Lecture Capture with Garageband, a Blue Snowball, and Moodle (LMS)
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Transcript of Lecture Capture with Garageband, a Blue Snowball, and Moodle (LMS)
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Department of Educational TechnologyEngineering 006 • (718) 399 4531 • [email protected]
Lecture Capture with Garageband and a USB Microphone!
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Equipment Se,ngs: Blue Snowball
The Microphone has 3 separate se,ngs based on the recording condi=ons. Use the switch on the back of the microphone to select the op=mal se,ng for your subject(s) and recording environment.
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GarageBand: Project Setup • 1. Open GarageBand from the applica=ons folder on the mac
• 2. On the opening screen, select “Voice” to start a new file that will contain your recorded audio lecture.
• 3. Label your file descrip=vely – with date and relevant course info in the =tle, save it to the User Work folder (if you’re working in the labs)
• 4. Open GarageBand’s preferences dialogue (GarageBand>Preferences) from the header menu op=ons, select the “Midi/Audio” tab and select the “Blue Microphone” op=on under the “Input Devices” tab. Close the dialogue and return to the main screen.
• 5. Check to see the microphone is recording, if it’s ac=ve you’ll see a red LED light up on the front of the mic.
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Garageband: Recording to Track Layers
• 6. In the “Tracks” area on the le_ side of the screen, there are two audio tracks labeled Male and Female. Record to either by clicking on the silhoueaed icon. The ac=ve track will be highlighted in blue.
• 7. At the boaom of the screen, there are track controls, similar to analog recording devices. Use the record buaon to start recording to a track layer.
• 8. The level meter on the track layer should rise and fall as you speak into
the microphone, and the play-‐head, the thin red line and white triangle, will move across the =meline, crea=ng an expanding block of audio as you record your lecture.
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Garageband: Recording to Track Layers
• 9. Click on the note icon in the LED display to change the meter across the top to reflect =me rather than measures. This way you can see the length of your recording across the top of the screen in minutes rather than measures.
• 10. The recording stops and starts at the loca=on of the
play-‐head, so if you need to re-‐record a segment, use the play-‐head to locate your start and stop points as you proceed to record audio.
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GarageBand: Trimming Recorded Audio
• 11. Once your audio segment is recorded, you may need to trim the beginning of the segment so that the file playback begins at the start of your lecture. Move the play-‐head to the start of the recorded audio and press the play buaon to preview the recording.
• 12. When the play-‐head arrives at the point you want the audio file to start, go to the header menu item Edit>Trim. This will split the clip at the play-‐head.
• 13. You can click on the part you want to delete, it will change shade when selected, and use the delete key to remove it. Use Edit>Undo in case of errors.
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Compa=ble Audio Formats for the LMS
• Moodle will accept the following audio file formats. If you want your sound file to play in its own player (embedded) on a page then choose mp3 format. – .mp3 – .aac – .wma (Windows Media Audio) – .ra (Real Media)
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Pu,ng the Audio on the LMS
• In GarageBand, find the “Share” op=on at the top of the screen.
• Select “Export to disk”
• In the dialogue box that appears, check “Compress” and use the AAC encoder at low or medium quality. Click the export buaon to make an audio file that can be uploaded to the LMS.
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Pu,ng the Audio on the LMS
• Open your LMS course page and turn turn edi=ng on.
• Locate the exported GarageBand file you just created, and place it on your course page. If you are using Firefox or Chrome you can drag and drop the file from the desktop right onto your course page. If you’re using Safari or Explorer, you’ll select the “add a resource” op=on to get the file picker to browse, find and add your file manually.
• Test the audio file by turning edi=ng off and clicking on the =tle. It should play back right from the browser.