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

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1
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1answer
619 views

No network in slackware

I have just installed Slackware. I am not new to Linux but new to Slackware. I wonder how to install network in it. After the Slackware installation, audio and network were not working. This is ...
7
votes
2answers
393 views

Search MP3/Ogg files by tags/parameters from the command line

Is there any utility to search MP3/Ogg files by tags (or other characteristics) from the command line? (e.g. finding all audio files longer than 10 minutes with genre set to 'Rock'). I found this, ...
2
votes
1answer
1k views

What could be causing this weird buzzing when using my usb headset for 48khz audio?

I have a Logitech USB headset ( I think it's a H330, but I don't remember the model number right). Occasionally, on Linux there would be a loud buzzing noise in the right ear that was many times ...
5
votes
3answers
8k views

No sound on speakers, headphones ok

My Laptop (Dell Vostro 3300) internal speaker (yes, it's mono) is mute already for some time, and I was just patient with this problem, because the sound quality is ridiculous anyway and I always used ...
4
votes
1answer
124 views

Play sound when connecting to network

I thought it would be fun to play a sound when connecting to a network of some sort (wireless or otherwise), kind of like the dial-up sounds of yesteryear. EDIT: Clarification: when connecting to the ...
6
votes
1answer
963 views

Is it possible the get the original (best) audio quality when using avconv?

In Feb 2011 I had a similar question: ffmpeg and libmp3lame produces bad audio quality? Now I'd like to know if it is possible to the get the original audio quality from a (flash) video? Every time I ...
0
votes
1answer
2k views

Unable to control audio volume in BackTrack5 R2

I have Backtrack5 R2, one of the several problems I have is the audio works but I cannot control the volume, it is always the same and it's very annoying. What can I do to fix this?
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. ...
5
votes
1answer
2k views

Convert audio to text

I heard about existence of some speech recognition systems, and it seems I need one of those. Basically, I have an audio file with speech (only one person is speaking most of the time), and I want to ...
3
votes
1answer
284 views

Fn+F2 does not UNMUTE

I am using Lubuntu 11.10 (original, not Ubuntu + LXDE) on a Vaio VPCEG series. After install of some network manager, my key Fn+F2 got a different function. It's printed on it the blue symbol for ...
9
votes
1answer
926 views

USB audio only outputs white noise

I am running OpenBSD/i386 5.1 on a 5 year old laptop. The speakers and headphone port work, but the headphone port is a little loose so I am trying to install an external USB sound card (Fiio E17 USB ...
1
vote
0answers
752 views

use pacmd to undo these changes to pulseaudio sink settings

Recently I discovered this question and answer on askubuntu.com which, while useful, also rendered my sound system unusable for practical purposes. The commands pactl load-module module-null-sink ...
5
votes
1answer
5k views

pipe the output of parec to sox

sox is probably the one linux program that continues to frustrate me. At the same time, I am awed by what it can do, and I'd like to get close to being fluent in it, if not mastering it. Today, I've ...
9
votes
2answers
6k views

Indicate mute/unmute with i3status

Is there a way to indicate if the sound is set to mute or not using i3status? I know how to show the volume (as explained in man i3status), but it doesn't distinguish between mute or just 0% volume.
8
votes
1answer
449 views

Is there a checklist for getting the “beep” program to work?

Debian has a program called "beep" available, that lets you make the computer beep at whatever frequency or time you want. http://packages.debian.org/wheezy/beep The problem that many people seem to ...
2
votes
0answers
239 views

Audio quality issues with mpd

I have been using mpd for a long time now and absolutely love it. However, I recently added a few video files to the mpd database. Now I understand mpd won't play the video files, I don't want it to. ...
3
votes
1answer
649 views

How can I make Debian with KDE louder?

I am running KDE in Debian Testing and I just noticed that the system is really quiet. This is my office laptop, so to be honest I turned the sound on for the first time since I got it 2 years ago. ...
12
votes
2answers
516 views

Possible to configure Login TTY over Audio device (Morse code or similar)?

One of the most miserable aspects of my day job is the need to occasionally investigate problems with machines scattered in remote locations all over the world that don't have network access to the ...
2
votes
1answer
873 views

Sound not working in Debian except in google chrome and test utilities [closed]

Yesterday, I had Archlinux on my Dell Latitude E6520 and the sound was working perfectly fine (I even had the loud beep I couldn't get rid of). Today, I installed Debian and alsa. The first surprise ...
3
votes
2answers
28k views

Getting sound working on Linux mint 13 Mate

I have just installed linux mint 13 and I haven't used linux before so I apologise upfront if this question seems basic. I am unable to hear any form of audio on file which I try to play in any ...
1
vote
2answers
394 views

Open-Source Audio Playlist 'Standard'

I know there are quite a few types of audio/music playlists out in the wild. Are there any that are specifically approved as FLOSS? That is, are there are that are particularly encouraged by the ...
1
vote
3answers
13k views

How do I enable sound in Fedora 17?

