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Questions tagged [audio]

Questions about audio hardware and software in Linux and other UNIX operating systems.

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3 views

Port error on Ardour

I’m running Ubuntu Studio 18.10. In Ardour 5.12,.0-3. connecting to Jack, or ALSA, when I close a project then try to open another one, I get an error message that says “unable to create port: failed ...
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15 views

HSP/HFP not working

I´m trying to use my bluetooth headset on my laptop on arch. I got it connected and am able to listen to music using A2DP. But trying to use it as a headset I don´t get any input nor output working ...
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19 views

How do I get snd-usb-audio to detach from a device?

Context I'm working on a reverse-engineered controller for an Arturia AudioFuse over at https://github.com/rhofour/audiofuse-cli that uses libusb (through pyusb). I'm able to find the device, detach ...
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1answer
42 views

Tascam in Linux [closed]

I'm using Mint Cinnamon 18.3, and want to get my Tascam US 428 functioning properly in it. This site (http://hal9000.drehmoment.org/tascam/) says it can be done with ALSA-CVS which is mentioned.
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1answer
32 views

Sound on Dell XPS 9570 only works on headphones

I have a Dell XPS 15 9570 and it's great, except that no sound comes out of the speakers. Weirdly enough it works just fine out of headphones! Just the built-in speakers are the problem. Everything I ...
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14 views

Setting different per-device sampling rates in pulseaudio?

My Audio Devices Input: Logitech C310 webcam mic (16kHz) Output: Sony MBH20 Bluetooth headset (44.1kHz) in High Fidelity Playback (A2DP Sink) mode My Problem With the default PulseAudio settings, ...
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0answers
41 views

Fedora 29, Intel HD audio, no sound from speakers or headphone jack

I am using Fedora 29 and am not able to get any sound out of my machine. As far as the operating system is concerned (when using alsamixer, pavucontrol, etc.) sound should be working, nothing is muted ...
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1answer
18 views

Running LINUX Mint 18, have an spdif out sound card--no audio

BRAND NEW LINUX USER: Mint sees my digital audio out (Digital Output S/PDIF is in the "play sound through" list) when I access the sound app. I choose that option and I get the test pop up. But the ...
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10 views

How can I fix garbled sound on a Creative X-Fi card on Mint 19?

I just updated from Linux Mint (Mate, 64 bit) 18.3 to 19.1. It was a clean install from the DVD, formatted drive. The sound, both in Firefox (youtube videos, etc) and from mp3 and flac files in the ...
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6 views

Using pa_simple api efficiently [migrated]

I'm playing around with pa_simple api to get a better understanding of digital audio. I've written some code to feed custom generated audio data to the pulseaudio server: char buff[2]; while (playing)...
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18 views

Using ffmpeg to split an Audible audio-book into chapters?

I've been following this answer to use ffmpeg to convert and play some of my Audible audio-books in LinuxMint. Each book is a single source-file, but I've noticed that ffmpeg lists all the chapters ...
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0answers
26 views

Systemd service kills sound

I have a systemd service that I need started and it attaches to the sound device. The problem I’m having is that it always seems to start before sound and then once I login as a user and look at my ...
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0answers
33 views

Headphones recognised but produce no sound on antergos

Recently I installed Antergos-19.1 on my HP Omen laptop. Speakers work, but when I plug in headphones to audio jack, there no sound is produced at all. The output of the command pactl list sinks |&...
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26 views

Where can I find the scripts binded to the lower volume / increase volume and brightness media keys?

When I press the media key on my keyboard to increase the volume (or the brightness, for example) a script is run and the volume is increased as expected. Where are those scripts located in the OS? ...
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45 views

How to send sound to HDMI port in i3

In other DEs I am able to select between three different sound output media: Headphones jack Internal speakers HDMI port In i3 the sound output shifts automatically between headphones and internal ...
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1answer
15 views

Alsamixer not identifying audio output

I've map a keyboard combination to execute the command amixer sset Master 4%+ and it does nothing. I plug my headset via the jack 3.5 port and in pavucontrol/Pulseaudio I can control de volume but ...
2
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1answer
12 views

Sox format for stream with sample spec 's16le 1ch 16000Hz', channel map 'mono'

