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

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69 views

Using aplay and choose which output on card to use

I have an xmos-200 board that is able to record 8 channels and push output through 8 channels. I'm going to focus on the output. For outputs, there are 4 3.5mm jacks with 2 channels each. The board ...
2
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0answers
67 views

jackd and SuperCollider headless problem

I am trying to boot an RPi autonomously to start jackd, SuperCollider and then play a SuperCollider patch. Jack launches and Supercomputer starts to compile but then something goes wrong. The script ...
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0answers
66 views

Bad sound quallty with Conexant CX20751/2

I have a Lenovo G50-80 with a sound card detected as Conexant CX20751/2 The sound under linux (Debian based) is very bad, with something like a metallic sound. I'm using this config at ...
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0answers
20 views

ALSA skipping initially during playback

I have an ALSA configuration that provides the following at the moment: Take default audio and make it mono Pass through alsaequal Expand audio to 4 channels, all mono Split 4 channels between 2 ...
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1answer
118 views

WiFi and Sound doesn't work on Kali Linux on Mac Mini late 2014

I installed Kali Linux on a Mac Mini, but I have problems with the WiFi card, and with sound. ~# lspci 00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 09)) 00:1b.0 ...
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0answers
74 views

mplayer: Problem opening sound files, gnome-mplyaer works, why?

I'm new to this community and this is my first question. I am using Debian 8.3 Jessie and have two sound files a.mp3 and b.mp3 on my hard drive. I am using mplayer and gnome-mplayer to open these ...
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44 views

arecord raw data to flac

I'm trying to record some raw samples with arecord and once finished convert them to flac format, but I'm only getting garbage. I need it to be first raw as I'm parsing the data to detect when there ...
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0answers
59 views

output sound in linphone choppy (while fine when recorded and played back)

I'm using Debian Jessie with pulseaudio. I can start phone calls with linphone and hear fine, the other side hears me fine, too. After some time of having the phone call established (~20min), the ...
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22 views

How to solve random HDMI (external screen) / audio output issues in Linux Debian 8?

About half of the times I start up my Debian 8 machine sometimes goes wrong in the boot sequence (particularly in auto starting apps set in "autostart" I would say). I can say that because after a ...
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15 views

Choppy sound on Asus Eee PC 1101HA using Fedora XFCE spin

I just installed the Fedora 23 XFCE spin on my Asus EeePC 1101HA. The sound is choppy with parts missing, skipping and doubling-up. This is the case for anything that I've tried, including ...
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28 views

3D sound based on window position

Okay, I know this sounds weird, but hear me out please. Assume the following: I've got a 4k screen here, maybe another one in the near future. I like to watch videos while doing boring stuff. This ...
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2answers
125 views

Debian 8 - choppy sound

I've installed both Debian 8 and Windows 7 on my pc. The thing is, Debian audio drivers produce really choppy sounds. Windows works fine. After trying some methods from google, I actually feel more ...
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0answers
23 views

Ubuntu Wily - HDA is not listed in lspci anymore (but works in Windows)

My laptop (Dell Latitude E6420) was used to have minor issues with the audio. Sometimes pulseaudio would stop playing and I had to do alsa force-reload and restart pulseaudio to get it back to work. ...
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0answers
58 views

External subwoofer “Sonic Master” on an Asus N750JV dosen't work

My config: Distro: Debian 8.3 jessie DE: Gnome 3.14.0 lspci -k | grep -i -A2 "multimedia\|audio" output: : 00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio ...
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0answers
21 views

Isolating all audio for a specific user account with Pulseaudio

I've done some Googling on this subject, and looked around on Stack Exchange, but I haven't yet found a question canonically similar to mine. If this is the wrong section of Stack Exchange to ask this ...
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0answers
138 views

Audio over HDMI (NVIDIA)

Hi Im using Linux Mint 17.3, my graphics cards are integrated intel and NVidia GT 650M (with HDMI output). Im using nvidia-352 driver. So the problem is that i cant get sound over hdmi working (works ...
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33 views

Multiple sound errors when running Pyo

I just tried to install the python module with pyo following this method: http://ajaxsoundstudio.com/pyodoc/compiling.html it returned this error: pyo version 0.7.8 (uses single precision) ALSA lib ...
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0answers
40 views

USB audio not working when plugged in during boot

I have a problem with the audio in my ThinkPad OneLink Pro Dock not working with Linux. I have had this problem with OpenSUSE 42.1, Tumbleweed and Fedora 23. I think I will have it with any other ...
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1answer
20 views

How do I create virtual ALSA device from which I can record everything that is played?

