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

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5
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4answers
1k views

Tmux makes a sound when I launch it, how could I disable that?

When I launch tmux in the terminal, is causes my Linux Mint to play a sound in the speakers. The sound is a Linux Mint system sound. Perhaps it's the "alert" sound, but I cannot identify it by name. ...
1
vote
1answer
232 views

How to prevent bluetooth audio skipping with the A2DP profile on Arch Linux?

I am experiencing quite heavy audio skipping when streaming audio to my bluetooth speaker (Sony SRS-X3) using pulseaudio and Arch Linux on a T430. I think it is related to a known bug [1]. The speaker ...
1
vote
0answers
57 views

Write my own sound card driver [closed]

I would like to write my own sound card driver, in order to use my output jack as a PWM (to control a motor). When I run "lspci", the sound card is : Audio device: Intel Corporation 5 Series/3400 ...
1
vote
0answers
57 views

How to mute system sounds in LXDE

I used some guy's script to disable system beep. Now I am annoyed by sounds stored in /usr/share/sounds/freedesktop/. Zypper, however, told me that to get rid of them I would also need to uninstall ...
1
vote
1answer
22 views

Audio tone/sine generator with frequency gauge

I want to flatten frequency response of my headphones with EQ (to dramatically increase sound quality with only a bit of time), but I need tone generator for that with live manually selectable ...
1
vote
0answers
96 views

Change output (sink) using the terminal

I've made the change from Gnome to i3, and I want to be able to switch my audio output (from headphones to HDMI and vice versa) using the terminal. $ pactl list cards | grep profile Part ...
1
vote
1answer
83 views

No sound right after watching videos / using voice IP

I have a very annoying problem on my computer that I'm unable to solve. I had the same issue in two distributions, first in Ubuntu and now in Fedora. My computer used to work fine with Ubuntu, but ...
1
vote
0answers
54 views

GNU/R 'no audio drivers are available'

Error message as in title shows up in console when trying to execute play() function from audio package. I found plenty of references to this question, but link provided in the answer is dead. How to ...
1
vote
0answers
32 views

Background service to play CDs without being logged in

Before I reinvent wheel, is there currently a background service that can detect when a CD is inserted and if it is an audio CD, mount it and execute a command to play it without being logged in. ...
0
votes
1answer
34 views

Splitting a flac from a cuesheet metadata block

Some flac files apparently have a “cuesheet metadata block”. I know how to split flacs files with shnsplit when I have a separate cuesheet at hand (cf. “How do I split a flac with a cue?”), but how do ...
1
vote
0answers
22 views

NVIDIA gfx card changes from slot 1 to slot 2 in PulseAudio

In Linux Mint, I used to have problems with no sound around 50% of the time when I boot up. I found that PulseAudio was looking for my graphics card in the wrong hardware slot. I used... aplay -l ...
1
vote
2answers
542 views

No on-board sound on Dell Optiplex SX-280 post Linux Mint Petra Install

Not sure this fits in here.. We recently installed Linux Mint Petra on this small-form-factor dell desktop. The weird thing is, the sound does not work on board, but works on a speaker connected to ...
1
vote
1answer
28 views

Check whether Built-In Audio is active from different user login

In my job, I support remote employees running Linux Mint via SSH and VNC. Each employee uses a USB headset, which is the only sound device we want to be active. The sound device we need to disable ...
1
vote
0answers
40 views

pulse audio defaults soundcard speakers as headphones

Pulseaudio is defaulting my default output device as headphones from my desktop soundcard. Previously I could select headphones or speakers, but now it only says headphones. This is a problem ...
2
votes
1answer
62 views

What's the difference between Master and PCM channels in Alsa?

What is the difference between Master and PCM channels in Alsa, and which one should I manipulate for controlling the output volume? I have three sound cards (Intel PantherPoint, HRT HeadStreamer and ...
0
votes
0answers
24 views

How to broadcast voice from USB microphone to apache?

I have a webcam and a microphone. I wan't to send both, sound and video to my index.php so i can see the video from the camera and hear the sound from the microphone. I already managed to stream the ...
1
vote
1answer
97 views

Can I record sound until silence OR a maximum length of recording?

