Podcast Creation Guide - McAllen Independent School District
Contents
1. EEEN C ep dioniinte 1 Poetry Corner pre etn 70s Ballad Piano 01 70s Ballad Piano 02 70s Ballad Piano 03 70s Ballad Piano 04 70s Ballad Piano 05 Blue Jazz Piano 01 Blue Jazz Piano 02 6 Export your file to iTunes and then convert it to AAC as described in Compressing Audio with iTunes later in this document Podcast Creation Guide 19 Fall 2005 Recording Audio for Your Podcast with Soundtrack Pro Description Use Soundtrack Pro to capture audio sequence audio clips and edit audio podcasts Soundtrack Pro is a professional multitrack sound recording and editing application that has powerful tools for improving the quality of your production Built in effects and filters such as audio cross dissolve normalization of audio level and equalization are available You can use noise analysis tools to automate the removal of pop clicks and even ambient noise Soundtrack Pro provides more than 1000 sound effect Apple Loops ranging from earthshaking explosions and whooshes to subtle ambience and foley effects all selected from professionally produced sound effects libraries Soundtrack Pro also includes thousands of music Apple Loops and supports Jam Pack Apple Loops as well as third party sound effect and music libraries including Acid AIFF WAV and MP3 libraries You will be able to use the multitrack editing environment to combine recorded audio with music introductions and transitions for a creati2. Podcast Creation Guide Fall 2005 Soundtrack Pro Contents Introduction 3 Steps Involved in Creating a Podcast 3 Podcasting Overview 5 Description 5 Tools 5 What Is Podcasting 5 Types of Media Included in Podcasts 5 Podcasting in Schools 6 Exploring the iTunes Podcast Environment 7 Description 7 Tools 7 Directions 7 Setting Up for Audio Capture 11 Description 9 Tools 11 Overview 11 Examples of Hardware for Input 12 Designating an Audio Source 12 Your Recording Location 13 Recording Audio for Your Podcast with QuickTime Pro 14 Description 14 Tools 14 Preparation 14 Directions 14 Podcast Creation Guide Fall 2005 Recording Audio for Your Podcast with GarageBand 16 Description 16 Tools 16 Preparation 16 Directions 17 Recording Audio for Your Podcast with Soundtrack Pro 19 Description 19 Tools 19 Preparation 19 Directions 20 Compressing Audio with iTunes 21 Description 21 Tools 21 Preparation 21 Directions 21 Adding Metadata and Artwork in iTunes 23 Description 23 Tools 23 Directions 23 Posting Podcasts to Weblog Server 25 Description 25 Tools 25 Posting a Podcast 25 Accessing the Weblog Post with a Web Browser 27 Subscribing to the Weblog with iTunes 28 Creating iTunes links to Weblog Podcasts 28 Glossary 29 Resources 30 2005 Apple Computer Inc All rights reserved Apple the Apple logo FireWire iLife iPod iTunes Mac Macintosh M
3. As a result media delivered on the Internet is compressed When a client plays the media it is decompressed Enhanced podcast In addition to audio only podcasts Apple has created a specification for enhancing audio podcasts An enhanced podcast can be divided into chapters allowing clients to quickly navigate to specific parts of the podcast Each chapter can have an associated piece of artwork Chapters can also have a URL that links to a website Metadata Information about information is called metadata For example an audio file contains audio information The name of the person that created the file length of the file title of the file description and so on are metadata MP3 A compressed audio file format that can be used with podcasting This audio format was originally created as the audio portion of an MPEG 1 file It is an older codec quality at any given bit rate will be lower than media compressed with newer codecs MPEG 4 The Moving Picture Experts Group defines and licenses specifications for digital media For example DVD video uses the MPEG 2 specification The MPEG 4 specification defines a file format and set of codecs for Internet delivery of digital media RSS Really Simple Syndication or Rich Site Summary is an Internet technology that provides a method for Internet clients to subscribe to content delivered by web servers RSS version 2 added the ability for multimedia enclosures and is the basis for po
4. Fall 2005 Directions Attach your preferred audio interface and a microphone to your Mac or use your computer s built in microphone Note The iSight camera is not supported as a microphone input in GarageBand Create a Real Instrument track in GarageBand with your favorite preset vocal setting or build your own Tip Using the Gate helps to eliminate unwanted noise when you aren t speaking and using Compression smoothes out the overall sound of your voice Be sure to try the vocal transformer for some really fun effects New Track Real instrument Software Instrument Show All KA No Effects Band Instruments Basic Track Ambient Vocals Bass a Deeper Vocals Drums P Epic Diva Effects l Female Basic Guitars Female Rock Vocals Vocals te Helium Breath Live Performance Male Basic Male Rack Vocals T A Input Channel 1 amp 2 Stereo H u Volume i _ _ _ F4 bi gt Details Cancel Create nl es Adjust the Gain control on your audio interface and within GarageBand to set the recording level of your voice It s good practice to test your distance from the microphone to determine where you sound the clearest Attach headphones directly to your Mac or audio interface for the best quality recording sound from speakers will be picked up in your recording Optionally add an AIFF MP3 or AAC file except protected AAC files or a selection of GarageBand Apple Loops to serve
