AAC Decoder

Tatvik’s AAC-LC Audio Decoder implementation is one of the fastest fixed-point implementations for Mobile Platforms. The implementation is highly efficient in terms of low MIPS and small memory footprint.


ProfileMPEG-4 AAC-LC (Low Complexity)Tools• Intensity Stereo
• Mid/side Stereo
• Temporal Noise Shaping (TNS)
• Perceptual Noise Substitution (PNS)
Sampling Rates8-96 KHzChannelsMono/Stereo
Bit RateAny (Compliant with Standard)Output16 Bit PCM
ProcessorsARM9, ARM11
ARM Cortex A8,A9,A7,A15
Intel x86, x64
Operating SystemiOS
Windows (Phone) 7/8
Embedded Linux
Windows, Linux, MAC
ComplianceISO/IEC 14496-4, ISO/IEC 14496-3:2001


Tatvik’s AAC-LC decoder implementation has been ported to various platforms. The implementation shows excellent results on all platforms. The detailed benchmark results on ARM Simulator (ARMulator) are shown in the table below:

Image Size MCycles on ARM9 Simulator
352 x 288 8.6
640 x 480 26.2
720 x 480 29.4