Wil ia reales aT Fig 7 Fig 8 The following figures show the effect of the automatic release time algorithm and the Average parameter Fig 7 A very short burst duration like a short peak in the music The Release Fast Average and Release Slow pa rameters are set to typical values Fig 7 shows that after a short peak the Release Fast time is chosen so that the short peak does not have much influence on the programme after it Fig 8 The burst is now longer which gives it more influence on t
24. curve upper graph Lower levels are raised while higher levels are not much affected a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 15 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Ganged Unganged The DS1 MK3 allows for independent parameter settings in channels 1 and 2 8 If the ganged key is lit both channels operate with the same parameter set If the ganged key is not lit the two channels can operate with different parameters The CH1 CH2 M S key assigns the knobs and the display to the appropriate channel i e key not lit assigns CH1 or M and key lit assigns CH2 or S In ganged mode the CH1 CH2 M S key becomes a special function it then can be used as a A B key in that either CH1 settings are applied to both channels or the CH2 settings are applied to both channels The copy menu copy key allows to copy CH1 into CH2 parameters or vice versa in order to have the same parameters in the two channels to start with M S Mode Sidechain Link The DS1 MK3 can be switched to M S Mid Side mode To do that press the menu key the following menu opens up Key A Key B Susten P key c Snapshots tj Graphic 22 M S Mode and Sidechain Link Key A selects M S Mode on off box checked means M S mode engaged while Key B selects the sidechain link on off box checked means sidechain lin
25. d controls settings Snapshots can be recalled from the front panel or by remote control e g MIDI Program Change Snapshot access keys are in To see work Space status refer to the status display 4 see Status Display p 7 A B Comparison You can compare two settings by using the two workspaces A and B To toggle between the two press the A B key Restore a snapshot or simply adjust parameters in one workspace then switch to the other to compare To copy workspace A to B or vice versa press the copy key and select an option Graphic 25 Key A chez to chi Key B A torpe p Key C eat to A Key D Graphic 25 Copy menu The active workspace is shown in the status display Recall Snapshots To recall a snapshot press the recall key No tice that the snapshot will be copied into the active workspace If you do not want to lose these settings switch to the other workspace by pressing the A B key Recall amp Key A Key B Key C Key D Graphic 26 Recall menu a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION Using the gain data controller 0 enter the number of the snapshot you want to recall The graph of the snapshot will be displayed How ever the audio signal is not affected if the Pre view option is marked Once you have found the snapshot press key D to restore it If the Preview option is
26. d length Bits 6 7 00 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster 41 44 940 20 06 B 41 44940 2214 http www weiss ch X weiss weiss ch TECHNICAL DATA Page 24 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA Power Mains Voltage 110 220 Volts with voltage selector Fuse rating 500 mA slow blow Power Consumption 40VA max Overload Number of consecutive over samples to cause over display 1 16 settable Peak Meters Peak meters timing for compressor input and output stage adhere to AES recommendations Parameter Table Overall Gain All numbers in dB oo 80 0 75 0 70 0 65 0 ee 2 0 18 0 16 0 14 0 12 0 1 0 3627 F9 2 2572 0 3 0 1 9 2 J2 Bandwidth All numbers are fractions of octaves 1 6 1 3 2 2 3 5 6 1 11 6 1 1 3 1 2 1 2 3 1 5 6 2 2 1 6 2 1 3 2 2 2 2 3 2 5 6 3 3 1 6 3 1 3 3 2 3 2 3 3 5 6 4 4 1 6 4 1 3 4 2 4 2 3 4 5 6 5 5 1 6 5 1 3 5 v2 5 2 3 5 5 6 6 6 1 6 6 1 3 6 2 6 2 3 6 5 6 7 7 1 6 7 1 3 7 V2 7 2 3 7 5 6 8 Frequency All numbers are Hertz and are either center or cutoff frequency 41 44 46 49 52 55 58 62 65 69 73 78 82 87 92 98 104 110 117 123 131 139 147 156 165 175 185 196 208 220 277 294 311 330 349 370 392 415 440 466 494 523 554 587 622 659 698 740 784 831 880 932 988 1050 1110 1170 1240 1320 1400 1480 1
