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

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123 views

How to disable a usb sound device with udev

How can I disable USB device by Vendor ID? So I have: [root@piotr ~]# lsusb Bus 001 Device 002: ID 058f:9254 Alcor Micro Corp. Hub Bus 001 Device 003: ID 0d8c:000c C-Media Electronics, Inc. Audio ...
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1answer
429 views

After upgrading the kernel, the sound no longer works

I have updated the Linux kernel on my system to Linux 3.11-2-amd64 #1 SMP Debian 3.11.10-1 (2013-12-04) x86_64 GNU/Linux. Having done that, the sound no longer works. Distribution Info(cat ...
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0answers
105 views

How do I make Wheezy see my sound card?

I'm working on a relatively clean install of Wheezy - relatively as I installed it today and have been installing packages for quite some time. I previously had Ubuntu which played sounds, so it's not ...
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1answer
246 views

How do I enable sound in this fresh Arch install?

I'm following the Arch Beginner's Guide, here: https://wiki.archlinux.org/index.php/Beginners%27_Guide I have Arch running. Now I'm working on the post-installation instructions, one of the first ...
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1answer
112 views

Every few minutes sound is reset

I'm running Debian testing and I have a script that sets the volume of speakers on startup that looks like this: amixer -c 0 set Surround 50% > /dev/null & amixer -c 0 set Center 100% > ...
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1answer
144 views

How to handle live audio input, process, and redirect to audio output

I'm wondering how I can get audio input from a jack, process it sample by sample, then send the processed sample to an audio output jack. My plan is to run this on a raspberry pi with a USB soundcard ...
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0answers
65 views

Lock all devices when adjusting pulseaudio volume in kmix

My problem is that kmix adjusts the volumes of not all devices locked together. Adjusting built-in analog stereo also adjusts application's equalized stream and ALSA plugin. But webcam and event ...
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1answer
729 views

How to troubleshoot No Sound on CentOS 6.4 w/ USB headset?

Have a new Dell machine with a fresh install of CentOS 6.4. I have a headset hooked up via USB, but no sound. I'm not sure CentOS is recognizing my sound card -- or maybe it's not recognizing the ...
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92 views

Fix sound stuttering from snd-hda-intel

When I play mp3s on my openSUSE 12.3 (x586) Compal JFL92 laptop with codec Realtek ALC268 and sound driver snd-hda-intel the sound will skip forward and backwards a few times every minute at random ...
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1answer
236 views

Get the current volume level in OS X Terminal CLI?

I would like to check the current volume level from the CLI on my Mac. I know I can set it like this: osascript -e 'set volume <N>' But that doesn't seem to work when trying to get the ...
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1answer
133 views

GStreamer and sample rate conversion

I have a soundcard that is only partially supported in Alsa, i.e. playback is only working in 48 kHz. Most of my audio files are in 44.1 kHz, and I would like to use Exaile as my audio player, as it ...
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268 views

Internal Microphone Not Working When Running elementary OS on Galago UltraPro

I am running elementary OS on a Galago UltraPro laptop. Originally, some of the hardware was not working because elementary uses the Ubuntu 12.04 kernel and the Galago UltraPro uses the relatively new ...
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0answers
54 views

Sound stutters during moderate disk access?

I'm running Xubuntu 13.10 "Saucy Salamander." It's a pretty recent install. I'm playing music over a bluetooth usb dongle on a home theater system. All of my sound goes through pulseaudio. I've ...
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36 views

Headset not working in OpenSUSE

When I plugin my headset into my computer, running OpenSUSE, I do not get any audio. The regular speakers work fine. The reason this is happening, I think, is because it still tries to output through ...
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496 views

headphone/Microphone is not workingLinux mint 15

I was using windows and my headphone and speaker was working fine there. Recently I moved to linux mint and having problem to get sound on headphone. Speaker still working fine. I have tried several ...
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1answer
233 views

timidity: No instrument mapped to tone bank 0, no idea which one is missing

I am trying to play this midi file downloaded from here, but I get: $ timidity --verbose marivonnig1\ \(1\).mid Requested buffer size 32768, fragment size 8192 ALSA pcm 'default' set buffer size ...
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3answers
279 views

avconv creates creates files whose duration is incorrect

I am attempting to create a variable rate mp3 from a flac using the following command: avconv -i t.flac -id3v2_version 3 -vn -acodec libmp3lame -aq 0 t.mp3 avconv and mediainfo both list the ...
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1answer
52 views

