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This article is from the MPEG FAQ, by Frank Gadegast phade@cs.tu-berlin.de with numerous contributions by others.

47 Very interesting! Tell me more about this recommendation! (MPEG Audio Layer-3 Applications)

The task group TG 10/2 concluded its work in October 93. The draft
recommendation defines three fields of broadcast applications:
- distribution and contribution links (20 kHz bandwidth, no audible
impairments with up to 5 cascaded codecs)
Recommendation: Layer-2 with 180 kbps per channel
- emission (20 kHz bandwidth)
Recommendation: Layer-2 with 128 kbps per channel
- commentary links (15 kHz bandwidth)
Recommendation: Layer-3 with 60 kbps for monophonic and 120 kbps
for stereophonic signals

 

Continue to:

• prev: 46 O.K., back to these listening tests. Come on, tell me some results. (MPEG Audio Layer-3 Applications)
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• next: 48 I see. Medium bitrates - Layer-2, low bitrates - Layer-3. What's about a bitrate of 96 kbps per channel that seems to be "somewhere in between" Layer-2 and Layer-3 domains? (MPEG Audio Layer-3 Applications)

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