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Native installation packages for your platform can be downloaded from Audacity - page 5 / 5

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5 / 5

WAV

uncompressed

10 MB

MP3

160 kbps

1.5 MB

MP3

128 kbps

1 MB

MP3

96 kbps

700K

MP3

64 kbps

400K

MP3

32 kbps

250K

The table below can help you estimate the kind of mp3 quality/compression and bit rates to use for your own applications. We also give you approximate file sizes to help you compare. For most in-class audio lectures 32 kbps will work. For supplemental recordings that are shorter in length, 64kbps-96kbps will offer better audio quality.

If the wav file was sampled at 16 bits/44.1kHz, you've got CD quality sound

Very low compression, superior sound quality

The standard "CD quality" bit rate

Considered "near CD quality"

Slightly lower than FM radio station

Lower quality audio, low file size. Good for recording long lectures and keeping file size small

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