I'm trying to pipe audio to sox and I get Error "sox FAIL formats: bad input format for `-': sampling rate was not specified" parec -d alsa_output.pci-0000_00_1b.0.analog-stereo.monitor --rate=...
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0answers
34 views

Debian 9 Stretch 3.5mm jack not working

Recently, I installed Debian 9 Stretch (dual booting with windows 10 using grub). Everything works fine for now, except my headphones. The PulseAudio 'Volume Control' interface detects my headphones ...
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1answer
20 views

SoX - mixing two audio tracks but looping/repeating only one

I have two audio-files and want to mix them with SoX using the -m, --combine mix option. Both files have the same bpm, but not the same length, meaning I need to loop one file, but not the other. ...
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1answer
19 views

Loop audio file from the command line (gapless) or into new file

The only command line solution for gapless playback I found so far (working with ALSA and JACK) is moc (»music on console«). While I'm still searching for a simpler way I was wondering if it is ...
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0answers
34 views

audio not working on debian stretch

I'm running debian stretch on sony VPCSA36GG and the audio mostly doesnt work. It would randomly start working on restarting the laptop (its rare tho). Note that I had the same problem when I has ...
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19 views

gst123 - select alsa device for playback with external USB soundcard

I'm truing to get my audio played back by an external USB device, using the GStreamer based command line media player gst123 which comes with the option: -a, --audio-output=<driver>[=<dev>...
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0answers
15 views

Possible bad install of alsamixer utility

Kernel version: 2.6.35.14 running (embedded) on an ARM MCIMX51. The system is rather outdated and old (ASoC). I am getting odd behavior with sound. I already defaulted asound config file (asound.play) ...
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37 views

Alsamixer-Equalizer with Kodi, HifiberryAmp+ and Raspi does not work

I am using a Raspberry Pi with Kodi and a HifiBerry Amp+ as a stereo. Everything works great so far, but I am lacking the possibility to use an equalizer to adjust bass and treble. I want to use ...
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0answers
64 views

No Sound Through HDMI

The problem I have is there is no sound on the HDMI port. I get video, but no sound. aplay -l **** List of PLAYBACK Hardware Devices **** card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0] ...
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1answer
24 views

Microphone not showing up in Audacity

The mic is visible in "PulseAudio volume control". It is not muted and volume is at 100%. I can see it picks sounds. It is also visible in arecord: $ arecord -l | tail -n 3 card 3: Microphone [Trust ...
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21 views

Noise in beginning of alsa application

I have ALSA driver for capture device which works fine with VLC. when I try to capture and render using own application having some issues. Issue is:When I start play, it has some noise in beginning ...
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0answers
16 views

Gstreamer - problem with mkv playback and jack

I use gst123 as my regular audio and video player. I'm now using a Saffire 6 USB interface, which works out of the box using jack so I select jack as audio-output device with the -a option like this: ...
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1answer
28 views

ALSA behaviour on stereo mic during process suspend

Goal Suspend a Python process listening to pcm.record_right (for Google-Assistant) Continue using pcm.record_left in a different python process (for Snowboy hotword detection) Use Case I want to ...
3
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1answer
49 views

PulseAudio: How to determine native sample rates and bit depths, supported by hardware?

I want to set maximum sampling rate and bit depth supported by my hardware (Intel HDA). How to know the values? I need this information because I want to avoid unnecessary resampling.
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1answer
414 views

How to recover a broken mp4 file: moov atom not found

I made a recording with ffmpeg -f alsa -ac 2 -i plughw:0,0 /tmp/audio.mp4 I then moved /tmp/audio.mp4 to another directory (/root/audio.mp4) without stopping ffmpeg leading to a broken .mp4 file: ...
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0answers
21 views

Ffmpeg volume detection

I know that ffmpeg has volume detection functionality. Now I'm searching for a way to capture microphone audio and listen constantly without saving any files if there is a volume below my threshold. ...
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1answer
28 views

ALSA Check if spdif plugged in / active

Is there any way in alsa / libasound to check whether the SPDIF In actually has a device connected? I'm currently using a Raspberry Pi with an USB sound card to merge the audio from my PC coming in ...
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1answer
37 views

Exporting $PULSE_SERVER at start up

In order to run flatpak applications (like Discord or Spotify) I currently have to export the $PUSLE_SERVER in my ~/.zshrc or ~/.bashrc like so: export PULSE_SERVER=unix:/tmp/pulse-PKdhtXMmr18n/...
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2answers
105 views

