Questions tagged [alsa]
For questions pertaining to ALSA, the Linux sound subsystem. ALSA sits below advanced systems like PulseAudio.
185
questions
1
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2answers
66 views
sound output stuck on HDMI (working)
I cannot get any output to use the 3.5 mm headset jack it is stuck on HDMI.
There are lots of questions on here that ask about the headset jack connector not working and have answers on howto switch ...
0
votes
0answers
35 views
USB Voice recognition with python pyttsx3 and pyaudio
i found a lot of this error in the net, but no solution... is there really no solution ?
i got a Raspberry Pi 4
Mini USB Microphone
pi@raspberrypi:~/voice $ arecord -l
**** Liste der Hardware-Geräte ...
0
votes
0answers
39 views
Bluetooth speaker connected but no audio, AV earphone no audio (only VLC is good), HDMI working propedly
My Bluetooth speaker device (JBL Charge 4) connected, but no audio.
The /etc/dbus-1/system.d/bluetooth.conf edited.
I change the "default" context policy from "deny" to "allow&...
0
votes
0answers
24 views
Using USB webcam with integrated audio at the same time
I am trying to use a usb webcam for video and microphone at the same time on my raspberry pi4, on buster. I just set the system up from scratch and am ready to do that again, if it helps with trouble ...
0
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0answers
25 views
Shoddy and horrible audio performance and support on Raspbian Lite
My audio on the Raspberry Pi 1 (Yes, I have an original model) on my Raspbian 10 Lite installation works, but only barely. Allow me to explain.
I picked Raspbian 10 because I wanted to set up my own ...
1
vote
0answers
24 views
Play audio on two sound cards at the same time
I currently try to setup my raspberry pi 3 with a HiFiBerry DAC+ Pro XLR (using Raspian based on Debian 10).
I installed the sound card and configured alsa to use device 1 as new default. Restarted ...
0
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0answers
26 views
Connect and use Bluetooth headset
I am on a Raspberry Pi 2 Model B with Raspbian buster and have issues using my Bluetooth headset. I tried to use some of the several available HowTos. Best working for me are the HowTos using bluealsa....
0
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0answers
22 views
Multi-channel Audio Recording with asoundrc - sudo sound card not appearing
I'm trying to find a way to record audio from 4 separate sound cards at once, using a raspberry pi running with rapbian. From what I've read it should be really straight forward so I'm not sure what I'...
1
vote
1answer
56 views
Read Incoming Bluetooth Audio On Pi With Python
this is my first post on here! I am trying to make my raspberry pi 3 a bluetooth speaker which synchronizes beat of the music being played from a phone to an LED light strip. For the LED light ...
0
votes
1answer
36 views
Can I use Raspberry Pi as a USB speaker?
Now I have
A: Desktop PC with Arch Linux
B: Raspberry Pi 3 with Raspbian Buster connected with a speaker
and I'd like to use B as a wired speaker of A. By "wired", I mean that A and B are connected ...
0
votes
0answers
28 views
Route Audio from SPDIF Input to 5.1 USB Soundcard (raspbian)
So I'm very new to audio stuff, but my setup is the following:
Any HDMI device --(via HDMI)--> TV --(via SPDIF)--> USB Sound Card (input) --> RaspberryPi --> USB Sound Card (3x3.5mm Audio Jack (Front,...
1
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0answers
39 views
How do I get a USB speaker working on a Pi 4 with Raspbian Buster?
I've found several candidate dupes for this - the one that seems to encompass them all (and more) being this one: How can I use an external USB sound-card and set it as default?
But none of them have ...
0
votes
0answers
36 views
Cannot increase gain on USB Microphone
I got myself one of those cheap USB microphones and it basically works out of the box with arecord, it's just way too quiet. The level on the virtual UV meter never passes 1%.
Here's what I got, ...
2
votes
0answers
113 views
ALSA errors on raspberry pi 4
So i'm trying to make a virtual assistant on a raspberry pi 4. I have coded the bot to work on my windows machine but now I'm running into errors while using the raspberry pi I figured out which part ...
2
votes
0answers
33 views
Real Time audio recording from two audio input and playing simultaneously in 2 audio output
I have one Raspberry Pi with 2 USB speakers and a mic system. I want to record simultaneously from one mic and play in another speaker. Like, MicA recording will be played in SpeakerB and MicB ...
1
vote
0answers
31 views
Change Default Microphone
I am having trouble changing my default mic on raspbian buster lite (kernel 4.19.36 on the 3B+).
I know that the mic is fully functional because when I run: arecord -D plughw:1,0 --duration=3 test.wav ...
