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

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Streaming audio from a web interface

What I Want To Do Allow anyone with the public IP for my EC2 Instance to browse and listen to a collection of radio programs I record live. Requirements All setup possible through CLI (since the ...
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7 views

Parrot Security OS Does Not Play Sound? [on hold]

I use a distro of Linux called Parrot Security OS. I have recently noticed that the sound on it refuses to play in any sort of way. I have tired muting then un-muting. I have used the advanced ...
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18 views

No sound on detected headphones (arch)

alsamixer and pavucontrol shows everything is detected and unmuted. The speaker on my Laptop are working, only the headphones are detected and on mute or unmute I hear a short crack and nothing ...
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1answer
19 views

Generating a long sound file with SOX without actually playing the tone

I know how to play a tone for a specific amount of time using SOX. play -n synth 5 sin 347 I know how to save a tone using SOX. sox -n note.mp3 synth 5 sin 347 Question is : How can I save a ...
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1answer
21 views

How to remove the APE tag in an MP3 file?

An MP3 file can support three different types of tags (that I am aware of): ID3V1, ID3V2.4 and APE. I would like to know how to remove an APE tag in an MP3 file or files, since it is giving me ...
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1answer
20 views

no game sounds with XFCE and pulseaudio

Since recently I have sound problems ingame but now I have no ingame sounds can someone help me? Which info should I provide? EDIT: For saved videos the same.
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19 views

Why can't I edit the tags of some mp3 files?

I am having this weird problem while trying to edit the tags of my music library: I modify them with EasyTAG and there seems to be no problem (VLC recognizes the changes I make), but I then transfer ...
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26 views

How to setup “Creative Sound Core 3D” on Debian Jessie correctly?

I justed installed Debian Jessie and was happy to see (or hear) that my Creative Sound Core 3D (as onboard chip on my Gigabyte GA-X99-Gaming 7 WIFI mainboard) worked out of the box when trying to play ...
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11 views

How can I synchronise kmix and alsamixer volumes at maximum?

Occasionally, I can increase kmix's volume to its maximum (using the volume hotkeys), but the sound is still very quiet. I can open up alsamixer, and see Master at ~8%, even though kmix's volume is ...
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8 views

Intel HDI Sound (ThinkPad X60) not working without display manager

My sound works out of the box under Fedora 20 as long as I use lightdm. But I don't want to use any display manager -- if I use X, I start dwm manually. Unfortunately, the Intel HDI driver (Model ...
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14 views

How should can I set up a machine dedicated only to running ZynAddSubFx syntheziser?

I'd like to set up a Linux machine dedicated only to run the soft synth ZynAddSubFx or Yoshimi (and receive midi data for ditto). The synth should start automatically when I switch on the power. I'd ...
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1answer
16 views

Detect when audio card is powered (using alsa)

How can I detect in a script if my audio card is being powered? Motivation: I have a Linux mini computer (Odroid U3), used as a music player. And I want to power on a connected amplifier only when ...
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13 views

No more notification sounds

Since a couple of days, my system has taken to no longer playing notification sounds. And I don't know what I changed to make that happen. (My gut feeling says: "but I didn't change anything!", but ...
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1answer
22 views

bdl_pos_adj: set IRQ timing workaround for hda-intel

I get following errors in my logs: kernel: snd_hda_intel 0000:00:1b.0: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj Google found some old posts here and ...
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2answers
37 views

Audio cd doesn't play

I'm trying to play an audio CD in Debian but each time I insert the CD, while there appears an icon with the CD in the screen, when I try opening it I get the message: Failed to mount "Audio CD". ...
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1answer
18 views

Create SOX batch script to extract first 15 seconds and rename multiple files in folder

I have a folder with several MP3 files that I need to extract 10-15 seconds of audio from. I would also like to rename these by appending sample-(name).mp3 to the converted files. How can I do this ...
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9 views

Is it possible to have a separate audio for selected application with PulseAudio?