Should not depend on PulseAudio. Like veth for network, of v4l2loopback for video, it should create virtual audiocard from which I can record everything that is played.
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1answer
49 views

Pipe/Mix Line In to Output in PulseAudio

I work on two computers with one USB headset. I want to listen to both by piping the non-Linux computers' output into the Linux computer's line in (blue audio jack) and mixing the signal into the ...
2
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1answer
48 views

Remove PulseAudio device

While following instructions, I loaded a module which creates an input device "Monitor of Null Output" and an output device "Null Output" using this command: pactl load-module module-null-sink ...
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1answer
20 views

Reducing max audio volume without reducing base volume

Is there a way to reduce the maximum possible audio volume without affecting audio that is below that maximum volume? I don't care if audio that would have gone above sounds horrible and distorted as ...
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0answers
64 views

Only crackling instead of sound when using USB headset on Linux mint

I have installed Linux Mint 17.3 'Rosa' Cinnamon 64-bit on my PC but I also tried with Kubuntu 15.10. I have a Jabra GN2000 headset connected via a Jabra Link 280 that does not output sound but only ...
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1answer
240 views

HDAjackRetask: tee: /sys/class/sound/hwC1D0/reconfig: No such device

I am trying to reconfigure the setup of my microphone with HDAjackRetask however when I click reply I get the message: tee: /sys/class/sound/hwC1D0/reconfig: No such device Here is a screenshot: ...
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0answers
15 views

Linux - How Can I Play a Sound File Through the Back Jack via Command Line

So recently I came across the old Ubuntu login sound, and I decided I wanted to add it. So I added it, and it plays normally, but I have an issue. Normally, I have my headphones plugged in through the ...
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62 views

espeak, alsa Unknown PCM

I have a Debian Wheezy and I connected to my linux a USB Dac. I use every time a MPD server (and that work) Now, I would like to use espeak with pyttsx But when I start my script (It worked and my ...
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0answers
19 views

Playing remote audio files over SSH [duplicate]

I am connected to a machine via SSH and I often need to listen to WAV files on that machine. I usually open another terminal window and do ssh host 'cat /path/to/sound.wav' | aplay, but that's tedious ...
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1answer
274 views

No sound from Debian beside beeps

I bought Lenovo ideapad 500S and installed Debian 8. It's a fresh install, and no other OS is on this computer. I am having difficult on enabling the audio and days of googling to hunt any hint ...
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0answers
36 views

How to get sound working in chroot(Linux on Android)

I have Fedora 21 KDE running on Sony Xperia Tablet Z and it seems my device sound card and M-Audio(M-Track) USB sound card is detected. But yet no audio output. What is best way to solve this issue? ...
1
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1answer
44 views

linux audio feedback

I am using jackd and pulseaudio with the pulseaudio-jack-module so that I can have pulseaudio and jack running at the same time. I mostly use jack applications, except for web browsing and a few other ...
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0answers
30 views

Pulseaudio microphone doesn't work

I am using Slackware 14.1. I installed pulse audio. The sound output works fine. But the microphone doesn't work in skype. I tried the steps from here: ...
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0answers
15 views

Restart SGTL5000

Is there an easy way, (besides modding the kernel driver anyway) to restart a codec? This is running on an arm I.mx6, and I have had some trouble with the codec resetting, and the kernel won't get ...
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0answers
11 views

Which Soundblaster Live! 5.1 profile as shown in pavucontrol should I use and why?