27. digital audio WEISS weiss engineering ltd L Florastrasse 42 8610 Uster Switzerland 41 44 940 20 06 B 41 44 940 22 14 8 http www weiss ch http www weiss highend com GAMBIT DS1 MK3 OPERATING MANUAL DS1 MK3 meru over Gee COMPRIS MEEI Software Version OS 3 0 DSP 3 0 Release Date May 2008 digital audio WEISS weiss engineering ltd i a Florastrasse 42 8610 Uster Switzerland 41 44 940 20 06 B 41 44 940 22 14 8 http www weiss ch http www weiss highend com Authors Andor Bariska Daniel Weiss Weiss Engineering LTD Weiss Engineering LTD reserves the right to make changes to product specifi cation or documentation without prior notice Updated manuals and datasheets are available at our website for downloading Weiss Engineering LTD makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does part of this manual and specifically disca lims any and all liability including without limitation consequential or incidental damages All rights reserved No part of this publication may be reproduced or transmit ted in any form or by any means electronic or mechanical including photocopy ing scanning or any information storage or retrieval system without the ex press prior written consent of the publisher Copyright Weiss Engineering LTD 2008 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK
28. e Graphic 23 above for the Monitor output position The Monitor output works as follows DS1 MK3 in ganged mode The stereo signal is fed forward to the output If the band selective mode is selected only the active band is fed to the output DS1 MK3 in unganged mode The currently selected channel CH1 or CH2 or M or S is fed to both L and R outputs This allows for instance to listen to the S signal only in order to adust the compressor optimally If monitor ts active the output peak hold and the over detection run on the monitor signal not on the main output a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 17 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Factory Presets The DS1 MK3 has easily accessible factory pre sets for a quick setup which can then be refined and adapted to the programme being processed These factory presets are grouped according to their function De Esser Four applications for high frequency transients removal Adjust threshold and cross over frequency as required Limiter Three settings for loudness maximising experiment with the transfer curve parameters for a programme optimised result The last set ting uses the crossover to select the low band and applies a small gain hence bass boost More factory presets are in preparation To access the factory presets
29. essional To change the output channel status data for mat press key A and select format type or loop through Peak Group Key B Situated adjacent to key B this group contains a peak hold and an over hold for each channel To reset these values press key B twice a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Peak Hold The numeric peak value is measured relative to OdBFS digital full scale Use this value to set the optimum gain for a specific session Reset it for every session by pressing key B twice Over Hold Whenever an over is encountered the boxes to the side of the peak hold values are marked The functions of the over LED s and the over hold both depend on the NUMBER OF CONSECUTIVE OVER SAMPLES setting To adjust this setting press key B once Use the gain data controller 0 to change the value then press menu to return to the status display This setting defines the number of consecutive over samples needed for an over indication To indicate every over sample enter 1 If another value is entered you are still able to detect a single over sample with the peak hold function Over samples are defined as exceeding the integer range A full scale signal OdBFS will not be treated as over Remote Group Key C Situated adjacent to key C displays remote control protocol MIDI RS 232 or RS 422 channel 1 16 and status on off dis pla
30. he average measurement averaging oft he signal First there is a Release Fast portion followed by a short segment of Release Slow a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 35 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA AUDIO PRECISION dsta AMPIi PS vs TIME sec 29 APR 93 07 09 52 Fig 9 Fig 10 Fig 9 The burst is even longer causing a longer Release Slow portion Fig 10 Still longer burst with even longer Release Slow portion AUDIO PRECISION dsia AMPi FS vs TIME sec 29 APR 38 07 12 47 AUDIO PRECISION dsia AMPi PS vs TIMEisec 29 APR 8 07 13 15 F al lela ere eT ec Bae om hdl its laa well ise nell Ail S a P a 1 o o E o o T S Fig 11 Fig 12 Figs 11 to 14 For these figures the Average time is relatively short causing the average measurement value to follow the peak measurement more quickly than with Fig 7 to 10 The effect is that depending on the burst length there is not that much of an influence of the Release Slow parameter as it was with figures 7 to 10 AUDIO PRECISION dsia AMPi PS vs TIME sec 29 APR 93 07 13 34 AUDIO PRECISION dsia AMPi PS vs TIME sec 3 52 29 APR 33 000 will ii mI MTL be ml M
