User manual VACS – Virtual Recorder
Contents
1. SEO To insert a blank in a recording position the VACS at the position where you want to insert the blank This can be done either by clicking the PAUSE button during playback or by sliding the slider to the desired position in the file E By experience we have noted that using PAUSE during playback is the most convenient way of working User manual The menus e 21 VACS Teacher Video Capture Help ELAPSEU a TOTAL 0 00 04 leraarb waw 1 00 14 File Edt Options i f 2 3p stel dd dod STUDEHT r 4 PROGRAM SE When Insert Blank is clicked a new dialog window will appear This dialog will allow a teacher to enter a duration expressed in seconds During the insertion of the blank a progress indicator will appear The blank is inserted directly into the audio file Insert Blank E Blank space will be inserted at 0 00 00 Seconds Blank duration jo Seconds Inzert When resuming playback it will start at the inserted blank Note that the correct position of bookmarks and subtitling is preserved when inserting blanks User manual The menus e 22 Subtitles Display of subtitles User manual A teacher can insert teacher subtitles as well as student subtitles A student will only be able to insert student subtitles Teacher and student subtitles are displayed in separate windows The windows can be positioned anywhere2. arte member of paa ec User manual VACS Virtual Recorder AVIDAnet MultiMedia Systems VACS Student File Edit Options Video Capture Help sf x AAA STUDENT ea s a PROGRAM User manual Introduction e 1 Table of Content TITO ANC e e a ed e o asm 5 Purpose and SCOPE LARA Ad iaa 5 Chapter OL GAMZ A ON anna 5 Ai o E A 5 General VAS A o cedo ee os 7 Comtat oda 7 SS ENTE QUILMES ii 7 The sofl WA TE 8 EInstallationcof th SOR W ale wesc o ERE dE 8 Installation of the hardware protection Key oooocccccccconononocnnnnnnnnnnnnnnanonnnnnnnnnnonnnnnnncnnnnnnnos 8 Installation of INDEO 60d086 2 21 5 pM ed ede dee fecuri 8 Sarno the SODDWOLO seen is ened ceria apo emat tas laica bo ados ieee eta oia 8 VITANET Rea wee Seas Tea G 10 Genera occ tae uer A ANN 10 Meni DI CM RTT 10 ING O IM EM Ei PM A A SA 11 A OA 13 SIG US ulcer Ac AM a AL A M A ea ONE EE 17 A Ee M AD M MEE pM E m MEM LL ME 19 lo e oe ee ee re em MCE Te Oe em SRE ECE TT Ee CTS ae Se mee ne Oe ee Cre ee se 20 Meni D EO meres reteset x rn ry ea KM 21 A trad ane idrt to LUE EE tbe dL Ie Reeve Ee ee TE EER TT ener E 21 A m M ea une EI E RU 23 Display Of SUDUTIES e ipee tet Popolo atadas 23 EXHUSUDEIIOS are ese pert a cello erecta 24 REIMNGY CSUDLIEICS dias 26 REINO Vera species Uber iia 26 Transfer subtitles to students ccccccececcececcececcececeecsceccececcecaccececsecncescecencececsececscs 26
3. ELAPSED nn nn leraar wav Teacher DG Student bookmark bookmark lt j 2 3 4 sie 171717 STUDENT m P a PROGRAM NEL A bookmark name can be visualized by moving the mouse pointer on top of the bookmark A tooltip containing the name of the bookmark will be opened automatically User manual The menus e 27 VACS Teacher l E Video Capture Help 26 File Edt Options ie rct eer aas Dae LE a A Lr E ELAPSED amp TOTAL x t ind LY Bookmark name af HAASE STUDENT PROGRAM Add bookmarks To add bookmarks use the bookmark control bar See also later in this manual Add bookmark To name the bookmarks click on Edit Bookmarks Name bookmarks User manual The menus e 28 VACS Teacher Bl xi File Edit Options Wideo Capture Help Insert Blank rc Subtitles Student Subtitles BookMarks TeacherBookmark 1 TeacherBookmark 2 TeacherBookmark 5 TeacherBookmark 3 TeacherBookmark 4 ie 0 00 07 leraarh ARA Inf af sel jj iio STUDENT m a PROGRAM SECO All bookmarks are shown in the order they appear in the audio or video file not the order in which they have been entered This is the reason why Bookmark 5 may appear before Bookmark 3 Select the bookmark you want to name A dialog window allowing you to enter the new n
4. Upon clicking the record button the recording will start till the user presses the stop button During the recording both the elapsed and total time indications will progress The recording will be made to the student track only in the case of a student VACS The program track will be muted In case of a teacher VACS the recording will be made on both the teacher and student track VACS Student um xi File Edt Options Wideo Capture Help mud i S 00 00 neWvacs Way A TM N OR EM EM MN gt STUDEHT A m a PROGRAM RECORD User manual The menus e 11 The screenshot below shows a running recording No sentence indication will be available yet VACS Student File Edit Options Wideo Capture Help meg ELAPSEU ee TT A A A A A A A STUDENT d PROGRAM STOP The new file can now be saved under a different name by selecting Save as See also below Before opening a new file the VACS program will prompt the user to save a previously recorded file User manual The menus e 12 Open Opens a windows browser menu to open an existing sound or video file VAC Open 5 TOTAL E eS E E A nd und md nd ER ER ERE STUDENT c 4 By default the extension selected will be WAV MP3 or Ogg to open sound files in wave MP3 or Ogg format To open a file of a different format open the of Files of