5. and Soundtrack Pro USB or FireWire digital converter l A full featured USB or FireWire audio to digital converter provides more flexibility R we and higher quality sound These devices also work with higher quality XLR dD microphones Examples are the M Audio Mobilepre USB Recording Interface and the M Audio FireWire 410 Audio MIDI Interface Both of these interfaces support up to two simultaneous microphones making it easy to record a two person interview OE H E 5e Both also make it possible to monitor the recording using earphones Monitoring i ped D3 0 95 5_ while recording is a good practice and will let you discover sound quality problems early Designating an Audio Source Many Macintosh computers have a built in microphone and this input is often the default It would be hard to get the quality required for a podcast with this microphone so you will probably be using one of the input sources described earlier Core Audio which is a part of the Macintosh operating system supports the communication between external audio hardware and Macintosh applications When both the hardware and application involved are compliant with Mac OS X Core Audio setup will be painless The computer will recognize any new input devices connected without the need for drivers For more information go to http www apple com macosx features coreaudio Podcast Creation Guide 13 Fall 2005 If you have multiple input devices or if the ap
6. GarageBand or Soundtrack Pro to record and edit podcast audio Podcast Creation Guide 4 Fall 2005 Step 2 Compress the audio files for delivery over the Internet There are different ways to compress and decompress audio and video content called codecs Most podcasts are compressed using the older MP3 codec or the newer more efficient MPEG 4 AAC codec Audio files that will be accessed with the iTunes application can optionally be enhanced with synchronized images chapter markers and web links Step 3 Add embedded metadata for the audio file using iTunes Metadata is descriptive information about the content It is sometimes referred to as a tag when information is embedded with the content This might include an image a descriptive name a more detailed description the author of the podcast and copyright information Step 4 Publish the audio as described in Posting Podcasts to Weblog Server later in this document A weblog supports the posting of a timestamped journal Content is posted and accessed chronologically Each post can optionally contain attachments including podcast audio Step 5 Users on the Internet can access the content via the associated blog or by subscribing to the content with iTunes Podcast Creation Guide 5 Fall 2005 Podcasting Overview Description Learn what podcasting is and explore its educational uses Tools iTunes 4 9 or later Internet access What Is Podcasting Podcasts are the
7. blog s settings 3 To create a podcast entry click the New Entry button New Category New Entry Settings Logout A dialog appears in which you can create the title and description for your entry The title will appear as the Podcast column in iTunes The description will appear in the Description column in iTunes New Entry Category HH Title Opening Lecture The opening lecture for C5101 P mo 1 ae Th Pa Th i Advanced Cancel Save Podcast Creation Guide Fall 2005 27 4 Click the Advanced button to upload your podcast audio file with the post Click the Choose File button to upload a podcast compatible audio file New Entry Category HA Title Opening Lecture Podcast Choose File amp lecture m4a Trackback URL To also use this entry as a trackback for another entry paste that entry s trackback URL here The opening lecture for C5101 Simple Note Trackback URLs provide a mechanism for linking blogs and aggregating Cancel Save individual blogs in a central location More information is available here http www movabletype org trackback beginners 5 Click the Save button when you are finished Accessing the Weblog Post with a Web Browser Once your podcast entry is posted it can be accessed via a web browser Others can get to a specific blog using the URL http lt server address gt weblog lt shortname gt Podcasts appear as individ
8. by using the iTunes parental control preferences Exploring Access to Podcast Content in iTunes A solid understanding of iTunes and how it provides access to podcast content is important before you begin to publish content By exploring the iTunes podcast genre page search tools and your personal library of podcast subscriptions you can identify the elements that you will have to collect for your podcast series and for each episode Follow these steps to learn more about the podcast content available from the iTunes Music Store Return to the main page of the iTunes Music Store In the column at the left choose Podcasts from the Choose Genre pop up menu The genre page for podcasts appears from which you can locate a podcast in a number of ways assuming the author has submitted his or her content to the iTunes Music Store Note that some podcasts are selected to be featured with graphics on the podcast genre page If your podcast is chosen for the page your cover art should look impressive when displayed in a small size Clicking the Publish a Podcast image links you to a submission page where you can optionally enter the URL of your podcast This adds a podcast to the iTunes searchable index The iTunes Music Store does not host the content it remains on the author s server Publish a Podcast Podcasts link Podcast Creation Guide Fall 2005 Click the graphic for a featured podcast to find out more about a po