0
votes
0answers
30 views
Suppress Midi CC Messages during midi merge on RPI USB Midi Host
I have followed the instructions here to create a RPI to act as a usb midi host: https://neuma.studio/rpi-as-midi-host.html
Its great and works nicely however I would like to suppress Midi CC message ...
1
vote
0answers
76 views
Route native Alsa app audio to bluetooth speaker with Pulseaudio?
I have an app that only supports Alsa, and I want to route its audio to a Bluetooth speaker. I'm attempting to use Pulseaudio to do it if that is possible.
The Bluetooth speaker is paired and I can ...
0
votes
0answers
28 views
Can't user alsaequalizer in KODI
I have OSMC (KODI) on RPI 3. I managed to use alsa equalizer with command:
aplay /usr/share/sounds/alsa/Front_Center.wav
My asound.conf file:
pcm.!default {
type plug
slave.pcm plugequal;
}
...
1
vote
0answers
53 views
Getting gstreamer to produce out of usb-audio
I cannot get gstreamer on raspbian (buster) to play through a
usb-audio device, despite other players (vlc, aplay) being able to do
so. but i need gstreamer because of its API access, for mpd players
...
0
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0answers
414 views
raspotify / librespot won't output audio with my ALSA config
I am trying to get the sound from librespot to my Amiga via A314 (raspberry pi expansion card for Amiga) without any success.
At the moment I can play audio with mpg123 on my Amiga by using a custom ...
2
votes
0answers
193 views
no audio with playbin or autoaudiosink on gstreamer, but plays with alsasink
recently upgraded my raspian, and installation of RPi with Hifiberry AMP.
and my python application that utilizes gstreamer's api is no longer working.
as a test to figure out why I am using the gst-...
2
votes
1answer
831 views
bluealsa: Couldn't acquire D-Bus name: org.bluealsa
Trying to use my Raspberry Pi 4 as an A2DP Bluetooth sink using bluealsa.
As reading the documentation of bluealsa:
It will register org.bluealsa service in the D-Bus system bus, which can be used ...
1
vote
1answer
183 views
What are those ALSA Subdevices and what are they used for?
New to the community.
I was curious about one specific part from the ALSA driver on Raspberry Pi 4 (or even on other Linux machines using ALSA).
So $ aplay -l lists all current audio devices, but ...
0
votes
0answers
26 views
Sound control does not work when card 1 is selected
I have USB speakers connected to my Raspberry Pi 1 model B.
Output of aplay -l:
**** List of PLAYBACK Hardware Devices ****
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
...
0
votes
0answers
234 views
How to increase mic input volume?
I recently bought a usb soundcard and a 3.5mm microphone for my raspberry pi 4 to use for a python project for speech recognition where I want the pi to be able to hear to conversational volume voices ...
0
votes
0answers
28 views
record internal audio
I would like to record the audio generated by a program on the pi and pass the audio stream to another program.
There is software I don't control doing the equivalent of sudo aplay FILE
The sound is ...
0
votes
0answers
31 views
RPi alsaaudio.PCM works good for Python2.7.16 but not for Python3.7.3
I am new to audio related programming in RPi. Following code works well and playing sound from a wav file in Python2.
import alsaaudio as aa
output = aa.PCM(type=aa.PCM_PLAYBACK, mode=aa.PCM_NORMAL, ...
1
vote
1answer
223 views
Installation of kernel module for I2S Mic fails
I have a I2S mems microphone from adafruit. Now I am following the guide at https://github.com/nejohnson2/rpi-i2s#compile-the-i2s-module
Now after I have mounted the debugfs I attempt to look for the ...
1
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0answers
1k views
What does amixer cset numid=3 3 do?
In order to solve missing audio via HDMI with Raspberry Pi 4B (Raspian Buster) I came across
amixer cset numid=3 2
which didn't do the trick for me. But randomly I checked numbers from 0 to 4 and ...
0
votes
0answers
307 views
VLC player can't play larger media files on raspbian
I am using Pi 4 for an week. I tried some media players available on repository like vlc,kodi,mpv etc.
I have noticed none of them can play a media file(mp4,avi,mkv) smoothly. So I am stuck with vlc. ...
0
votes
0answers
60 views
USB mic input + 3.5mm jack output
I'm trying to set up my Rpi using a USB mic and output through the 3.5mm jack.
If I select the USB mic in alsamixer, I don't have any sound at all. If I use the 3.5mm I get sound but cannot record ...
5
votes
2answers
4k views
Pi 3 B+ no audio device found
I have been trying to use Alexa on my Raspberry Pi 3 B+ (running Stretch). I ran Alexa successfully, with a USB microphone and a speaker connected through the 3.5mm jack, about a week ago and went on ...
