N900 Hardware Audio Codec

(wikify slightly, categorize)
(Flesh out slightly.)
Line 6: Line 6:
==Software==
==Software==
 +
===User===
 +
The audio codec is driven by pulseaudio, through ALSA.
 +
The ALSA interface is usually not exposed in maemo 5 - adding:
 +
<pre>
 +
pcm.real {
 +
type hw
 +
card 0
 +
}
 +
ctl.real {
 +
type hw         
 +
card 0
 +
}
 +
</pre>
 +
to /etc/asound.conf enables a hardware device.
 +
Stopping pulseaudio may be required to use this.
 +
 +
 +
===Kernel===
[[Category:N900 Hardware]]
[[Category:N900 Hardware]]

Revision as of 17:57, 12 August 2010

The Audio codec encodes and decodes audio.

Contents

Hardware

The audio codec is a low-power 4 channel codec From TI.

Software

User

The audio codec is driven by pulseaudio, through ALSA. The ALSA interface is usually not exposed in maemo 5 - adding:

pcm.real {
	type hw
	card 0
}

ctl.real {
	type hw           
	card 0
}

to /etc/asound.conf enables a hardware device. Stopping pulseaudio may be required to use this.


Kernel