MPEG Audio Validation

MPEG Audio Validation

MPEG Audio Validation Module provides validation of MPEG audio Layer I and Layer II elementary streams according to the ISO/IEC 11172-3 and ISO/IEC 13818-3 standards. The validation process examines and validates the internal stream structures and detects audio frames decoding errors. The validation module can also detect changes in common stream parameters. Additionally there is a set of Informational Reports, which deliver more detailed information about the file being examined, such as the audio stream parameters, decoded audio frames count, etc.

Each MPEG audio check can be disabled or enabled or set to another report type, such as Info, Warning or Error. The solution can be applied in wide variety of workflows. The validation report output can be exported into XML report file, containing the full report information in standard XML format. This allows easy integration of the solution with any digital media workflow and further processing of the report information with any third party systems.

The validation process is faster than the real-time decoding process of the media file. This way fast processing of big number local or remote files is possible.

The MPEG Audio Validation module is available in the following solutions:

General Features

The following list contains some of the MPEG audio validation check groups used in the verification process:

  • Corrupted MPEG audio frames;
  • Changing header parameters;
  • Valid audio header parameters;
  • Junk data blocks detection.

The following list contains some of the information fields, which are displayed by this MPEG Audio Validation module:

  • Audio Profile information;
  • Audio Frequency information;
  • Audio Channels configuration information;
  • Stream ID in multiplex;
  • Program ID in multiplex.

The following formats and parameters are supported by this MPEG Audio Validation module:

  • MPEG-1, MPEG-2, MPEG-2.5, LPCM, AES3;
  • Layer I, II and III;
  • Bitrate: 64 Kbps – 384 Kbps.
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