3
votes
0answers
139 views
Microphone is not recording with HifiBerry and Raspberry Pi 3
I installed the HifiBerry driver as specified. The Board is recognized and the audio output works fine.
Just the audio input seems to be not working. I checked if the microphone is muted but I can't ...
2
votes
2answers
218 views
Pi menu bar flashes then disappears - due to ALSA config
I have built a new image on a RPi3B+ with Noobs using the latest Raspbian which I believe is named Buster. I uninstalled libreoffice (for space) and have installed various python libraries and the ...
1
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0answers
2k views
ALSA Errors on Pi 3B+ using SpeechRecognition and PyAudio (Original Post missing stuff)
Using PyAudio I simply ran this piece of code:
import pyaudio
p = pyaudio.PyAudio()
for x in range(p.get_device_count()):
print(p.get_device_info_by_index(x).get('name'))
Getting these Errors:
...
0
votes
1answer
763 views
Text to speech errors
I try to make a python script for Raspberry Pi 3 B+ with Raspbian to speak text I input. I use pyttsx3 library but I also tried espeak from command line.
Every time, the sound is very laggy, it start ...
2
votes
0answers
125 views
How do I capture and stream HDMI audio out to LAN
I have a RPi that is running videos with omxplayer and outputting to my tv. HDMI video and audio out work just fine, but I would additionally like to stream only the audio to my network (via RTP or ...
1
vote
0answers
229 views
Mopidy with PulseAudio sound over TCP
So I have been struggling with this for a while now and looked everywhere for solutions.
I have installed Mopidy with Spotify extension on my Raspberry Pi 3B but I can't seem to get the pulseaudio ...
1
vote
0answers
37 views
Aux and HDMI audio options missing
Background (To give some perspective on the issue):
I am using mopidy and mopify as an audio server on a Raspberry Pi 3 B+. WHen setting this up, I found that it would not output through a USB audio ...
2
votes
1answer
1k views
ALSA input error (snd_pcm_open): No such file or directory - Problem with running Pd with ALSA
I am pretty new to Raspberry Pi, so sorry if I might be not clear on something.
I am trying to set the Raspberry Pi 3 to work running a Pure Data patch while communicating with two Arduino UNO, and ...
2
votes
0answers
131 views
USB audio device is displayed as default, but is not
I have set the USB device on my Raspberry Pi to default. The file /lib/modprobe.d/aliases.conf:
options snd-pcsp index=-2
options snd-usb-audio index=0
options cx88_alsa index=-2
options snd-atiixp-...
1
vote
0answers
382 views
Connect Raspberry Pi via Bluetooth to Sound Bar
after spending the last couple of weeks trying to connect my bluetooth soundbar to my Raspberry Pi 3 B+ and playing all audio output on it I am close to giving up.
Using the GUI I can successfully ...
1
vote
2answers
3k views
Setting up config for alsa at /etc/asound.conf
I have the following set-up with 3 USB audio devices - one for the output, the other is an input from my record player which I put on module-loopback, and the final one is a PS3 eye that I am trying ...
1
vote
1answer
88 views
How can I find the answer to “What does Raspbian use to handle audio?”
I think some releases of Raspbian handle audio differently than the previous version. If the use of ALSA or Pulse Audio (or some other software) has changed with Raspbian releases, what do I need to ...
2
votes
1answer
275 views
soundcards suddenly disappear (adafruit speaker bonnet + neo pixels)
This afternoon I was playing sound through my adafruit speaker bonnet just fine.
That means I installed the speakers and neopixels according to the guides and had multiple reboots for circuit python,...
2
votes
1answer
368 views
How can I direct the output both of mpg123, and of eSpeak to the same ALSA sound device?
I'm currently struggling with the following scenario: I'd like to make my Raspi (3B) play a short MP3 jingle and then, after a 250 µsec pause, speak a short text by using an add-on sound card (...
1
vote
2answers
775 views
aplay can see sound device but amixer can't
I'm using the speaker bonnet / following instructions from adafruit: https://learn.adafruit.com/adafruit-speaker-bonnet-for-raspberry-pi/raspberry-pi-usage.
I followed all of the steps (skipping the ...
3
votes
0answers
564 views
Raspberry Pi Zero W Alexa Microphone Not detecting, but speaker works
So I have looked online and I even got different mics and adapters to get this working, but it still doesn't work. I was able to successfully setup my Alexa Pi on the RPi Zero W, because when I boot ...
0
votes
1answer
287 views
Pulseaudio module-combine-sink always throws Failure
I am new to pulseaudio. As per my requirement, I need my audio output to be routed to either connected speaker, bluetooth speaker, or both.
I am able to play the media file on speaker, or bluetooth ...
