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DesignWare ARC Audio MPEG-1/2 Layer III (MP3) Encoder

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DesignWare® ARC™ Audio MPEG-1/2 Layer III Encoder software for the DesignWare ARC Sound AS211SFX and AS221BD audio processors enables high-quality audio encoding for devices such as security cameras, digital cameras, and set-top boxes. The encoder implements a high-quality encoding of audio, compliant with the MPEG1/2 Layer III standards, commonly known as MP3, with MPEG 2.5 extensions.

DesignWare ARC Audio MPEG-1/2 Layer III (MP3) Encoder
 

  • Compliant to ISO/IEC 11172-3 standard (MPEG-1 audio)
  • Compliant to ISO/IEC 13818-3 standard (MPEG-2 audio)
  • Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
  • Constant Bit Rate (CBR): 8-320 kbps per channel (range limits depend on the sample rate)
  • Variable Bit Rate (VBR), with configurable quality factor
  • Intensity stereo (IS)
  • Bit resolution: 16/24/32-bit PCM audio input
  • Robust against memory latency: 32 MHz processor load at 100 cycles latency