31. ise typical pumping effects The ideal setting is programme depend ent and experimentation may be necessary to achieve the best combination of all dynamic parameters Non Linear Transfer Curve The transfer curve parameter controllers are in area O This part of the sidechain is re sponsible for the actual gain reduction D cal culations The detected signal envelope is com pared with the transfer curve the gain control signal see Graphic 5 is then adjusted accord ingly if the envelope overshoots the transfer curve a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION input OdBFS max gain makeup soft knee 0 3 soft knee 1 0 max threshold output Graphic 12 Transfer Curve Parameters Threshold Sets the level which the envelope signal has to reach before gain reduction is ap plied Ratio Sets the slope of the segment above the threshold The ratio can be adjusted for com pression or expansion depending on the re quirement For full band expansion e g to re introduce dynamics into an over compressed Signal one will usually work with the gain makeup set to maximum This means that a 0 0dB input will be passed through without gain signals below the threshold will be reduced with a constant gain depending on threshold and ratio setting can be read from the display when touching the gain makeup controller and signals between the threshold and 0 0dBFS get expanded F
32. ked In M S mode it usually is pref erable to set the channels unganged and the sidechain unlinked Graphic 23 shows the block digram of the DS1 MK3 when in M S mode Note the positions of the M S encoder and decoder With the Gain controls it is possible to change the balance be tween M and S while the Output Gain controls are arranged after the M S to L R conversion a Weiss Engineering Ltd Florastr 42 CH 8610 Uster OPERATION The Compressor block can again work in full band mode or in band selective mode inde pendently in the two channels I e it is possible to process e g the S signal in full band mode and have the M signal processed in band selec tive mode for de essing The parallel compression again works around the Compressor block Parallel compression can be switched on independently in the two channels Compressor Ea N output meter Monitor Safety Limiter y ON M S decoder L R gt lt x Output Gain E a peak over e hold L R Output Graphic 23 Block diagram in M S mode Page 16 41 44 940 20 06 B 41 44 940 22 14 lt http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 OPERATION Monitor Key In band selective mode pressing the monitor key allows you to listen directly to the proc essed band ideal for zooming in on offending material and listening to the effect of the com pressor stage Se
33. mat Output Byte 0 Bit 0 O consumer Bit 1 O audio Bit 2 1 copy allowed Bits 3 4 Preemphasis according to input Bit 5 0 2 channel mode Bits 6 7 00 Mode 0 Byte 1 Bits 0 6 0000000 category code general Bit 7 1 original Byte 2 Bits 0 1 2 3 Sampling Frequency according to input Bits 4 5 00 accuracy grade II Bits 6 7 00 Bytes 3 23 reserved bytes a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 23 41 44 940 20 06 B 41 44940 2214 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Output selected Professional format Input Professional format Output All bits fed forward transparent except for Byte 2 Bits 0 1 2 001 max sample length 24bit Bits 3 4 5 101 24 bit word length Bits 6 7 00 Input Consumer format Output Byte 0 Bit O 1 professional Bit 1 O audio Bits 2 3 4 Preemphasis according to input Bit 5 O source fs locked Bits 6 7 Sampling Frequency according to input Byte 1 Bits 0 1 2 3 0001 two channel mode Bits 4 5 6 7 0000 no user bit encoding Byte 2 Bits 0 1 2 001 max sample length 24bit Bits 3 4 5 101 24 bit word length Bits 6 7 00 Bytes 3 12 All bits O Byte 23 CRCC byte Output selected Transparent Input Any format Output All bits fed forward transparent except if not bypassed Byte 2 Bits 0 1 2 001 max sample length 24bit Bits 3 4 5 101 24 bit wor