5. given for approx 1 second when the mouse is positioned on it B By E Create new file Creates a new sound file By default the new sound file will be named newvacs wav The recording will not start immediately The user still needs to click the record button which will now be activated marked in red The recording will be made to the student track only The program track will be muted Before opening a new file the VACS program will prompt the user to save a previously recorded file see also the New section in the file menu in the The menus paragraph above Create new video file Creates a new video file By default the new video file will be named newvacs avi The recording is not started immediately A preview screen is showed and the user can adjust various settings in the Video Capture menu eg TV Channel brightness level Once the user has put the appropriate options pressing the record button can start the actual recording Open file Opens a windows browser menu to select a file The toolbar 43 By default the extension selected will be WAV to open sound files in wave format To open a file of a different format open the of Files of type drop down list Before opening a file the VACS program will prompt the user to save a previously recorded file See also the Open section in the file menu in the The menus paragraph above d LJ S
6. recorder developed to fulfill all the different tasks of a standard language laboratory recorder It simultaneously records two tracks being the program track Sound sent by the teacher and the student track Sound from the students microphone System requirements The software has to be installed on a PC with the following minimum standards e Processor Pentium lll or better e 256MB RAM memory e 1 GB hard disk for the audio files e Sound Blaster compatible sound card full duplex required e Win2000 Win XP operating system e Video capture card Hauppauge WinTV Go or similar if video capture is required User manual General VACS e 7 The software Installation of the software The software is distributed as a Microsoft Installer Package vacs_setup msi e Right click on the vacs_setup msi file and select Install Following components will automatically be installed o DirectX 9 0 o Microsoft NET framework o Ogg Vorbis DirectShow compression filter Please refer to the VACS Quick Installation Guide for more details Installation of the hardware protection key The hardware protection key software includes a setup program Double click on the file setup exe to launch the installer It will install the driver for the hardware dongle and the service to handle the requests from the VACS programs running on different computers Please refer to the VACS Quick Installation Guide for more details Installation of
7. type drop down list see also screenshot below User manual The menus e 13 J english way a ey uoa Es Horrible traffic mp3 sss av My Recent E Horrible traffic way El SubSzinnen Wey os e hate my job way teachercount wav E Intro IM a Es TestSzinnen way Jleraar5 mp3 Tool Fouorth Eve mp3 amp amp lleraar5 av El Tool Fouorth Eve wav El Look who s running mpa E Tool Third Eve mp Look who s running wav Es Tool Third Eve way 1 MijnSzinnen Wa exit Wa El MyStar IA a Es tuureluut Wav El Ssentences war Joh Lords wav 5 zinnetjes May Szinnen wav Part av Etl audioslecht wav Els WAY biy Computer a Tul copy of MyStar aw El sentences WAY indt Mu Network File name Places Sots j uum Files of type Audio Files Cancel Audio Files si Video Files aviz mpa mpeg If a compressed file is opened the VACS will prompt you whether you want to be able to record in this file or not If Yes is clicked a conversion to WAV format will be performed Comparative recording is not possible directly into a compressed audio file After the recording a user can select to save the recorded file in the compressed MP3 or Ogg format Da vou want to be able to record in this File During the decompress step a progress indicator will be displayed While opening a temporary file will be created A dialog window will prompt you to wait until this has been completed
8. 20 000 Frame Interval fal E Ee F Frame Interval z Color Space Compression lye Output Size Quality 352 288 Cancel User manual The menus e 40 Frame Rate The frame rate used indicates how many frames per second will be digitized The higher this number the more fluent the video sequence will be at playback but the larger the generated video file will be Values between 20 and 25 are commonly used Color Space Compression If the MPEG 4 compression is used the color space should be set to YV12 or 1420 Output Size The output size will determine the size of the captured video image It is expressed in number of horizontal pixels vs number of vertical pixels The recommended image size is either 352 x 288 or 384 x 288 User manual The menus 41 Menu Help About Displays the following About box artec member of C televic Fe AVIDAnet AVID Anere Wars Version 3 0 15 0 Copyright 2005 T elevic MV WWW arec electroanics cam User manual The menus e 42 The toolbar The tool bar User manual The tool bar consists of an amount of tool buttons used as shortcuts to activate certain functionalities Their function is equal to the ones on the menus During some functions of the VACS some of the tool buttons will be grayed which means that they are deactivated Only the colored buttons are active A short explanation about the selected button is