Currently I have single audio card (actually it is part of motherboard). I have installed PulseAudio, Skype, and other software. What I would like to do is buying second audio card (because I suspect ...
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19 views

Awful sound through speakers in Elementary OS

I just recently installed Elementary OS Freya on my Alienware 14, double booting with Windows 8.1, but I've come against a new problem, the sound that comes out the speakers is just awful, just too ...
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1answer
33 views

How do I check if sound card is in use and, if possible, which process is using it?

I want to know if a program is using my sound card without my knowledge. I thought about building a program that uses low-level device driver code to do the trick, but am now interested in seeing if I ...
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12 views

Ubuntu Studio problem with WINEASIO: Press play - Nothing happens

I have managed to install WINEASIO on my ubuntu-studio 14 , it finally appeared under the ASIO list in both Reaper and Ableton 9, running on play on linux. Both are 32bit. qjackctl seems to be running ...
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17 views

Playing sound through /dev/dsp?

I have a USB soundcard attached to my Raspberry Pi. I used the command: sudo modprobe snd_pcm_oss which created /dev/dsp and /dev/dsp1. /dsp corresponds to the internal soundcard whereas /dsp1 ...
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1answer
41 views

How to detect peaks in audio file?

Given a several minute Wave file with short clicking sounds at semi regular intervals, how would I go about getting millisecond timestamps for each of the clicks? I'm trying to verify the accuracy of ...
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24 views

Sound output changing automatically

I'm trying to solve this problem for days. When I'm listening loud(around 100%) music, system is changing output device from Analog Output to Headphones output. Headphones output is not even available ...
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1answer
18 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 ...
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36 views

avconv: remove audio stream, keep audio and video synchronized

I have an AVI file with one video and three audio streams. I would like to discard two of the audio streams, keeping only one. I tried to do so using avconv (v11.3-6): avconv -i in.avi -map 0:0 -map ...
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1answer
25 views

How to burn lossless music to a CD?

I have a bunch of lossless files (.flac and .ape) that I would like to burn on a CD to listen to on any standard CD player (in my old car's for example), but I am unsure how to do it. Specifically I ...
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19 views

How to switch off my laptop speaker when headphones is plugged

I've Kubutu 15.04 then KDE Plasma 5 and my laptop speaker doesn't switch off when headphones is plugged. Here my alsamixer snaptshot: My laptop is a ASUS N550L My sound card I found with lspci: ...
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1answer
40 views

Disable beep/chime in Secure Shell in Chrome OS

How do I disable the beep/bell sound that is emitted in Secure Shell in Chrome OS? When certain commands fail, such as pressing backspace on an empty command line or on a failing tab autocompletion, I ...
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23 views

What are XRuns?

I have read about them several times and encounter them myself when setting the buffer size too low in jack or quitting audio applications. Nobody ever explains though what XRuns are. Can someone ...
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0answers
18 views

amixer: Mixer hw:0 load error: Invalid argument

Everytime i start my debian7, the error message pop out: amixer: Mixer hw:0 load error: Invalid argument root@localhost:~# lspci |grep -i audio 00:1b.0 Audio device: Intel Corporation NM10/ICH7 ...
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0answers
21 views

urxvt- play mp3 instead of beep

Does anyone know how to make urxvt play a mp3 file in replacement of a system beep? My PC does not have a pc speaker so I need a way to make terminal notifications go through sound card.
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44 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 ...
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14 views

Can I create a buffer file with arecord?

I need to record some sounds from my audiocard to make a stream(Nothing special in this just trying new things), but I can't make the arecord play direct on it, so can I create a buffer file where the ...
2
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1answer
39 views

Embedded Linux USB Audio Issue

I have a Corewind WiFiG25 board based on the AT91SAMG25 400 MHz following Arm processor running Linux 3.6.9 built using Buildroot. I am attempting to play mp3 files using mpg123 connected to an ALSA ...
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15 views

Why does qjackctl come up with gray windows, no GUI?

