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Multiband Graphic Equalizer

The Multiband Graphic Equalizer allows audio signals to be filtered with a bank of band filters. The number of bands and the number of channels is configurable, and audio signals can be processed between 44kHz and 48kHz. Up to 12dB of gain or cut can be applied to each band independently. The same equalizer configuration is applied to each input channel. Internal filter saturation is avoided and ...More

Multiband Graphic Equalizer

Product Description

The Multiband Graphic Equalizer allows audio signals to be filtered with a bank of band filters. The number of bands and the number of channels is configurable, and audio signals can be processed between 44kHz and 48kHz. Up to 12dB of gain or cut can be applied to each band independently. The same equalizer configuration is applied to each input channel. Internal filter saturation is avoided and the output is clipped to full scale.

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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
5.8 6.4 <8.1 24.22
  • MIPS measured for a 2-channel 7 band equalizer configuration, Fs=48kHz, 220 samples per block, optimal memory layout, Stereo channel test vector, ADSP-BF527, ADSP BF533, ADSP-BF548.
  • For the optimal memory layout, all code and data used by the module was located in on-chip L1 memory.
  • "Data RAM" for one instance, includes Stack, Scratch, Instance/Stage, Minimum Input and Output Single Buffers.
  • 1 KiB = 1024 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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