I did a minimal install of Fedora 17 some months ago and only until today did I try playing some audio with it only to find out that sound is not working. How do I get the sound to work on Fedora 17? ...
2
votes
4answers
2k views

system volume is changed when vlc volume is increased over 100%

When I increase my vlc sound more than 100% and after stoping or pausing vlc if I use clementine to play music the volume is same as vlc, i.e, more than 100% but in the indicator it shows whatever the ...
5
votes
1answer
518 views

How do I get sound to work outside lightdm

If for whatever reason I sudo stop lightdm running on mint and just use a simple xinit session with mutter, is there some way I can get sound to work? Whenever I do that, it seems there's no sound.
3
votes
0answers
819 views

Using Creative Sound Blaster on Ubuntu Server

I just got a Creative Sound Blaster for playing audio wirelessly. I connected it to a virtual version of Ubuntu desktop and just had to go into the sound settings and switch it to the USB and the ...
2
votes
1answer
4k views

ubuntu usb sound card sometimes recognized and sometimes not at boot

I have a linux ubuntu 12.04 server machine which works with an usb sound card. When rebooting the machine, sometimes the usb sound card is recognized and sometimes not, I cannot figure out a reason ...
7
votes
3answers
4k views

Disable KDE 4.7 system sounds

How to disable KDE system sounds? I mean all sounds on startup, on dialog box popup, on error and so on, without turning off the actual media sound. I use KDE 4.7.4
2
votes
4answers
4k views

mp3 extraction with avconv or ffmpeg doesn't work properly anymore

Before upgrade to the latest Ubuntu I used the following command to extract mp3 from an avi file: $ for x in *.avi; do ffmpeg -vol 100 -ab 160k -ar 44100 -i "$x" "`basename "$x" .avi`.mp3"; done ...
2
votes
1answer
636 views

Web browser hooked pulseaudio sound, how to release?

It seems that Chrome (and its Flash component) has grabbed all the audio on the machine for itself, leaving no sound for any other applications. I am running KDE with PulseAudio. Is there a way in ...
5
votes
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. ...
0
votes
0answers
998 views

ffmpeg: problems when copying the audio

When I run this ffmpeg -i video.mp4 -codec copy video.avi I get a broken audio: a crackling like a stuck LP. The input-audio is aac When I re-encode the audio like this ffmpeg -i video.mp4 -codec:v:0 ...
3
votes
2answers
2k views

Where can I find the Linux driver for headphones in the kernel tree?

I have headphones with three buttons on them which allow me to control my music player with my phone. I want to write a driver for my headphones to make it control my music player on my pc (Ubuntu ...
3
votes
4answers
1k views

Pipe system sound to another computer

I have no speakers in my PC (Cent-OS 5.5) but there is a stereo speaker connected to the computer next to my computer (also Cent-OS 5.5). Both computers are networked. Is there any way to pipe my ...
4
votes
0answers
145 views

Restricting sound control

I need to restrict users so that they cannot output sound from built-in speakers. They should plug their headphones to hear any sound. They should be able to control headphone volume level, but not ...
0
votes
0answers
383 views

Macbook pro 8,1 skype audio

I cannot seem to get skype to use my microphone on this macbook pro 8,1. I've used alsamixer to set all speaker/mic setting to unmute with max volume, nothing. (although when I set the "digital" ...
2
votes
2answers
586 views

How to burn mp3 files to an audio CD under Scientific-Linux 6.1?

It should be an easy thing.. but a strange thing happened when I tried in Brasero: "XXX.mpg is not suitable for audio or video media" I had the same problem with K3B. What package did I forget to ...
4
votes
1answer
880 views

Pulseaudio, Phonon, KDE and forwarding sound to headset

Some days ago I bought headet (Jabra BT2045) and I want to use it in Skype voicechat and for example to forward to it another sound streams from my KDE. I've successfully paired and setup as headset ...
6
votes
2answers
949 views

How to encode huge FLAC files into MP3 and other files like AAC?

My problem is very long recordings, longer than supported by WAV. I'm talking about continuous recordings of around eight hours in length. Now, I do most of my recording using sox into FLAC, which ...
1
vote
1answer
1k views

Is it possible to redirect system-beeps to the normal audio?

When I run this script I don't here any beeps - I suppose it is because there is no speaker attached to the mainboard. Is there a way to redirect this beeps to the "normal" audio? #!/usr/bin/env perl ...
4
votes
3answers
2k views

command line audio with mpg123 - how to save position in audio and begin from that location next time?

I am contemplating using mpg123 as an audiobook player. I can't find any other good audiobook players for Linux, and I think mpg123 may be my best option. My audiobooks are organized by directories ...
5
votes
4answers
5k views

Volume on Linux much lower than on Windows

I dualboot Slackware64 and Windows 7. The volume under Linux when maxed seems a lot lower than when it is maxed on Windows. My soundcard chip is Realtek ALC662. Volume is set to 100% for PCM and ...
3
votes
2answers
649 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 ...
4
votes
1answer
1k views

Finding the current speaker volume (signal strength)

I'm trying to create a widget for awesome wm that controls and monitors volume. Getting and setting the speaker volume is easy in ALSA and PulseAudio, but how about getting the actual signal ...
1
vote
0answers
339 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
106 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 ...
7
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
986 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 ...
41
votes
6answers
69k 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 ...