9. INDEO codec On Windows XP systems you will need to install the Indeo video codec in order to be able to view all movie samples included in the VacsCatalogue directory in the VACS3 release The video codec is available on the VACS CD ROM in the directory codecs Double click on the executable ivbsetup exe to install Start up of the software The VACS Virtual Recorder is started e byadouble click on the VACS icon or e by selecting gt Start gt Programs gt Artec gt Vacs User manual General VACS 8 ls Accessories Programs Documents Settings Search Help Run uero g Shut Down User manual General VACS 9 The menus General A set of menus is visible on the menu bar These menus are used to create new files open files save files change VACS settings etc A few of those menu items have been provided for future functions but are not active yet Menu File VACS Studen Save as Close Exit Ae Sl a rS AS f mide d md md d gt STUDENT 4 PROGRAM FILII User manual The menus e 10 New Creates a new sound file or video file if a hardware capture device is installed By default the new sound file will be named newvacs wav the new video file will be named newvacs avi Recording will not start immediately The user still needs to click the record button which will now be activated marked in red
10. O A AT 27 AO DORM AS e dea eto dedo letalidad lts 28 NAME DOOKMAIKS e N 28 Transfer teacher bookmarks to Students cc ccceccececcececcececccceccececescecescscucescecescecesesceses 29 User manual Introduction e 2 Memi OC CIO INS ii a ia 30 COMUIMUOUS CEP CAE ai A A oda ci ass aS 30 TY S ODDO OSEA 30 SHOW Teacher SUD sis 30 Show Student SUDUITICS iia 31 PA A IN 31 JAUCIO OO 31 AAA aus a 31 Ea BUS STO DL e ouo taba du pad nua acd UM uie toad iaa M Nia adios 32 Mixer DVC T icnia 32 IMI KELL IO uto te e Piso SHE IDEs atom etes QUA M eti MM EO dis 32 SIMPE RIE uses a 52 loy iler 32 Sentence Detecta dad dada 32 NI O E A LT LU LT A 33 Frames PEF Second a ae 33 Video Recordin as eodd S 33 Miscellaneous aida 34 Teacher Calls lolita 34 MA A A 34 IVIHx RC BODpe I ode eeateneqe E elu Md E aotdieis sed er o ud 34 PUM OW USC PECL CSIC Ad 34 Sato sertim Amd 34 Working DW sten ro qox S etitm uda dM ct ar arte Sone nen AILES C eer LLLI ae 34 SAODUTHE O cable uidit obo A uocant cm tans 35 Waster VON o na 35 Prosram VoU ener a a E A a teeta 25 Stude HEY O ca at a ea 35 Record Joop back yola iia 35 Record VOM a as 36 SA PRR A et one Te eco ee Na on eee a 36 habe ENNIO NEUE NER 36 COR IBI OU STO DO urna llar 36 ZA dU ON OD PEREA Om maet eb ecu enda ipu tics a ge 36 SHOW Teacher AAA a e RO A ssa tate te dina ts 36 SHOW Iden SUD esa 37 PPS 10 6 0 OPE COPE E debi esie tu idum ed vd de nee cubo igh canes dade se ge
11. STOR On Se Mle EO a E E E E E TO O 50 User manual Introduction e 4 Introduction Purpose and scope This manual describes the use of the virtual player recorder VACS starting from version 3 01 on Chapter organization The chapters are organized into the following sections section 1 INTRODUCTION details the installation procedure Section 2 GENERAL VACS gives a general view on the VACS software Section 3 THE MENU S details all menu s relevant to the use of the software section 4 THE TOOLBAR details all icons on the toolbar Section 5 CONTROL OF THE VACS VIRTUAL RECORDER describes the student use of the recorder Customer support In this manual the efforts were made to provide accurate and detailed information to ensure correct use of the VACS If however by practical experience additions were noticed as advisable the company would welcome these suggestions The company has a Customer Support department dedicated to solving the day to day problems that may be experienced in the field For personal service contact the company Correspondence and equipment to be returned for repair should be addressed to Artec Electronics NV Leo Bekaert laan 1 B8870 Izegem Belgium Telephone 32 0 51 33 60 99 Fax 32 0 51 33 60 98 Customers from outside Belgium should address to the local distributor of their VACS system User manual Introduction e 5 General VACS General The VACS is a virtual
12. User manual The menus e 14 VACS Student File Edt Options VideoCapture Help CLLLLLLLLLLI m icm f If a Media file video movie is opened the video window will automatically open as can be seen in the screenshot below The video window and the main VACS window are 2 separate windows that can be positioned on the screen independently If the video window is moved close enough to the VACS main window it will automatically snap to the VACS window VACS Student M xi File Edit Options Video Capture Help 2 5 eros fo A B BLSI e me a gt a User manual The menus e 15 If an audio file is opened the sentence detection will start as a background process The file can already be played back during the sentence detection If the file is a lengthy sound file the sentence detection may take a while to complete Remark that sentence detection is only performed on stereo files As a consequence sentence detection will not be performed on student recordings Before opening a file the VACS program will prompt the user to save a previously recorded file that has not been saved yet Do vou want to save your recording User manual The menus 16 Save as Opens a windows browser menu to save the current work file Help emi e ron og i Lu aie TOTAL A A A A A amp STUDENT qq rm 4 PROGRAM J m S Sound files can be saved as Windows WAV files MP3 or Og
13. User manual The menus e 24 A new dialog window will open This is the dialog window where subtitles can be entered Teacher Subtitles Start Time EndTime gt Subtitle 00 00 00 499 1000001348 EEN 00 00 01 949 00 00 03 898 00 00 03 698 00 00 05 697 gt User manual To insert a subtitle in a recording position the VACS at the position where you want to insert the subtitle This can be done either by clicking the PAUSE button during playback or by sliding the slider to the desired position in the file By experience we have noted that using PAUSE during playback is the most convenient way of working When correctly positioned position the mouse on the Start Time field in the subtitle dialog window and double click on the left mouse button This action will copy the current position in the audio or video fragment into the Start Time field This time will be used to start displaying the subtitle during playback Now go to the Subtitle field and type the subtitle you want to display Resume playback and pause the playback at the point where you want to remove the subtitle from the screen When correctly positioned position the mouse on the End Time field in the subtitle dialog window and double click on the left mouse button This action will copy the current position in the audio or video fragment into the End Time field This time will be used to stop displaying the subtitle during playback If you want the nex
