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

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0answers
338 views

No sound with fresh Kubuntu install

I've just taken the plunge and installed Kubuntu as my main desktop env but I can't get the sound to work, and was wondering if anyone would be so kind as to help me work out what the problem is. I ...
3
votes
1answer
97 views

How do I prevent a program from playing sound?

I have a program which does not have an option to disable sound. I could mute the computer globally, but there are other programs for which I do want sound. Is there any way to locally disable sound? ...
1
vote
1answer
3k views

Activating Audio System in Arch Linux

I wanted to get the audio system going on Arch Linux, and I followed the very concise instruction I found on Archlinux.org, but it didn't help. Has anyone done this personally, therefore knowing the ...
3
votes
1answer
2k views

Command line audio - piping for simultaneous playback and recording

I am trying to generate sound data, convert it and store it to a WAV format. I'm almost there - except I'd like to hear the generated sound "while" it is being "recorded". This command line just ...
6
votes
1answer
1k views

playing a sound/notification in finch over ssh on my local machine

So I have finch, a command line chat client (think pidgin) running on a remote machine that I ssh into. finch has notification sounds and can run a command when certain events occur, letting you pass ...
5
votes
1answer
950 views

ALSA dummy device - how to configure?

I am working on an audio stream between two virtual servers. For that, I have set up a dummy soundcard (as the vservers don't have a hw card) using modprobe snd-dummy. That seems to work fine - I am ...
36
votes
5answers
62k views

Set volume from terminal

Is it possible to set the audio volume using the terminal?, instead of clicking the speaker icon in the topbar, the reason I want need to do this is because my keyboard does not have a volume ...
1
vote
1answer
484 views

Have working headphone controller under Linux?

I have headphones with a controller (+/- volume, play/pause). They work when using an iPad. My question is if it's possible to make it work under Fedora 16 (using GNOME 3)? I assume some drivers ...
1
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1answer
2k views

No sound in USB headphones using fedora 16

The volume control buttons on the usb headphone work, they can increment or decrement the system sound. However the headphone have no sound. How to make it work? kernel 3.2, pusleaudio is used by ...
3
votes
3answers
1k views

FreeBSD 9 Sound Driver

I installed FreeBSD 9. I'm trying to make a sound to work but no luck. My Sound Card: Realtek ALC898 Can someone help me how to make it to work (I'm creating custom kernel)? Base on FreeBSD ...
8
votes
1answer
7k views

How to check why sound over HDMI doesn't work

I installed Gentoo clean on my system, except my /home but I deleted all hidden folders that might have an impact on sound (.mplayer .pulse* .config .esd_auth and more) and with a fresh user adduser ...
6
votes
3answers
18k views

How do I display the name of my audio card driver from the command line in Lubuntu 11.10?

I am running Lubuntu 11.10 and I want to display my Audio / Sound Card Driver from the command line.
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votes
1answer
1k views

G722 in gstreamer is not available or its need to be activated? How do i do that?

Gstreamer how to use G.722 enc and dec? Is this not available or missing in there implementation? $ gst-inspect | grep ffmpeg ffmpeg: ffaudioresample: FFMPEG Audio resampling element ffmpeg: ...
3
votes
1answer
3k views

Sound volume control does not work in Ubuntu

My sound volume control does not work when I'm logged in with my regular user, though the sound works correctly. What's weirder is that the sound control works when I'm logged in as guest. With my ...
5
votes
2answers
915 views

Linux support for RTP-MIDI?

I have been spoiled by the ease with which I can connect my iPad up to MIDI applications on my Macbook using the native support for midi-over-the-network (apparently RTP-MIDI) provided by the CoreMIDI ...
3
votes
2answers
2k views

Recording audio output

I've been following these instructions for recording the output of a program I wrote (that uses rtaudio to synthesize music) ...
0
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2answers
843 views

What Linux distro is good for music and well supported?

I'm pretty disappointed with Ubuntu. It's never been easy to sort out the mess that is Alsa / Jack / whatever and have it work with Pd, Supercollider, Ardour, Lillypad. I've upgraded to the latest ...
1
vote
2answers
3k views

pulseaudio suddenly stopped working?