Looking at detecting sound until some silence occurs, I arrived at the command rec recording.flac rate 32k silence -l 1 0.1 3% 1 3.0 3%. I realize my specific use would be somewhat different: I do ...
0
votes
1answer
13 views

How can software that doesn't natively support JACK be made to work with it?

Audacity, for example, can be switched to JACK if needed. What about software that can't but can be switched to alsa?
1
vote
1answer
144 views

pulseaudio-equalizer keeps resetting at startup

Every time I start my laptop, pulseaudio-equalizer it's enabled. Even when I disable it (inside the app there's a button to disable it). How can I avoid that? Moreover, something is resetting my ...
1
vote
1answer
170 views

How do I configure my audio?

I have a relatively new build that I can't seem to get audio to work on. I have one card that i can see with pacmd list-cards: 1 card(s) available. index: 0 name: ...
1
vote
0answers
26 views

What's the canonical way to get individual stream size in a video file?

I have a video file. It contains a video stream, and a couple of audio and subtitle streams. I want to get the size of each of these streams. I've already looked at ffprobe/avprobe and mediainfo, ...
0
votes
2answers
79 views

No audio through either soundbar or desktop on Debian

I'm using a Debian stable box with a Dell monitor and the Dell AX510 "stereo soundbar". The "soundbar" has a large frontal speaker as well as two headphone jacks on the left. While the hardware ...
8
votes
4answers
2k views

Is there a good command line tool for converting to and from FLAC audio format?

Ideally, I want to convert from MP3 to FLAC and back. I also need to be able to script this.
1
vote
0answers
27 views

recordMyDesktop can't use jackd for audio

If I try to have recordMyDesktop (technically qt-recordMyDesktop) capture audio via jackd, when I hit record it immediately stops with the message: recordMyDesktop has exited with status: 4352 ...
0
votes
1answer
66 views

Restoring sound drivers on Debian 8

I have installed Nvidia graphic drivers for my Debian 8, but the installation contained a new sound driver, which has broken the sound on my PC. How can I uninstall the Nvidia one and restore the ...
3
votes
0answers
64 views

Linux: can't open /dev/dsp

I am getting an error while running festival on my system: linux: can,t open /dev/dsp I was searching for this error on the Internet and found this instruction: To solve this problem just write ...
0
votes
1answer
195 views

Raspberry pi hdmi audio not working

I have a raspberry pi 2 running with Ubuntu Mate. When I try to play video or audio files with omxplayer, I do not get any sound on my TV which is connected to the Pi via HDMI. If I force the Pi to ...
6
votes
2answers
1k views

Volume up/down function keys limited to gnome-volume-control “Unamplified 100%” level

Using GUI gnome-volume-control: Sound Preferences ---------------------------------------------------------------------------- Output Volume: [--------------+ ] ...
1
vote
1answer
1k views

How to get Realtek ALC887 5.1 sound detected in debian?

I have motherboard based on z170 chipset which have next string in specs: Realtek® ALC887 codec it has 5.1(3 connectors) and stereo(1 connector) connectors not counting Line In and microphone ...
2
votes
1answer
171 views

Debian 8 Gnome 3 recognizes Bluetooth speaker as input device

I'm using Debian 8 with Gnome 3 on a laptop with the bluetooth that comes with the 7260ac wifi card. 50% of the time my Bose SoundLink Mini Bluetooth speaker can connect with the laptop successfully ...
3
votes
0answers
34 views

Directing sound output for specific applications

I'm trying to direct the sound from Youtube running in Opera to my sound card's HDMI output (to a TV), but still have all other OS sounds go to my PC's "Built-in Audio Analog Stereo" playback device. ...
0
votes
1answer
2k views

How to connect to Bluetooth headset on Debian 8.1

I have a Bluetooth headset Suicen AX610. My system is Debian 8.1. I want to do run my headset, but I can't. The debian 8.1 can find the headset, But, the debian 8.1 can't pairing the headset, ...
1
vote
0answers
13 views

how to know whether a headphone is plugged in from terminal? [duplicate]

I'm looking for something like presence of a file or its content that could indicate the headphone's presence. I am working on if statement on conky with condition being presence/absence of ...
0
votes
1answer
47 views

ALSA sounds card volume range numbers, and Difference between Control Names

I'm developing my first sound card driver in Ubuntu with ALSA. Implementing a volume control for the sound card I stumbled upon a few questions. 1) For the function that is assigned to ...
0
votes
0answers
30 views