34. n makeup Sidechain The preview the time the signal reaches the sidechain ahead of the multiplier cannot of course exceed the overall delay The overall delay is the sum of the maximum overall delay Delay box in Graphic 5 and the delay required for other signal processing lin ear phase filtering for up and downsamplers Any snapshot value of the preview delay which exceeds this maximum is clipped to the maxi mum because the overall delay is not stored in the snapshots and therefore the preview delay in any snapshot can exceed the currently selected overall delay Setting overall delay The overall delay is adjusted by pressing the menu key 0 then selecting the system and then the overall delay option Use the gain data controller 0 to change the delay value Maximum con sequential preview time and delay in frames is also displayed Please note that during delay Page 9 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 change audio is muted to avoid audio signal cuts Graphic 7 Overall Delay display Setting preview Touch either the attack or release delay controller O to activate the timing 1 window then use the gain data con troller 0 to adjust preview time PREVEU ae 1b Key B ATTACK SS KeyC f PEL DELAY 1 Hams Beyo Graphic 8 Timing 1 window Envelope Follower The envelope follower parameter
35. n meter p 8 Envelope follower settings p 10 Compressor gain reduction meters p 10 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 4 41 44 940 20 06 B 41 44 940 22 14 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 INTRODUCTION INTRODUCTION Congratulations on purchasing the Weiss DS1 MK3 De esser Compressor This two channel digital De esser Compressor features linear phase crossover filters covering the whole audio band Thus the DS1 MK3 is not just a De esser but can also be used as band selective or full band Compressor Limiter The controls for the two channels can be ganged or unganged useful for M S compression Simi larly sidechain linking can be turned off Internal processing is either 88 2kHz with 44 1 and 88 2kHz input or 96kHz with 48 or 96kHz input in DeEsser and in Compressor mode Double precision up and down sampling units within the DS1 MK3 result in negligible distor tion and high transparency for absolutely clean sound The non linear segment can be adjusted from 1000 1 to 1 5 allowing every kind of dynamic processing from limiting to upward expansion for over compressed signals Put back a little dynamics into that ultra finalized mix An additional safety limiter takes care of any overs that are generated in DeEsser as well as in Compressor mode This and the ability to remote control para meter
36. n with MIDI Pro gram Change Commands MIDI Dump of Snapshots Page 5 41 44 940 2006 B 41 44 940 2214 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 UPDATE HISTORY UPDATE HISTORY Update from DS1 to DS1 MK2 v1 0 or v1 1 The main difference between these two versions is the ability of the DS1 MK2 to accept 88 2 96kHz input signals Contrary to the DS1 where double sampling processing was only used in compressor mode the DS1 MK2 now uses inter nal up and downsampling stages and all proc essing is at 88 2 96 kHz There is a completely new feature available in the DS1 MK2 the upward expander This is the logical extension of the compressor Just turn the ratio controller counterclock wise to experi ence this new sound New scale range on p 26 The DeEsser section has been enhanced with a new crossover which covers the whole audio bandwidth the DS1 used 271 Hz as lowest cut off frequency the DS1 MK2 can now be tuned down to 41 Hz New scale range on p 25 And for those who like it hot there is a new peak limiter section added in series to the com pressor de esser which cuts down spikes above 0 0dBFS Read about its operation on p 8 Update from DS1 MK2 vi 0 or v1 1 to DS1 MK2 v1 3 The main new enhancement is the parallel com pressor option To read about operating and options of the parallel compressor turn to p 14 This way of using a
37. not marked the snapshots will be recalled as soon as you enter a new number Press the recal display key to return to the status Recall 0 Snapshot O can be used for a quick reset Store Snapshots To store the current workspace to a snapshot press the store key With the gain data con troller 0 enter the snapshot number where you want to store the workspace then press key D Snapshots can be prevented from accidental erasure by marking the Safe option A setting can be stored to multiple snapshots Press To Range in the store menu Start Key A Key B Key C Key D Graphic 27 Store To Range menu Press the adjacent keys to select Start and End snapshot number use the gain data encoder to enter a value Graphic 27 Pressing Execute will store the setting from the dis played workspace A or B to all snapshots between the Start and End value A Safe snap shot will not be overwritten Page 19 41 44 940 20 06 B 41 44940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Backup Snapshots All 128 snapshots can be transferred to another internal non volatile memory area for later ref erence There is enough memory for two com plete snapshot sets to be backed up Press the menu key 0 then choose the Snapshots and then the