9. link overlapping any of the displayed images in the album art window This makes it possible for the podcast listener to access related web content in their default browser when listening in iTunes Podcasting can also be used to distribute PDFs graphics and digital video This provides a convenient subscription based model for distributing educational materials Podcast Creation Guide 6 Fall 2005 Podcasting in Schools iPod is a natural for today s learning environment It s easy to use mobile and supports anywhere anytime learning Mastering the process of podcasting will make it possible for you to make the most of this new distribution medium With more and more educational content being developed for and delivered through podcasting educators and students have on the go access to audio that ranges from curriculum related content to professional development programming Podcasting is also a way for teachers and students to publish and distribute content Imagine a science instructor posting daily assignments and recorded lectures from class to a website that provides an RSS feed Students can subscribe to the feed from home and then sync the assignments and content with the iPod taking it wherever they go There are many possibilities For example these types of communication needs can be met by distributing audio to a mobile educator or learner District updates or announcements for parents and community Recorded class
10. with iTunes v5 0 QuickTime 7 0 2 Sample Rate 44 100 kHz Date Modified 9 22 05 3 37 PM Play Count 0 Last Played Not available 6 You may want to delete the original uncompressed AIFF files from the iTunes Library The uncompressed files can consume quite a bit of disk space To delete files select them in the iTunes Library then choose Edit gt Clear To free up disk space click Move to Trash in the dialog Do you want to move the selected items to the Trash or keep them in the iTunes Music folder Only files in the Tunes Music folder will be moved to the Trash N WW A O wu Podcast Creation Guide 23 Fall 2005 Adding Metadata and Artwork in iTunes Description Use iTunes to add metadata about your podcast and artwork While some metadata is entered when you publish your audio file to the server it is also important to include some embedded metadata in the audio file itself iTunes and many other applications can display and use this metadata for cataloging as well as search and retrieval functions If you add metadata in iTunes the metadata stays with the content even if it is separated from an associated webpage or XML file Tools iTunes 4 9 or later Directions Begin by exploring the metadata in published iTunes podcasts Return to the podcast genre feature page and enter CNN in the podcast search field Subscribe to the CNN News Update podcast The most recent episode is downl
11. ac OS QuickTime and Soundtrack are registered trademarks of Apple Computer Inc registered in the U S and other countries GarageBand and iSight are trademarks of Apple Computer Inc iTunes Music Store is a service mark of Apple Computer Inc registered in the U S and other countries Podcast Creation Guide 3 Fall 2005 Introduction This guide will assist you in learning to create and distribute an audio podcast accessed with the iTunes application The guide assumes that you have the following Access to Mac OS X Server version 10 4 3 or later which incorporates the latest version of blojsom an open source blog engine A Macintosh computer with the latest version of Mac OS X and iTunes installed Recording equipment as described in Setting Up for Audio Capture later in this document For audio production access to and at least beginning skills with QuickTime Pro GarageBand or Soundtrack Pro When creating content for a new distribution medium it is important to understand the available production tools and processes It is equally important to understand the software used to access the podcasts and the user experience The Podcast Creation Guide will provide an exploration of both Steps Involved in Creating a Podcast Like web publishing podcasting requires several main steps Workflow Optional Step 1 Record and edit audio for your podcast This document provides information about using QuickTime Pro
12. as your introductory transition or background music Podcast Creation Guide Fall 2005 18 GarageBand Apple Loops allow for the most flexibility because you can easily vary their length GarageBand Jam Packs are also a great way to add thousands more professional loops that will add punch and polish to your podcast Many professional broadcasts use music introductions known as jingles to signify the beginning or end of a show In podcasts these are sometimes called bumpers Apple Loops offer you the ability to create your own unique copyright free jingles for use in your podcast To split a vocal segment select the content and press Command T Drag music loops from the Loop Browser to the timeline for intros and transitions Use track volume curves to fade music in or out Select content and use Command T to split vocal segments as required GarageBand Willowcast02 racK x een ee Vocal Track hh 19 Ny 1 Poetry Corner my Transition Music S r Reset All Drums Piano Rock Blues Single Favorites Kits Elec Piano Urban Clean Bass Beats Organ World Acoustic Guitars Percussion Synths Electronic Relaxed Strings Shaker Brass Country Cheerful Ensemble Distorted Electric Intense Dark O mA Scale Any is Q 64 items t d Drag music loops from library to use for intros and transitions 5 Record edit and mix your final recording Dreamy Guitar Pattern 02 1
