David Christensen <dpchr...@holgerdanske.com> writes: > On 08/07/17 05:15, Rodolfo Medina wrote: >> Hi all. >> >> I just bought an external USB audio card. I plugged it into the USB port of >> my PC and plugged a 3.5mm jack microphone into the `mic' input of the card. >> It is shown in lsusb: >> >> $ lsusb >> Bus 002 Device 005: ID 17ef:602e Lenovo >> Bus 002 Device 003: ID 046d:c312 Logitech, Inc. DeLuxe 250 Keyboard >> Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. >> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 001 Device 010: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio >> Controlle >> Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card >> Reader >> Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub >> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> >> >> and also in arecord: >> >> $ arecord --list-devices >> **** List of CAPTURE Hardware Devices **** >> card 1: Generic [HD-Audio Generic], device 0: ALC662 rev3 Analog [ALC662 >> rev3 Analog] >> Subdevices: 0/1 >> Subdevice #0: subdevice #0 >> card 1: Generic [HD-Audio Generic], device 2: ALC662 rev3 Alt Analog [ALC662 >> rev3 Alt Analog] >> Subdevices: 1/1 >> Subdevice #0: subdevice #0 >> card 2: Device [USB PnP Sound Device], device 0: USB Audio [USB Audio] >> Subdevices: 1/1 >> Subdevice #0: subdevice #0 >> >> Besides, I ran alsamixer, selected the USB card and unmuted everything. But >> then, when I try to record, no sound is recorded. I do: >> >> $ sox -t alsa hw:2,0 output.wav >> >> , or >> >> $ arecord -f S16_LE -D hw:2,0 -r 96000 test.wav >> >> , or also within Audacity. But nothing, my voice is not recorded. Please >> help whoever can. > > STFW I found some information that might be useful. > > > Here is the chip makers web site: > > https://www.cmedia.com.tw/EN/index.html > > > It looks like two versions of the chip are currently made: > > https://www.cmedia.com.tw/products/USB20_FULL_SPEED/CM108AH > > https://www.cmedia.com.tw/products/USB20_FULL_SPEED/CM108B > > > This link indicates that some version of the chip worked on some Linux > machines > at some point in time: > > https://linux-hardware.org/index.php?id=usb:0d8c-013c > > > More links: > > http://www.linux-usb.org/USB-guide/x319.html > > https://linux-hardware.org/index.php?id=usb:0d8c-013c > > > There are several links for people with Raspberry Pi boards running Raspian. > They made changes to their ALSA configuration to use a CM108 USB audio > interface. I don't know if those instructions apply to Debian. > > > Please run the following commands, and cut and past the commands and their > outputs into a reply: > > cat /etc/debian_version > > uname -a > > dmesg | grep -i cm108 -A 10 -B 10
Thanks... $ cat /etc/debian_version buster/sid $ uname -a Linux lenovo 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2 (2017-06-12) x86_64 GNU/Linux `dmesg | grep -i cm108 -A 10 -B 10' produced no output at all... Cheers, Rodolfo