38. ntrol Change Control Change Control Change Control Change Control Change Control Change Control Change Control Change 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 1011 cccc 00001011 0B Ovvv vvvv 00001100 0C Ovvv vvvv 00001101 0D Ovvv vvvv 00001110 0E Ovvv vvvv 00001111 0F Ovvv vvvv 00010000 10 Ovvv vvvv 00010000 11 Ovvv vvvv 00000000 12 Ovvv vvvv 00000001 13 Ovvv vvvv 00000010 14 Ovvv vvvv 00000011 15 Ovvv vvvv 00000100 16 Ovvv vvvv 00000101 17 Ovvv vvvv 00000110 18 Ovvv vvvv 00000111 19 Ovvv vvvv 00001000 1A Ovvv vvvv Ltd Florastr 42 CH 8610 Uster B 41 44 940 22 14 http www weiss ch cccc Channel No vvvvvvv New Value 0 124 cccc Channel No vvvvvvv New Value 0 60 cccc Channel No vvvvvvv New Value 0 126 cccc Channel No vvvvvvv New Value 0 127 cccc Channel No vvvvvvv New Value 0 127 cccc Channel No vvvvvvv New Value 1 cccc Channel No vvvvvvv New Value 0 41 cccc Channel No vvvvvvv New Value 0 105 cccc Channel No vvvvvvv New Value 0 48 cccc Channel No TECHNICAL DATA vvvvvvv New Value O limiter
39. or full band expansion one will typically have quite high thresholds 1dB 4dB because of the resulting overall gain The expander can also be used in frequency selective mode for example to repair the effect of a misused multi band compressor for this purpose the gain makeup can be set higher than the calculated maximum setting to compensate for the overall gain that the expander causes This can potentially cause overs for loud signals in the expanded band it is therefore good practice to engage the safety limiter see below Page 11 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Graphic 13 Threshold Ratio Softknee The expander can only amplify gain differ ences This means that it cannot create a dynamic signal if there was no initial gain difference as is the case in computer gen erated music or with extremely hard limited mixes Soft knee Determines how much the knee is rounded The maximum setting 1 0 chooses a curve that reaches from OdBFS down to twice the threshold value This implies that if soft knee is engaged the signal is already affected even if its envelope lies below the threshold Gain makeup Moves the whole transfer curve up or down In de essing mode the gain makeup is usually set between the minimum 10dB gain and off OdB gain to actually at tenuate the processed sign
40. s and snapshots makes the DS1 MK3 the perfect tool for the recording and mastering engineer Processing 24bit digital input internal 40bit floating point arithmetic dithered output for 16bit 20bit or 24bit wordlengths Transparent phase linear crossover for frequency selective compression All parameters are immediately accessible with instant feedback through LEDs and the LC display Display Standardised peak meters for compressor Stage in and output with peak hold Gain reduction meter with peak hold for compressor and for safety limiter each a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Logarithmic graph of the transfer function of the de esser compressor calculated in real time Status display showing sampling fre quency channel status data handling cur rent workspace and snapshot number and a resetable peak hold and over hold per channel Parameter display activated by touching the knobs showing all timing level and gain parameters Signal status LEDs showing OVERs range of envelope signal and the status of the release time comparator Snapshots 3 x 128 non volatile snapshots where all parameters are stored A B workspaces for quick comparison be tween two settings Remote Control Supports MIDI RS 232 and RS 422 proto cols Standard MIDI Continuous Controllers for parameter remote control including over all gain Snapshot automatizatio
