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Audio System Toolbox Blocks - By Category

Alphabetical List By Category

Audio I/O and Waveform Generation

Audio Device ReaderRecord from sound card
From Multimedia FileStream from multimedia file
Audio Device WriterPlay to sound card
To Multimedia FileStream video frames and audio samples to multimedia file

Audio Processing Algorithm Design

CompressorDynamic range compressor
ExpanderDynamic range expander
LimiterDynamic range limiter
Noise GateDynamic range gate
ReverberatorAdd reverberation to audio signal
Crossover FilterAudio crossover filter
Weighting Filter Weighted frequency response filter
Octave FilterOctave-band and fractional octave-band filter
Parametric EQ FilterSecond-order parametric equalizer filter
Graphic EQStandards-based graphic equalizer

Measurements and Feature Extraction

Loudness MeterStandard-compliant loudness measurements
Voice Activity DetectorDetect presence of speech in audio signal
Cepstral Feature ExtractorExtract cepstral features from audio segment

Simulation, Tuning, and Visualization

MIDI ControlsOutput values from controls on MIDI control surface
Spectrum AnalyzerDisplay frequency spectrum
Time ScopeDisplay signals generated during simulation
Array PlotDisplay vectors or arrays

Musical Instrument Digital Interface (MIDI)

MIDI ControlsOutput values from controls on MIDI control surface
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