No sound since I first pressed “mute” on my keyboard

I have a problem with sound. I once pressed the mute button on my keyboard and since then I couldn't do anything to get the sound back on my headphones (obviously, including pressing mute again). I ...
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0answers
109 views

Gnome can't open Sound Mixer - No volume control GStreamer plugins and/or devices found

I'm trying to get sound output working on a VPS, but whenever I'm trying to open the gnome sound control panel as non-root, I'm getting the error "No volume control GStreamer plugins and/or devices ...
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1answer
455 views

How do I resolve the garbled sound in Debian?

I just recently installed Debian 7 Wheezy with KDE and once I turn on the computer, the start-up sound is garbled. The closest description I can think of is that the sound coming out is somehow ...
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1answer
62 views

How to use OSLEC with Alsa as default, not with Pulseaudio or other thirdparty package involved?

Oslec Echo canceller I have seen some packages used OSLEC and there echo cancle was very well. So for a test simulation, how could i install the OSLEC only with Alsa (i do not use PulseAudio at all, ...
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255 views

How to turn off internal laptop speakers when external speakers / headphones are connected in Elementary OS?

In the eOS settings I see no option to make internal speakers turn off when the external jack is connected.
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68 views

Playing music or video under Ubuntu crashes programs [on hold]

I found out something was wrong when I was trying to watch YouTube videos, Firefox would freeze up. This too happened with chrome, but then just the tab crashed. So I looked up some fixes, I tried ...
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94 views

Archlinux mute sound in browser only

Is there a way how to mute all sounds in browser only? I need it to be done from command line. I'm currently using alsa mixer for mute (command amixer set Master toggle), but I can't find any way how ...
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1answer
200 views

Alsa & JACK - card and device names (different naming conventions)

I am a bit confused about audio device names. If I use command aplay -l i get the list of all audio devices on my system: **** List of PLAYBACK Hardware Devices **** card 0: NVidia [HDA NVidia], ...
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81 views

Desktop audio falls behind when recording microphone + desktop audio + screen using ffmpeg

I have put together this script for recording the microphone, the desktop audio and the screen using ffmpeg: DATE=`which date` RESO=2560x1440 FPS=30 PRESET=ultrafast DIRECTORY=$HOME/Video/ ...
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77 views

Switching output sink/moving audio streams - but some apps still use the old sink!

I'd like to easily switch between a usb-connected amplifier/dac and my onboard audio. I'm using a fully updated Arch Linux x64 with PulseAudio 4.0-2. Another thread on this board is about switching ...
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3answers
288 views

Extract audio from video in Linux with a GUI program?

When I use Thunar I like adding to custom actions command lines like those presented here, here and here to extract audio from videos. I mean without transcoding/altering the sound, just putting it ...
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1answer
92 views

How can I disable the shutter sound of gnome-screenshot?

After a recent update of my LMDE, the gnome-screenshot tool started making an annoying camera shutter noise every time a screenshot is taken. This is both annoying and startling (especially if you ...
2
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1answer
450 views

Disable Cinnamon volume applet's sound when changing volume

I recently updated my Linux Mint Debian Edition to update pack 7. Since then, every time I change the volume by scrolling on the volume applet that is on my panel, an annoying beep is played. Similar ...
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51 views

Reassigning input connectors for HDA ATI SB (Intel HDA / Realtek ALC883) soundcard

My soundcard has three input connectors at the back: green, orange and black. Usually I have them connected with my front, read and subwoofer speakers. Sometimes though I want to reassign them to be ...
2
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1answer
365 views

Alsa - how can i tell my default audio output is card 2 and device 0, not hdmi?

how can i tell my system default sound output is card 2 and device 0 not card 2 device 3 or 7 or 1? I did this but no sound. $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Device ...
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1answer
162 views

Alsaaudio module, recording for specific amount of time

The below code records the audio for some time (I don't know how much) How to calculate the total time of its recording? For example, if I want to record for just one minute then how would I limit ...
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1answer
371 views

Fedora 19 using KDE - Phonon cannot switch to hdmi audio device 7

I have an issue with HDMI sound. I recently upgraded to Fedora 19 (clean install) but this issue exsists on F18 too. I have Intel DQ67SW motherboard with integrated audio/video and ASUS-NVidia GT220 ...
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0answers
322 views

Why does skype not pick up my microphone?

