audiowrite

Writes audio data to an audio file using functions defined in the Audio library. Currently only .wav format files in PCM audio format are supported.

Syntax

audiowrite(filename, data, sampleRate)

audiowrite(filename, data, sampleRate, param, value)

Inputs

filename

Audio file name. Currently, only .wav format files are supported.

Type: string

data

Audio data, which is a 2D real matrix.

Type: matrix

sampleRate

Sample rate or the samples(blocks) per second

Type: integer

param-value(optional)

Optional param-value pairs which specify the parameters of the audio data written infilename. The following are the valid parameter names and their values:

artist: artist: Name of the artist.; Type: string
comment: comment: Comments.; Type: string
title: title: Title of the audio file.; Type: string
bitspersample: bitspersample: Number of bits per sample.; Type: integer

Example

Write audio data to a wav file:


inputdata = audioread('input.wav');
audiowrite('audio1.wav', inputdata, 8000, 'artist', 'Artist1', 'title', 'Some title');