41. s now also of auto release type No changes to the user interface Update from DS1 MK2 v2 x to DS1 MK3 v3 0 After several years of the DS1 s use in mastering and recording studios world wide we have gath ered and implemented a list of most wanted features suggested by our customers These include Ganged or unganged control i e independent parameters in L R or M S possible M S or L R processing Switchable sidechain link Continuously variable signal sensing from Peak to 800ms RMS Page 6 41 44 940 20 06 B 41 44940 2214 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 OPERATION OPERATION The following explanations assume that the de esser compressor is in power up mode i e no menu is active If a menu is active press the menu key repeatedly until the status display appears Status Display Fs S6 OKHe P P ICHi PEAR Graphic 3 Status Display The status display consists of four groups displaying audio signal properties and information about the current state of the DS1 MkK3 Channel Status Group Key A Situated adjacent to key A displays the follow ing information sampling frequency in KHz 44 1 48 88 2 or 96 pre emphasis E appears if pre emphasis is set empty if not used input output channel status data for mat C for consumer and P for pro f
42. s selected Any other filter type engages the appropriate filter ahead of the compressor stage Band Selective Mode Graphic 16 In this mode a frequency crossover is put into the sig nal path splitting it up into two or three bands depending on the filter type setting One of the bands is compressed the other is delayed by the same amount used as delay in the com pressor stage This mode is completely trans parent if no gain reduction is applied Graphic 15 Band Filter menu Page 12 41 44 940 20 06 B 41 44 940 22 14 lt http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 OPERATION Note the input and output meters on the trans Full Range Mode Graphic 17 In this mode fer graph O are connected after the crossover the compressor input meter is at the input of the and before the adder DS1 MK3 The crossover controllers and the l monitor key have no function fiter band centre tyoe width frequency In put monitor Output Gain Gain Safety x Out Limiter put input output peak over meter meter hold Graphic 16 Band Selective Mode input output peak over meter meter hold Output Gain Gain In Out O Comp x ae put p Limiter put Graphic 17 Full Range Mode a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 13 41 44 940 20 06 B 41 44 940 22 14 lt http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GA
43. t Gain Gain t Safety Limiter Graphic 4 Output section When touching the gain controller 0 the required gain can be selected from a menu To change the output gain press softkey D If an arrow appears inside the output gain window the Output Gain can be adjusted Press the D key again to control the pre limiter gain which is shown in the upper left corner of the display Both gains are bypassed when Bypass is active The value shown in is the setting of the pre limiter gain The post limiter output gain should be used to set the maximum output level only usually 0 0dB Safety Limiter This feature is activated by pressing the safe key When the safe key is lit the limiter is on Safety limiter activity can be monitored with the second gain reduction meter below the GAIN window Q If the safe key is lit overs will be limited by this fast peak limiter The parameters of the limiter are fixed and cannot be adjusted However the pre limiter gain can be used to drive the safety limiter Too much pre limiter gain will result in dis tortion Page 8 41 44940 20 06 B 41 44940 2214 http www weiss ch XX weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Compressor Parameters OPERATION Following is a detailed description of all parameters that can be adjusted in the compressor stage Guide lines are given for settings see also
44. tion FO Sysex Header 00 Manufacturer s ID 30 Manufacturer s ID 5A Manufacturer s ID 08 Model ID 0C Gambit DS1 MK3 oo0Onnnn Device ID gt Midi channel number 00000101 message pc programming mode Message Type 5 1 2 3 4 5 6 m a Weiss Engineering Ltd Florastr 42 CH 8610 Uster Page 32 41 44 940 20 06 B 41 44 940 22 14 http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA Addendum to the Manuals of the Gambit Series DS1 DS1 MK2 and DS1 MK3 DeEsser Compressor Limiter The graphs on the pages below have been made to convey a better understanding of the dynamic pa rameters of the Gambit DS1 DeEsser Compressor Please also read the appropriate pages in the DS1 DS1 MK2 DS1 MK3 manual to have a proper under standing of the sidechain process The test signal is a repeating sine wave burst with a certain on and a certain off level The frequency of the sine wave is above 10kHz period less than 100us so there is no influence of the sine wave fre quency on the timing behaviour The table below shows the timing parameters set on the DS1 For the static parameters a threshold of 20dB a 1000 1 ratio and no softknee have been chosen The peak RMS time parameter was set to peak measurement Figure _ Preview_ Attack_ Rel Delay Rel Fast_ Average Rel Slow burst duty cycie__ O a a 2 eos 2oms zos f2ooms sooms fis sow
