Questions tagged [usb-audio]

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17 views

Raspberry Pi, USB Audio Card and 3.5mm Microphone

I've been trying to use this USB Audio card: https://http2.mlstatic.com/tarjeta-de-sonido-usb-71-con-control-de-volumen-D_NQ_NP_904044-MCO31004989404_062019-F.webp as sound output and input. I ...
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23 views

The sound/speaker of my pi-top doesn't work

Can someone help me find out how to fix this. I have tried turning on 12S sound and rebooting. I have tried using the hdmi speaker that you put inside but that doesn't work either. Can someone help me ...
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1answer
68 views

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 ...
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87 views

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 ...
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26 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 ...
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15 views

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 ...
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0answers
54 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-...
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30 views

2 USB Sound Cards in Raspberry Pi

I have a pair of Alesis Active Monitors which have a USB input and it's a pain connecting devices to it so I felt using a Rasberry Pi with bluetooth and audio ins to allow for multiple connections ...
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20 views

Separately python audio output and osmc output

So I'm doing a project .I am using raspberry pi 3 as a media player using osmc and is connected to my projector. I have written a python file so that it uses voice recognition (pocket Sphinx) to use ...
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174 views

Microphone Error: arecord: main:722: audio open error: No such file or directory

I am a 100% beginner when it comes to raspberry pi and this is my first project. I am trying to configure a microphone and speaker for an alexa module being integrated into my magic mirror project (...
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1answer
50 views

Can I use the Raspberry Pi as a Soundcard

I have an HifiBerry AMP2, which is a RPi hat that lets the RPi act as an audio amplifier. Now I want to connect my PC (Mac) to the RPi, but it does not have a line- or mic-in. So I am wondering if I ...
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30 views

TDOA Estimate and Plotting results on Matlibplot

I edited the following code in order to the estimate location of sound source(drone) using four stereo microphones. The microphones are connected to Rpi 3 through a stereo to usb converter (HF0200C). ...
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149 views

getting command not found with “rec”

I am trying to get my microphone set up correctly for a magic mirror, but something tells me it isnt yet as I cannot get the "rec" command to work. It gives "-bash: rec: command not found" when I try. ...
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33 views

arecord only works with -D

Long story short, my mic was working fine yesterday. I then had a pair of USB speakers connected and then again disconnected. And now I cannot get the little thing to do a arecord with using the "-D" ...
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101 views

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 ...
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48 views

How to enable audio volume on 3b+ /w vx1 usb sound card

I have an rpi 3b+ that I want to get all audio to come out of the USB sound card - a VX1, which seems to have worked on an earlier version from this When I power it up / connect it, it gets detected ...
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1answer
367 views

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....
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1answer
130 views

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 ...
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2answers
281 views

Real time sound level through usb audio card?

I am wondering if there is an easy way to measure the amplitude/sound level of an audio signal being input to the rasbperry pi via usb sound card. I would like to play music into the sound card input ...
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1k views

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 ...
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1answer
61 views

Pi Zero system not seeing USB port

I’m a nooby who built a Pi Grrl Zero, and it was working fine. I could plug my mini keyboard dongle into the USB data port and it worked. Then I plugged in an audio adapter. That was a mistake! ...
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1answer
218 views

Would the Adafruit USB Audio Adapter be sufficient for Pi 3 B+ audio?

I have a Pi 3 B+ and overall it's really good but has one glaring defect: the audio from the audio jack with a set of (non-HDMI) external speakers is total and utter garbage, distorted almost beyond ...