13. dcast channel At the top of the page the graphic provided by the author is displayed A channel title source description and a link to a website are shown The window also lists all of the items for the selected channel For each item note that when you create the podcast you will need to supply a name duration publication date and a one line description Select an item from the list of episodes and click the Play button at the top left of the window to hear 30 seconds of the content Since iTunes users may make a decision to subscribe based on this preview you will want to be sure you leave a good first impression in the first 30 seconds when you create your podcast Return to the podcast genre page by clicking the Podcasts link at the top of the page Podcasts NPR Story of the Day Another way users can find podcasts is by clicking one of the selections in the Top 100 Podcasts list on the right of the page You can also browse podcasts by category In the Category list on the left side of the page click Education then click the K 12 or Higher Education subcategory In the list that is displayed when you browse by category you can preview audio from the latest episode or click the disclosure triangle in the Album column to see more information about the podcast lt gt f gt Browse Kayokyoku Arts amp Entertainment Latin Audio Blogs New Age Business Opera Comedy Podcasts Education Pop Famil
14. dcasting With the release of iTunes 4 9 Apple provided an easy way to find subscribe and listen to podcasts Podcasts are delivered over the Internet as RSS feeds XML This acronym stands for eXtensible Markup Language The syntax of XML is similar to HTML This file format is used to deliver RSS feeds over the Internet The XML file contains metadata about the RSS feed With podcasts enclosure metadata contains the location of the actual audio file on the Internet Podcast Creation Guide 30 Fall 2005 Resources e Podcasting in Education http www apple com education podcasting e About iTunes Podcasts http www apple com itunes podcasts e Submit your Podcasts https phobos apple com WebObjects MZFinance woa wa publishPodcast e Podcasts with QuickTime Pro http www apple com quicktime tutorials podcasting html e Soundtrack Pro Features http www apple com finalcutstudio soundtrackpro e GarageBand Support Recording Your Podcast http www apple com support garageband podcasts e XML Tag Specification for iTunes Podcast Publishing http phobos apple com static iTunesRSS html e Syncing Your iPod http www apple com itunes sync
15. e automatic gain such as most consumer grade camcorders if you are in a room with high ambient noise Automatic gain systems tend to increase gain during pauses in your audio making the ambient noise more objectionable Refer to the manual that came with your recording equipment to determine if automatic gain is used and if it can be turned off If possible create a dedicated recording setup that stays in a ready to use mode You are more likely to have problems if you have to set up from scratch for each recording If you are recording in the field you could use a laptop running your recording software If you are using an analog device such as a tape recorder you can transfer the audio from the earphone or line out jack through a USB or FireWire digital converter such as those referred to earlier Podcast Creation Guide 14 Fall 2005 Recording Audio for Your Podcast with QuickTime Pro Description Use QuickTime Player for capturing podcast audio Tools e QuickTime Pro e Audio source Preparation To record podcast source material with QuickTime Player you must be using a registered version of QuickTime While QuickTime is installed on every Macintosh you must purchase a registration code to enable many of its authoring related capabilities Learn about the many new features that QuickTime Pro can provide and purchase the registration code here http www apple com quicktime pro mac html You will need an audio
16. ed gt Importing Select the AAC audio codec and specify the bit rate that you want to encode Note The iTunes Music Store uses 128 kbps AAC compression This provides great quality at a very reasonable bit rate Advanced ai 6 General iPod Podcasts Playback Sharing Store Advanced Parental General importing Burning On CD Insert Show Songs HH import Using AAC Encoder Setting High Quality 128 kbps Details 64 kbps mono 128 kbps stereo optimized for Velocity Engine Podcast Creation Guide 22 Fall 2005 3 Find and select the audio file to compress in the iTunes Library Note that you can use the Shift key to select files listed together or the Command key to select multiple files individually All selected files are compressed in the next step 4 Choose Advanced gt Convert Selection to AAC Advanced _ Window Help Open Stream WU Subscribe to Podcast Convert Selection to AAC Consolidate Library Get CD Track Names Deauthorize Computer Check for Purchased Music Convert ID3 Tags 5 Compressed songs can be identified by selecting the file in the iTunes Library then choosing File gt Get Info In the Get Info Summary pane compressed files will display the Kind as AAC audio at the bit rate you selected in iTunes preferences Kind AAC audio file Profile Low Complexity Size 4 4 MB Channels Stereo Bit Rate 160 kbps Encoded
