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

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1
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1answer
313 views

Focusrite Scarlett 8i6 With linux mint

I have a focusrite scarlett 8i6 soundcard and I would like to make many sounds with it. Currently it's deadly silent and I want to crack on with some programming whilst listening to music! I usually ...
7
votes
1answer
3k views

Sending to two bluetooth speakers at once

Is it possible to send the same audio signal to two different Bluetooth speakers at once from a single source? I remember reading somewhere that it's possible to send audio to two different sinks ...
2
votes
1answer
3k 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 ...
1
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4answers
6k views

Change sampling rate in ALSA

I'm a Computer Audiophile, I've used Windows (with ASIO4ALL)and OSX for Audio. Now I'm making Ubuntu 13 my HTPC/Stereo Audio. To begin with I disabled Pulse audio and using GooMusicplayer with ALSA. ...
0
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0answers
103 views

Understanding Mixing of sounds in ALSA

I can't seem to bend ALSA completely to my will, even after I spent a lot of time configuring it. I just do not seem to understand it well enough. Here is my /etc/asound.conf: pcm.dmixed { ...
3
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0answers
84 views

Play sound when suspending and resuming

I'm trying to get my sound theme all working how I want it. Reading the sound naming spec by freedesktop, it has an entry "suspend-start" and "suspend-end", which is supposed to fire when the ...
6
votes
1answer
181 views

Amplify quiet passages in an mp3 file

I have an mp3 file where is a dialog with two voices and one of the voices is very quiet. Is there a command or application that is able the detect the quiet passages and amplify them? The two voices ...
2
votes
1answer
220 views

Setting up digital piano and computer with MIDI interface

I have a MIDI cable that has IN and OUT interfaces. I want to connect my piano (Yamaha P95) with the laptop (running Ubuntu), so I can record midi songs. I connected the cable between piano and ...
2
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0answers
168 views

Android w/ Glibc stack, how can I set-up audio w/ nvlc? Is it possible with ALSA(Debian)?

With the help of the book "Embedded Android" by Karim Yaghmour I managed to learn enough about Android's build process last fall. With enough fiddling around and Google'ing I learned a sufficient ...
7
votes
1answer
793 views

Cleaning voice recordings from command line?

I have used Audacity for removing noise from recordings before, however it has very limited command line usage. I have ~100 short lecture videos which I will be watching over the next few months and ...
0
votes
0answers
82 views

Selected ALSA device falls back to default in Wine with PulseAudio installed

Under SolydK (based on Debian Testing), as PulseAudio is installed by default, I unless I switch from the default sound device to an item that appears in winecfg at the sound settings, I get distorted ...
0
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0answers
84 views

Creative X-Fi alternative for Linux

I have a pretty slick Creative X-Fi Titanium (Elite Pro) card in my system. In Windows everything sounds amazing with this card, in Linux I just get generic sound. I can configure ALSA or Pulse to do ...
2
votes
0answers
1k views

How can I forward sound over VNC?

I use TightVNC and Remmina Remote Desktop to connect my Raspberry Pi to my Ubuntu laptop over VNC. It works great for the most part, except for the fact that there is no sound. I have googled all ...
6
votes
1answer
5k 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 ...
0
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0answers
292 views

Streaming video with VLC / WinTV has no audio

I'm trying to stream video between two PCs with a WinTV card. I can stream video, but the stream contains no audio. # lspci -v: 06:04.0 Multimedia video controller: Brooktree Corporation Bt878 Video ...
1
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1answer
709 views

Why would alsa sound pop, crackle and be generally too distorted to listen to?

I've been having a weird issue with Alsa recently. For some reason all sounds are really distorted and no matter what application I use, I won't get anything clear out of it. I've tried Tomahawk, ...
2
votes
1answer
1k views

Why beep does not work in Ubuntu?

I've tried the below shell, but nothing happened. #! /bin/sh beep -f 500 -l 700 beep -f 480 -l 400 beep -f 470 -l 250 beep -f 530 -l 300 -D 100 beep -f 500 -l 300 -D 100 beep -f 500 -l 300 ...
0
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0answers
123 views

Linux makes my audio speaker make a “poping sound” back to Windows in dualboot

I have a very strange problem that other people with the same hardware than me already had, but I didn't see any solutions on the internet. That's why I'm posting here, I'm a bit desperate and if I ...
0
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0answers
140 views

soundblaster live 5.1: both output connectors to work?

I have an soundblaster live 5.1. wit emu10k1 chipset. I got my soundcard working now in Linux Mint 13 xfce. that is for 1 output port. I also want the other to work. How can I get my system to have ...
1
vote
1answer
70 views

soundblast live on linx mint: fatal: module snd-emu10k1 not found

I'm trying to get my soundblast live 5.1 emu10k1 (rev 7) working. It is listed in my xconf settings but the onboard sound processor is the standard (i have tried to make de soundblaster standard, but ...
2
votes
0answers
306 views

Internal microphone not working.. again (Fedora 20, KDE, HP 8460p)

Unfortunately I have yet another "adventure" with my internal microphone. Everything is un-muted in alsamixer, as well as in pavucontrol. It is not the first time it stopped working, but now - for ...
3
votes
2answers
247 views

Somehow managed to mute mplayer and can't figure out how to restore sound

I was randomly/experimentally pressing buttons while playing a video with mplayer. Something I did caused the video to mute. I then exited the video and tried a different one, but that one was muted ...
1
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0answers
448 views

Microphone not working on Centos 6.5

I have installed CentOS 6.5 on a Dell Insperion with an Intel chip. I first noticed that my microphone is not working on Skype on CentOS although it was working fine with Windows 7 on the same box. ...
1
vote
1answer
2k views

Elementary os no sound after alsa update

I am new to Linux but really love Elementary for its simplicity. After noticing that my sound was quite poor in Elementary, compared to Windows 8.1, I have tried updating the sound drivers. I ended up ...
2
votes
0answers
78 views

Debian: pulseaudio sink volumes syncing?

