Audio handout


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Audio handout

  1. 1. Te a c h I T. Fordham IT Instructional Technology Academic Computing Faculty Technology Centers FTC Tech Tip Audacity Quick Reference GuideAudacity is a free, cross-platform digital audio editor and recording application.Downloading AudacityChoose the download that works with your operating system: will also need to download a LAME file to be able to export your audio as an .mp3 file: when you save the LAME file, make sure that you make note of where you have downloaded it because you will need toselect the lame.dll file when exporting audio to a .mp3 file for the first timeRecording Directly into Audacity1. Make sure that your microphone has been set up correctly and is the default recording device for your computer2. Click the red “Record” button to start recording and “Pause” when you need to take a break3. Click “File” and then choose “Save Project As”. Most of the commands you’ll be using appear under the Edit menu at the top. These include The Time Shift tool Cut, Copy, Paste, Split, Delete, Join, and Undo. allows you to moveUsing Audacity to Edit Audio the entire waveform The playback controls: back and forward in The Selection tool Play, Record, Pause. time (left and right), The Magnifying Glass tool is used to create Set the playback point by relative to another is used to expand or selections for cropping, clicking with the selection tool. track. reduce the size of the deleting or copying. audio wave form. Click the area you want magnified to get a closer The fuzzy caterpillar is a view. This tool is useful visual representation when trying to crop out a of your sound record- specific portion of audio. ing. The size of the peaks refers roughly to the volume of the audio file. Another way to boost your output sound level is by moving the gain slide bar to the right, which only affects a single track. You can mute, solo (i.e. mute all the other tracks), or adjust the To boost the sound wave (make the fuzzy caterpillar look larger), use the balance of each track Select all > Effect > Amplify command. Positive numbers individually. boost/increase the sound waves, negative numbers reduce them. If you amplify too much—e.g. over 10.0—then the volume of the background noise (the‘hiss’) will also get louder.Exporting Audio as a .MP3 File:The first time you export audio as an MP3 file (File > Export as MP3) you will need to locate the LAME file that youdownloaded. Audacity will prompt you to browse for this file- this will be the only time that you will have to locatethe LAME file. | Rose Hill 718-817-2289 | Lincoln Center 212-636-7788 | Westchester 914-367-3177
  2. 2. Checklist       ☐ Placement   just  outside  of  your  breath  range  below  and  off  to  the  side,  but  pointing  directly  at  your  mouth     ☐ Avoid  plosives   speak  over  the  mic  to  avoid  pushing  air  into  it     ☐ Liquids   Yes:    water,  tea  (room  temp  is  best!)   No:    coffee,  soda,  milk     ☐ Posture   ☐ Breath  deep   ☐ Quiet  place   ☐ Practice  reading     ☐ 30  seconds  of  silence     ☐ "Testing,  Testing,  1,  2,  3"     ☐ Use  headphones  to  test  recording  Notes