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Overview

TMC’s AMR(Adaptive Multi Rate) Speech Encoder is designed to be compliant with 3GPP(The 3rd Generation Partnership Project), and has the feature of switching to any bit-rate every frame(160 samples, correspond to 0.02 sec). Therefore, it is available for various applications, mobile phones or PDA’s as typified by mobile hand sets, or for network distribution service, for example.

Benefits

Encoding Time (ARM926-EJS) : 12 [msec/frame] Decoding Time (ARM926 EJS) : 1 [msec/frame]

Applications

Mobile phones, PDA’s as typified by mobile hand sets, network distribution service

Features

3GPP TS.26-104(Version 6.0.0) ENCODER
  • Input format : PCM(13 bits, 8 kHz sampling, Monaural)
  • Output format : AMR MIME file storage format, AMR interface format 2(IF2)
  • Supported bit-rates - 4.75, 6.75, 12.2 kbps
  • Supported frame types - SPEECH_GOOD, NO_DATA, SID_FIRST, SID_UPDATE DECODER
  • Input format : AMR MIME file storage format, AMR interface format(IF2)
  • Output format : PCM(13 bits, 8 kHz sampling, Monaural)
  • Supported bit-rates - 4.75 / 5.15 / 5.90 / 6.70 / 7.40 / 7.95 / 10.2 / 12.2 kbps
  • Supported frame types - SPEECH_GOOD, SPEECH_BAD, NO_DATA, SID_FIRST, SID_UPDATE, SPEECH_BAD, SID_BAD
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