Tensilica’s MPEG-2/4 AAC-LC Encoder Application Package

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The MPEG-2/4 AAC-LC Encoder package for the Xtensa HiFi Audio Engine implements 24-bit MPEG-4 AAC-LC and MPEG-2 AAC LC 2-channel encoding compliant with ISO/IEC 14496-3, supporting Constant Bit Rate, TNS, PNS, Joint Stereo, ADIF and ADTS encoding formats. The encoder is a fixed-point implementation written in C and available in either object or source code. Included documentation describes how to incorporate the decoder into a system. Using this package, system developers can integrate an MPEG-2/4 AAC-LC decoder into an SOC without the need for additional optimizations or software development. The same Xtensa HiFi 2 Audio Engine is used for other Tensilica audio codecs, enabling the development of highly optimized multi-standard audio SOC designs.

Feature Summary

• Supports MPEG-4 AAC and MPEG-2 AAC LC 2-channel encoding
• Supports constant bit rate, TNS, PNS, and Joint Stereo
• Supports ASIF and ADTS encoding formats.

Specifications - 128 kbps, 44.1 KHz