Hardware Reference
In-Depth Information
Solution
One approach is to buy an audio cape (
“Capes”
), but another, possibly cheaper approach is
to buy a USB audio adapter, such as the one shown in
Figure 2-22
. Some adapters that I've
tested are provided in
“Miscellaneous”
.
Figure 2-22. A USB audio dongle
Drivers for the
Advanced Linux Sound Architecture
(ALSA) are already installed on the
Bone. You can list the recording and playing devices on your Bone by using
aplay
and
arecord
, as shown in
Example 2-16
.
BeagleBone Black has audio-out on the HDMI in-
out.
