Thanks for your answer, but I don't know much about digital audio component.
On my laptop there are
1) integrated MIC (is it MIC1?)
2) integrated speakers
3) port for external MIC (is it MIC2?)
4) port for external speakers
I've tried to record and play through the devices to guess what they
In my case,
alsamixer shows Intel 82801DB-ICH4 uses Analog Devices AD1981B as AC'97 Codec.
Chip spec may serve as a reference.
http://www.analog.com/en/prod/0,2877,AD1981B,00.html
It uses two ADC circits , which can be shown as ADC and ADC2 in the
'/proc/asound/pcm'
And have one SPDIF port.
On Tue, 2006-09-19 at 21:58 +0100, Mario Rossi wrote:
Hi,
I would like to know what is the second device Intel ICH - IEC958.
If I try to play via it no sound is emitted
aplay -D plughw:0,4 somefile.wav
nothing happens.
The first device is the actual device, while the third is the