17. er 10 4 3 or later with Weblog Server configured Posting Podcasts to a Weblog Server By default any user or group set up on the server has a weblog To access the weblog for a particular user or group enter the short name in the weblog window 009 Mac OS X Server amp e Ei hup www demo edu weblog 0 A Qy netgear router pas 0 QA Bonjoury Demosyv Supporty SWw Searchy AppleWebwv Apple 1083 News 755 Shopv Mediav Energy x Mac OS X Server Created with Mac OS X Server Faculty Faculty group blog George Cook s Weblog To create your own weblog Thoughts from Mr Cook enter your short user name and press Return Interviews Practice Interview Sessions To create a weblog for a group type the short group Jane Faculty s Weblog name and press Return Biology Lectures and Notes Podcasts Faculty Podcasting Soccer Soccer coaching blog Sue Grad s Weblog A graduate s perspective Enter the user or group short name here Podcast Creation Guide 26 Fall 2005 2 The next page displays the weblog for that user or group Use the Login button to authenticate as the user or a user in the group W All Entries Login Once you have successfully logged in you can create new categories or entries or change blog settings Categories allow you to organize your blog posts Entries are used to create ordinary blog posts and podcasts Note Your blog may look different based on the theme selected in the
18. es for homebound students Faculty lectures Interviews Synchronized slideshows Music education Sharing of instructional methods by master teachers Sharing of other professional development resources Broadcasting student audio plays or other productions Foreign language practice Student poetry projects Sound seeing tours Audiobooks or supplemental textbook materials Podcast Creation Guide 7 Fall 2005 Exploring the iTunes Podcast Environment Description Use the iTunes application as a client for managing podcast content Learning how to author podcasts will be easier if you first explore the application that your listening audience will be using to subscribe In this section you will explore the iTunes application paying special attention to the elements that are required for each podcast Tools The latest version of iTunes Internet connection Directions Exploring the iTunes Music Store Open iTunes and click Music Store in the Source list at the left of the iTunes window Before you visit the iTunes Music Store Podcast Directory it is helpful to understand the role of iTunes in music distribution The iTunes Music Store has over two million songs More than 10 million customers purchase more than 1 8 million songs from the store each day Apple has sold over 600 million songs in total Almost 30 million iPod players provide mobile access to this content Songs are purchased with a single click for 99 cents apiece a
19. f the window 2 Pause and continue recording as needed 3 Add introductory and transitional music on an additional track Click the Search tab in the Media and Effects Manager Use the pop up menu to select music by genre Click a genre button and preview audio samples Drag any file you want to use into an empty Timeline track 4 Use track volume envelopes or the Mixer to control relative track segment or track levels 5 Choose File gt Export Mix to save an AIFF format audio file 6 Import the file into iTunes for further preparation as explained in the next section Compressing Audio with iTunes Podcast Creation Guide 21 Fall 2005 Compressing Audio with iTunes Description Use iTunes to compress audio for podcasting Tools iTunes 4 9 or later Preparation The audio file you want to compress should be in the iTunes Library When you export from GarageBand to iTunes the file is brought in as an uncompressed AIFF format file To deliver the file as a podcast it must be compressed Note If the file is already compressed you should not recompress it that will lower the quality Instead compress an uncompressed original file This procedure will be used primarily with audio exported from GarageBand or another audio editing application that is used to produced a noncompressed AIFF file Directions Open iTunes To set the default compression format that iTunes will use choose iTunes Preferences gt Advanc
20. input source before following the steps below See Setting Up for Audio Capture earlier in this document for more information For instructions about telling the application which input to use see Designating an Audio Source Directions 1 Open QuickTime Player in the Applications folder 2 Choose File gt New Audio Recording QuickTime Player Edit View Window Help New Player a6 N New Movie Recording dN New Audio Recording Open File Open URL Open Image Sequence Open Recent Close Podcast Creation Guide 15 Fall 2005 3 Click the red Record button and begin recording with your audio input device Click the button again when you are done recording 4 Choose File gt Export QuickTime Player Edit View Window Help New Player New Movie Recording New Audio Recording Open File Open URL Open Image Sequence Open Recent Close Save Save As Revert to Saved Share Export Page Setup Print 5 In the dialog that appears choose Movie to MPEG 4 from the Export pop up menu From the Use pop up menu choose Broadband High or you can choose Broadband Medium for smaller file size and lower quality For complete control over compression parameters click the Options button 6 Name your file with the m4a extension for example my_podcast m4a in the export dialog Select the desired location for your new file and click Save You now have a file that is
