MPEG3 DECODER

MPEG1 Layer lll C55x

The Adaptive Digital Technologies MP3 Decoder .pdf is fully compliant with ISO/IEC 11172-3 (MPEG1 layer 3), ISO/IEC 13818-3.2 (MPEG2 audio) and MPEG2.5 standards as specified by ISO/IEC-11172-4 standard. The MP3 decoder converts audio data in compressed format to uncompressed format. It supports sampling frequencies from 8 kHz to 48 kHz and all bit-rates specified by the standard.

FEATURES

  1. Supports VBR (variable bit rate) and CBR (constant bit rate) modes.
  2. Supports all stereo modes (stereo/joint stereo/dual channel/single channel).
  3. Fully compliant with ISO/IEC 11172-3, ISO/IEC 13818-3.2 (MPEG2 audio) and MPEG2.5 standards.
  4. Compliant with XDAIS specification.
  5. Supports all mode extensions for joint stereo.

AVAILABILITY

ADT MP3 Decoder is available on the TMS320C5000™ DSP Platform

C55x™DSP Generation

SPECIFICATIONS

Sampling Rate: The MPEG4 MP3 Decoder supports sampling frequency from 8kHz to 48 kHz as specified by the standard.

Bit Rate: The MPEG4 MP3 Decoder supports all bit rates as specified by the standard.

C55X

CYCLES INFORMATION –Profiled on TMS320C5510

Configuration
Test File Parameters
MIPS(MAX)
MIPS(AVG)
MP3_DEC_ Low MIPS
64kbps-320 kbps
18.19
16.22
MP3_DEC_ Low Mem
64kbps-320 kbps
20.67
18.74

Last update: 10/18/2005

MEMORY STATISTICS
All Memory usage is given in units of kilobytes.

Configuration
Program Memeory
Constants Scratch
Instance
MPEG4_AAC_LC_Low MIPS
18.75
13.70
9.00
9.49
MPEG4_AAC_LC_Low Mem
14.38
14.38
4.5
9.49

Last update: 10/18/2005

DECODE_create(…) creates an instance of the DECODE algorithm and returns a handle to the object.

DECODE_decode(…) processes the calls to the decoder.

DECODE_delete(…) deletes the instance of the dynamically created object referenced to by the handle

 

Adaptive Digital Technologies, Inc.
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