Questions tagged [audio]

The Raspberry Pi has an analogue stereo audio jack output (Pi 1 A/B/B+, Pi 2, not Pi Zero), and audio can also be heard through the digital HDMI output (all models).

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36 views

How to select audio output in Raspberry 4

I have a youtube video playing in Chromium and I can hear the sound that comes from HDMI, to the built-in monitor speakers. How can I select where the audio goes? I'd like to hear the sound in the ...
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1answer
58 views

Can I control the volume from my phone when using shairplay with optical output?

I've recently bought a Raspberry Pi to use as an AirPlay device, using Shairplay. However, I've realized that the audio quality from the 3.5 mm plug on the Raspberry Pi is quite bad, meaning that I'm ...
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1answer
30 views

how to play audio from python on Raspbian Stretch Lite?

I would like to play selected audio files through the built-in audio port on a Raspberry 3 that is running Raspbian Stretch Lite, from a python program. Unfortunately, none of the libraries or ...
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Rpi become frozen with python loop script after few cycles

It is a bit hard to show and ask to review entire code, so please let me describe it. I am using Rpi as serial-controller with python script but the python script become frozen.(technically I have to ...
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26 views

Get audio samples sent to Output Device

I want to get in real-time the audio samples that are sent to the output device (i.e. analog audio or HDMI). Is there any way to read those samples? I'm running the latest Raspian Lite on an RPi4. ...
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1answer
32 views

No sound trying to play a Python sound on Raspberry Pi

Just wondering if anyone can help me get the sound to work on a Raspberry Pi? I keep getting an error message: Sound = pygame.mixer.Sound('/home/pi/gpio-music-box/samples/drum_tom_mid_hard.wav') ...
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2answers
1k views

Error after (trying to) recording usb microphone with alsa record

I'm setting up alexa-pi and everything was going smoothly until the final step which is running a wake word engine. I'm keep getting " 'pcm' failed." error. I've read somewhere that in order to this ...
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1answer
133 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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1answer
3k views

Usb sound card and mic not working

I have connected a usb sound card to my rpi 3 model B but the problem is even though the speaker connected through the sound card is working the mic is not. If I try arecord -d 10 -D hw:0,0 -r 16000 -...
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30 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 ...
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62 views

Raspberry Pi 4 - Dual Audio with Dual HDMI

I have a Raspberry Pi 4. The thing is, I want to play 2 videos at the same time, since the RPi-4 has 2 HDMI outputs. BUT I also want to have split audio. The audio from video 1 should go out over the ...
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1answer
791 views

Playing audio in C?

Every audio engine I've tried (SoLoud, cAudio, openal-soft) hasn't worked on my pi zero. I just want to be able to play audio in a program without too much hassle. I can use a system call like system("...
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2answers
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Generating Stereo Audio in PI programmatically

I want a stereo output form the PI. The sound being played will not be a recorded sound rather it would be generated using a code (preferably python). For example, the program's input will be (x,y,z) ...
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1answer
808 views

High background noise with USB microphone

I try to use a USB microphone such as this or this on raspbian (tested on Linux raspberrypi 4.1.18, 4.9.41 and 4.9.59). It is in the list of lsusb Bus 001 Device 005: ID 0d8c:013c C-Media ...
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1answer
22 views

I2S data stream format

While I'm working with RPi I2S and couple of DACs, I notice something which I like to verify in here. When I connect the scope to I2S interface I usually see waveforms similar to this: In here 1st ...
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35 views

Raspi 4 - PulseAudio Server issues

I am currently trying to setup a pulseaudio server on a new Raspberry Pi 4. In our office, we like to listen to music but passing the aux cord around is always a pain, so we thought we could use a ...
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1answer
30 views

Set speaker jack in Lakka to default?

I have a small sound issue in Lakka (on the Pi 3 model B+) and was wondering if anyone knows how to fix it. Basically, everytime I start Lakka I have no sound using the Speaker jack. This answer ...
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1answer
3k views

How to automatically force audio through headphone jack?

