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Line-in of CM106 like sound device does not work
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Sietse Achterop
Dec 25, 2013, 7:30:01 AM12/25/13
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Dear List,
Using Wheezy, version 7.3, with the 3.11 kernel from wheezy-backports,
I have an exteral USB sound device from Sweex, see
http://www.sweex.com/nl/assortiment/sound-vision/sound-cards/sc016/
lsusb says:
Bus 003 Device 004: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device
This hardware seems OK, because under Windows it is working properly.
The problem is that no signal is seen from the line-in input.
The microphone input (and output) work ok.
I can set the settings from System Settings->Sound.
The microphone-led on the device shows that the setting is changed on the device.
(I am using pulseaudio, so it can also use pavucontrol)
The question of course is, why are signals on line-in not seen?
What could wrong?
Thanks in advance,
Sietse
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Using Wheezy, version 7.3, with the 3.11 kernel from wheezy-backports,
I have an exteral USB sound device from Sweex, see
http://www.sweex.com/nl/assortiment/sound-vision/sound-cards/sc016/
lsusb says:
Bus 003 Device 004: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device
This hardware seems OK, because under Windows it is working properly.
The problem is that no signal is seen from the line-in input.
The microphone input (and output) work ok.
I can set the settings from System Settings->Sound.
The microphone-led on the device shows that the setting is changed on the device.
(I am using pulseaudio, so it can also use pavucontrol)
The question of course is, why are signals on line-in not seen?
What could wrong?
Thanks in advance,
Sietse
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Sietse Achterop
Dec 25, 2013, 8:00:02 AM12/25/13
to
On 12/25/2013 12:30 PM, Sietse Achterop wrote:
> lsusb says:
> Bus 003 Device 004: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device
> This hardware seems OK, because under Windows it is working properly.
>
> The problem is that no signal is seen from the line-in input.
In addition below some output of "pactl list".
> lsusb says:
> Bus 003 Device 004: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device
> This hardware seems OK, because under Windows it is working properly.
>
> The problem is that no signal is seen from the line-in input.
This all seems OK too.
Sietse
=================================================================================
Source #1
State: SUSPENDED
Name: alsa_input.usb-0d8c_USB_Sound_Device-00-Device.analog-stereo
Description: CM106 Like Sound Device Analog Stereo
Driver: module-alsa-card.c
Sample Specification: s16le 2ch 44100Hz
Channel Map: front-left,front-right
Owner Module: 4
Mute: no
Volume: 0: 83% 1: 83%
0: -4.99 dB 1: -4.99 dB
balance 0.00
Base Volume: 65%
-11.06 dB
Monitor of Sink: n/a
Latency: 0 usec, configured 0 usec
Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
Properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "USB Audio"
alsa.id = "USB Audio"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "1"
alsa.card_name = "USB Sound Device"
alsa.long_card_name = "USB Sound Device at usb-0000:00:14.0-3, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:14.0-usb-0:3:1.0"
sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/sound/card1"
udev.id = "usb-0d8c_USB_Sound_Device-00-Device"
device.bus = "usb"
device.vendor.id = "0d8c"
device.vendor.name = "C-Media Electronics, Inc."
device.product.id = "0102"
device.product.name = "CM106 Like Sound Device"
device.serial = "0d8c_USB_Sound_Device"
device.string = "front:1"
device.buffering.buffer_size = "352800"
device.buffering.fragment_size = "176400"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "CM106 Like Sound Device Analog Stereo"
alsa.mixer_name = "USB Mixer"
alsa.components = "USB0d8c:0102"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
Ports:
analog-input-microphone: Microphone (priority: 8700)
analog-input-linein: Line In (priority: 8100)
Active Port: analog-input-linein
Formats:
pcm
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Ralf Mardorf
Dec 25, 2013, 8:00:02 AM12/25/13
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Pulseaudio + working audio = a paradox
Perhaps your problems aren't related to pulseaudio, but at least for
troubleshooting purge remove this idiotic, completely bad programmed
sound server!
My Linux PC is a DAW for audio productions, all mails that are pro
pulseaudio are automagically moved to the junk folder.
OP, if you like/need pulseaudio, than anyway, for troubleshooting start
with removing pulseaudio.
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Perhaps your problems aren't related to pulseaudio, but at least for
troubleshooting purge remove this idiotic, completely bad programmed
sound server!
My Linux PC is a DAW for audio productions, all mails that are pro
pulseaudio are automagically moved to the junk folder.
OP, if you like/need pulseaudio, than anyway, for troubleshooting start
with removing pulseaudio.
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Robin
Dec 25, 2013, 9:30:02 AM12/25/13
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On 25 December 2013 11:30, Sietse Achterop <s.ach...@rug.nl> wrote:
Dear List,
Using Wheezy, version 7.3, with the 3.11 kernel from wheezy-backports,
I have an exteral USB sound device from Sweex, see
http://www.sweex.com/nl/assortiment/sound-vision/sound-cards/sc016/
lsusb says:
Bus 003 Device 004: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device
This hardware seems OK, because under Windows it is working properly.
The problem is that no signal is seen from the line-in input.
The microphone input (and output) work ok.
I can set the settings from System Settings->Sound.
The microphone-led on the device shows that the setting is changed on the device.
(I am using pulseaudio, so it can also use pavucontrol)
The question of course is, why are signals on line-in not seen?
What could wrong?
Thanks in advance,
Sietse
As a start from a terminal run alsamixer, hit F6 to select device and check the line-in level.
--
rob
Sietse Achterop
Dec 26, 2013, 6:00:02 AM12/26/13
to
On 12/25/2013 03:20 PM, Robin wrote:
>
> As a start from a terminal run alsamixer, hit F6 to select device and check the line-in level.
>
Thanks Ralf and Robin for the replies.
>
> As a start from a terminal run alsamixer, hit F6 to select device and check the line-in level.
>
I now somehow got it working properly, but I don't know what has changed.
I first removed pulseaudio, but although I could control everything using the alsa mixer,
there was no signal on line-in (an now also not on the mic-input).
Then I reinstalled pulseaudio again, fiddled a bit with the controls and presto, everything
works perfectly. I am perfectly sure that I tried the current control earlier.
But never mind, it is working.
Thanks again for the replies,
Sietse
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