Tagged Questions

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

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1
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2answers
65 views

How to autoplay ogg stream at startup of Debian

I am programming a Rasberry to Pi to become a radio player. It is meant to be used to play the local college radio in the student union hangout. INPUT: Power is turn on. OUTPUT: Audio is played ...
1
vote
0answers
146 views

ALSAEQUAL runs, but sliders do not seem to affect audio

I want to have an equalizer that lets me easily adjust sound for listening to music on my laptop with headphones. I'm trying to install ALSAEQUAL since it seems that this is the preferred tool for ...
1
vote
2answers
79 views

free video editing software for Linux with audio tracks auto matching

I have a few video files which basically cover the same action from different perspectives. I would like to merge them into one "split-screen" kind of video (two or four panes). The problem is videos ...
33
votes
1answer
2k views

redirect sound (microphone) via ssh, how to telephone via ssh?

How can I redirect the microphone of one computer to listen to it on another computer via ssh? Which is the right device or which is the right command line? Some years ago it was easy and fun to ...
1
vote
2answers
1k views

How to remote Linux desktop with audio support

I have a Debian PC (Server) and I would like to remote this machine from one client (Windows, Ubuntu,..) and be able to hear the sound from the server. I tried some tools (Radmin, RealVNC, but I ...
2
votes
1answer
69 views

Setting maximum volume

I usually work in a WM (i.e., i3wm) and use alsamixer to adjust sound volume. The recent Linux installation on a Dell t5500 machine gives a very loud sound when set the maximum volume in alsamixer. ...
0
votes
0answers
319 views

Auto-detect headphone jack

I am using ALSA on Arch Linux on a MacBook Air 5,2 (mid 2012). This is my first time using alsa by itself (without any tools that come with gnome), so I may have not configured something in order to ...
0
votes
2answers
282 views

How do I capture audio from interactive webpages using VLC?

I'm trying to capture an audio video feed (screen-cast) from my web browser and all screen-casting options I tried have the same issue: No sound is captured Platform I'm using a near default ...
7
votes
3answers
3k views

Microphone - static background noise suppression on Linux

My soundcard is Realtek ALC 892. On Windows 7 I use official Realtek drivers, on Linux I use PulseAudio (on Ubuntu 13.10). On both Windows and Linux, when I enable microphone boost +30db (required ...
1
vote
1answer
26 views

Utility to tag regions of audio files

For example, say I have a recording with lots of noise and people speaking, I'd like to tag areas where people are speaking with a 1, and by default everywhere else is 0. Then save this file ...
0
votes
1answer
75 views

Digital audio between Intel Atom E640 and ADAU1445

Background information: I have a ADAU1445 DSP from Analog Devices connected to multiple audio sources through the Serial Input pairs. One of these sources is an Intel Atom E640 processor running ...
0
votes
1answer
116 views

Does WINE support .wma playback through MCI?

This application (zip file) extracts .wma file but fails to play it under WINE. I have installed Windows Media Player 10 and it is able to play this embedded audio file under WINE, but it could use ...
1
vote
1answer
309 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 ...
3
votes
0answers
473 views

How to set up AMD Cayman/Antilles HDMI Audio (Radeon HD 6900 series)?

I've got an AMD Radeon HD 6950 card: $ lspci | grep AMD 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cayman PRO [Radeon HD 6950] 03:00.1 Audio device: Advanced Micro ...
2
votes
1answer
74 views

What is needed for USB a device to appear under Sound in Ubuntu control panel?

I have a device that combines two audio interfaces and one HID interface. It enumerates correctly, as lsusb -D shows. Also, a trace with wireshark shows no errors - all descriptors are exchanged ...
5
votes
1answer
3k views

How do I configure PulseAudio for 7.1 Surround Sound over HDMI?

I have my machine connected over HDMI to a receiver. But when I try to use more than two channels with PulseAudio, I only get two. pacmd list cards shows the card, but does not show an HDMI profile ...
4
votes
0answers
86 views

Auto-switching PulseAudio profiles based on input(s) channel count

I'm running audio over HDMI to my receiver, which has a full 7.1 setup connected to it. However, most of the stuff that I listen to has far fewer channels—some is mono, most is stereo, a bit is 5.1. ...
2
votes
1answer
116 views

arecord to record what is playing on speakers

The command arecord foo.wav records from microphone and saves to file foo.wav. Is there a way I can have arecord record what is coming out of speakers instead of recording from microphone? Or perhaps ...
0
votes
1answer
161 views