14. ame will be opened Enter the new name and click OK to save or Cancel to quit without saving the name Enter a new name tor TeacherBaakmark 1 Repeat these steps for each bookmark you want to name Transfer teacher bookmarks to students All teacher bookmarks are stored in a file with name identical to the audio or video filename but with the extension XML In order for the students to be able to see the teacher bookmarks that have been added the audio or video file and the corresponding XML file should be transferred to the student s computer When opening a media file with the VACS the VACS will check if there is an XML file with corresponding name in the same directory If it is the case the XML file containing subtitles and bookmarks will be parsed and shown on screen User manual The menus e 29 Menu Options Options Wideo Capture Continuous repeat Always on top Show Teacher SubTitles Show Student Subtitles gt Default settings y TOTAL Preferences 10 00 14 e pee T aaaf cnp stet 147 STUDENT IE m PROGRAM Continuous repeat If this option is set the currently opened file will continuously be played back until the user clicks the stop button Remark that the repetition is at file level and not at sentence level Always on top If set the VACS window will always be on top of any other opened windows It will not be possible to hide the VACS w
15. audio or video file remember to check the state of this option This is the default setting when the VACS is opened The user can also modify this setting when working with the VACS in the menu Options Show Student Subtitles If unchecked the student subtitle window will not be visible In the User Settings screenshot the Show Student Subtitles option is unchecked The student subtitle window is not opened When student subtitles are not shown during playback of the audio or video file remember to check the state of this option This is the default setting when the VACS is opened The user can also modify this setting when working with the VACS in the menu Options Position This setting will determine in which position of the screen the VACS will be opened Following positions are possible e UPPERLEFT e UPPERMID e UPPERRIGHT e MIDLEFT e MIDMID e MIDRIGHT e BOTTOMLEFT e BOTTOMMID e BOTTOMRIGHT By default the VACS program will start up in the center of the screen MIDMID position Language This control gives you the possibility to switch the interface to one of the supported languages Initial Directory The initial directory contains the path where the user wants to start browsing for his exercises The standard value is the users MyDocuments directory artec student Remark The modifications made in the Default settings dialog box Preferences will only be effective at the next start up of the VACS p
16. aveas Opens a windows browser menu to save the current work file sound files will by default be saved as Windows WAV files See also the Save as section in the file menu in the The menus paragraph above User manual The toolbar 44 The control of the VACS Virtual Recorder Student individual use A set of recorder control buttons is used to control the recorder Depending on the selected function some buttons may change This mode allows the student to perform the audio active comparative work Time and File indication 1 3 2 Elapsed time 1 The time indication consists of 2 parts There is an indication of the elapsed time so far in the file Total time 2 Furthermore an indication of the total time of the loaded audio or video file is indicated File name 3 In between the time indication the file name of the currently loaded file in indicated User manual The control of the VACS Virtual Recorder e 45 Volume control a A J ff Program volume 1 Adjustable volume of the sound recorded or transmitted by the teacher One can change the volume by clicking on the slider and dragging the slider to the desired position on the volume bar The slider will color light pink when the mouse is positioned on top of it When clicked the slider will color red The program volume value at startup of the VACS program is determined in the default options See above Student volume 2 Adjustable v
17. g compressed files By default the same name as the original will be used Type in a new name if you want to save under a different name Remove the original file extension if you want to save as a different compression format The correct file type is preserved In other words it is impossible to save audio files as video or vice versa The VACS can not be used to change the compression of a opened video file e g MPEG files can only be saved as MPEG files and not as AVI The Save as menu item is deactivated when no files is currently opened in the VACS User manual The menus e 17 e NU 1 english el iS 2 ipn E Horrible traffic way el Test5zinnen wavy My Recent EI hate my job way E Tool Fourth Eye wav p pum mum Intro wav Es Tool Third Eve way oe det YleraarS way Ett wav Look who s running way E tuureluut wav minszinnen waw E zinnetjes wav I MyStar wav loh Lords wav Part lar E ls wav ue m El Ssentences wav El sentences wav ee me Szinnen wav ss wav Persis iso E audioslecht wav E sss wav ae ee Copy of MyStar way Gx SubSzinnen wav vu ame X Subozinnen wav cmo o T stype Audio Files wav Save as a Audio Files wav MPS Files mp3 A Progress indicator will appear during the save process VACS Student Bl x File Edit Options Video Capture Help ELAPSED ExEEE EE User manual The menus e 18 Close Closes the currently loaded a
