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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No sounds playing from USB external speaker on Raspberry Pi

I'm trying to get some sound to play via an external USB connected speaker from my Rasp Pi 3 Model B. aplay -L gives me this entry (along with many others) default:CARD=Device USB2.0 Device, USB ...
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1answer
4k 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
18 views

Scratchy audio with certain wav files

I'm using a Raspberry Pi 4 with an Adafruit I2S Stereo speaker bonnet. I've run their setup script and rebooted many times. I can play sample mp3 files just fine. They usually sound great. (I've had ...
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1answer
103 views

Using pigpios waves and audio output

I am using a Raspberry Pi 3 B+. I want to play audio through the 3.5mm jack and use PWM at the same time or successively to simulate a IR-Remote. I know that you can't use the hardware PWM while ...
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4answers
1k 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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1answer
452 views

WaveShare WM8960 Audio Sound Card / HAT Installation on Rpi Zero W Problem

I recently bought the WaveShare WM8960 Audio HAT said compatible with Raspberry Pi Zero W. The install complete without trouble, I can see that the soundcard is installed by typing sudo dkms status ...
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1answer
322 views

Identify which microphone is on which audio card using arecord

I'm using a Raspberry PI and on it I plugged two same USB microphones. I would like to be able to identify which USB microphone is on which audio card when I list devices with arecord: arecord --list-...
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2answers
3k 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
1k 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
1k 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
926 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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How to make a Led Visualizer with USB audio input

I've been trying to figure how to get this to work or a while now, I've found a GitHub for a led strip visualizer called ledvis and it supposedly works with audio input, but the depository is very ...
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1answer
104 views

Audio Injector stereo soundcard is preventing boot

I recently bought a Audioinjector stereo soundcard HAT to stream sound on my raspberry pi running Raspbian. I went to their website and installed the .deb installer file and ran it with audioInjector-...
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3answers
644 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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Possible ways of 16khz sound input in raspberry pi 4

I am using the Teensy 3.2 development board for converting audio signals from analog to digital. Also, you can be called a custom USB sound card. Here I attached the Audio programming diagram. I am ...
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1answer
920 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
35 views

Generating single-frequency sound with Python, but no sound is produced

I just got a new Raspberry Pi 4 and am trying to write a Python program that generates a sound that's just one frequency. However, I am having a problem that I cannot hear any sound coming out of the ...
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22 views

How do I set up soundwire as the ALSA in raspicast?

I am using raspicast to stream videos to my rpi and sound wire to stream audio to my phone. How do I make it so the ALSA output on raspicast is set to soundwire. I have no idea what to do.
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Why is the USB soundcard only available to root?

I seem to only be able to play sounds as root. if I run aplay -l i get aplay: device_list:270: no soundcards found... but as root `sudo aplay -l **** List of PLAYBACK Hardware Devices **** card 0: ...
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1answer
42 views

Chopping audio over bluetooth with PulseAudio

I have an issue with a Raspberry Pi 3B+ and audio over bluetooth, it is configured with PulseAudio and BlueZ to connect my phone on the Pi, it works great but there is minor audio cuts (less than 0.5s)...
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0answers
30 views

Receive and send bluetooth audio to bluetooth device from Raspberry Pi 3

I have the Raspberry Pi 3 with the latest version of Raspbian Buster and I am looking for a way to have the RPi to receive Bluetooth Audio from a phone or laptop and output the audio to a bluetooth ...
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49 views

No audio from HDMI, Bluetooth, or Jack port (Raspberry Pi 4B)

new user here. Finally got around to using my raspberry pi 4B this week and I'm having troubles getting audio from all 3 methods mentioned in the title. I've researched here and there for hours about ...
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1answer
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How can I enable audio on a raspberry pi 4 running ubuntu 19?