I am pretty new to using Raspberry and this may be a noob question. I figured out that to output audio through the headphone jack I need to change the setting using raspi-config. But whenever I reboot ...
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1answer
2k views

Audio over Speaker Jack in Lakka?

I cannot seem to get Lakka to output audio to the Speaker Jack. Lakka sees two audio devices, but both look like the same thing, and neither gives me audio. Lakka (community) Version: 2.0 Lakka:~...
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1answer
351 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 ...
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4answers
971 views

Sound Processing using USB sound card and microphone

I want to use a microphone and get input from it to sample it in real time and I don't have a set idea about how to interface it to get the input. Any help will be appreciated.
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2answers
2k views

UV4L audio + video recording or stream?

I have experimented with a number of different ways of streaming both audio and video from the raspberry pi. The UV4L web server has great webRTC support, and the bi-directional audio/video ...
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1answer
568 views

MPD with Bluetooth

Is it possible to run MPD with bluetooth in the Pi? Currently many guides which I have seen are mostly utilizing Upnp/Wifi setup to run. Now this is fine if there was only Apple devices. Since ...
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2answers
944 views

Cirrus Logic Audio card replacement for recording

As is probably well known the Cirrus Logic Audio Card has stopped being manufactured and as such is proving very difficult to get. My reasons for wanting this card was that I needed something with a ...
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1answer
787 views

Using mopidy to stream audio to MPoD

I've installed mopidy on a clean build of Rasbian Jessie. I've managed to run it, and get MPoD to connect to it over my local WiFI. I've configured mopidy to enable the mpd server (hostname = 0.0.0.0 ...
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2answers
518 views

I lose all audio when I install the Waveshare drivers on my Raspberry Pi 3

So I've been trying to get my Waveshare 5inch LCD to work with my Raspberry Pi 3, I've gotten the drivers installed and the touch function works fantastically, but once the drivers are installed all ...
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27 views

How to Route Audio for Rpi

Problems with Audio in Linux Problem: Audio Routing in Rpi Goal: receive audio stream from connected device (bluetooth/wifi) then analyze the digital signal in a Processing script on the RPi ...
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0answers
21 views

Why is my controller hi-jacking my audio?

Ive been tinkering on the RetroPie for a while, all good so far, but this latest question has stumped me now. I bought a new controller, a PS4 third party wired controller. After plugging it in, the ...
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35 views

Wifi Speakers like bluetooth speakers using raspberry pi 3b+

So basically I was able to use my raspberry pi as a bluetooth audio out device that is, connecting a speaker via audio jack I'm able to make it a Bluetooth speaker. I'm wondering if there's a specific ...
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1answer
774 views

Audio Processing Issues in PyAudio in RPi

Basically, I want to analyse the spectrum of the input audio stream to my Raspberry Pi. I have configured my Audio USB Adapter and ran sample tests on Play and Record. I am using PyAudio to take ...
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1answer
124 views

Cannot set system volume

I installed my Pi 3B into a Pimoroni Picade a few months ago, and installed RetroPie from source (as a fresh install). After running the Pimoroni-supplied setup script, RetroPie, EmulationStation etc ...
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1answer
5k views

Having trouble sending audio data over TCP using Sockets to raspberry pi

I am trying to do something like a walkie talkie. 1 device is my laptop and the other being the raspberry pi. What I have working. I am able to record the microphone, transmit it over a socket and ...
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2answers
213 views

Is the 3.5mm audio jack tied to a GPIO pin?

I have a Raspberry Pi 2 B+ and I would like to confirm that the 3.5mm jack isn't tied to a GPIO pin. I could not find any information on this and thought this may be the case but I wanted to double ...
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1answer
6k views

Best FFMPEG configuration for recording Video+Audio with RaspberryPi and USB WebCam

I've spent so much time trying to figure out how this FFMPEG and their libraries work :( I have a RaspberryPi 2B and a Logitech USB Webcam. Here is the input from FFMPEG list from my /dev/video0: ...
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18 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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2answers
364 views

Combine/Merge different Raspberry Pi Images

I tried to find something about it, but I didn't found anything. I want to run the two images of Picroft and Pi MusicBox or Volumio on the same Raspberry Pi. Is there a way of merging/combining two ...
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0answers
31 views

Simple Sound Card with I2S - how do I switch frequencies?