I'm using an ancient SB Live! 5.1 card with Debian Jessie (8.3), and the default sound setup, which I assume is Alsa and pulseaudio. If I go to the config tab in pavucontrol, I see an impressively ...
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0answers
13 views

Audio 'pops' in when starting and stopping

Whenever audio starts playing, or stops playing, a 'popping' sound can be heard from my headphones. I am running Elementary OS 0.3.2 Freya, and the issue only happens when I am using headphones. The ...
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0answers
33 views

Compare Audio Files

I want to set up a test-system for an embedded board, so I can automatically test both the audio out and the audio in jacks (LO, LI, HP, MIC). So I thought of recording an audio-file (with a sinus, ...
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0answers
14 views

Converting .shn via shorten or shntool

I have to batch convert a bunch of shn file to wav. I was wondering if this was possible using the shorten utility or did this need to be done using shntool todo so.
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1answer
1k views

Error when trying to connect to bluetooth speaker: `org.bluez.Error.Failed`

I'm running Debian Jessie 8.2. I have a bluetooth USB dongle connected to my machine. I run sudo bluetoothctl -a then do the following: [NEW] Controller 5C:F3:70:6B:57:60 debian [default] Agent ...
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2answers
132 views

Compare two audio files

I would like to make sort kind of "speech recognition" system. The goal is to compare a new recording with an original audio file, and if the sound is > x% similar, do something. Is there already a ...
0
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1answer
65 views

How to setup playing system audio into teamspeak

I have Fedora distro (21) running in a VirtualBox VM I want to be able to take the system's output audio and feed it into the teamspeak input (capture) The reason for this is for a game I play I ...
1
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2answers
18 views

How do I access the sound device with modern libraries?

It used to be that if you wanted to test your sound you could simply cat any file to /dev/snd, but that doesn't appear to work on any of the systems (Debian/Ubuntu/Mint, Arch) that I've tried. From ...
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1answer
74 views

No analog audio with AMD E1 - HDMI “takes over”

I am having problems related to audio settings on my notebook with all distros, since I used Ubuntu and Xubuntu (14 and 16), Kubuntu 16, Ubuntu Studio (14 and 15), Elementary (0.32) and MINT (17.3 ...
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0answers
95 views

Lenovo ThinkPad headphones trouble (combo jack)

Well... Sometimes ago I've bought a laptop Lenovo ThinkPad E555 with pre-installed Windows. I've removed Windows and installed Linux Mint 17.3. And now, sound through headphones does not work, only ...
0
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1answer
70 views

Headphones only work correcly when plugged halfway

My headphones are working some kind of strange. The sound is very low even when set to maximum, and the speech is almost unhearable. When I listen to music I can't hear speech as well as when ...
1
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2answers
46 views

Inline sound effect using command line

I found a while ago a way to modify recorded sound (pitch and such) and playing it through speaker in a single command line, involving "rec", piped to another command... But silly me, I didn't save it ...
2
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0answers
45 views

Microphone noise reduction

I installed Ubuntu 14.04 with dualboot. But i have problem with microphone noise. I can not find any noise reduction in Ubuntu. Sound quality is for me quite important, because i am talking with ...
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0answers
60 views

How to setup audio from for lubuntu minimal install

Running a very stripped down lubuntu 14.04LTS x64 install. I installed xorg and openbox and was up and running! but I can't, for the life of me, seem to get any sound. I installed alsamixer pulsaudio ...
2
votes
1answer
59 views

Why does Linux have a maximum number of sound cards? [closed]

I'm specifically asking about CONFIG_SND_MAX_CARDS in the kernel. From the code using this config, for example in sound/usb/card.c for USB cards, soundcards are stored in plain arrays which are ...
1
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1answer
83 views

Deadbeef audio player does not retrieve online (freedb, CDDB) info about CD tracks

Many Linux players (like Audacious, Banshee, Amarok, Exaile) can easily access audio CDs tracks info (names and other metadata) but Deadbeef cannot, although it has a cdda plugin that should do just ...
0
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0answers
17 views

Audio and Network over Bluetooth

I'm putting together a car computer system using a Raspberry Pi 2, and I was wondering if there is a way to set up a Bluetooth dongle on the Pi so that whenever my cellphone (Moto G2 running 5.0.2) is ...
3
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0answers
246 views

Multiple (combine) USB sound cards with Alsa + Jack + Pure Data

I'm a musician and I'm new to PI/Raspbian/Linux. I'm using a Raspberry PI 2 with Pure Data (PD) for a multichannel audio installation. I have one 5.1 USB soundcard (6 channels) but for my installation ...