High-Efficiency Advanced Audio Coding (HE-AAC) is a lossy data compression scheme for digital audio defined as a MPEG-4 Audio profile in ISO/IEC 14496-3. MPEG-4 HE-AAC is the low bit-rate codec in the AAC family and integrates the functionality of the AAC-LC audio codec with Spectral Band Replication (SBR) bandwidth expansion tool. MPEG-4 HE-AAC v2 adds the Parametric Stereo (PS) feature to HE-AAC for even lower bit-rates.
Flow Chart
VINJEY's HEAAC implementation is based on reference implementation from Fraunhofer. VINJEY implementation passes all the conformance testing provided by Fraunhofer validation bench. HEAAC is optimized in accordance with MIPS and Memory requirements of resource constrained embedded solutions.
Salient Features
MIPS and Memory Optimized implementation.
Simple API and Interface for decoding.
Sample Application to aid faster integration.
Comprehensive error handling.
Extensively Tested.
PC Simulation Code.
24 Bit Output Support.
Support for Fraunhofer.
Reentrant
Platforms:
ARM-9E
Cortex-A8
We are currently working on porting and optimizing HEAAC onto more platforms apart from the platforms listed above. For more information or product flyer
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