I ran qjackctl a while ago. The window came up gray, no GUI controls. I tried killing it, and using xkill. It went away, but ps still shows qjackctl. About fifteen of them! For I had attempted to ...
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1answer
73 views

Sound problem (chipset ALC280 and kernel 3.2.0-4-amd64)

I recently installed Debian Wheezy and sound doesn't work (glitches/distortions). Output of lspci -v | grep -A 6 Audio: 00:1b.0 Audio device: Intel Corporation Wellsburg HD Audio Controller (rev 05) ...
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35 views

No sound with audio jack

I am using a Debian wheezy on Netbook eeepc 1001px After last kernel update When I plug the audio jack, I can here the electric charge but no sound when I remove it the internal speaker works ...
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23 views

Debian ARM on SG2 no audio

I started using Debian Linux Deploy on my Android. Communicates via VNC. I have a problem when running audio file with mplayer. Got the following error: roott@localhost:/home# mplayer ...
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1answer
26 views

Plug dmix into JACK

There are several guides of how to use JACK with ALSA dmix plugin, like this and this. All of them suggest to route the JACK output through dmix, which causes a latency to the jackified programs. To ...
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1answer
88 views

How can I use ALSA dmix and multi plugins together?

I'm playing with a console sound visualiser which wants its own ALSA device to listen on. I'm editing ~/.asoundrc. I know I'll need the multi plugin to split the sound data onto separate devices. ...
3
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0answers
28 views

End recording once silence is detected

I've been using something like this up to now: End sox recording once silence is detected But now I'd like for the audio source and recording mechanism to be separate. I can get the source as an ...
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1answer
19 views

Alsamixer has extra things that won't go away

While trying to put a "pre-amp" slider into Alsamixer, using /etc/asound.conf, I managed to get it wrong several times. Each time I changed something in /etc/asound.conf and restarting ALSA, I wound ...
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35 views

Share alsa capture device with alsaloop

I'm trying to 'share' the microphone input such that programs can have access to it. Initial naive attempt. In one terminal: alsaloop -C hw:1,0 -P hw:0,0 -t 500 -c1 -A 5 -T-1 --resample -v In ...
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1answer
43 views

how do applications communicate via sockets

On my computer audio works sometimes and sometimes not. I want to troubleshoot this. First I verified I am using pulseaudio. I did this by strace'ing the pulseaudio process: [pid 2289] send(28, ...
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1answer
97 views

Is there any sound enhancer/equalizer for Linuxes that are not Ubuntu?

I am looking for a systemwide audio equalizer for Debian, Gentoo or Red Hat Enterprise Linux, i.e. an audio equalizer that filters the entire signal that is sent to the audio chipset, something ...
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88 views

How to use sox or ffmpeg to detect silence intervals in a long audio file and replace them by zeros (aka suppress background noise)?

I have a long audio file that was created by concatenating many short files. I would like to detect silence between the speech segments (just a threshold is enough for my purposes) and replace them by ...
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172 views

Sound is not working in Ubuntu 14.04: suddenly stopped

The sound suddenly stopped working in my Ubuntu, so I googled and followed this link but it doesn’t work to me. Output of aplay -l: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA ...
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1answer
125 views

Issues with arecord command

I'm having some mixed results with the arecord command in the terminal. The hardware I'm using consists of the Cirrus Audio Card for the Raspberry Pi. I'm trying to record a 24-bit 192kHz sound (from ...
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52 views

Fedora - Integrated microphone not working

I just installed a fresh Fedora 21, my system is now up to date. Now, my problem is that my integrated microphone is not working. I tried several different fixes that doesn't work (install and ...
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1answer
40 views

Change audio volume on the right device

I'm trying to change the master output volume of my USB DAC (PCM 2704). When doing aplay -L I get: null Discard all samples (playback) or generate zero samples (capture) default:CARD=ALSA ...