Webcam - no sound Solved

Question

Hello, I got a webcam Bus 002 Device 007: ID 145f:0142 Trust WB-6250X Webcam which is supposed to work directly. The video is fine, but I can't get any sound. I tried cheese, camera, and guvcview, fiddled with all the options in pavucontrol and alsamixer, nothing to do (yes, yes, I checked that it's not muted) The webcam does have a functional microphone (works on Win), but webcam test sites (whether on Win or Linux (in this case Linux Mint)) tell me "none" for the mic. The strange thing: the LED lights up on Win but not on Linux. I'm looking for additional leads.

Panth33ra · Answer

Good evening, This is your webcam... https://www.01net.com/tests/trust-wb-6250x-usb2-webcam-live-fiche-technique-4979.html Try updating the driver... https://www.nodevice.fr/drivers/web-cam-webcam/trust/wb-6250x

Bruno83200_6929 · Answer

Hello, Here are three commands to run in a terminal; run each one to test, and then give me the three results: Check the USB structure of the webcam:  lsusb -v -d 145f:0142   What I will look for: If an audio interface exists (bInterfaceClass 1 Audio). The exact type of audio device (UAC1, UAC2, or other). If there is a “Vendor Specific” → indicating a proprietary protocol.  See if ALSA detects the mic as a recording device:  arecord -l   What I will look for: Presence of a USB audio card linked to your webcam. Its card number and device number (useful for testing with arecord). Check the kernel logs on connection:  dmesg | tail -n 50  What I will look for: If snd-usb-audio is loaded. If there are errors like cannot get freq or unknown format. If the kernel completely ignores the audio interface. When you give me the 3 outputs, I will be able to tell you: If your microphone is standard and just wrongly activated, or if Trust uses an unsupported format under Linux. I await your return, and I will give you a response. ????

