WMA9 Std Decoder, Blackfin

The Windows Media Audio (WMA9) Standard Decoder library for the Blackfin processor implements support for handling of WMA9 decoding in conformance with ITU-T H.264 standard.
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Product Details

Windows Media Audio (WMA9) Standard Decoder is a proprietary audio compression format from Microsoft which supports both mono and stereo at sampling rates up to 48 kHz. The codec was designed primarily for music and it can deliver near CD-audio quality at 128kb/s.


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Each module supports the Analog Devices, Inc. (ADI) Blackfin or SHARC Processor family and is a licensed product that is available in object code format. Recipients must sign or accept a license agreement with ADI prior to being shipped or downloading the modules identified in the license agreement.

Performance Metrics

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MIPS Summary:

 Code RAM (KiB)
 Data RAM (KiB)
 Constant Data Tables (KiB)
 Peak Averaged
 Peak Averaged
 Peak Averaged

  • This table highlights example Blackfin processors and expected MIPS performance using optimal memory layout. The BF609 processor includes additional L2 on-chip memory which can help reduce MIPS when fully utilized. Similarly, processors with higher bandwidth external memory interfaces (32-bit versus 16-bit and DDR versus SDRAM) will also help reduce overall MIPS requirements
  • MIPS measured using Microsoft test vectors at a constant bit rate of 128kpbs, 48 kHz sampling rate, optimal memory layout, worst case test vector, running on ADSP-BF533/527/609.
  • BF609 Core Clock = 500 MHz, System Clock = 250 MHz, Dynamic Mem Clock = 250 MHz; BF533 Core Clock = 594 MHz, System Clock = 119 MHz; BF527 Core Clock = 400 MHz, System Clock = 133 MHz.
  • "Data RAM" for one instance, includes Stack, Scratch, Minimum Input and Output Single Buffers.
  • 1 KiB = 1024 Bytes.
  • NOTE: Peak Averaged MIPS is the maximum averaged MIPS over a period of 100ms.

Systems Requirements

  • Windows XP Professional SP3 (32-bit only).
  • Windows Vista Business/Enterprise/Ultimate SP2 (32-bit only). It is recommended to install the software in a non-UAC-protected location.
  • Windows 7 Professional/Enterprise/Ultimate (32 and 64-bit). It is recommended to install the software in a non-UAC-protected location.
  • Minimum of 2 GHz single core processor, 3.3 GHz dual core is recommended.
  • Minimum of 1 GB memory (RAM), 4 GB is recommended.
  • Minimum of 2 GB hard disk (HDD) space is required.
  • CrossCore® Embedded Studio for Analog Devices Processors.

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