Audio Playback

R2026b

Play audio on device speaker

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Audio Playback block

To add a block to a model, double-click the canvas and start typing the block name. Then, select the block from the list.

Libraries:
Simulink Support Package for Android Devices / Audio & Video

Description

Add-On Required: This feature requires the Simulink Support Package for Android Devices add-on.

Use the Audio Playback block to play an audio sample on the device speaker.

Note

During simulation with no hardware connected, this block does nothing. For more information, see Block Produces Zeros or Does Nothing in Simulation.

Ports

Input

Port_1 — Audio sample

numeric matrix

The block inputs the audio sample, specified as an N–by–2 numeric matrix. Here, N is the number of audio samples per frame, and the columns of the matrix represents the left and right audio channels, respectively.

Data Types: int16

Parameters

Audio sampling frequency (Hz) — Sample rate of device speaker

44100 (default) | 8000 | 11025 | 16000 | 22050 | 24000 | 32000 | 48000

Specify the audio sampling frequency of the device speaker.

Programmatic Use: Add Block

To add the block programmatically, use the add_block function with one of these library block paths as the source.

"androidaudiovideolib/Audio Playback"

Example: add_block("androidaudiovideolib/Audio Playback","myModel/myBlock",MakeNameUnique="on")

Version History

Introduced in R2014a