La_quiche · Answer

And lsmod for the modules, you never know:  Module                  Size  Used by uvcvideo              147456  0 uvc                    12288  1 uvcvideo videobuf2_v4l2         36864  1 uvcvideo snd_seq_dummy          12288  0 snd_hrtimer            12288  1 ccm                    20480  6 qrtr                   53248  2 ip6t_REJECT            12288  1 nf_reject_ipv6         24576  1 ip6t_REJECT xt_hl                  12288  22 ip6t_rt                16384  3 ipt_REJECT             12288  1 nf_reject_ipv4         12288  1 ipt_REJECT xt_LOG                 16384  10 nf_log_syslog          20480  10 nft_limit              16384  13 xt_limit               12288  0 xt_addrtype            12288  4 xt_tcpudp              16384  60 xt_conntrack           12288  16 nf_conntrack          196608  1 xt_conntrack nf_defrag_ipv6         24576  1 nf_conntrack nf_defrag_ipv4         12288  1 nf_conntrack nft_compat             20480  117 nf_tables             376832  642 nft_compat,nft_limit 8188eu               1630208  0 binfmt_misc            24576  1 snd_hda_codec_hdmi     94208  1 snd_soc_avs           188416  0 nls_iso8859_1          12288  1 snd_soc_hda_codec      24576  1 snd_soc_avs snd_hda_ext_core       32768  2 snd_soc_avs,snd_soc_hda_codec snd_soc_core          442368  2 snd_soc_avs,snd_soc_hda_codec snd_hda_codec_realtek   200704  1 snd_compress           28672  2 snd_soc_avs,snd_soc_core ac97_bus               12288  1 snd_soc_core snd_pcm_dmaengine      16384  1 snd_soc_core snd_hda_codec_generic   122880  1 snd_hda_codec_realtek rtl8xxxu              290816  0 intel_rapl_msr         20480  0 snd_hda_intel          61440  1 intel_rapl_common      40960  1 intel_rapl_msr snd_intel_dspcfg       36864  2 snd_soc_avs,snd_hda_intel videobuf2_vmalloc      20480  3 uvcvideo snd_intel_sdw_acpi     16384  1 snd_intel_dspcfg snd_hda_codec         204800  6 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_codec_realtek snd_usb_audio         512000  1 mac80211             1744896  1 rtl8xxxu snd_hda_core          139264  8 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek snd_usbmidi_lib        53248  1 snd_usb_audio videobuf2_memops       16384  1 videobuf2_vmalloc intel_tcc_cooling  12288  0 snd_ump                45056  1 snd_usb_audio snd_hwdep              20480  2 snd_usb_audio,snd_hda_codec i915                 4288512  16 x86_pkg_temp_thermal    20480  0 cfg80211             1355776  3 8188eu,mac80211,rtl8xxxu videodev              352256  2 videobuf2_v4l2,uvcvideo snd_pcm               192512  9 snd_soc_avs,snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_compress,snd_soc_core,snd_hda_core,snd_pcm_dmaengine intel_powerclamp       24576  0 joydev                 32768  0 input_leds             12288  0 coretemp               24576  0 videobuf2_common       81920  4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops mc                     81920  5 videodev,snd_usb_audio,videobuf2_v4l2,uvcvideo,videobuf2_common libarc4                12288  1 mac80211 drm_buddy              20480  1 i915 rapl                   20480  0 ttm                   110592  1 i915 mei_pxp                16384  0 mei_hdcp               28672  0 drm_display_helper    237568  1 i915 mei_me                 53248  2 snd_seq_midi           24576  0 snd_seq_midi_event     16384  1 snd_seq_midi