45. ve ports will be ignored Press the menu key to return to the status display if you do not want to change remote on off status When selecting a port other than MIDI you have to specify the baud rate Refer to the remote control software manual for correct settings The set baud rate is displayed to ensure proper set up Channel To change the remote control channel number press key C adjacent to the remote control field Use the gain data controller 0 to select a value between 1 and 16 Press the menu key to return to the status display Omni mode listening on all channels simultaneously is not supported On Off To enable or disable remote control press key C adjacent to the remote control field Press it again to toggle the ON OFF value While remote control is off data will still be sent to the selected port Also the MIDI THRU output will always mirror the MIDI IN input data regard less of ON OFF or protocol status Page 21 41 44 940 20 06 B 41 44 940 22 14 lt http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Software Information Press the menu key 0 then select the Sys tem and the About option This displays a screen with all the relevant information on your DS1 MK3 and how to reach us Have this page ready when you want to report a problem Key A Key B Key C Key D Graphic 32 S
46. yed with check box For setup see chapter Remote Control p 21 Page 7 41 44 940 20 06 B 41 44 940 22 14 lt http www weiss ch X weiss weiss ch OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 Snapshot Display Key D Bottom line in the status display Refer to this for information on current workspace and snap Shot There are two workspaces A and B for quick comparison of two de esser compressor settings A workspace can be stored to a snap shot for later use The number of the last recalled snapshot will be displayed If you change any value after the recall the will change to to symbolise that the workspace is not equal to the displayed Snapshot anymore For snapshot handling see chapter Snapshots p 19 Dither Icon Key D The dither icon is situated right next to key D see Graphic 3 If dither is off the icon contains the number 24 the word length of the output signal in bits Turning dither on will produce arrows above and below the new word length number 16 or 20 Additionally if auto blacking is enabled the bottom right corner of the icon is inverted For details on dither refer to chapter Dither p 18 a Weiss Engineering Ltd Florastr 42 CH 8610 Uster from previous processing o OPERATION Gain Output Gain There are two gains one pre safety limiter and one post safety limiter as depicted in Graphic 4 Outpu
47. ystem menu SS ENGINEERING LTD i 41 dd 346 26 B6 DP T dF age ee la OS rit AWWLWELSSch PCoetPicier DESIGNED EY DAMIEL WEISS AMDOR EARISKA AHD JAK Graphic 33 About screen a Weiss Engineering Ltd Florastr 42 CH 8610 Uster 41 44940 2006 B 41 44 940 2214 http www weiss ch XX weiss weiss ch OPERATION Page 22 OPERATING INSTRUCTIONS FOR GAMBIT DE ESSER COMPRESSOR DS1 MK3 TECHNICAL DATA TECHNICAL DATA AES EBU Input Sampling Frequencies 44 1 kHz 48 0 kHz 88 2 kHz or 96kHz Maximum Input Wordlength 24 Bits Channel Status Data Input accepts professional or consumer format Channel Status Bits forwarded to AES EBU output see table below Connector XLR female AES EBU Output Sampling Frequencies 44 1 kHz 48 0 kHz 88 2 kHz or 96kHz Output Wordlength 24 Bits Connector XLR male AES EBU Channel Status Data The DS1 MK3 allows to convert the incoming Channel Status Data as follows From Consumer to Professional From Professional to Consumer Transparent mode i e Channel Status Data is fed forward to the output without any conversion one exception see below The following tables describe how the Channel Status Data bits are generated in the various conversion modes Output selected Consumer format Input Consumer format Output All bits fed forward transparent except for Byte 1 Bits 0 6 0000000 category code general Bit 7 1 original Input Professional for
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