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MPEG-1 audio encoder software library module


  • The MPEG audio encoder accepts a stream of PCM format audio at its input stream and generates an MPEG 1 encoded output stream. The encoder supports both layer 2 and layer 3 encoding. The layer 2 encoder is well optimized and the quality of the encode is high. The layer 3 encoder is fairly well optimized, but the quality of the encode is not what some may wish for a product. This version of the encoder is intended for use in an evaluation. Subsequent releases will be of final product quality. The layer 2 encoder is closer to final quality than the layer 3 encoder. Use of either of these encoders may require a patent license, as the MPEG audio encoding standards are covered by patents held by various compaies.


  • MPEG-1 layer 1 and layer 2 encoding
  • MPEG-1 layer 3 encoding
  • compatible with TriMedia Software Development Environment
  • supported by pSOS+ real-time operating system
  • can be demonstrated on TM-1300 IREF board


  • MPEG-1 audio encoding compresses stereo audio data.