Pro-Codec User Manual

4 SUMMARY OF CODEC FEATURES AND APPLICATIONS
4 Summary of Codec Features and Applications
MP3
General purpose audio codec, compatible with most players.
Typical bit rate: 128 kbps (stereo)
AAC-LC (AAC Low Complexity)
High performance audio codec for excellent audio quality at low bit rates. Used for
ISDB television (Japan).
Typical bit rate: 128 kbps (stereo)
HE-AAC (High Efficiency AAC)
High performance audio codec for good quality at bit rates of 32–48 kbps per
channel. Used for XM Radio, mobile music downloads and Digital Radio Mondiale.
Typical bit rate: 64 kbps (stereo)
HE-AAC v2
High performance audio codec for good quality at bit rates of 16–24 kbps per
channel. Used for 3GPP music download, Digital Radio DAB+, and internet radio
streaming to mobile devices (e.g. iPhone).
Typical bit rate: 48 kbps (stereo)
xHE-AAC (Extended High Efficiency AAC)
High performance all-purpose codec with adaptive bit rates, loudness and dynamic
range control.
Typical bit rate: 6-162 kbit/s (mono) / 12-400 kbit/s (stereo).
Apple AAC
High performance audio codec for excellent audio quality at low bit rates. Used for
Apple iPod, iTunes etc.
Typical bit rate: 256 kbps VBR (stereo)
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