21. ion that usually supports both the capture and editing Good Better Best Application QuickTime Pro GarageBand Soundtrack Pro Good Better Best Audio Input iSight camera not External condenser 1 8 One or more with GarageBand inch jack microphone with high quality XLR Griffin iMic USB adapter microphones in Microphone directly combination with connected to a USB Plantronics or Logitech a USB or FireWire Macintosh that has a microphone and headset pre amp adapter microphone input jack Podcast Creation Guide 12 Fall 2005 Examples of Hardware for Input s iSight camera a M The iSight camera contains a directional microphone and can deliver an audio signal lt directly to QuickTime Player The instructions for recording audio with QuickTime EE Audio Recordin Player are included in Recording Audio for Your Podcast with QuickTime Pro later oo in the document The Griffin iMic USB Tg 4 The Griffin iMic USB adapter accepts either an external condenser mike or line level r 1 8 inch miniature jack signal converts it to a digital signal and delivers it to your Macintosh You can record with QuickTime Player GarageBand or Soundtrack Pro a You can select from a handheld lapel or wireless microphone Microphone and headset A USB combination microphone and headset will keep the microphone close to your mouth This will eliminate some of the ambient room noise These headsets will work with QuickTime Player GarageBand
22. log site then choose Copy Link from the shortcut menu Note With a two button mouse right click to copy the URL Copy Link Open Image in New Window Open Image in New Tab Save Image to the Desktop Add Image to iPhoto Library Copy Image Address Copy Image The link will be in the following format itpc lt server address gt weblog lt short name gt flavor rss2 This URL can be used in an HREF tag to link to the podcast from any website Podcast Creation Guide 29 Fall 2005 Glossary AAC A modern audio codec that is part of the MPEG 4 specification At any given bit rate AAC delivers higher quality audio than the older MP3 codec Bandwidth In a network connection bandwidth refers to the rate that data can be delivered The maximum bandwidth of an analog modem is 57600 kilobits per second or 56K Broadband connections such as DSL or cable modems have much more bandwidth available typically at least 500 kilobits per second kbits s In a local area network or LAN a slow connection is 10 megabits or 10 000 kbits s Bit rate This is another way to refer to bandwidth It is also used to specify how a media file is compressed For example a media file compressed to be delivered in real time over a 56K modem would need to be compressed at a bit rate of less than 56 kbits s The bit rate is also referred to as data rate Codec An acronym for compressor decompressor Uncompressed audio and video files are very large
23. ncik chases big game i Tony Kahn visits New York City within Return to the podcast genre page and try out the search field in the column at the left You can use the pop up menu to search by author or words in the title Search All Podcasts Podcast Creation Guide 11 Fall 2005 Setting Up for Audio Capture Description Set up your podcast recording system Tools Mac OS X Audio input hardware Overview Capturing audio for your podcast can be accomplished with a variety of setups These configurations vary from those that are low cost and simple to operate to those at a higher cost that provide more flexibility The setup that is right for you will depend on the function of your podcast complexity of the recording task and the audio quality you require If the podcast will be informal announcements by a single speaker you can get by with a very basic setup If however your goal includes an interview with two or more people and you desire a professional radio sounding podcast complete with music and effects your recording setup will need to be more complex Another factor to consider is the potential need for portable recording in the field This section identifies a few combinations in order of increasing flexibility In general your audio setup will consist of some combination of a microphone for capturing analog audio an integrated or separate device for converting the analog signal to digital and an applicat
24. nd can be played from iTunes burned to a CD or transferred to an iPod for listening These numbers are important to a potential podcaster because they illustrate the robustness of the infrastructure and the potential subscriber base for your podcast When these 10 million plus users enter a search term on the iTunes Music Store home page the podcasts are included in the results increasing the potential for world exposure of your podcast content If you choose not to submit your podcast your constituents can still subscribe to your podcast in iTunes Podcast Creation Guide 8 Fall 2005 If you haven t used the iTunes Music Store for downloading music before try the following From the main page of the Music Store click in the search field in the upper right corner of the window and enter Dallas Press Return A list of songs and podcasts that all have Dallas in their title or keywords is displayed in the window Preview 30 seconds of any song or podcast by selecting the title and clicking the Play button in the upper left corner of the iTunes window Note that a subscriber can purchase and download songs by simply clicking the Buy Song icon For podcasts clicking the Subscribe button adds the podcast to the user s subscription list The most recent episode of that podcast is then downloaded each time iTunes is opened A few pieces of content may be marked Explicit You can cause all such content to be unavailable to students
