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Audio System Toolbox System Objects - By Category

Alphabetical List By Category

Audio I/O and Waveform Generation

audioPlayerRecorderSimultaneously play and record using an audio device
audioDeviceReaderRecord from sound card
dsp.AudioFileReaderStream from audio file
audioDeviceWriterPlay to sound card
dsp.AudioFileWriterStream to audio file
audioOscillatorGenerate sine, square, and sawtooth waveforms
wavetableSynthesizerGenerate periodic signal from single-cycle waveforms

Audio Processing Algorithm Design

compressorDynamic range compressor
expanderDynamic range expander
limiterDynamic range limiter
noiseGateDynamic range gate
reverberatorAdd reverberation to audio signal
crossoverFilterAudio crossover filter
multibandParametricEQMultiband parametric equalizer
graphicEQStandards-based graphic equalizer
octaveFilterOctave-band and fractional octave-band filter
weightingFilterFrequency-weighted filter

Measurements and Feature Extraction

loudnessMeterStandard-compliant loudness measurements
splMeterMeasure sound pressure level of audio signal
voiceActivityDetectorDetect presence of speech in audio signal
cepstralFeatureExtractorExtract cepstral features from audio segment

Simulation, Tuning, and Visualization

dsp.SpectrumAnalyzerDisplay frequency spectrum of time-domain signals
dsp.TimeScopeTime domain signal display and measurement
dsp.ArrayPlotDisplay vectors or arrays
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