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

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3
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0answers
65 views

How can I create a two-way voice communication system that works over the local network?

I wish to create a simple two-way voice communication system between two Linux computers running Debian-based distros (probably two Raspberry Pi Zeroes). Each computer will have a microphone and ...
1
vote
3answers
93 views

How can convert characters into characters that'll produce beep noises?

I'm new to Linux and have recently started working on my very first (very simple) project - a morse code generator. I've been able to get the translation working, and now I want to take the next step. ...
1
vote
1answer
29 views

How to recover ALSA default configuration after reverting changes in .asoundrc?

I've done some changes via .asoundrc (created "softvol" volume controls). Now, I want to get rid of these changes. Nothing of the following helped so far: Deleted .asoundrc and rebooted system. ...
0
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0answers
7 views

Using wireless headphones with HP dc7800?

Can I use usb wireless headphones with HP Compaq dc7800 small form factor computer? I plugged in usb, and got green light on headphones, but no sound. Do I need newer computer (2011)? Any help ...
1
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0answers
33 views

PulseAudio cannot change the sink for one specific program

I'm trying to play sound from Telegram through my headphones, which have an internal audio card. Here is the list of programs which produce audio output channels: $ pactl list sink-inputs Sink ...
1
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0answers
10 views

Mute audio but make it capturable for screenrecorder in linux

I can capture videos with audio for example with simplescreencapture. Usually this just captures what I see on the screen and what I hear from the speakers. If I mute the speakers, no audio is ...
1
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2answers
84 views

Linux Audio Spectrum Analyser

I'm an undergraduate student and I am looking for a spectrum analyzer(or at least a collection of functions), that will output the frequency range of a sound that is played, as an array.
2
votes
1answer
98 views

No sound in Debian 7

I've installed Debian 7 but there is no sound. The motherboard is H110M-D D3. Is there any way besides upgrading the kernel to make the audio work? I've tried the most common solutions (mute in ...
0
votes
1answer
512 views

Linux mint 17.3 without HDMI sound output

Well, tried everything: alsa, alsa-utils, alsamixer, pulseaudio, puvecontrol and a lot more. Even I changed from ubuntu to Linux mint, but I can't get sound from hdmi (laptop connected to led tv). I ...
0
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0answers
95 views

Linux Mint Rosa 17.3 Sound Effects Not Working

I'm running on Linux Mint 17.3 and I can't seem to get the sound effects to work. I have the drivers and everything installed, I'm able to play music and watch videos with sound but as far as system ...
1
vote
0answers
47 views

Sound from radio to sound card's S/PDIF In isn't detected

When I had Linux Mint 17.1 KDE installed, I would capture music (using Ocenaudio – couldn't get Audacity to record) from an external Internet radio player / DAC to the computer's Xonar D2 sound card's ...
1
vote
1answer
98 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
votes
0answers
92 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 ...
0
votes
0answers
93 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 /etc/modprobe....
2
votes
0answers
23 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 ...
0
votes
1answer
133 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 ...
2
votes
0answers
84 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 ...
0
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0answers
60 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 ...
0
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0answers
71 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 ...
0
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0answers
28 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 ...
0
votes
0answers
17 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 speaker-...
1
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0answers
32 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 ...
0
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2answers
151 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 ...
0
votes
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. ...
0
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0answers
70 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 ...
2
votes
0answers
23 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 ...
0
votes
0answers
167 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 ...
0
votes
0answers
35 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 ...
1
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0answers
41 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 ...
1
vote
1answer
23 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.
1
vote
1answer
62 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
votes
1answer
54 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 ...
2
votes
1answer
22 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 ...
0
votes
0answers
77 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 ...
0
votes
1answer
346 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
16 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 ...
0
votes
0answers
75 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 ...
2
votes
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 ...
1
vote
1answer
396 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 ...
1
vote
0answers
47 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
vote
1answer
53 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 ...
1
vote
0answers
36 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: https://wiki.archlinux.org/index.php/PulseAudio/...
0
votes
0answers
16 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 ...
0
votes
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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vote
0answers
15 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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vote
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, ...
0
votes
0answers
15 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.
5
votes
1answer
2k 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 ...
3
votes
2answers
168 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
votes
1answer
77 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 ...