18. g in the default settings See also above User manual The menus 35 By default the recording loop back volume is set to 0 This means that the VACS program is not returning the microphone signal into the headset Record volume This volume will affect the recording volume By default the recording volume will be set to 50 If a recording made sounds too silent the value should be increased Preferences This dialog contains all the settings that can be changed on user level User Settings E n Ej Miscellaneous Continuous repeat Always on top z lw Show Student Subtitles MIDMID Initial Directory El OK Cancel Miscellaneous Continuous repeat This setting determines whether the VACS program will be started with continuous repeat enabled For more information on continuous repeat see above By default continuous repeat is disabled Always on top This setting determines whether the VACS window will always be on top of any other open windows For more information on always on top see above By default always on top will be disabled Show Teacher Subtitles This option is available on the teacher VACS only If unchecked the teacher subtitle window will not be visible User manual The menus 36 In the User Settings screenshot the Show Teacher Subtitles option is checked The teacher subtitle window is opened When teacher subtitles are not shown during playback of the
19. indow Show Teacher Subtitles This option is available on the teacher VACS only If unchecked the teacher subtitle window will not be visible In the screenshot above the Show Teacher Subtitles option is checked The teacher subtitle window is opened When teacher subtitles are not shown during playback of the audio or video file remember to check the state of this option User manual The menus e 30 Show Student Subtitles If unchecked the student subtitle window will not be visible In the screenshot above the Show Student Subtitles option is unchecked The student subtitle window is not opened When student subtitles are not shown during playback of the audio or video file remember to check the state of this option Default settings The default settings will affect how the VACS starts up These settings can only be performed by an Administrator These settings cannot be adjusted on the user level A password needs to be entered to access these settings Password p lt A Cancel Audio Default Settings Video Miscellaneous Volumes Audio Recording Amplification MICROPHONE Mixer Device e Mxelie l Samole Hate 22050 Bit Rate 16 Sentence Detection Begin of Speech Threshold 1500 Begin of Speech Duration 0 1 End of Speech Threshold 1500 End of Speech Duration 05 Amplification This value is an amplification factor for the recording device It is a
20. ion in the audio file When the VACS has been paused the pause button changes into the play button 0 Record Will start a recording on the student track only In case a stereo file is loaded the record button will start a playback of the program track and a recording on the student track This is the audio comparative function It will allow a student to repeat what he she hears without overwriting the original recording The original recording will still be available on the program track When the recording has been activated the play button changes into the pause button The record button is deactivated if a mono file is loaded 3 User manual The control of the VACS Virtual Recorder e 47 Bookmarks User manual Tape Index Set Is used for the setting a new bookmark Bookmarks allow the student to move quickly through the audio file The bookmark dl is displayed in the progress bar The track bar represents the total length of the loaded file Tape Index Reset Is used to erase all bookmarks Tape Index go to As soon as a bookmark has been positioned these two buttons become active allowing the student to browse through the audio file des Go to the previous index Ey Go to the next index Position on bookmark A click on a bookmark indication below the progress bar will position the slider on the progress bar at the bookmark position The next playback will start from that new po
21. multiplication factor for the recording volume setting By default the amplification is set to 1 User manual The menus e 31 User manual Input source This option allows a user to select the recording device The recording device depends on the installation If the microphone headset is connected to the microphone input of the computer microphone should be selected If the microphone headset is connected to the line in input of the sound card line in should be selected as input source Remark that a microphone amplifier is required in order to connect the microphone headset to the line in input of the sound card Mixer Device This option allows a user to select the mixer device The mixer device depends on the type of sound card or on board sound used Only certified installers should modify this option MixerLine This option allows a user to select the mixer line The mixer device depends on the type of sound card or on board sound used Only certified installers should modify this option Sample Rate This option allows a user to select the sampling rate for digitizing the analog audio signal The higher the sampling frequency the better the sound quality but the larger the audio files will be Only certified installers should modify this option Bit Rate This option allows a user to select the sample width for digitizing the analog audio signal The higher the sampling frequency the better the sound quality bu
