Book Image

Banana Pi Cookbook

By : Ryad El-Dajani
Book Image

Banana Pi Cookbook

By: Ryad El-Dajani

Overview of this book

Table of Contents (13 chapters)

Configuring the audio device

There are two common ways to output audio on Banana Pi. You can pass-through the digital audio signal via HDMI to your television or audio/video receiver, or you can output the signal via the analog line out.

Getting ready

The following ingredients are required to handle audio on Banana Pi:

  • A Linux system on Banana Pi

  • Access to the shell

  • Either an HDMI connection to your TV, audio/video receiver, or…

  • A set of stereo headphones or stereo jack cable to any analog audio receiving device with 3.5 mm jack

How to do it…

We are configuring both the HDMI pass-through and the analog audio output in this recipe. In both cases, we have to configure the audio output via the system configuration file /etc/asound.conf (also called asoundrc).

Configuring HDMI pass-through

The following steps explain how to enable the HDMI pass-through of the digital sound signal:

  1. Open a shell.

  2. With an editor such as nano, edit or create the system configuration file called /etc/asound.conf:

    $ sudo nano...