Hi All,
I am using a Micronas UAC-3556B USB headphone with microphone
attached to the headset. I am using IBM ThinkCenter with Intel Pentium
Processor (3.0GHz)running RHEL4.0-U2 Linux kernel (2.6.9-22.EL). I am
able to replay audio CDs using the ALSA driver. However,I am not able
to record voice and replay the recorded audio.
I did post the problem to ALSA-User list and got a good response from
Lee R. and others. However, the recording of voice/audio is not yet
possible. So I am posting my problem in the ALSA-DEVL list. The info on
the configuration is given below. Any help to solve the recording
problem is appreciated. Thanks All
ALSA driver packages info:
alsa-lib-1.0.11-2
alsa-utils-1.0.11-2.RHEL4
alsa-lib-debuginfo-1.0.11-2
alsa-lib-devel-1.0.11-2
alsa-utils-debuginfo-1.0.11-2.RHEL4
execution of cmd: aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ICH5 [Intel ICH5], device 0: Intel ICH [Intel ICH5]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: ICH5 [Intel ICH5], device 4: Intel ICH - IEC958 [Intel ICH5 -
IEC958]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: UAC3556B [UAC3556B], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
playing sound by executing aplay -D hw:1,0
/usr/share/sounds/shutdown*.wave works fine. (better than version 1.0.6-5)
executed the command: alsaunmute 1
executed the command and used "F4" to adjust the capture of mic and
raised mic channel using "alsamixer -c 1"
However the recording still doesn't work with the command:
arecord -d 20 -D hw:1,0 -f dat /tmp/foobar.wav
and the dump is below:
Simple mixer control 'Bass',0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 48
Mono: 45 [94%]
Simple mixer control 'Bass Boost',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'Treble',0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 48
Mono: 24 [50%]
Simple mixer control 'PCM',0
Capabilities: pvolume cvolume pswitch pswitch-joined cswitch
cswitch-joined
Playback channels: Front Left - Front Right
Capture channels: Mono
Limits: Playback 0 - 704 Capture 0 - 15
Mono: Capture 7 [47%] [off]
Front Left: Playback 500 [71%] [on]
Front Right: Playback 500 [71%] [on]
Simple mixer control 'PCM Capture Source',0
Capabilities: enum
Items: 'PCM' 'Mic' 'Input 2'
Item0: 'Mic'
Simple mixer control 'PCM',1
Capabilities: cvolume
Capture channels: Mono
Limits: Capture 0 - 656
Mono: Capture 299 [46%]
Simple mixer control 'Mic',0
Capabilities: cvolume
Capture channels: Mono
Limits: Capture 0 - 15
Mono: Capture 10 [67%]
Simple mixer control 'Auto Gain Control',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Please let me know if I have anything set in the wrong way. Let me also
know if we have to login a defect at ALSA-project site. Hope I have
switched on the capture this time. "space bar" doesn't work and so is
the case with "m" to unmute the channel. Also with 1.0.11 version,
"F2", "F3", "F4" and "F5" function keys WORK.
Regards,
V.A.Krishnan
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