mei                   172032  5 mei_hdcp,mei_pxp,mei_me snd_rawmidi            57344  3 snd_seq_midi,snd_usbmidi_lib,snd_ump intel_cstate           24576  0 snd_seq               118784  9 snd_seq_midi,snd_seq_midi_event,snd_seq_dummy cec                    94208  2 drm_display_helper,i915 rc_core                73728  1 cec ee1004                 16384  0 i2c_algo_bit           16384  1 i915 snd_seq_device         16384  4 snd_seq,snd_seq_midi,snd_ump,snd_rawmidi snd_timer              49152  3 snd_seq,snd_hrtimer,snd_pcm hp_wmi                 36864  0 i2c_i801               36864  0 sparse_keymap          12288  1 hp_wmi i2c_smbus              16384  1 i2c_i801 snd                   143360  22 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_ump,snd_pcm,snd_rawmidi soundcore              16384  1 snd platform_profile       12288  1 hp_wmi intel_pch_thermal      20480  0 serio_raw              20480  0 wmi_bmof               12288  0 acpi_pad              184320  0 intel_pmc_core        118784  0 intel_vsec             20480  1 intel_pmc_core pmt_telemetry          16384  1 intel_pmc_core mac_hid                12288  0 pmt_class              12288  1 pmt_telemetry tpm_infineon           16384  0 sch_fq_codel           24576  2 msr                    12288  0 parport_pc             53248  0 ppdev                  24576  0 lp                     28672  0 parport                73728  3 parport_pc,lp,ppdev efi_pstore             12288  0 nfnetlink              20480  3 nft_compat,nf_tables dmi_sysfs              24576  0 ip_tables              32768  0 x_tables               65536  11 xt_conntrack,nft_compat,xt_LOG,xt_tcpudp,xt_addrtype,ip6t_rt,ipt_REJECT,ip_tables,xt_limit,xt_hl,ip6t_REJECT autofs4                57344  2 btrfs                2043904  0 blake2b_generic        24576  0 raid10                 73728  0 raid456               196608  0 async_raid6_recov      20480  1 raid456 async_memcpy           16384  2 raid456,async_raid6_recov async_pq               20480  2 raid456,async_raid6_recov async_xor              16384  3 async_pq,raid456,async_raid6_recov async_tx               16384  5 async_pq,async_memcpy,async_xor,raid456,async_raid6_recov xor                    20480  2 async_xor,btrfs raid6_pq              126976  4 async_pq,btrfs,raid456,async_raid6_recov libcrc32c              12288  4 nf_conntrack,btrfs,nf_tables,raid456 raid1                  57344  0 raid0                  24576  0 dm_mirror              24576  0 dm_region_hash         24576  1 dm_mirror dm_log                 20480  2 dm_region_hash,dm_mirror crct10dif_pclmul       12288  1 crc32_pclmul           12288  0 hid_generic            12288  0 usbhid                 77824  0 hid                   180224  2 usbhid,hid_generic polyval_generic        12288  0 ghash_clmulni_intel    16384  0 sha256_ssse3           32768  0 sha1_ssse3             32768  0 psmouse               217088  0 video                  77824  1 i915 r8169                 118784  0 xhci_pci               24576  0 ahci                   49152  2 realtek                36864  1 libahci                53248  1 ahci xhci_pci_renesas       20480  1 xhci_pci wmi                    28672  3 hp_wmi,video,wmi_bmof aesni_intel           356352  4 crypto_simd            16384  1 aesni_intel cryptd                 24576  2 crypto_simd,ghash_clmulni_intel

