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

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12
votes
1answer
2k views

Debian systems seems to recognize speakers but not the headphones for Lenovo laptops

First of All, I know there are lot of questions out there on same topic but still I could not figure out the solution. Being a average system level programmer (beginner in kernel programming) I would ...
0
votes
1answer
847 views

My Ubuntu 14.04 LTS doesn't have sound

I installed Ubuntu 14.04 on VMware workstation version 10.0.0 on my Windows 7 machine. After installing I figured out that it doesn't have any sound so I checked the sound settings. All items seem to ...
3
votes
2answers
2k views

volume hot keys in Crunchbang don't work

I've spent 2 hours on this and still can't figure this out. It's driving me insane. Please save my sanity. When I press mute, the pnmixer control in the top right shows that I've pressed mute, but ...
1
vote
1answer
57 views

What are XRuns?

I have read about them several times and encounter them myself when setting the buffer size too low in jack or quitting audio applications. Nobody ever explains though what XRuns are. Can someone ...
27
votes
6answers
12k views

How do I split a flac with a cue?

I've got a full album flac, and a cue file for it. How can I split this into a flac per track. I'm a KDE user, so I would prefer a KDE/QT way, I would like to see command line and other gui answer's ...
2
votes
2answers
697 views

Why does Arch Linux keep Windows headphone mute

I have Windows 7 installed, and headphones work perfectly. Few days ago, I installed Arch Linux along with Win7. This issue appears with gnome/xfce4/openbox. Perhaps it is not related to desktop ...
0
votes
2answers
44 views

How do I disable the system beep in FreeBSD 10.1?

How do I disable the system beep on the console in FreeBSD 10.1? The recommended commands don't work. The sysctl setting: # sysctl hw.syscons.bell=0 hw.syscons.bell: 1 -> 0 # sysctl -a | grep ...
3
votes
1answer
849 views

how to merge two audio input source using avconv

I try to make screencast using avconv and I facing a problem. I finally succeed to record both pc output and microphone input , the problem is that they're not merged in the output file. (I saw ...
0
votes
0answers
8 views

USB headset not working properly

I have a Corsair Vengeance 1500 USB Headset and I'm using linux Mint. My headset doesn't always immediately work when connecting it to my pc, but most of the time the headset works. Sometimes the ...
1
vote
1answer
352 views

Is there any sound enhancer/equalizer for Linuxes that are not Ubuntu?

I am looking for a systemwide audio equalizer for Debian, Gentoo or Red Hat Enterprise Linux, i.e. an audio equalizer that filters the entire signal that is sent to the audio chipset, something ...
0
votes
1answer
17 views

How do I check whether audio file samples are clipped without playing the file?

I have a big MP3 audio file, about 170 MB, which I'd like to check for clipping. In details I need to increase the audio volume but I don't want to push the volume too high and clip audio samples. I ...
0
votes
0answers
18 views

Should I concern about Linux driver for headset?

I was thinking about buying Logitech G430 headset. However, the producer mentions windows operating system only. As my personal experience even if only windows garbage drivers(or I call them fancy ...
12
votes
3answers
2k views

How to rip scratched audio cds?

What is currently the best way to rip scratched audio cds under Linux? What I find complicated, is that there are several tools available but it is not clear if one tool has better error correction ...
2
votes
2answers
43 views

Alsa not detecting my soundcard

So my onboard sound-card died and I bought a new small usb one. With windows it works perfectly, but on my debian testing not so much. It isn't detected by my audio system, and I cannot choose the ...
8
votes
1answer
5k 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
0answers
24 views

Choppy audio playback

I experience choppy audio playback just like when one hits an old CD player while it's playing back a CD. The audio skips back maybe about 200-500ms. I experience this behavior using any sources like ...
2
votes
1answer
27 views

Can ALSA output sound from a motherboard jack input line to HDMI?

I have a machine installed with OpenELEC and I'd like to use the motherboard line input (jack) and redirect sound through the HDMI link. All the other jacks from the motherboard will be unused. I ...
8
votes
4answers
5k views

End sox recording once silence is detected

I'm writing a script that uses sox to record me talking. Now I need sox to wait until it detects sound before it begins recording, and I do have that figured out. But I also need sox to exit once ...
0
votes
0answers
17 views

Alsa Problems: Playback Crashes Audacity

I have been having this problem in audacity ever since I switched to Arch. I can start audacity and open a mp3 file, but as soon as I press play, the sound is fast, distorted, and crackles. Once I ...
0
votes
1answer
995 views

mpd fails to open ALSA device where aplay succeeds

I am trying to set up an Raspberry Pi / Raspbian wheezy audio player using the onboard sound hardware via ALSA LADSPA plugins to stereo downmix and compress the audio. aplay, sox, mpg123, moc (cd ...
1
vote
1answer
2k views

Splitting WavPack files when the .cue file and .wv file have different names?

If a directory contains an album encoded as one large .wv file and a .cue file, splitting the entire album into individual .flac tracks is a simple task: $ cuebreakpoints foo.cue | shnsplit -o flac ...
0
votes
1answer
28 views

Audio support for Realtek Chip

I've build my own PC with ASUS Z97-P Motherboard with a Realtek Audio Chip. Everything works fine, but I can't get the audio working. I'm using KDE 5 and tried Phonon with VLC and GStreamer backend, ...
1
vote
0answers
8 views

PulseAudo list-sinks missing ALSA Devices

I'm attempting to switch at runtime between two ALSA devices on the same ALSA card: >>> [blake@e530 ~]$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], ...
1
vote
1answer
12 views

Audio CD authoring w/o an optical drive?