22. olume of the sound recorded by the student One can change the volume by clicking on the slider and dragging the slider to the desired position on the volume bar The slider will color light pink when the mouse is positioned on top of it When clicked the Slider will color red The student volume value at startup of the VACS program is determined in the default options See above Lock volumes 3 If pressed this button will lock the program and student volume This means that changing one of both volumes will change the other accordingly The lock supersedes the set volumes equal button see below This button is a toggle button It can either be in the up position or down position Set volumes equal 4 When pressed the program volume and student volume are set to equal levels In order to avoid ear damage the lowest volume is selected as reference User manual The control of the VACS Virtual Recorder e 46 This button will not affect the volume settings if the volumes are locked Control bar Stop The recorder stops playback or recording and jumps back to the beginning of the file rn Play otarts stereo playback In case a student made an audio comparative recording both the program track as well as the student track will be played back When the playback has been activated the play button changes into the pause button Pause Will pause the playback or recording at the current posit
23. on the screen If moved close to the main VACS window the subtitle window will snap to the main VACS window The choice to display the teacher or student subtitle windows can be made in the Options menu read more in the next section If inserted subtitles do not appear on your screen check the Options menu to see whether the window is active A student cannot deactivate the teacher subtitle window ifa teacher has added subtitles to the audio or video file Teacher subtitles will always be displayed using a red font color student subtitles are displayed using a black font color VACS Teacher l xi Ele RIELE o m eu fa zpspaptspet foo STUDEHT FK a PROGRAM Teacher subtitles Translate Willam s dialogue here Student subtitles The menus 23 Edit subtitles On a teacher VACS e To enter teacher subtitles select Edit Subtitles e To enter student subtitles select Edit Student Subtitles On a student VACS e To enter student subtitles select Edit Subtitles Subtitles Student Subtitles BookMarks s Sphere TOTAL 0 00 02 leraarS way 0 00 14 qe sp aaa dd gt STUDENT 2 PROGRAM VACS Student Bl E File Edit ions Wideo Capture Help Subtitles BookMarks ELAPSED 0 00 00 Mynbzinnen waw MEGA T lt j ABETE EE gt STUDENT rr A PROGRAM
24. ow as needed e Scroll left Click here to scroll to the previous sentence When currently positioned at the beginning of the file the VACS will wrap around to the last sentence Remark that scrolling does not modify the current position in the audio file After 3 seconds the VACS program will reposition the sentence bar itself to the current position in the audio file User manual The control of the VACS Virtual Recorder e 49 e Scroll right Click here to scroll to the next sentence When currently positioned on the end of the file the VACS will wrap around to the first sentence Remark that scrolling does not modify the current position in the audio file After 3 seconds the VACS program will reposition the sentence bar itself to the current position in the audio file 0 1 Position on sentence Click on a sentence to position the audio file on this sentence The next playback or recording will then start at this new position The sentence at which the VACS is currently positioned will be marked by placing the sentence button in the down position and changing the color of the sentence button Remarks e Sentence detection is NOT performed on mono files e he VACS program will automatically align left to the sentence at the current position in the file after 3 seconds unless a sentence button is clicked User manual The control of the VACS Virtual Recorder e 50
25. rogram The Preferences menuitem can be disabled in the Default settings dialog box User manual The menus e 37 Menu Video Capture VACS Student xi File Edt Options Video Capture Help w Hauppauge Vint Capture w SB Live Wave Device SS Audio Capture Filter ELAPSED Video Capture Filter 0 00 00 Video Capture Pin Video Preview Pin Video Crossbar Tv Tuner q video Input Hayy So lm AG PROGRAM Ig Video capture can be used to digitize video material from an analogue medium such as a videocassette Video capture is only possible when a video capture device has been installed in the computer We generally use video acquisition boards from Hauppauge or Pinnacle Video from a USB camera can also be digitized using the VACS program All menus shown here will largely depend on the video capture board driver used A number of parameters can be set for creating a new video file Input signal The input signal to select will depend of your setup In most cases the input to be selected is Video Composite In The location of this setting will depend on the video acquisition board driver installed In the most recent versions it can be found under Video Input The Video Input setting will be copied automatically into the Video Crossbar User manual The menus 38 Video Capture Help w Hauppauge WinTY Capture w SB Livel Wave Device Audio Capture Fil
