Questions tagged [usb-audio]
48 questions
5
votes
1 answer
is it possible to connect a USB microphone to Pi Pico
I am attempting to do some real-time audio processing using the Pi Pico. I know that a MEMS microphone can be connected and used for this purpose (see here and here). However, I need to use an analog microphone that runs through an XLR cable to an…
fishfinder
- 51
- 3
3
votes
1 answer
USB Soundcard shows mic as Playback device in alsamixer
I have some trouble with my USB sound card 68878 from goobay.
Alsamixer showing unexpected devices
Secondly when I use alsamixer displaying Playback items. I see both a Speaker and a Mic:
For Capture I see a stereo item called Mic:
I would expect…
Besi
- 1,004
- 4
- 14
- 26
3
votes
0 answers
PS3 eye's 4ch microphone with the Raspberry Pi
Recently I have been trying to get the 4ch microphone on the sony playstation 3 eye to work with my Raspberry Pi 3B (running the latest OS of raspian-stretch to date (2018-06-27 version) as a part of a home automation project. So far i've not had…
Edward George
- 31
- 3
3
votes
1 answer
pulseaudio: [alsa-sink-USB Audio] alsa-util.c: Got POLLNVAL from ALSA
I am using an external USB sound card with a Raspberry Pi Zero W. Once in a while (up to every few minutes when playing sound) it will stop playing and /var/log/syslog logs this error:
May 21 22:52:04 music pulseaudio[14294]: [alsa-sink-USB Audio]…
fuenfundachtzig
- 201
- 2
- 6
3
votes
0 answers
USB Audio Interface not recognized
I've got an IKMultimedia IRig Pro Connected to PI4B
It appears in Jack under ALSA-MIDI but I can't find the System-Audio Input
Running lsusb shows me
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 093a:2510…
macbert
- 131
- 4
2
votes
0 answers
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-modem index=-2
options snd-intel8x0m…
micharaze
- 121
- 2
2
votes
0 answers
High-speed USB Audio Streaming
I am using a Raspberry Pi 3B+ as the USB host for an embedded device that I have configured to appear as a USB Audio 2.0 compliant microphone.
I am currently using PyAudio for opening and recording the audio stream. For testing purposes, the…
Ali Rahman
- 46
- 6
2
votes
1 answer
RPI outputs to correct audio from shell but not from startup script
I'm using my rpi 3B+ as a headless embedded device. It has a USB speaker which I want to use for audio output.
What I've done
Having been through a number of SE questions, I've got a new alsa conf file setting the device priorities so that the USB…
almcnicoll
- 121
- 4
2
votes
1 answer
connect raspberry pi to fax machine
I want to connect raspberry to fax machine , because I want cypher message before transmit via landline phone .
how can do it , how can interface between rasp and fax machine ?
Same Abazed
- 33
- 4
1
vote
1 answer
Rpi Webrtc echo cancellation - aec
I am using Rpi-Webrtc-streamer for webrtc on raspberry pi with usb sound card connected to audio amplifier for speakers and electret microphone. I am able to run webrtc correctly but with issue of mic catching echo from speaker. I have tried to…
Akshit
- 11
- 3
1
vote
0 answers
Constant beep when recording sound
I am using an external sound card with my Raspberry Pi 3 Model B+. I have already disabled the default bcm2835 sound card. I have checked that the my external sound card is active. I have turned up mic and capture volume using alsamixer. When I try…
Abrar Hossain
- 81
- 1
- 7
1
vote
0 answers
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 device. After looking through many forum posts…
NathanielJS
- 178
- 1
- 2
- 13
1
vote
0 answers
Send 24/96 pcm music from an rpi3b+ to a zero one
As my title says, I'd like to send audio from an rpi3b+ to another one.
Preferably a zero one via a GPIO connection.
My target is to have a dedicated device to only manage an USB DAC.
Ideally an Rpi Zero, because I want the smallest system…
Julien Pardo
- 11
- 1
1
vote
0 answers
Multiple USB-audio dongles in raspberry pi
I need to record multiple microphones independently based on external events. I wonder if having a USB hub and multiple USB-audio dongles will allow me to do so.
So my questions are:
How are these devices recognized by the Rpi?
Could they be used…
gustavovelascoh
- 196
- 6
1
vote
1 answer
setting up audio for google assistant on raspberry pi
I'm following a tutorial for setting up audio for google assistant. It said to save this script with card and device numbers that I wrote down:
pcm.!default {
type asym
capture.pcm "mic"
playback.pcm "speaker"
}
pcm.mic {
type plug
slave {
pcm "hw:…
Alex
- 19
- 3