25. new phenomenon of professional and homemade audio broadcasts available on the Internet Unlike traditional radio shows with set schedules podcasts can be listened to at any time in the iTunes application or on an iPod With iTunes 4 9 Apple took podcasting mainstream by building into iTunes everything you need to find subscribe to manage and listen to podcasts You can even publish your podcast to iTunes as long as it s free of copyrighted material and reach a potential audience of millions Types of Media Included in Podcasts In its most popular form podcasting is a way for people to selectively subscribe to audio content over the Internet This audio content can then be automatically downloaded to a computer or mobile device like iPod Think of a podcast as a radio show that you can listen to whenever and wherever you want When listening to podcast audio on iPod with a color display the content may have an associated cover image similar to album art for iTunes music The content may display images synchronized with the audio track Also chapter markers can be embedded that allow listeners to jump to specific sections of the content If you are listening to enhanced audio in iTunes the cover art and synchronized images are displayed in the album art window at the bottom left of the iTunes window Access to chapters is possible from a pop up menu at the top right of the iTunes window The author of the content can also display a web
26. oaded Expand the channel to see a list of the recent episodes click the disclosure triangle By default only the last episode published is automatically downloaded to your library Select the last episode To see the metadata choose File gt Get Info CNN News Update 9 21 2005 9 AM EDT Y CNN News Update 9 21 2005 9 AM EDT 1 58 wy CNN CNN News Update Kind MPEG audio file Format MPEG 1 Layer 3 Size 1 9 MB Channels Mono Bit Rate 128 kbps IDS Tag v2 3 Sample Rate 44 100 kHz Encoded with Unknown Date Modified 9 21 05 8 31 AM Play Count 0 Last Played Not available 10 11 Podcast Creation Guide 24 Fall 2005 The Summary pane includes ID3 tag information as well as other information about the file The remaining panes are where data can be entered or modified Click the Info button and think about appropriate metadata you would include with each episode of your podcast The Name field should have the name of the specific episode you are tagging Including the publishing date along with the name may also make sense for your podcast The Artist field is sometimes the institutional source of a podcast You may want to add the series name in the Album field In the Genre field you may want to add Podcast Some iTunes users who create smart playlists that automate transfer to the iPod use this tag The Lyrics pane is a new type of metadata for iTunes In the case of music files the use is obvious F
27. or podcasts the function is up to you You could include a transcript to support hearing disabled learners a summary a list of support resources or other information Now inspect the Artwork pane You will definitely want to include an image for all your published episodes It can be the same graphic for each published episode or you can use unique graphics for each item published This graphic is the cover art for your content and is displayed in iTunes in the Album art window when the episode is selected For a non enhanced podcast this is the only image displayed for the episode In addition the image is shown on an iPod that can display photos while the audio is being played Create a 300 x 300 JPEG or PNG image in your favorite graphics application Compress the image and use the Add button in the artwork pane to update the metadata with the image When you click OK to close the Get Info window the new metadata is saved as an integral part of the audio file If you want to add synchronized images embed web links or add chapter markers you will use this file with an appropriate enhanced podcast utility Otherwise your podcast is ready to be uploaded to your blog as an attachment upload using an FTP application Podcast Creation Guide 25 Fall 2005 Posting Podcasts to Weblog Server Description Post your completed podcast to Weblog Server part of Mac OS X Server Tools Web browser iTunes 4 9 or later Mac OS X Serv
28. plication involved does not directly support Core Audio plug and play you may need to install drivers or manually select the audio source Begin by installing required drivers as described in the documentation that came with your audio application if necessary Open the Applications folder then open the Utilities folder Within the Utilities folder is the Audio MIDI Setup utility Open the Audio MIDI Setup utility application and click the Audio Devices button Here you can change the Default Input device from Built in Audio to your input device For most devices you will leave the source format at 44100 0 Hz If your device also supports audio output you can make the device the default output in this pane Open your audio application then open the Preferences dialog in the application Confirm that the application is accepting input from your default selection For QuickTime Player preferences you can find the selected input by clicking the Recording button In GarageBand preferences you can make changes to the input in the Audio MIDI pane In Soundtrack Pro make your selection in the Recording pane Your Recording Location Pick a location for recording your audio with very low ambient noise Check for air conditioning or other background noises that will potentially show up on your audio recordings If you can t eliminate ambient noise control the level with noise absorbing curtains rugs and so on Avoid recording methods that us