KDE: temporarily changing sound system

A little time ago, I reported a bug related to Phonon/pulseaudio. For debugging purposes I was told to disable pulseaudio so phonon can use the hardware directly. So I searched about how to disable ...
2
votes
1answer
387 views

Disable ATI HDMI sound device - Fedora with PulseAudio

I want to disable the ATI HDMI sound device. I have nothing connected to it and for some reason, although it isn't the default sound device, it sometimes kicks in and grabs my sound, leaving the ...
1
vote
1answer
224 views

motherboard beep

I need help. I am using a Debian machine, ARK-3360F, and I need to make it beep like it does when it starts-up. Unfortunately, there is not any other speaker than this on the machine, so the below ...
2
votes
1answer
1k views

Live noise cancellation of microphone audio with JACK, ALSA, Audacity?

Audacity has a very nice noise cancellation filter. Is it possible, using JACK with ALSA, to pipe live audio through Audacity's noise cancellation filter?
0
votes
0answers
23 views

avconv with negative audio quality value

Is it possible to set the -q:a parameter to a negative value? For example, the value of -1 is a valid quality level for the Vorbis codec.
0
votes
1answer
76 views

Unwanted 32 bits audio sample type with default codecs

I'm running a fresh Debian sid / KDE with Pulseaudio and the VLC/Phonon backend (default). When I play a (16 bits) mp3 file with most of my players (VLC/cVLC, SMplayer, Juk, etc), the Pulseaudio ...
2
votes
0answers
1k views

CentOS 6.5 sound permissions

I am trying to configure ALSA for a CentOS 6.5 minimal install, my problem is non-root users do not have permission to access the sound devices in /dev/snd because the files are missing access control ...
1
vote
1answer
131 views

why has /dev/dsp vanished from SUSE

I used to test my sound settings with the command dd if=/dev/urandom of=/dev/dsp This will play random sound over your default sound device (using OSS). I am using SUSE Linux. Now in the newer ...
0
votes
0answers
437 views

No sound in Ubuntu minimal + xbmc. Possible bug?

I'm running Ubuntu 12.04 minimal+XBMC with no gnome interface. lspci | grep -i audio 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03) aplay -l **** List of ...
1
vote
1answer
51 views

WMA conversion for playitslowly

I need to transcribe some audio files. The original format is .WMA. I've tried using both: ffmpeg -i some.WMA some.wav and pacpl -to wav some.WMA some.wav as well as exporting with Audacity ...
0
votes
0answers
44 views

How to set gstreamer backend to JACK

How do I set the gstreamer backend for versions 0.10 as well as 1.0 to JACK instead of pulse (or the autoaudiosink). I have tried the gstreamer-properties method, however that has failed for me.
1
vote
0answers
61 views

Two “Audio codecs” have 100% power usage in PowerTOP - what does this mean?

Should I be worried? My battery power doesn't last long (~1hr), could this be the reason? How can I fix this (if it has to be fixed at all)?
0
votes
0answers
33 views

LMMS instruments don't play full notes

Here is an image of the piano01.ogg instrument in LMMS. As you can see by the wave graph, holding down the key will play a nice note that starts out loud and smoothly decreases in volume. ...
0
votes
1answer
386 views

How to get sound intensity of an audio input through terminal?

I want to know the intensity of the sound being heard by an audio in source like a mic or Line-in through Command line. Kinda like the progressbar under the mouse but in CLI. audiointensity mic0 10 ...
0
votes
1answer
76 views

Audiowerk 8 drivers for Linux

Does a driver exist for the old Audiowerk 8 sound card from now defunct Emagic? I have a system running Ubuntu 13.10 and would like to utilize one of these old sound cards.
2
votes
1answer
514 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 ...
2
votes
2answers
2k 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 ...
0
votes
0answers
314 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 ...
4
votes
3answers
2k views

How do I enable sound in this fresh Arch install?

I'm following the Arch Beginner's Guide. I have Arch running. Now I'm working on the post-installation instructions, one of the first parts of which is to unmute the speakers. This is where my ...
2
votes
1answer
126 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% > ...
1
vote
1answer
292 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 ...
2
votes
0answers
151 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 ...
2
votes
1answer
3k 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 ...
0
votes
0answers
195 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 ...
2
votes
1answer
1k 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 ...
1
vote
1answer
277 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 ...
0
votes
1answer
478 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 ...
1
vote
0answers
60 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 ...
1
vote
0answers
47 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 ...
0
votes
0answers
913 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 ...
1
vote
1answer
494 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 ...
2
votes
3answers
637 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 ...