I asked this a month ago, but didn't get an answer and so the thread was auto-deleted. It is becoming critical that this be solved, so I am reposting. I have the simple sound card working with a ...
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2answers
3k views

Bluetooth connection attempt gives “Failed to connect: org.bluez.Error.Failed”

I'm a recent RPi user. Pi version - Pi 3, Model B Bluetooth speakers - Philiphs BT64R I've tested the speakers with other devices and the bluetooth pairing works fine. I've also tested my Pi with ...
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0answers
60 views

Ugreen USB Soundcard - Microphone IN fail but Speaker OUT work

I am using the Ugreen usb soundcard because I have to build an SPL measuring instrument. I am using a Raspberry PI 3B+ with Debian. I've config the asound.conf in this way: pcm.!default { type ...
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0answers
187 views

Bluetooth audio device as (virtual) hardware device (for SIP-calls via Linphone)

I have an external USB-Bluetooth-Dongle plugged to my Pi and a Bluetooth Speaker (with microphone) that is connected via the dongle. I manually compiled blueZ to version 5.50 and bluealsa to version ...
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1answer
57 views

Pi bluetooth audio: can't get LMS squeezelite audio to BT

I have a Pi 3B+ running Raspbian Stretch. I want to send audio via the built-in BT to a Logitech Audio Adapter which feeds my stereo. I can do this from the command line via either aplay or mpg123 so ...
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0answers
22 views

How to Volume control PAM8610 from RPI

Does anyone know how can I control PAM8610 module volume through code from RPI? Thanks.
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1answer
2k views

using php_exec command to play audio on the Pi - no audio group

I'm trying to have a php script play an audio file when run shell_exec('aplay /home/andrew/www/audio/meeting-bell/medium-bell.wav') It works when I run it from the command line, but not when running ...
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1answer
772 views

Using digital microphone with my pi

I wanted to ask, can I connect a digital microphone to my pi somehow, so that the input will be digital and then to use the data and convert it to an audio file? If so, what should I get and how do I ...
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0answers
30 views

softly increasing and decreasing volume with mpg123

I am using Picroft on raspberry pi 3. In picroft, every mp3 files run with mpg123. I am creating my own device using this OS. when I say it to sing a song it starts singing by playing mp3 files and ...
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3answers
7k views

No audio output via USB sound card

I bought an external USB sound card for my Raspberry Pi because the sound quality of the built-in 3.5mm audio jack is not that good and I experienced a lot of noise. The retailer of the sound card is ...
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0answers
770 views

Why won't pygame play sound over Bluetooth when everything else works?

I having trouble getting a program I've written using the pygame sound mixer to play sound to work over Bluetooth. The program is able to work correctly over HDMI audio. The Raspberry Pi has no ...
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1answer
29 views

Pi 3 B+ sudden audio failure

A few months ago I bought a RasPi 3 B+ to act as an overglorified doorbell using reed switches to tell the Pi to play a custom MP3 with the "Playsound" Module into the Company's PA system. It worked ...
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0answers
16 views

Sox error: ALSA lib bluealsa-pcm.c:200:(io_thread) PCM FIFO write error: Broken pipe

I'm trying to use my Raspberry Pi as a white noise generator using SOX and my bluetooth speaker (BOSE mini soundlink II). Everything works great at first, however after a certain period of time (as ...
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0answers
41 views

FM Radio with HifiBerry Amp2

Is there a way of running a Raspberry Pi 3 with a mounted HifiBerry Amp2 together with an FM Radio Module e.g. TEA5767 FM Radio Breakout Board? Currently I set up my RPI to run Mopidy and Spotify ...