I cant get audio on my raspberry pi 4 running ubuntu 19.Does anyone have a solution.Also I am running the 32 bit version. I cant get audio even though I have a headphone plugged in.
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1answer
786 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 ...
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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
71 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 ...
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3answers
9k 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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1answer
216 views

Setup respeaker pi-hat 2 on RPI ZW

I am trying to run snips on my rpi0w, and has mounted the respeaker pi hat on to it. Installed the driver using git clone https://github.com/respeaker/seeed-voicecard cd seeed-voicecard sudo ./...
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33 views

select audio sink via cmd line on buster

With Raspberry Pi OS Buster after connecting my bluetooth speaker, I can select this as audio sink very simple by right clicking on the audio symbol and selecting the bluetooth speaker. That works ...
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1answer
51 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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2answers
404 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 ...
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1answer
29k views

Is there some trick to getting aplay audio output working?

I have recorded a .wav file using the command: arecord test.wav But when I try to play it, there is no sound output. It's like the raspberry pi is stuck on mute. I initially thought that my ...
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3answers
4k 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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12answers
341k views

Why is my audio (sound) output not working?

I can't get the audio running. I don't hear anything and can not play anything. Is there a solution to enable audio?
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1answer
61 views

audio doesn't play when running program on startup

I have a python code that runs an mp3 file. It works perfectly when I run it through python 3.5.3 shell on my pi-top, and I also managed to make the program run on startup, but then everything works ...
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3answers
222 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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1answer
60 views

share audio from raspberry 3

I connected Raspberry 3 (OpenELEC 7.0.1.) to the projector (HDMI). I would like to play back movies from an external HD connected to Raspberry, but I need to share audio (wifi or bluethoth) to AV ...
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0answers
20 views

Audio works on some things but not others Raspberry Pi 4

I've recently bought a Raspberry Pi 4, which I've connected to a monitor with a VGA port using a VGA adaptor. I've connected a bluetooth speaker which works when playing Youtube but not when the BBC ...
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3answers
244 views

On-board or USB soundcard for better result?

I am working on a "low-latency audio" project and I was wondering which card offers better performances, an Usb one or an on-board ?
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2answers
308 views

Stream music from PC (Win10) to pi (BIG NOOB)

Hi i have a problem that i would be extremly happy to solve: I want to make my sound (If possible only spotify sound) go from my pc go to the raspberry pi and from the pi to a jackstick to my stereo. ...
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0answers
43 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&...
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2answers
52 views

My Raspberry Pi 4 does not output sound with my Acer Monitor [closed]

I have read every article I can find including the Raspberry Pi foundation website and tried everything that has been suggested but my Raspberry Pi 4 has no sound.
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1answer
791 views

Need advice on how to record video and audio using my RasPi

As an experiment and learning project, I want to create an action cam using my RasPi Zero W, the latest version of the RasPi camera module and an i2S microphone. I have found some RasPi action cam ...
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0answers
178 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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1answer
483 views

RPI 2 - Libreelec with Kodi - sound improvement

I installed Libreelec (with Kodi) on the Raspberry Pi2 and I did connect it to a PC Monitor (HDMI). PC Speakers connected to the monitor or even to the Raspberry Pi (3,5 mm jack) give me poor sound ...
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1answer
38 views

Audio processing the sounds of different wood working machines

In my garage wood shop I have the following power tools: table saw, band saw, disc sander, belt sander, and shop vac. Is there a sound or audio processing library that could differentiate between the ...
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2answers
636 views

Is it possible to use more than one audio card on GPIO?

I want to use more than one HiFiBerry Dac+ on a single Raspberry PI. It's possbile? to connect more than one audio card?
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0answers
4k views

No sound on Raspberry Pi Running Kali Linux

I'm running Kali Linux on my Raspberry Pi 3 Model B and I've had problems from the start. First, PulseAudio wouldn't connect to the server, so I removed it and installed a few packages with different ...
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1answer
20 views

Can I safely connect stereo headphones to the A/V jack of my PI 3B+?

I plan to use a conventional stereo headset on my Raspberry Pi 3B+. Can I safely connect its 3.5mm TRS plug to the TRRS A/V jack on the Pi? Is the composite video signal on the 4th ring not short ...
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1answer
37 views

Sound output setting on Raspbian

Hey I just got my Raspberry Pi 4B today. I am using lubuntu 20.04. I want it to output sound via HDMI. How can I do that?

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