29. ready to be published Podcast Creation Guide 16 Fall 2005 Recording Audio for Your Podcast with GarageBand Description Use GarageBand to capture audio sequence audio clips and edit audio podcasts GarageBand is a multitrack capture tool and editor for both audio and MIDI sound With GarageBand you can capture audio from input sources and use effects and filters to enhance the audio s quality GarageBand includes libraries of audio and MIDI loops that can be used to add introductory and transitional music to podcast content The editing environment allows you to integrate many separate audio clips into a professional sounding audio file Following are just a few tips and tricks that will help you get the most out of GarageBand to record your podcast GarageBand 2 is a component of the iLife application suite from Apple and may already be installed on your computer Tools GarageBand 2 Audio source Preparation This section assumes basic skills with GarageBand There are basic tutorials in the Mac Learning Center as well as tips and techniques in the Apple GarageBand Support pages http www apple com support garageband You will need an audio input source before following the steps below See Setting Up for Audio Capture earlier in this document for more information For instructions about telling the application which input to use see Designating an Audio Source Create a new track Podcast Creation Guide 17
30. ual entries with a download link for the podcast audio file Lekak George Cook s Weblog ke La e Flhttp www demo edu weblog georgec show_message 24m GSS George Cook s Weblog Thoughts from Mr Cook Opening Lecture The opening lecture for CS101 Posted by George Cook Podcast lecture m4a September 27 2005 4 20 41 PM PDT 0 comments 0 trackbacks September 2005 Sun Mon Tue Wed Thu Fri Sat S 6 7 a2 13 14 19 20 21 ea 27 28 lt Aug Sep 2 3 a 3 20 16 17 22 23 24 29 30 Oct gt Podcast Creation Guide 28 Fall 2005 Subscribing to the Weblog with iTunes To subscribe to the podcast in iTunes simply click the RSS Podcast link 00e George Cook s Weblog ad amp e FI http www demo edu weblog georgec show_message 24m iss Ta Q Eae Bonjoury Demosv Supporty SWv Searchy AppleWebv Apple 1083 News 760 v Shopy Mediav Energyy George Cook s Weblog Thoughts from Mr Cook Opening Lecture The opening lecture for CS101 September 2005 Posted by George Cook Sun Mon Tue Wed Thu Fri Sat Podcast lecture m4a oe 3 September 27 2005 4 20 41 PM PDT 0 comments 0 trackbacks 4 5 6 7 8 9 10 fees 14 15 16 17 a a Ca A 18 19 20 21 22 23 24 25 26 27 28 29 30 lt Aug Sep Oct gt Click the link to subscribe Creating iTunes links to Weblog Podcasts If you need to create an HREF link to a podcast Control click the iTunes RSS Podcast link on the b
31. ve audio product Tools e Soundtrack Pro e Audio source Preparation You will need an audio input source before following the steps below See Designating an Audio Source earlier in this document for more information Getting started with recording audio in Soundtrack Pro is easy The following steps will show you how to record some sample audio This is a very deep and flexible application Be sure to read the user manual which can be found via the Help menu Choose Window gt Recording Set Monitor Device to none unless you are monitoring with earphones this prevents feedback Begin by clicking the track on which you want to record 3 Click the Record Enable button as shown in the illustration on the next page Use the Device pop up menu in the Input area of the Recording tab to choose your audio source Podcast Creation Guide 20 Fall 2005 5 Set the recording level while speaking normally into your microphone and watching the left and right level meters at the left of the Recording tab The indicators should show the audio level close to but not reaching the top Input Set recording Record Enable selection level button Podcast audio Finder File amp dit View Go Window Help me Browse for music or cinematic sound clips here Audio and transitional music Directions 1 To record your primary podcast verbal content click the red Record button in the transport controls at the bottom o
32. y R amp B Soul Food Reggae Health Rock International Soundtrack Movies amp Television Spoken Word Music Vocal News World Politics Public Radio Name Artist Album Genre Broward Schools News 2 Go Joe amp Paul Broward Schools K 12 Building Learning Communities Podcasts November Learning Building Learnin K 12 Buzzwords Buzzwords Buzzwords K 12 Calusa Elementary Calusa Elementary Calusa Elementary K 12 Cameron Park Elementary School CPES Cameron Park K 12 Canadian Education Alliance Podcast Canadian Educatio Canadian Educat K 12 CCHS Earth Science Podcast Ray Pavlik CCHS Earth Scie K 12 CDA Audio Coram Deo Academy CDA Audio K 12 Click for more info Account Subcatec Higher Education K 12 Price Free SUBSCRIBE _ Free SUBSCRIBE Free SUBSCRIBE Free SUBSCRIBE Free SUBSCRIBE _ Free SUBSCRIBE Free SUBSCRIBE Free SUBSCRIBE Podcast Creation Guide Fall 2005 wi Ae WN PF Radio Days WGBH podcast spons Making It Out Alive WGBH podca Dancing With History WGBH pod Maybe Tomorrow WGBH podcast A Visit to the Village of New York Time 12 00 9 59 12 00 8 16 13 00 Artist Anne Bernays Mark Grashow Vyrik Eng Erica Ferencik Tony Kahn Release Date 10 6 05 9 23 05 9 23 05 9 16 05 9 9 05 10 Description Writer Anne Bernays loneliness is a lot Mark Grashow a high school teacher fa Lowell Massachusetts teenager Vyrik E Writer Erica Fere
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