I've got skype running (32 bit mode) on Slackware64 — the sound is fine but my mic is not able to be detected. KMIX shows that my mic is enabled, and I can hear myself when I test it. Some ...
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1answer
149 views

Pulseaudio over network - change output on-the-fly

I successfully configured PulseAudio server and client to send audio over network. It uses direct connection: http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Network/#index1h2 ...
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90 views

Why doesn't my udev rule work?

I created a file /etc/udev/rules.d/60.alsa.rules with the following content: KERNEL=="0000:00:1b.0", SUBSYSTEM=="pci", ATTR{label}=="Realtek High Definition Audio Device", ATTR{vendor}=="0x8086", ...
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1answer
156 views

Separate speakers and headphones output

I have a PC with builtin soundcard, and it has one output for the speakers (behind the computer) and one for the headphones (on the front side). When I play something, the sound goes to both outputs. ...
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33 views

How can I stub out an audio interface in jack?

I've got a Tascam US-800 8-in/4-out audio interface that I use to record into Ardour. The setup is great, but I like to do my mastering and mixdowns elsewhere and I always have to drag around the ...
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1answer
1k views

Ideas how to get my usb audio interface to work with Linux?

PulseAudio does not appear to recognize the Focusrite Scarlett 6i6 USB audio interface. The 2i2, however, is properly recognized and it works as expected. I can't seem to get the 6i6 to work on the ...
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1answer
47 views

What program reads and executes /usr/share/alsa/alsa.conf and related scripts?

I can't find any kind of daemon application for modern ALSA. I wonder, what process or kernel thread reads /usr/share/alsa/alsa.conf and other configuration files under /usr/share/alsa, when it reads ...
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1answer
405 views

how to use avconv to record streaming audio (how to define sources)?

I have never used avconv before. I've been reading the manual and asking questions on various forums and IRC for the last couple weeks but I have not found an answer yet. (This question is one part of ...
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1answer
2k views

ALSA: how to temporarily change the output device

I want to do a simplest thing possible in ALSA: to have USB-headphones produce sound instead of internal speaker of my tablet. I don't want to change config files such as asound.rc or alsa.conf or ...
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1answer
345 views

audio recording - record two sources simultaneously, merge into a single 2-track recording

How can I record two audio sources at the same time and create a file where one source is the left channel and the other source is the right channel of a lossless stereo audio recording? My distro ...
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0answers
1k views

Problems with sound in Linux Mint 15 on video

Problem: I think you'll enjoy this fun problem. I set-up a dev/media server. Steps to reproduce: Start up any video file (with Banshee or VLC or xfce player - doesn't matter) -- all is well. Sound ...
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1answer
246 views

record audio on Linux - capture both sides of a VoIP conversation

I want to use Audacity (or similar) to record audio for podcasting. The podcasts will be interviews conducted via voice-over-IP (SIP) telephone. I came across an excellent tutorial here: ...
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1answer
1k views

Using FFMPEG to stream to Twitch.tv with desktop audio?

I've been trying for the last hour or so to stream to Twitch.tv with desktop audio in the stream. Currently, I'm able to use this to get a video to display on Twitch: #! /bin/bash INRES="1280x800" ...
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1answer
148 views

Applications grabing ALSA exlusively

So, my second question about linux audio on the site. The previous one generated quite a lot introductory information. I have ALSA and PulseAudio installed. Before installing PulseAudio, no audio ...
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1answer
208 views

Alsaequal volume gain, Pre-Amp like

I use alsaequal for equalize my audio, hitherto ok, but all know that after equalizer the volume is low, some equalizers have a control called "Pre-AMP" that solve this problem, but in Alsaequal ...
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3answers
3k views

How I can record stream radio in Linux?

How can I record a radio stream in Linux like the screamer in Windows? Does anyone have any idea or suggestion?