La_quiche · Answer

kaddour@Titine:~$ arecord -l  **** List of CAPTURE hardware devices **** card 0 : PCH [HDA Intel PCH], device 0 : ALC221 Analog [ALC221 Analog]   Sub-devices : 1/1   Sub-device #0 : subdevice #0 card 0 : PCH [HDA Intel PCH], device 2 : ALC221 Alt Analog [ALC221 Alt Analog]   Sub-devices : 1/1   Sub-device #0 : subdevice #0 card 1 : Webcam [Trust WB-6250X Webcam], device 0 : USB Audio [USB Audio]   Sub-devices : 1/1   Sub-device #0 : subdevice #0

La_quiche · Answer

dmesg | tail -n 50    [ 7609.358404] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:08:00 SRC=192.168.1.254 DST=192.168.1.173 LEN=1305 TOS=0x00 PREC=0x00 TTL=64 ID=49714 DF PROTO=UDP SPT=3702 DPT=39189 LEN=1285  [ 7609.364330] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:86:dd SRC=2a01:0e0a:01ac:0ae0:0000:0000:0000:0001 DST=2a01:0e0a:01ac:0ae0:6be7:72e2:c149:6177 LEN=1339 TC=0 HOPLIMIT=64 FLOWLBL=768100 PROTO=UDP SPT=3702 DPT=58378 LEN=1299  [ 7615.553572] usb 1-8: nouvel appareil USB haute vitesse numéro 7 utilisant xhci_hcd [ 7615.708934] usb 1-8: Nouvel appareil USB trouvé, idVendor=145f, idProduct=0142, bcdDevice= 1.00 [ 7615.708951] usb 1-8: Nouvelles chaînes de l'appareil USB: Mfr=2, Produit=1, Numéro de série=0 [ 7615.708959] usb 1-8: Produit: Trust WB-6250X Webcam [ 7615.708964] usb 1-8: Fabricant:    [ 7615.742380] usb 1-8: 3:1: impossible d'obtenir la fréquence à ep 0x84 [ 7615.751416] usb 1-8: Avertissement! Plage de volume difficilement crédible (=3328), cval->res est probablement erroné. [ 7615.751420] usb 1-8: [2] FU [Volume de capture du microphone] ch = 1, val = 4608/7936/1 [ 7615.782175] usb 1-8: Appareil UVC 1.00 trouvé Trust WB-6250X Webcam (145f:0142) [ 7615.809411] input: Trust WB-6250X Webcam: Trust WB en tant que /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/input/input20 [ 7615.810755] usbcore: nouvel pilote d'interface enregistré uvcvideo [ 7615.913777] usb 1-8: 3:1: impossible d'obtenir la fréquence à ep 0x84 [ 7615.943815] usb 1-8: 3:1: impossible d'obtenir la fréquence à ep 0x84 [ 7616.193972] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=2a01:0e0a:01ac:0ae0:5e8e:e3dd:fc65:c6b6 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=545855 PROTO=UDP SPT=42287 DPT=3702 LEN=615  [ 7616.194034] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=2a01:0e0a:01ac:0ae0:6be7:72e2:c149:6177 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=639151 PROTO=UDP SPT=40216 DPT=3702 LEN=615  [ 7616.194101] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=192.168.1.173 DST=239.255.255.250 LEN=635 TOS=0x00 PREC=0x00 TTL=1 ID=64815 DF PROTO=UDP SPT=42825 DPT=3702 LEN=615  [ 7616.194160] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=fe80:0000:0000:0000:26fc:477a:ffd5:9641 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=879886 PROTO=UDP SPT=55476 DPT=3702 LEN=615  [ 7616.281778] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:86:dd SRC=fe80:0000:0000:0000:2266:cf13:375d:6a05 DST=fe80:0000:0000:0000:26fc:477a:ffd5:9641 LEN=1339 TC=0 HOPLIMIT=64 FLOWLBL=656152 PROTO=UDP SPT=3702 DPT=55476 LEN=1299  [ 7616.445415] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:08:00 SRC=192.168.1.254 DST=192.168.1.173 LEN=1305 TOS=0x00 PREC=0x00 TTL=64 ID=50333 DF PROTO=UDP SPT=3702 DPT=42825 LEN=1285  [ 8338.926742] workqueue: delayed_fput a utilisé le CPU pendant >10000us 4 fois, envisagez de passer à WQ_UNBOUND [ 8344.915650] workqueue: delayed_fput a utilisé le CPU pendant >10000us 8 fois, envisagez de passer à WQ_UNBOUND [16114.249679] usb 1-8: déconnexion USB, appareil numéro 7 [16114.654386] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=2a01:0e0a:01ac:0ae0:5e8e:e3dd:fc65:c6b6 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=547183 PROTO=UDP SPT=49869 DPT=3702 LEN=615  [16114.654450] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=2a01:0e0a:01ac:0ae0:6be7:72e2:c149:6177 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=601334 PROTO=UDP SPT=51749 DPT=3702 LEN=615  [16114.654508] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=192.168.1.173 DST=239.255.255.250 LEN=635 TOS=0x00 PREC=0x00 TTL=1 ID=16834 DF PROTO=UDP SPT=35980 DPT=3702 LEN=615  [16114.654565] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=fe80:0000:0000:0000:26fc:477a:ffd5:9641 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=1028789 PROTO=UDP SPT=46466 DPT=3702 LEN=615  [16114.719119] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:08:00 SRC=192.168.1.254 DST=192.168.1.173 LEN=1305 TOS=0x00 PREC=0x00 TTL=64 ID=44402 DF PROTO=UDP SPT=3702 DPT=35980 LEN=1285  [16114.734445] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:86:dd SRC=fe80:0000:0000:0000:2266:cf13:375d:6a05 DST=fe80:0000:0000:0000:26fc:477a:ffd5:9641 LEN=1339 TC=0 HOPLIMIT=64 FLOWLBL=787092 PROTO=UDP SPT=3702 DPT=46466 LEN=1299  [16114.782311] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:86:dd SRC=2a01:0e0a:01ac:0ae0:0000:0000:0000:0001 DST=2a01:0e0a:01ac:0ae0:5e8e:e3dd:fc65:c6b6 LEN=1339 TC=0 HOPLIMIT=64 FLOWLBL=715154 PROTO=UDP SPT=3702 DPT=49869 LEN=1299  [16114.836962] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:86:dd SRC=2a01:0e0a:01ac:0ae0:0000:0000:0000:0001 DST=2a01:0e0a:01ac:0ae0:6be7:72e2:c149:6177 LEN=1339 TC=0 HOPLIMIT=64 FLOWLBL=407751 PROTO=UDP SPT=3702 DPT=51749 LEN=1299  [16117.174356] usb 1-8: nouvel appareil USB haute vitesse numéro 8 utilisant xhci_hcd [16117.329081] usb 1-8: Nouvel appareil USB trouvé, idVendor=145f, idProduct=0142, bcdDevice= 1.00 [16117.329098] usb 1-8: Nouvelles chaînes de l'appareil USB: Mfr=2, Produit=1, Numéro de série=0 [16117.329105] usb 1-8: Produit: Trust WB-6250X Webcam [16117.329111] usb 1-8: Fabricant:    [16117.336769] usb 1-8: Appareil UVC 1.00 trouvé Trust WB-6250X Webcam (145f:0142) [16117.361231] input: Trust WB-6250X Webcam: Trust WB en tant que /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/input/input21 [16117.391034] usb 1-8: 3:1: impossible d'obtenir la fréquence à ep 0x84 [16117.399593] usb 1-8: Avertissement! Plage de volume difficilement crédible (=3328), cval->res est probablement erroné. [16117.399598] usb 1-8: [2] FU [Volume de capture du microphone] ch = 1, val = 4608/7936/1 [16117.605056] usb 1-8: 3:1: impossible d'obtenir la fréquence à ep 0x84 [16117.634901] usb 1-8: 3:1: impossible d'obtenir la fréquence à ep 0x84 [16117.795549] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=2a01:0e0a:01ac:0ae0:5e8e:e3dd:fc65:c6b6 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=178356 PROTO=UDP SPT=36724 DPT=3702 LEN=615  [16117.795612] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=2a01:0e0a:01ac:0ae0:6be7:72e2:c149:6177 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=178172 PROTO=UDP SPT=55845 DPT=3702 LEN=615  [16117.795669] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=192.168.1.173 DST=239.255.255.250 LEN=635 TOS=0x00 PREC=0x00 TTL=1 ID=18126 DF PROTO=UDP SPT=55541 DPT=3702 LEN=615  [16117.795726] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC= SRC=fe80:0000:0000:0000:26fc:477a:ffd5:9641 DST=ff02:0000:0000:0000:0000:0000:0000:000c LEN=655 TC=0 HOPLIMIT=1 FLOWLBL=611981 PROTO=UDP SPT=56277 DPT=3702 LEN=615  [16117.871687] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:86:dd SRC=2a01:0e0a:01ac:0ae0:0000:0000:0000:0001 DST=2a01:0e0a:01ac:0ae0:5e8e:e3dd:fc65:c6b6 LEN=1339 TC=0 HOPLIMIT=64 FLOWLBL=835869 PROTO=UDP SPT=3702 DPT=36724 LEN=1299  [16118.001727] [UFW BLOQUÉ] IN=wlxac15a2f5e250 OUT= MAC=ac:15:a2:f5:e2:50:20:66:cf:5d:6a:05:08:00 SRC=192.168.1.254 DST=192.168.1.173 LEN=1305 TOS=0x00 PREC=0x00 TTL=64 ID=44706 DF PROTO=UDP SPT=3702 DPT=55541 LEN=1285

