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MPEG-4 ALS-compliant codec technology

- Audio lossless coding technology compliant with international standards -

Overview

This newly developed audio lossless compression encoding/decoding library complies with the relevant international MPEG standards, uses NTT-developed speed enhancement technology, can be built into MPEG devices, and supports profiles for mobile terminals. Application samples are also provided.

Description

This codec library is used for lossless compression encoding/decoding of audio signals using internationally standardized MPEG-4 ALS.

It can be built into devices and supports profiles for mobile terminals. The encoding/decoding can be performed at real time with a DSP or a built-in CPU.

MPEG-4 ALS-compliant codec library

[Fig.]MPEG-4 ALS-compliant codec technology

Application fields

  • Live video delivery for which audio signals are important
  • IP radio, IP TV and similar services
  • Downloaded music sales
  • Mobile music players
  • Audio archives

Advantages

  • MPEG-4 ALS, an international standard for audio lossless coding, can be built into devices
  • The library supports profiles for mobile terminals
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