Setting up Ardour/JACK on Mint/Ubuntu

Full context I would like to set up Ardour and mess around a bit on a keyboard-as-in-music which I got a while ago, turned out not to need, but couldn't return. When I try to start Ardour, with a new ...
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0answers
35 views

No sound in Debian 9 for most of the start ups of the system (sound card is recognized)

I installed Debian 9 64-bit a couple days ago in a Compaq Presario desktop. Everything was going ok until I found that there was no sound. Initially this was solved with a reboot. Unfortunately in ...
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0answers
111 views

Fedora 29 no sound from a generic usb headset

I bought a generic usb headset (Generic USB PnP Sound Device), it has been detected by the system, I am using Plasma KDE by the way, but it worked for me once and for about a second and then nothing. ...
2
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0answers
29 views

Use audio output USB device

I have a Roland TD-30 drum connected using USB to my computer. The USB device support MIDI and audio input/output. Currently Linux does see the USB card. aplay -l shows: kaart 2: TD30 [TD-30], ...
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0answers
23 views

Does VLC supports changing audio samplerate using GUI option in ubuntu

I would like to change audio sample rate in VLC GUI option. Audio samplerate can be 32000Hz,44100Hz, 48000Hz and 96000Hz.These sample rate will be generated by the capture device ( capture device ...
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0answers
59 views

What is the proper way to declare the built-in microphone as mono?

I had some strange issues with the built-in microphone on a Lenovo IdeaPad 310-15IKB laptop under Linux Mint 19.1. For example, it was not working with Skype, but was working with Gnome Sound ...
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0answers
194 views

Required plugin could not be found (audio/x-gst-fourcc-mp3_decoder)

I've been using the latest Linux Mint 19 (Mate, 64-bit) and I've got a video file that can be played fine with VLC, but, if I try to reencode it with handbrake, I can't get the audio.  So I tried a ...
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0answers
11 views

Set order of sound cards when BOTH use the same driver?

I have the problem where my two sound cards boot in random order, which defeats all efforts at configuring the sound in a way that would work every time. I have seen solutions that rely on a ...
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0answers
19 views

Silence when capturing microphone with either arecord or sax

I am trying to run the following commands sox -t alsa default output.wav and arecord output.wav and arecord -f dat -r 60000 -D hw:0,0 -d 5 output.wav In all cases I am getting silent WAV. I ...
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11 views

Is my Speechmatic USB MultiAdapter recognized by the kernel?

Alsamixer shows my Speechmatic, but it doesn't work in any application. I have .asoundrc set to device 1, and it works with other USB sound cards, like my Logitech, but not this one. I think I have ...
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0answers
61 views

Input sound of a specific application and microphone from USB headset into Discord using PulseAudio

I would like to know how to use PulseAudio to set my input into Discord as both a specific application as well as my USB headset's mic. I can't simply input all internal sound because then I send back ...
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0answers
22 views

Debian: Noice on AUX devices

Everytime I restart my notebook, an annoying noise starts. The solution I found here is to execute the next command after Debian starts: sudo modprobe snd-hda-intel But this solution doesn't work ...
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1answer
45 views

Alsa and alsactl: init, store and default configuration of control file

The target kernel is: 2.6.35.14 (old) and its running on an embedded platform and the codec is a wm8753. I am trying to understand how the alsactl system works. I found a file asound.play @ etc/alsa ...
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1answer
74 views

Sound stopped working on Debian

I've been using debian 9 from sometime, it's been good. But suddenly audio has stopped working. I used headphones, and after that it has stopped working. It is showing popular "Dummy Output" for ...
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0answers
39 views

PopOS - Headphones making Heart Beat sound while plugged in

Since this morning my headphones have been making a "Heart Beat" thumping noise while plugged in. No sound plays through them. Sound plays normally through laptop speakers. I am running Pop!_OS ...
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1answer
33 views

Debian 9. Sound works only ~17sec

I have Debian 9 with Gnome on my Asus A52JT laptop. Sound works well in headphones, but in speakers only first ~17 seconds ~$ uname -a 4.9.0-8-amd64 #1 SMP Debian 4.9.130-2 (2018-10-27) x86_64 GNU/...