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Home -> Our Services -> DSP Applications -> Audio

Audio

We provide the following services related to audio applications:

  • Development of audio / speech codecs
  • Porting of audio / speech codecs
  • Customization of audio / speech codecs
  • Optimization of audio / speech codecs

Speech coding related projects we had done so far are the following:

  • PCM (ITU-T G.711) codec for a floating point DSP

Developed PCM Codec using floating point DSP. Codec was based on ITU-T G.711 (64 kbps, A/U-Law).

  • ADPCM (ITU-T G.726/G.721) codec for floating point DSP & Custom VLSI

ADPCM codec was developed based on ITU-T G.726/G.721. Bit rates supported were 40, 32,24 & 16 kbps. Processors used were floating point DSP & Custom VLSI.

Audio coding related projects we had done so far are the following:

1 Development of MPEG-I (Layer 1 and 2) audio codecs
2 Development of MP3 decoder for a fixed point DSP and Media embedded processor
3 Development of AAC decoder
4 Development of Ogg Vorbis decoder
5 Optimization of MPEG1/2 (Layer 1, 2 and 3) decoder
6 Optimization of MPEG1/2 (Layer 3) encoder