26. s iba canto quid 37 A aad netata ns 37 Menu Video CAPI Ud enanos 38 Inptib Ste A O taaths 38 O 39 DATOS OU ads od 39 AA o nn II ud id ctc du petu U i ro eade 40 Drac Rate etes Seen a peru es a o dota ft 4 Color Space C OmpDTIeSSIORL suicide abscess qus bane tas mula etes idilio 4 QUOS Ze id iria 4 Menus Heli tees 42 ABDOU a ta 42 JEn AAA As 43 User manual Introduction e 3 The toolbar E 43 CTC AGS ew li caba 43 reate non de Ole s oett s tne ieu iSt Eie EC A b MD citas 43 UII NET eT 43 EENAA eee Cree led c E LL DIM D UEM I LE LE 44 The control of the VACS Virtual Record ef scsi Hii io ici 45 Student individual Ustedes 45 Time Ai TE US VINCI IIS RS T m 45 lapsed tne 1 obaticsn totus it dao lic dd it 45 BOCE NE MEER mt 45 o RU TT m D t 45 NONO 46 OBLEO prada 46 Protan volume NL erm 46 Student VO UME A Rte ae aN a On ne oO UD LU ed ne 46 Loc Eel MS EE 46 oet volumes egual praia 46 COTE ON ET m 47 iii 47 dae c H 47 Fe AUIS cel uu er en M Mt t EEE E 47 RP m cmi 47 DOONaE ES ei cestoacadec EEAO 48 Tapes A herent oe aiquet acad ini Euro ERA Adobe ors RAP Terr 48 Tape Index Res last iio 48 Tape Index OO a 48 POS UO OM DOOEEITIER ita ee D MEC 48 Repeat Det ween ibOOKIMALKS ic 48 NE creda MI E E AATE EA m 49 AP E ET IE AE NE cu A A M Tes cp nS eRe T 49 A E E NM re eT 49 vere ro uir i R E E Ab duane E E aceaannem tapesocaxentes 50 PO
27. sition Clicking on a bookmark is another method of navigating between bookmarks Repeat between bookmarks Repeat the sample between 2 bookmarks The start and end bookmark are the previous and next bookmark of the current position of the slider when pressing this button The control of the VACS Virtual Recorder e 48 Teacher Call By clicking this button the student can notify the teacher that he she needs assistance Only on Plato systems An indication of the student that clicked the teacher call button appears on the teacher s GUI Sentence indication fo ni af a 5 6 z B 9 The VACS program automatically performs sentence detection when a stereo audio file is loaded Upon completion of the sentence detection number will appear on the sentence indication bar All sentences are represented with an equal length This length is not representative for the length of the sentence itself The total length of the sentence bar is also not indicative for the total length of the loaded file A 10 sentence window is always visible Quite often all sentences will not be displayed in one screen and a user will need to scroll to visualize all sentences For this purpose two scroll buttons have been provided for right and left scrolling The sentence bar will always be aligned with the current position in the file During playback or recording the sentences will progress accordingly and scroll in the 10 sentence wind
28. t subtitle to be displayed at the End Time of the previous subtitle double click in the Start Time field of the next subtitle The will cause the subtitles to be displayed consecutively in time without a gap between the subtitles Click Apply to apply the new subtitles but keep the subtitle window open for further editing Click OK to apply the new subtitles and close the subtitle window The menus e 25 Teacher Subtitles Start Time Start Time field Remove subtitles End Time Subtitle Subtitle field Quit without saving changes Clear all Apply new Apply new subtitles subtitles subtitles and close window To remove all subtitles click on the Clear button in the Subtitles dialog window Click Apply to confirm the deletion of all subtitles but keep the subtitle window open for further editing Click OK to confirm the deletion of all subtitles and close the subtitle window Make sure to save your modifications when closing the audio or video file Remove a specific subtitle To remove a specific subtitle make sure the entire line is selected and not just one field Use the Delete key to remove the selected subtitle Click Apply to confirm the deletion of the subtitle but keep the subtitle window open for further editing Click OK to confirm the deletion of the subtitle and close the subtitle window Make sure to save your modifications when closing the a
29. t the larger the audio files will be Only certified installers should modify this option Sentence Detection Variables to fine tune the sentence detection algorithm The menus e 32 Video Default Settings Video Recording Compress Video with IMEC MPEG 4 Frames Per Second 20 Frames Per Second Indicates how many frames per second are captured during video recording Video Recording Compress video with IMEC MPEG 4 encoder User manual The menus e 33 Miscellaneous Default Settings Options Teacher Call Teacher VACS iw Mix Audio Channels Iw Allow user preferences Key Protection Configuration Working Dir ee Teacher Call Check this box for using the VACS with Avidanet Plato systems It enables the teachercall button on the main window Teacher VACS This setting allows to switch between teacher VACS and student VACS Mix Audio Channels This setting will mix the teacher track left channel and the student track right channel during playback If you want to hear the teacher on the left channel only and the student recording on the right channel only uncheck this setting By default the teacher and student track will be mixed on both the left an right channel Allow user preferences If this option is set the preferences menu is enabled The preferences dialog is described in the next section Key Protection Select the protection key used in the laboratory Each protec
