Advanced Audio Coding is part of MPEG-2 (13818-7) and MPEG-4 (14496-3) standards from MPEG group. AAC has been tested to allow ITU-R indistinguishable quality at data rates of 320 kbps for five full bandwidth audio channels
Flow Chart
VAAC is VINJEY's implementation of MPEG 2/4 Low Complexity Profile decoder. VAAC was developed from scratch in accordance with MIPS and Memory requirements of resource constrained embedded solutions. VAAC meets full accuracy specification set by ISO for the decoder implementations. VAAC doesn't have any limitation on number channels it supports. Also, the number of channels that can be decoded depends only on the availability of Memory and MIPS
Salient Features
Available on number of RISC/DSP platforms.
Simple API for decoding.
Sample Application to aid faster integration.
Comprehensive error handling.
Supports TNS, PNS, M/S and I/S Stereo.
24 Bit Output Support.
Extensively Tested.
Bit Accurate PC Code.
Reentrant
Platforms:
ARM-9E
SC1400 DSP
TMS320C54x DSP
TMS320C55x DSP
TMS320C62x DSP
TMS320C64x DSP
TMS320C67x DSP
ZSP200 DSP
ZSP210 DSP
ZSP400 DSP
ZSP410 DSP
ZSPNeo DSP
We are currently working on porting and optimizing VAAC onto more platforms apart from the platforms listed above. For more information or product flyer
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