Bruno83200_6929 · Answer

Hello, In light of all this, I've prepared a script for you to install everything you need, detect your USB webcam microphone, configure it as default in ALSA + PulseAudio, correct the frequency, and open the graphical interface so you can test it immediately. Create the script file: nano fix_mic_auto.sh (paste the content below, then Ctrl+O, Enter, Ctrl+X) #!/bin/bash echo "=== ???? Automatic USB microphone configuration ===" # 1. Install necessary tools echo "???? Installing ALSA & PulseAudio tools..." sudo apt update -y sudo apt install -y alsa-utils pulseaudio pavucontrol # 2. Automatic detection of USB microphone SRC=$(pactl list sources short | grep -i 'usb' | awk '{print $2}') if [ -z "$SRC" ]; then echo "❌ No USB microphone detected in PulseAudio." echo "Make sure it is plugged in and then restart the script." exit 1 fi echo "???? Microphone detected: $SRC" # 3. Quick recording test (3 sec) echo "???? Recording test..." arecord -D hw:1,0 -f S16_LE -c1 -r16000 /tmp/test.wav & PID=$! sleep 3 && kill $PID echo "???? Playing the test..." aplay /tmp/test.wav # 4. ALSA config (~/.asoundrc) echo "???? Configuring ALSA..." cat < ~/.asoundrc pcm.webcam_mic { type hw card 1 device 0 } pcm.!default { type plug slave { pcm "webcam_mic" rate 16000 channels 1 format S16_LE } } EOF # 5. PulseAudio config (~/.config/pulse/default.pa) echo "???? Configuring PulseAudio..." mkdir -p ~/.config/pulse cp /etc/pulse/default.pa ~/.config/pulse/default.pa 2>/dev/null grep -q "set-default-source $SRC" ~/.config/pulse/default.pa || \ echo "set-default-source $SRC" >> ~/.config/pulse/default.pa # 6. Restart PulseAudio echo "♻️ Restarting PulseAudio..." pulseaudio -k pulseaudio --start # 7. Opening the graphical interface echo "✅ Configuration complete." echo "???? pavucontrol will open: 'Input' tab to check that your USB microphone is active." pavucontrol & Make it executable: chmod +x fix_mic_auto.sh Run it: ./fix_mic_auto.sh This script: Installs alsa-utils, pulseaudio, pavucontrol Automatically detects your USB webcam microphone Configures ALSA and PulseAudio Restarts PulseAudio Opens pavucontrol for direct testing

La_quiche · Answer

Thank you for the script, but it doesn't work any better. I'm copying and pasting the script results:  kaddour@Titine:~$ ./fix_mic_auto.sh === ???? Automatic USB microphone configuration === ???? Installing ALSA & PulseAudio tools... [sudo] kaddour's password:        Hit:1 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble InRelease Fetching:2 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates InRelease [126 kB] Fetching:3 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB] Fetching:4 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-backports InRelease [126 kB] Ign:5 https://mirror.cyberbits.eu/linuxmint/packages xia InRelease           Hit:6 https://ppa.launchpadcontent.net/kelebek333/kablosuz/ubuntu noble InRelease Hit:7 https://mirror.cyberbits.eu/linuxmint/packages xia Release Fetching:8 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/main amd64 Packages [1 315 kB] Fetching:9 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages [1 056 kB] Fetching:11 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/main i386 Packages [506 kB] Fetching:12 http://security.ubuntu.com/ubuntu noble-security/main i386 Packages [316 kB] Fetching:13 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/main amd64 Components [164 kB] Fetching:14 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/restricted amd64 Components [212 B] Fetching:15 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/universe amd64 Packages [1 120 kB] Fetching:16 http://security.ubuntu.com/ubuntu noble-security/main amd64 Components [21.5 kB] Fetching:17 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Components [208 B] Fetching:18 http://security.ubuntu.com/ubuntu noble-security/universe i386 Packages [543 kB] Fetching:19 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages [878 kB] Fetching:20 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/universe i386 Packages [677 kB] Fetching:21 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Components [52.2 kB] Fetching:22 http://security.ubuntu.com/ubuntu noble-security/multiverse amd64 Components [208 B] Fetching:23 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/universe amd64 Components [377 kB] Fetching:24 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-updates/multiverse amd64 Components [940 B] Fetching:25 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-backports/main amd64 Components [7 076 B] Fetching:26 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-backports/restricted amd64 Components [216 B] Fetching:27 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-backports/universe amd64 Components [30.8 kB] Fetching:28 http://distrib-coffee.ipsl.jussieu.fr/pub/linux/ubuntu noble-backports/multiverse amd64 Components [212 B] 7 445 kB received in 2s (3 436 kB/s) Reading package lists... Done Building dependency tree... Done Reading state information... Done      All packages are up to date. Reading package lists... Done Building dependency tree... Done Reading state information... Done      alsa-utils is already the newest version (1.2.9-1ubuntu5). pulseaudio is already the newest version (1:16.1+dfsg1-2ubuntu10.1). pavucontrol is already the newest version (5.0-2build3). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. ???? Micro detected: alsa_input.usb-_Trust_WB-6250X_Webcam-02.mono-fallback ???? Recording test... Capturing WAVE '/tmp/test.wav': Signed 16 bit Little Endian, Frequency 16000 Hz, Mono ???? Playing back the test... Interrupted by signal Completed... Playing WAVE '/tmp/test.wav': Signed 16 bit Little Endian, Frequency 16000 Hz, Mono ???? ALSA configuration... ???? PulseAudio configuration... ♻️ Restarting PulseAudio... E: [pulseaudio] main.c: Unable to kill daemon: No process with that ID ✅ Configuration complete. ???? pavucontrol will open: 'Input' tab to check that your USB microphone is active. I manually restarted pulseaudio (pidof pulseaudio + kill -9 pulseaudio) to be sure. However, during playback, I hear noise.