I am using arch linux and i was using pulseaudio suddenly today pulseaudio stopped working and no sound is coming in both my speaker and headphone. I can see pulseaudio is running properly and I am ...
1
vote
1answer
505 views

How to demux audio and know what type it is?

How to demuxed audio and know what type it is? When muxing an audio into a video, ffmpeg, mencoder, etc require to know what the audio's encoding is. The encoder typically uses the file name's ...
1
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1answer
1k views

gnome 3 system sounds not working

On my System (Debian Wheezy x64, Gnome 3) I don't have any system sounds. Other audio is working well. When I go to settings > Audio > Sounds (hope it is called like this in english) as normal user, ...
2
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0answers
212 views

Music Server for WLAN-Speakers [closed]

There are several systems with WLAN-Speakers for sale. Most of them consist of several Boxes with WLAN-Recievers and a WLAN-Router/Storage-Device to spread the sound information. The WLAN-Speakers ...
2
votes
1answer
192 views

How do I run Gnome 3 sound control from KDE?

Skype is using pulse audio, which is part of Gnome and the main place I found to configure microphones was in the standard Gnome sound control. How can I configure the microphones from KDE?
0
votes
1answer
126 views

Applying an IO redirection&audio device example in Fedora

Here is an example I saw in a webpage which uses IO redirection to make the audio device make sound. less sound.wav > /dev/audio But I cannot do it in Fedora. It outputs the input data format is ...
2
votes
0answers
6k views

No sound with Mint 12 and Realtek ALC892

Installed Mint 11 last week and I've got no sound. I've read around, went through the trouble shooters. Poked and prodded. Still no sound. It worked right out of the install with this hard ware in ...
2
votes
1answer
334 views

Extract pitch information from audio file

Is there a command-line utility which would allow me to extract pitch information from an audio file and store it in a numerical form (i.e. as a list of comma-separated values)?
0
votes
0answers
1k views

How to make front audio jack work again after waking up from suspend?

Sometimes, after I wake up from suspend (using pm-suspend), the front audio jack stops working (no sound) after I wake up my laptop. Only after a full reboot I get it to work again. My laptop is an ...
3
votes
2answers
1k views

How do I know if my microphone is mute or unmute when I have more than one microphone?

How do I find out if my microphone is muted or unmuted, when I have more than one microphone such as Motherboard, USB and HDMI? 1) I can't find it with this: $ cat /proc/asound/cards 0 [PCH ...
4
votes
2answers
471 views

Ubuntu 11.10 with gnome shell - suspend wake up sound

I would like to be able to enable some sound file to play whenever I suspend and wake up my netbook (MSI Wind u100) but I can't found a way to do this in gnome shell. I'm using PinguyOS 11.10, which ...
5
votes
3answers
10k views

What and how is the encoding of a raw (headerless) audio file?

I have done this: me@riverbrain:~/sgf$ echo "test" | text2wave -otype raw -F 16000 >> test.raw which produced a headerless audio file. The wonderful thing about this file is that it can be ...
16
votes
4answers
8k views

Detecting headphone connection/disconnection in Linux

I am trying to detect a signal when a headphone is connected or disconnected from the system. What is the best way to do this? If there is a special board with drivers, that will be my preferred ...
1
vote
0answers
769 views

Why is this ALSA configuration file preventing aplay and arecord from listing PCM devices?

In my embedded system I have this configuration file in /etc/asound.conf: pcm_slave.sl2 { pcm "hw:0,0" rate 48000 channels 2 format S16_LE } pcm.rate_convert { ...
3
votes
1answer
1k views

How to remotely turn “up” sounds?

So I have to Skype with someone, but he is not...well let's just say not a "geek", so I have to log in via SSH to his Fedora machine, and turn on sound [because he can't hear me when using Skype, but ...
4
votes
1answer
957 views

VLC surround to stereo problem

I noticed a problem with certain video files where speech volume component is just too low. I googled a bit and it seems that the problem is that it tries to play surround sound on stereo speakers and ...
3
votes
3answers
3k views

Speakers make popping sound when on battery power. What should I do?

