MP3 Settings

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Preset Quality

 

The easiest way of choosing a level of compression for your MP3 files is to use the Preset Quality slider.

 

The Preset Quality slider allows you to choose from several levels of quality and resultant file sizes.  As you choose higher quality, the file size goes up as well.  On the other hand, lower quality presets will be smaller and easier to send over the Internet.

 

Preset

Bit rate

Mode

LAME

Phone

16 kbps

Mono

X

Shortwave

24 kbps

Mono

X

AM Radio

32 kbps

Mono

X

FM Radio*

96 kbps

Stereo

X (J-stereo)

Voice

64 kbps

Mono

X

Radio

112 kbps

Stereo

Tape

128 kbps

Stereo

Hi-Fi

160 kbps

Stereo

CD

192 kbps

Stereo

Studio

256 kbps

Stereo

 

The default is CD quality (192 kbps, Stereo).

 

* Note that the FM Radio bit rate is higher than the next preset quality, which is Voice.  Voice is @ 64 kbps and FM Radio is @ 96 kbps.  The reason that there is a discrepancy is because Voice is mono and FM Radio is stereo.  If you were to divide the FM Radio bit rate in half, you would have 48 kbps per channel, which is lower than the Voice preset.