30. ter Video Capture Filter Video Capture Fin Video Preview Pin Video Crossbar Tv Tuner Video Input Video Svideo video Tuner Video ALI Video ALI utput d e Video Composite In lo Video Decoder Out Curent Input ideo Composite In Related Fir Related Pir b Audio Line In 1 Audio Decoder Qut Link Related Streams Properties Video Standard The video standard to be used will depend on the country you live in In Europe the most common standard is the PAL B standard with the exception of France where the SECAM standard is also frequently used In Japan and the Unites Stares the NTSC standard is used Select the correct standard in the Video Capture Filter menu User manual The menus e 39 Properties Video Standard FAL B Signal Detected Lines detected 625 VCR ln Stream Format The stream format parameters can be found in the Video Capture Pin and Video Preview pin settings The Video Preview Pin settings are used to preview the video before the capturing A video preview window will be opened as soon as a new video capture is selected even before the record button is pressed The Video Capture Pin settings are used for the image stored in file during the capturing The selected settings will be used during playback of the stored video fragment Properties m Wideo Format i Compression Video Standard PAL B Frame Rate 1
31. tion mechanism corresponds to a specific installation of the VACS When not configured correctly the VACS will not start up anymore after saving the modification Working Dir User manual The menus e 34 This option allows a user to select a temporary directory to be used by the VACS Use this setting in case your originals course material are stored on a server This will avoid creating temporary files on the server thus causing unnecessary network traffic It will also avoid having to set write access rights for the VACS users on the server directory Volumes Default Settings PI Ed Initial Volumes Master volume Program volume Student volume Record loopback volume Record volume Master volume This volume setting is a global setting It will affect both the program and student volume By default the master volume is set to 100 Program volume This setting will affect the program volume setting of the VACS at startup By default the program volume is set to 5 Student volume This setting will affect the student volume setting of the VACS at startup By default the student volume is set to 5 Record loop back volume This setting will affect the feedback of the recording device into the headset thus allowing a user of the VACS program to hear his her own voice when talking in the headset microphone The recording device can either be the microphone input or the Line In input depending on the settin
32. udio or video VACS Student File Edt Options Save as O TTTTITTTTTA STUDENT EN LI PROGRAM If modifications have been made that have not been saved yet the following pop up will appear It is then up to the user to decide whether he she wants to save the recording The Close menu item is deactivated when no files is currently opened in the VACS User manual The menus e 19 Exit User manual This will close the VACS program VACS Student Bl E File Edt a Video Capture Help Open Save as Me SS er E aT red AI ee ee ee fe ee 1 T STUDENT lt PROGRAM If modifications have been made that have not been saved yet the following pop up will appear The menus e 20 Menu Edit This menu will allow a user to perform some basic editing on audio or video files Although the VACS should not be considered an audio or video editing utility the most common editing functions used in language teaching have been provided Different possibilities will be offered to the user in a teacher VACS or student VACS Insert Blank This function is available on the teacher VACS only Inserting blanks is only possible for audio files VACS Teacher Fie Edt Options video Capture eS Insert Blank Subtitles Student Subtitles BookMarks b 0 00 00 leraarb wav ELaub L x 2195181 1711 1 1 STUDEHT dq o 4 PROGRAM
33. udio or video file Transfer subtitles to students User manual All subtitles are stored in a file with name identical to the audio or video filename but with the extension XML In order for the students to be able to see the subtitles that have been added the audio or video file and the corresponding XML file should be transferred to the student s computer The menus e 26 When opening a media file with the VACS the VACS will check if there is an XML file with corresponding name in the same directory If it is the case the XML file containing subtitles and bookmarks will be parsed and shown on screen Bookmarks The possibility exists to place bookmarks name the bookmarks and save them for later usage Bookmarks are available for both teacher and students Teacher bookmarks will always be colored in red student bookmarks are colored in black When the teacher VACS is used only teacher bookmarks can be added The teacher bookmarks can be saved and transferred for the students to be able to view them If student bookmarks are present in the file e g in a collected student file the teacher can view rename and remove the student bookmarks Make sure to remove the student bookmarks individually Remove all bookmarks will remove both student AND teacher bookmarks When the student VACS is used only student bookmarks can be added and named VACS Teacher 2 E File Edit Options Video Capture Help
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