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

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2
votes
2answers
844 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 ...
0
votes
2answers
259 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 ...
1
vote
0answers
13 views

Pulseaudio: “virtual” sink just for controlling volume

I got a box that runs XBMC and other media apps, and various apps that play status sounds. I'd like to have two "virtual" sinks (basically just for controlling the volume of a group of applications), ...
1
vote
1answer
271 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 ...
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 ...
1
vote
1answer
165 views

Audio cuts in and out after upgrading from Ubuntu 12.10 -> 13.10

So my audio was working perfectly fine (XBMC, VLC, Flash in Chrome, etc) before the upgrade. Now that I've upgraded, I can still play audio, but it plays for a second or two at a time before cutting ...
2
votes
3answers
110 views

Convenient way to name files in Linux

I'm a beginner in Linux and want to learn to do things properly in this environment. Since the beginning I've noticed that a lot of people involved in Linux (like tutorials and guides) tend to name ...
10
votes
6answers
8k views

How can I switch between different audio output hardware using the shell?

I use my laptop with an external monitor which has speakers. When the monitor is attached through HDMI I can switch (using the GUI: Sound Setting --> Hardware) between the normal laptop audio output ...
1
vote
1answer
75 views

File manager that shows bit rate for mp3 files

I am a Fedora user and my current file manager is Thunar. The OS is quite nice but I am not satisfied with Thunar. There are a lot of features I think it's lacking but mainly I am missing more ...
2
votes
1answer
157 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", ...
2
votes
0answers
34 views

Modify sound volume per application [closed]

In Fedora 12 + Gnome 2 I used to be able to modify the volume of each application seperately. Now, I'm on Fedora 20 + MATE 1.6.2, and this option is gone. If I click Notification Area > Sound > ...
14
votes
5answers
10k views

Sending audio through network

This is a rather crazy idea. I am planing to set up a configuration that would send audio being played on my laptop to my home server via local network so that the sound is played on the server ...
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 ...
1
vote
1answer
162 views

Nvidia HDMI audio not visible on system

I recently installed Arch Linux on my pc. I'm using a Nvidia GTX 660 Ti connected to a receiver over HDMI. I can't get audio to work over this HDMI connection. Next to my video card I have an onboard ...
3
votes
2answers
2k views

Set default sound card in Pulse Audio

I have two soundcards on my systems and pulseaudio always picks the wrong one. How do I set up the default soundcard in the pulse audio preferences?
2
votes
0answers
76 views

Sound crackles and echos to the point of being unusable

I recently got a new desktop, installed debian 64 bit, and found out that the sound doesn't work at all. I'm not entirely sure what information I should give to help identify the problem but I'll do ...
1
vote
0answers
31 views

How to get Debian to detect my Audigy 2

I started my PC this morning and noticed that I had no sound. Since last using the sound card successfully, I had installed openssh-server, but I suspect this is unrelated. I think my PC isn't ...
2
votes
0answers
57 views

How do you redirect audio output in FreeRDP?

I have trouble redirecting audio during my rdp connection with freerdp. When I use this command: xfreerdp /v:ServerName /u:User /p:Password /d:Domain /audio I get this error: Warning ...
1
vote
1answer
16 views

Virtual console pauses video and audio playback running in KDE

In Kubuntu 14.04, when I switch to one of the virtual consoles by pressing CTRL-ALT-F1...F6 all audio and video playback running in the GUI gets interrupted and continues only when going back to X. ...
3
votes
0answers
79 views

Cannot “resume” music

I've had the following issue across multiple music players and multiple distro's. Currently I am experiencing it in Rhythmbox on Arch Linux. Whenever I play music and then pause a track I am unable ...
4
votes
2answers
647 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 ...
1
vote
0answers
76 views

Record from the microphone indefinitely

I'm working with the application "arecord" (under Arch-Linux). I'm want to capture sounds from my microphone and save it to the disk. This is my command: arecord -f dat -d 2 --channels 1 -D hw:1,0 ...
2
votes
1answer
700 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], ...
0
votes
1answer
49 views

Slow down mp3 audio

I love VLC's option of slowing down audio playback. Now I want to take my mp3-files to a portable player and play them there. Unfortunately the player does not have a slow down option. How can I ...
4
votes
3answers
5k 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 ...
5
votes
1answer
595 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 ...
0
votes
1answer
53 views

Set Sound Settings to 152% on Boot (LMDE)

I have installed Linux Mint Debian Edition and everything is working correctly, except that 100% sound setting is not ideal on my speakers, so I see that I can increase it to 152% from my sound ...
2
votes
0answers
64 views

Focusrite Scarlett on Linux input mapping?

Does anyone use these interfaces on Linux? If so, how do the inputs map (e. g. with ALSA/PulseAudio)? E. g. the Scarlett 6i6 has the following connections. Inputs: 2x symmetric XLR inputs (one for ...
2
votes
1answer
56 views

Play .wav when text scrolls in terminal

After watching a TV show, I came up with a fun idea. Is there a way to take that cheesy high-pitched sound effect they play every time text scrolls down a command-line screen on TV and play it when ...
1
vote
1answer
109 views

Low-pass filter on LFE using Pulseaudio

I'd like to apply a low-pass filter on the subwoofer channel on my 5.1 sound system under SolydK (a Linux distro based on Debian Testing, PA is installed and configured by default just like under ...
4
votes
3answers
1k views

Mathematica makes no sound under Ubuntu 11.04

After waiting for days for my license I now got the opportunity to install Wolfram Mathematica 8 at home. However, neither the Play nor the Speak functions are doing anything as it seems that ...
7
votes
3answers
2k 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
133 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
2k 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
vote
0answers
846 views

How to enable both built-in audio output and HDMI audio output with PulseAudio?

I've been searching for this issue for days now and tried various solutions suggested, without any success. Basically, I have a laptop with built-in audio (the output goes either to the headphone ...
1
vote
4answers
4k 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
votes
0answers
62 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
votes
0answers
64 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
141 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
130 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
votes
0answers
93 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 ...
4
votes
1answer
284 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
55 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
votes
0answers
52 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
838 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 ...
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 ...
0
votes
0answers
176 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
vote
1answer
249 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
385 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 ...