HE-AAC v2 / AAC+ Multichannel Decoder by AllGo Systems

Audio and Voice Solutions

Product Description

Introduction

HE-AAC, also known as AAC Plus, is the audio codec defined by ISO MPEG4 Audio profile in ISO/IEC 14496-3. HE AAC v1 is defined by the standard ISO/IEC 14496-3:2001/Amd 1:2003. HE AAC v2 is defined by the standard ISO/IEC 14496-3:2005/Amd 2:2006. It is an enhancement of the Advanced Audio Coding (AAC) Low Complexity (LC) profile to achieve better coding quality at lower bit rates. HE-AAC v1 uses Spectral band replication (SBR) to enhance the compression. HE-AAC v2 combines SBR and parametric stereo (PS) to further enhance the compression for stereo streams.

Salient Features

• Fully Complaint with ISO/IEC 14496-3, ISO/IEC 14496-3:2001/Amd 1:2003 and ISO/ IEC 14496-3:2005/Amd 2:2006
• Supports stereo and multichannel up to 7.1 channels
• Supports coupling channels
• Sampling rates: 8 to 96 khz
• Bit rates: Supports all the bit rate as per ISO/IEC 14496-3
• Built in Error handling to take care of corrupted bit-streams. Tested for various types of corrupted bit-streams.

Benefits

• Low Mhz and memory foot print
• Supports raw, adts and adif file formats
• Re-sync support for fast forward/rewind (with ADTS header)
• Multi instance and re-entrant implementation
• Simple API interface

Applications

• Portable audio players
• Streaming
• Mobile phones
• Gaming consoles
• Broadcast audio

 

HE-AAC v2 / AAC+ Multichannel Decoder

Market Segment(s)

• Embedded
• Home
• Mobile

Target Platform(s)

• Android
• Linux
• QNX
• Windows Embedded CE

ARM Processor(s)

• ARM920T
• ARM926EJ-S
• ARM1136J-S
• Cortex-A8
• Cortex-A9
• ARMv5
• ARMv6
• ARMv7

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