Need help configuring .asoundrc file

With a new Dell latitude E5450, I'm almost able to get the sound right. But alsamixer does not save its configuration. These commands $ sudo alsactl store $ alsactl store are no help. By ...
1
vote
0answers
84 views

FreeBSD,no sound

My speakers does not seem to work under FreeBSD 10.2-RELEASE .All drivers are loaded using kldload snd_driver. What to do? pciconf -lv: hostb0@pci0:0:0:0: class=0x060000 card=0x50001458 ...
2
votes
1answer
238 views

How to reduce size of a FLAC file without damaging its quality?

I got collection of vinyls which I paid for them to be digitized in FLAC. However my Hard Drive is getting full (91% full as of today) and the smallest of these vinyls is 2.3 GB in size! I would ...
1
vote
0answers
13 views

KDE disable sounds of desktops not being viewed

I am using Manjaro KDE desktop. I have 4 different desktop environments. I want to be able to stream a different video to each one and be able to flip through them at will. I have successfully done ...
0
votes
1answer
3k views

BeatsAudio Driver for Linux using laptop model HP Envy M6

Back when I was on Windows 8, I installed the Beats Audio driver for Windows and everything sounded so clear and beautiful. I'm running Linux now (specifically Mint) but I wouldn't know how to install ...
3
votes
1answer
275 views

How to make Alsa Loopback device to work in Puredata

I'm trying to route an audio signal from an Airplay source (with Shairport-sync) to Puredata. To do so, I created a Loopback Device in Alsa. Then I set this virtual device as Shairport's output like ...
5
votes
4answers
6k views

My audio device not working

I have been setting up a new CrunchBang Linux and my sound doesn't work. When I type lspci -v command and alplay -l command in command prompt I can see that my sound card is connected and detected. ...
1
vote
1answer
158 views

Internal speaker sound at login screen - but not after login (only external speakers work)?

Sound plays (drum roll) at login screen. In Ubuntu and Xubuntu XFCE no sound emits from the laptop speaker, but does from the external speakers. Pulseaudio panel monitor bar dances with the sound.... ...
1
vote
2answers
538 views

How to create the spectrogram of many audio files efficiently with Sox?

I have a bunch of audio files and I would like to create the spectrogram for each individual file using Sox. Usually, for a single file, I do this: sox audiofile.flac -n spectrogram However I don't ...
2
votes
1answer
79 views

USB audio adapter causes HTML5 videos in Firefox to fast forward

After changing my desktop from Arch Linux to NixOS, playing HTML5 videos in Firefox has become buggy. They will fast forward when you play them, but only when using the USB audio adapter. Pulseaudio ...
2
votes
1answer
1k views

Real-time noise cancellation

I have a very noisy heater in my apartment producing a constant whining sound between 6230 and 6280 Hz. The frequency varies but seems to fall within this range. Other apartments in my building have ...
0
votes
1answer
80 views

How to convert WMA to VORBIS or OPUS?

My girlfriend accidently bought an audio book on the internet and she saved it on my hard disk in windows media audio format (.wma) and now she asks me how to listen to it. I'm a bit puzzled this ...
2
votes
1answer
445 views

How do I create an ALSA virtual device that outputs to both HDMI and headphone jack?

I can tell my programs to output to either HDMI or the headphone jack just fine, but is there a way to create a virtual device in asound.conf that outputs to both simultaneously? This config comes ...
2
votes
0answers
144 views

Linux sound: play back audio from input only on specific output device

I currently have a shairport (AirPlay) server which receives audio data and outputs it over optical SP/DIF (Toslink) via a USB-to-Toslink adapter. This digital signal goes through an equalizer, and ...
3
votes
2answers
651 views

How to grab the audio channel from an MP4 video file into a separate audio file?

Having an MPEG4 (MP4 container, H264 AVC video, AAC audio) video clip downloaded from YouTube, how to separate its audio channel into an independent audio (without de&re-compressing the audio ...
1
vote
2answers
457 views

Unable to listen or use microphone in Skype

I installed Skype 4.3.0.37 on my machine (debian 7 64bits XFCE 4.10) and both incoming and outgoing audio is not woring. I tried the echo sound service of skype but to no success. Here my ...