Running Debian jessie with pulseaudio, sometimes I would use pavucontrol to adjust volumes of different applications at varying levels. Then when I would forget about it and adjust the volume using ...
2
votes
0answers
443 views

Extremely loud crack and mangled sound over S/PDIF using ALSA

Sometimes it seems ALSA on my machine goes completely haywire: Flash audio on Spotify doesn't produce any sound. SMplayer plays audio just fine, or doesn't play at all (I've observed the latter ...
2
votes
1answer
86 views

Play a sound file slower or faster

How can you play a sound slower or faster? That would be useful for listening carefully one audio passage or to listen fast forward to find a concrete passage. Is there something with the play sox ...
0
votes
0answers
400 views

Elementary OS dual sound output problem

Good afternoon guys. I recently installed Elementary OS on HP desktop-pc. Things appears to be working just fine, except that when I plug-in my headphones, I can still hear the sound coming from my ...
1
vote
1answer
73 views

Play last few seconds of mp3

Is there any way to play last N seconds of an mp3 file on bash commandline?
1
vote
1answer
226 views

Bluetooth headset profile not working with recent kernel

I have a Plantronics 590 bluetooth headset (the type probably does not matter, but I have no alternative to test). Using the old 3.02 I was able to use this via pulseaudio. With the current ...
3
votes
1answer
521 views

Record audio from multiple devices with ALSA and Pulseaudio

I want to record audio from multiple input devices using ALSA and Pulseaudio. More precisely, I want to play UltraStar Deluxe. It is a game using SDL. As far as I can tell, it supports ALSA only. ...
2
votes
1answer
93 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 ...
3
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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) ...
6
votes
1answer
400 views

Ssh audio redirection

I have DVB-T USB dongle plugged into my Linux server (GUI-less). It works correctly, but I want to stream TV programs from server to my PC. For this I use Kaffeine that way: ssh -X -p 666 -i ...
0
votes
0answers
6 views

XJacker and PulseAudio connection

Is it possible to connect the XJacker Sound Amplifier (v2) to PulseAudio on Ubuntu? Or is it just XBOX only.
11
votes
4answers
4k 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 ...
7
votes
1answer
4k views

Sound input issue with skype, selecting a microphone?

Ok, Skype yet again has issues with sound. This time, it is unable to record audio. The system is using PulseAudio and I am using a web cam as a microphone. Actually, I tried another web cam and ...
0
votes
1answer
550 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 ...
1
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0answers
349 views

Audio (speaker) jack detection with debian

How to find out whether speaker jack is connected or not in my motherboard Tried out some reference from : Detecting headphone connection/disconnection in Linux pasted my amixer output.Need ...
0
votes
1answer
82 views

How can I record the sound from multible sources with gtk-recordMyDesktop?

I am having problems with sound when I am trying to capture a video. It captures my sound from my mic, but it dosent record the game sounds, skype sounds, vlc sounds, firefox sounds and everything ...
2
votes
2answers
2k 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 ...
1
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0answers
77 views

Xfce sound level applet works wrong

I have installed Xfce4 on Debian testing. I'm using ALSA for sound driver. If I decrease volume level by using sound control applet in Xfce panel, there is no problem till "zero level". If I decrease ...
1
vote
1answer
339 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 ...
2
votes
1answer
135 views

Which Linux distro supports h264/avc, aac and mp3 out of the box?

That is, after installing (or live boot) I want to be able to access h264-aac videos and mp3 audio that I have saved, WITHOUT INTERNET connection, that is installing after OS-install from a repo on ...
2
votes
2answers
583 views

Muting and unmuting sound with mutebutton

I'm running the testing branch of debian with codename Jessie and xfce as desktop environment on a Lenovo ThinkPad T410. When I press the mute-button, it mutes pulse-audio and alsa, but when I press ...
1
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0answers
391 views

alsa and 5.1 surround through three front stereo jacks on the Dell Studio XPS 13

I know this is not a tech support forum, but I am not etting an answer from alsa people and have tried much, if not everything. I can upload the alsa-info output if needed, but here is the info ...
2
votes
1answer
167 views

What is the modern equivalent of reading `/dev/audio`?

Recently my trusty home PC died after 10 years. The ensuing upgrade (from SuSE 10 to OpenSuSE 12.3) was something of a culture shock for me - none of the convenient shortcuts and utilities I had ...
1
vote
1answer
101 views

how to fix default sound device for a user

when I "play" (with SoX) a .wav file using my own account on Debian it plays fine: jcomeau@aspire:~$ play ~petalumarentals/7077809525.1396808357.711.wav ...
4
votes
3answers
769 views

how to understand list of soundcards; meaning of MID, HDMI, PCH

Command aplay -l produces a list of "all soundcards and digital audio devices". On my brand-new Fujitsu Esprimo desktop, I get: **** List of PLAYBACK Hardware Devices **** card 0: MID [HDA Intel ...
0
votes
1answer
165 views

Generate .asoundrc

Is there any way to generate .asoundrc? I know that by default this file does not exist and system generates one on the go like Xorg does. But is there any way to see how the content will look like?