I need to burn an audio CD with a few kinks, like having no gaps between certain songs. I know I can do this with cdrdao, but my Linux box doesn't have a burner. Is it possible to use cdrdao to make ...
0
votes
0answers
9 views

How to log the sound configuration at the Login screen

Is it possible to generate a log of the sound configuration, when the Ubuntu drum-roll plays, at the login screen? This, in order to understand, how the sound system can be configured 'post login'. ...
1
vote
1answer
60 views

Int. speaker sound at login screen - but not after login (only ext. speakers work)?

Sound plays (drum roll) at login screen. In Ubuntu and Xubuntu XFCE no sound emits from the laptop speaker, but does from the external speakers. Pulseaudio panel monitor bar dances with the sound.... ...
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 ...
3
votes
1answer
3k views

Linux RDP with audio and mic

I've been trying to establish an RDP conexion with a Windows 7 machine from Linux with sound AND microphone redirection, I have tried rdesktop, remmina and freerdp with no use. Finally, with freerdp ...
2
votes
1answer
24 views

Adjust volume using mouse multimedia buttons

I know that there are many questions on the internet about setting keyboard/mouse multimedia keys/buttons in Linux, nevertheless my question is more specific. My wireless input devices: Logitech ...
0
votes
2answers
1k 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 ...
3
votes
1answer
808 views

Command to extract audio from video without conversion

I know that flv and mp4 files contain aac audio, while avivideo usually mp3 audio streams. What command (avconv, ffmpeg) would extract the audio without transcoding it?
0
votes
1answer
1k views

Alienware M14x - No sound in linux Mint 14 (Nadia)

I have done a fresh install of Linux Mint 14.1 x64 on my Alienware M14x. Everything was working fine after installed. Unfortunately, the sound is lost after some time. There's no sound when playing ...
1
vote
0answers
30 views

USB Audio detected by ALSA but not JACK?

I have a Presonus AudioBox USB device, connected to a USB 3 port, that supports both MIDI and Audio input. When I launch JACK and open the connection list from QJackCtl, I can see that the AudioBox ...
1
vote
0answers
19 views

Headphones always muted after restart

After system restart my headphones are always muted. I have to unmute and crank volume from 0% to 100% using alsamixer. I of course tried to do alsactl store multiple times but it does not help. It is ...
0
votes
1answer
15 views

Setting Alsa to output 44.1kHz

I would like Alsa to output everything at 44.1kHz (by default it looks like it's using 48kHz). I understand that the correct option would be something like: defaults.pcm.dmix.rate 44100 But where ...
0
votes
1answer
137 views

Drivers support for Sound Blaster Z/Zx on Linux

I am planning to buy a Sound Blaster Z or Zx (sound card) for my computer (which will run both Windows 7 and Linux Debian 7/8 or Fedora 21/22), but I heard it does not have a good support on Linux. ...
1
vote
1answer
29 views

How can I beep without PC speaker

There is no PC speaker in my laptop. Is there any way to get beeps by a normal speaker in Arch Linux?
0
votes
0answers
9 views

Audio File Search, Count and Sort - OS X or Synology

There is a collection of audio files on a Synology NAS. Approximately 24,000 albums worth, that I need to analyse and report on. I will need to: Count total number of files Count types of files ...
0
votes
0answers
2k views

Ubuntu sound not working after sleep/suspend

Whenever I sleep my laptop I mean if I down the flap sound doesn't work, every time i have to restart my laptop for sound to make working. Fo instance right now sound is not working(since I closed ...
5
votes
3answers
11k views

How do I convert FLAC files to AAC (preferrably VBR 320k+)?

I back my CDs up to FLAC and then transcode to AAC (.m4a) files for portability on my android phone and the wife's iPhone. I had been using XLD on Mac and it does a great job but I'd rather not steal ...
3
votes
1answer
2k views

No audio codecs on Fedora 21

I've been trying to listen to music in Fedora 21 but unfortunately I cannot. Here is what I tried: yum update yum install gstreamer gstreamer-plugins-good gstreamer-plugins-bad ...
2
votes
0answers
19 views

How to dynamically control the audio volume based on current decibels

Since the Internet videos have different sound volume levels I am wondering is there a way to dynamically decrease the audio volume if it's above certain decibels to a normal value. Could someone ...
1
vote
0answers
23 views

Help me to find my speakers and headphone paths (name of PCM device)

I am really confused trying to get my speakers and headphone device PCM names like a "hw:x,x" or something like that; cat /proc/asound/devices 2: [ 0] : control 3: [ 0- 0]: digital audio ...
6
votes
1answer
7k 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 ...
5
votes
2answers
4k 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?
5
votes
2answers
1k 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 ...
0
votes
1answer
36 views

Which distro to switch to (laptop) [closed]

I switched to Linux Ubuntu 14.04 from Windows 8.1 about a month ago because I wanted to get more out of my laptop (Lenovo Flex 2). I have been trying to either solve or ignore some issues that I have ...
13
votes
3answers
10k views

Add album-art cover to mp3/ogg file from command-line in batch mode?

I am looking for a software in Linux, that will add the album-art/cover to each of the selected files in batch-mode. The album art is a jpg/png stored in my computer. It will be awesome if it can ...
0
votes
0answers
39 views

RME Multiface (HDSP) sound on Debian/Jessie (Systemd / PulseAudio)

Troubles getting my sound setup to work on a fresh install of Debian/Jessie. The RME Multiface is an external rack mounted Pro Audio interface with a ton of channels and connectors (18 output ...
2
votes
1answer
1k views

Is there an easy way to switch playback soundcards?

I recently purchased the roccat kulo headset which comes with a nice USB soundcard, completely functional under linux :). Howsoever I now struggle to easily siwtch between my laptops integrated ...