I am running Linux Mint 11 on my notebook, which is basically a variation of Ubuntu. I have been hearing a popping noise in the speakers ever since I installed the OS, but just now realizing that the ...
2
votes
1answer
178 views

How can the log-in screen sound of linux mint 11 be changed?

How can I customize the sound that occurs when the log-in screen pops up on linux mint 11?
3
votes
1answer
523 views

Audio file as an audio input device

I want to play an audio file over VoIP in order that people can listen to it with a phone call. One way to do this would be to set up the audio file as an audio device where the audio starts playing ...
5
votes
1answer
2k views

Samson Meteor Mic under Linux/ALSA [closed]

Has anybody gotten a Samson Meteor Mic working under Linux/ALSA? I tried to google it but I found no mention of Samson Meteor under Linux at all. Kernel/ALSA/Audacity see the device. Unfortunately I ...
3
votes
1answer
848 views

FLAC correctness using MD5 placed in STREAMINFO

I know from [Sources], that FLAC computes CRC and MD5. What I am afraid that flac --test only does CRC test - as stated in man flac : same as -d except no decoded file is written . How to check flac ...
5
votes
2answers
2k views

How can I create a direct 8khz audio pipe in Ubuntu?

I'm interested in creating musical programs like these: http://www.youtube.com/watch?v=GtQdIYUtAHg&feature=player_embedded Essentially these programs just generate sequences of integers, which ...
4
votes
3answers
9k views

amixer - How to change recording channel?

So fat, I am setting up microphone settings : $ amixer set 'Rear Mic' 90% mute cap $ amixer set 'Rear Mic Boost' 80% But, after some sys. update, my default recoding chanell changed to 'Front Mic' ...
4
votes
2answers
994 views

No sound on Ubuntu 11.04

I have a problem on my notebook (MSI E-620) running Ubuntu Natty Narwhal x86. When I installed it there was just output, when I plugged my headphones in. The speakers in my notebook do not play ...
1
vote
1answer
185 views

Audio stopped working in Xine in Debian

Recently sound stopped working in all the Xine-based applications. I get the error: the audio device is unavailable. I am using latest Debian Testing with KDE. I haven't been fiddling with the ...
19
votes
2answers
41k views

How to use command line to change volume?

I am trying to control the volume using my programming script. How can I do the following in Fedora 15, Ubuntu linux? Mute/ Unmute Volume up and volume down Note: Please note that I use a web USB ...
3
votes
2answers
1k views

Is there a linux distro that uses Jack audio server all the time?

By this I mean a distro that does not use pulse audio at all. So when you are runing programs like miro or mumbles you do not lose audio playback becuase Jack took over the audio stack.
2
votes
1answer
999 views

Debian linux installation cannot play sound

I am trying to get my Linux installation to play musix. I have debian linux. The contents of /etc/debian_version are: 6.0.2 I cannot seem to get any sound to play from my speakers and after looking ...
2
votes
2answers
1k views

Streaming all local audio to Icecast Server

Does anyone know if it's possible to stream all audio on a computer to a local icecast server. I was able to stream individual files using ices2 but not all audio generated from my computer. Any ...
2
votes
1answer
2k views

How to turn microphone jack to headphones jack?

I've picked out my headphones jack. Can i change my microphone jack to headphones jack only by soundsystem configuration? My soundcard is Intel82801I (ICH9 Family) HD.
4
votes
1answer
685 views

Why is vlc not syncing audio and video correctly?

max@linux-vwzy:~> vlc --version VLC media player 1.1.11 The Luggage (revision exported) VLC version 1.1.11 The Luggage (exported) Compiled by abuild on messiah (Aug 17 2011 15:23:16) Compiler: gcc ...
6
votes
2answers
1k views

Automatic Volume settings?

When I watch a Movie on my Desktop PC - Fedora 14 - In many times the Movie is too quiet to hear, but sometimes....it's too loud - Because there's suddenly music, or an explosion, that's really ...
4
votes
2answers
892 views

Output sound by writing to /dev/dsp

I know that it is possible to write arbitrary data into /dev/dsp and a noise will come up from the speakers. But whatever data I pass to this file the noise is the same. I wonder is it possible to ...