Bruno83200_6929 · Answer

I think it's a frequency problem, I don't really know what else to say! Especially if you hear a hissing sound. It's complex!

La_quiche · Answer

I have the idea that there is basically a story about recording/amplification levels. I have the same issue on another PC with a multi-effect pedal that serves as a sound card. There's sound being sent/read/recorded but we can't hear a thing. Is there an equivalent of jmeters (which works with jack), but for the entire sound system? Thank you

Bruno83200_6929 · Answer

Hello, Personally, I know Carla. Carla is an audio plugin host that works with JACK, ALSA, and PulseAudio. It can integrate audio level measurement plugins (such as meters or spectrum analyzers) to monitor audio streams.  Advantages: Very flexible, as it supports a wide range of plugins (LADSPA, LV2, VST).  Can be used to monitor both JACK and non-JACK streams via bridges. Suitable for professional environments.  Limitations: More complex configuration than jmeters.  Requires knowledge to integrate the right measurement plugins.  Installation: Available in Linux repositories or through sources like KXStudio.

La_quiche · Answer

Thank you.

mamiemando · Answer

Hello, For me, you shouldn't look on the webcam software side, but rather on the pulseaudio side and everything that is "underneath" (alsa, webcam driver, etc.). 1) Check if your microphone is recognized by alsamixer. In a terminal, run:  alsamixer then press F5 to see all the sliders and F6 to select different sound cards. Does the microphone appear there? If not, you may need to install a specific driver. Note that the status of the LED doesn’t necessarily impact functionality; it depends on how the driver is implemented: a device can work perfectly without the LED being properly managed. 2) If yes, check if your microphone is recognized by pulseaudio or pipewire (its replacement) with the command pactl (not pacmd, which is specific to pulseaudio):  pactl list sources 3) Finally, check in your sound applet or in pavucontrol that the volume of this source is high enough and is not muted. You can adjust this with the crossed-out speaker icon. Since this icon isn't very clear, to know if the microphone is active, just look at the padlock icon next to it: if this icon is clickable, the microphone is not muted.  pavucontrol & Try to see if you are using the correct microphone. 4) If the problem persists, it would be interesting to see if you can get another microphone to work. Good luck

La_quiche · Answer

I just realized that I haven't finished my final response. I couldn't get the webcam to work, but I got a batch (it came from the local recycling center) and another one worked. Thank you.

Webcam - no sound

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