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(4) Recording Audio
Randall S. Davis
English Language Institute
University of Utah
1. Avoid Background Noise
- Turn off your room's air conditioner, shut your windows, feed your baby before you start the recording session.
2. Use a High-quality Microphone:
- omni-directional, uni-directional, clip-on mics, built-in mics.
3. Choose Sampling Settings:
- At least 22 kHz, 16 bits, mono (AM radio quality).
4. Adjust Volume Levels to Avoid Clipping and Distortion
5. Record: Here is a screen shot of the popular sounding editing program, CoolEdit, for Windows.

6. Save Raw Sound File
7. Edit as Needed
8. Test your Sound file
- Use good headphones or speakers on different computer platforms.
9. Noise Gate Sound File: Make silent sections in audio really silent.

10. Normalize
- Raises the volume level of file to the maximum before distortion sets in.
11. Save Edited Sound File
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