The Wolfram Language provides fully integrated audio support, including fast and efficient in-memory data, as well as large out-of-core local and remote files. The built-in audio enables a range of uses, from immediate playing and scrubbing to advanced programmatic processing and analysis.

Creating & Importing Audio

Audio — create an audio signal from an array of data

AudioCapture — capture an audio signal from an input device

AudioGenerator — generate noise, oscillator, and more

SpeechSynthesize— synthesize a speech signal from text

$VoiceStyles  ▪  VoiceStyleData

WebAudioSearch — search for audio tracks on the web

Import  ▪  ExampleData ▫ ResourceData

Audio Options

Appearance — the graphics user interface to use for representing the audio object

AudioLabel — the label to use on the audio GUI

MetaInformation — metadata stored in an audio object, imported and exported

SampleRate — the sample rate to use for playing audio

AudioOutputDevice  ▪  AudioInputDevice  ▪  AudioChannelAssignment

Audio Properties

AudioQ — test whether an expression is valid audio

AudioData — the list of audio samples

Duration  ▪  AudioLength  ▪  AudioChannels  ▪  AudioSampleRate  ▪  AudioType

Audio Annotations

AudioAnnotate — annotate an audio object

AudioAnnotationLookup  ▪  AnnotationDelete ▫ AnnotationRules

Audio Capture & Playback

AudioPlay — create an audio output stream and start playing

AudioRecord — create an audio input stream and start recording

AudioStream — a stream created from an audio object for programmatic playback

AudioPause  ▪  AudioStop  ▪  AudioStreams  ▪  RemoveAudioStream

Analyzing Audio

AudioDistance — compute a distance measure between two audio objects

AudioBlockMap — apply a function to audio partitions

AudioLoudness — compute different loudness standards of an audio signal

AudioIntervals  ▪  AudioMeasurements  ▪  AudioLocalMeasurements

Fourier  ▪  PeriodogramArray  ▪  ShortTimeFourier  ▪  SpectrogramArray  ▪  CepstrogramArray  ▪  CepstrumArray

InverseShortTimeFourier  ▪  InverseSpectrogram

Audio Visualization

AudioPlot — waveform plot of an audio signal

Spectrogram  ▪  Periodogram  ▪  Cepstrogram  ▪  ListPlot

Audio Devices

$AudioOutputDevices — list of available audio output devices

$DefaultAudioOutputDevice — default audio device to use for audio playback

$AudioInputDevices — list of available audio input devices

$DefaultAudioInputDevice — default audio input device to use for audio recording