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aacdec.md

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AAC decoder

AAC decoder features

  • The AAC decoder implementation supports the following:
  • Supported profile : AAC-LC
  • Sampling rate : 8 kHz, 11.025 kHz, 12 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz
  • Channel : stereo and mono
  • Bits per samples : 16 bit
  • Container format : (MPEG-2 Style)AAC transport format - ADTS and ADIF.

Specification and reference

Performance

Memory information

The memory usage of the decoder in bytes is:

  • Code/flash = 26332 + 19264 = 45596
  • Data/RAM = 26832
Section Size
.text 26332
.ro & .const 19264
.bss 26832

CPU usage

  • CPU core clock in MHz: 20.97.
Track type Duration of track in second Frame size in bytes Performance MIPS of codec (in MHz)
48 kHz, stereo 38 s 4096 12.2 MHz