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Ogg Vorbis Decoder

Ogg Vorbis is a royalty-free, general purpose lossy audio compression codec supported by the open source community. The codec supports 16-bit stereo audio up to 48kHz and 500kb/s. The audio quality is comparable to that of MPEG-4 AAC.

RESOURCES & TOOLS

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TECHNICAL DOCUMENTATION

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EVALUATION BOARDS & DEVELOPMENT KITS

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TOOLS, SOFTWARE & SIMULATION MODELS

Features

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Functions

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Performance Metrics

MIPS summary:

Code memory (KiB) Data RAM (KiB) Constant Data Tables (KiB) MIPS
Average Peak
30.7 44.7 43.3 40.6 50.1
  • MIPS measured using Fs = 48kHz, 128kb/s, optimal memory layout, worst case test vector, running on a BF533.
  • Code compatible across all BF5xx processors, with silicon anomaly workarounds implemented based on BF533 Silicon Revision 0.3 and later.
  • "Data RAM" for one instance, includes Stack, Scratch, Instance/State, single Input and Output Buffers. The exact amount of Data RAM needed is dependent on the bit stream.
  • Input buffer size is 2K bytes and output buffer size is 6K bytes.

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Applications

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Requirements

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Availability and Licensing

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

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