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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21 views

usb sound card no sound with putty

I am trying to configure my USB sound card for use on the pi. With the graphical interface, I can change the sound card and output the sound to the USB card. Without the graphical interface with Putty ...
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1answer
43 views

Is it possible to receive an FM radio's audio stream in software?

My goal is to be able to "rebroadcast" FM radio over the internet. What I mean by this is connect some kind of FM radio board to the raspberry pi, and receive the audio in software (i.e. ...
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Live streaming camera and microphone input on a Raspberry Pi 4

I got a a Raspberry Pi camera and a USB microphone connected to the Raspberry Pi 4. All of them are working seperately. But now, I would like to stream them live and combined for accessing it in HTML. ...
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1answer
25 views

Can't access Mopidy-MusicBox Webclient hosted on raspberry pi from other computers on LAN

I am running a mopidy server on my Raspberry Pi 3B, using the Mopidy-MusicBox Webclient. I got it up and running locally on the pi and if I browse to http://localhost:6680/musicbox_webclient from the ...
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3answers
95 views

How to command the raspberry pi to mute and unmute its microphone

I'm using a raspberry pi for a custom voice assistant I'm building. I need to mute and unmute the microphone for certain parts of the program I'm running. Is there a simple lx terminal command to do ...
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3answers
77 views

`aplay` and `espeak` cannot play audio on user that is not pi

I'm trying to test the audio through the headphone jack using aplay /usr/share/sounds/alsa/* on Rasbian 5.10.17 on a Raspberry Pi 3 B+. This works fine on the pi user, but not on root or another user ...
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1answer
23 views

I need help playing audio with the RPi

So I'm trying to get the pi to intake audio from an audio input device and directly send it to an audio output device in real time with as little latency as possible. The problem is that I do not know ...
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42 views

PyAudio no sound

I have a Raspberry Pi 4 and am trying to figure out why PyAudio doesn't output any sound. speaker-test outputs pink noise to the headphone jack. aplay sound.wav also works python3 play_wave.py sound....
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1answer
44 views

Connecting the pi to a phone using a RJ11 cable to send and receive audio

I'm trying to connect the pi 4 model B to a phone that I bought off Amazon (https://www.amazon.ca/Wild-Wood-Phone-Retro-Design/dp/B00H20B2GM). This phone is not connected to a landline or anything as ...
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17 views

How to split single micro-usb to several independent aux channels

I have a Raspberry Pi Zero with Debian Linux running home automation software (Home Assistant). Instead of using different phones' alarm clock for awakening in the morning I would like to manage it in ...
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51 views

Stream Xbox audio to raspberry pi via Xbox Wireless

Is it possible to transfer Xbox Audio to raspberry pi via Xbox Wireless protocol? i.e. using raspberry pi as a Xbox controller. I need to record in-game chat voice conversations, because for some ...
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1answer
39 views

Using Raspberry as a synthesizer for a USB MIDI keyboard

I have a Alesis V49 MIDI keyboard, it only has a USB type-A output. In order to use it as a synthesizer, I currently connect it to my PC via USB and use specific software to produce sound. I want to ...
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24 views

Raspberry PI as a WiFi external sound card

The setup I am trying to create is as follows: Windows 10 laptop Raspberry pi 2 (version with 1Gb RAM) with WiFi dongle and USB Sound Blaster sound card, where the microphone and headphones are ...
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1answer
13 views

Looking for suggestions, Pi synthesizer or autonomous recorder?

I'm hoping someone may help provide me some direction for a project I am working on. What I am looking to do is set up Pi to record audio (spoken) and then play back automatically. Ideally this audio ...
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Apply EQ to audio in and monitor audio out?

This post was moved here from Stack overflow. I am trying to make it possible to take the microphone input, have the input be filtered by the ALSA EQ plugin (or any other controllable EQ), and hear ...
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failed to simultaneously call aplay and arecord with alsa on Pi

for my project, I'd like to call arecord and aplay simultaneously like the following: aplay -d 20 signal.wav & arecord -c 2 -d 20 -f S16_LE -r 48000 speaker_response.wav so that when a test ...
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Update means Respeaker Seeed Soundcard will no longer install. What can I do?

I've been using the Respeaker 6 Mic array and Seeed-Soundcard for months and was just about to start a field deployment with them however I reflashed my SD cards and tried to reinstall the soundcard ...
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19 views

RPi4 jack only works when HDMI connected

I have a RPi4 with an USB microphone (I think it's unrelated to the issue) and jack speakers powered via USB. This set up worked flawlessly in a RPi3B, by the way. (Raspberry Pi OS) The problem is ...
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22 views

A2DP doesn't work with PC, but works with a phone

I used this project to set up A2DP. There is no problem with a phone <-> rpi connection. However, my PC (elementary OS) is struggling to connect to Raspberry Pi 4. But even when it does connect ...
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23 views

PyAlsa not working in Buster - missing libasound.so?

I have been trying to run an audio capture program that has worked (for other people) on a Pi4. Looking at the PyAlsa documentation suggests that /usr/lib/libasound.so needs to be present. It is not....
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51 views

Can't get sound on Raspberry Pi's 3.5mm audio jack

I've been asking this question everywhere. I've checked lot of resources, manuals, documentations out there. But couldn't get any sound out of my speaker. I tried the YouTube video tutorials also, but ...
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0answers
100 views

Bit-perfect USB Audio gadget

I want to use Raspberry Pi Zero as a USB DAC with switchable sample rate. Maximum resolution should be 96/24 with all 4 common rates ie. 44.1, 48, 88.2 an 96 kHz supported. It should also work with ...
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25 views

Python sound recognition?

I'm trying to program my Pi to monitor for specific sounds like buzzers, alarms, etc. I've seen articles suggesting the use of a "sound sensor", but I already have a microphone (an AIY ...
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17 views

Tutorial of Raspberry Pi audio capabilities

I have a Raspberry Pi 4 with Raspian installed. When it comes to controlling the built-in audio architecture, I find many attempts on the internet that show how to accomplish some particular task. I ...
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107 views

Hardware controls and low-latency loopback for USB audio (C-Media CM108)

RPi Zero W with 2021-01-11-raspios-buster-armhf-lite. I have a USB audio card (Logilink UA0053, USB-A plug, same generic plastic case that the blueish "3D Sound" units for USD 0.5 have) that ...
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50 views

initialization problem with PyAudio on WM8960 audio card. No input sound at first launch

First at all I am on a Raspberry Zero W. I have blacklisted the snd_bcm2835 by adding blacklist snd_bcm2835 in the sudo nano /etc/modprobe.d/raspi-blacklist.conf I don't know really what it does. Its ...
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1answer
64 views

MPG321 “Home directory not accessible: Permission denied” on PHP exec_shell

I try to execute a shell from a PHP using exec_shell() function, but it doesn't working. I've tried chmod, chown and doesn't execute but on terminal yes. Sorry for this question but I really need a ...
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1answer
35 views

How to fix abrupt start to audio

I am using rpi4b with raspbian dated dec 2020 and seeed respeaker mic hat 2 and notice there is an abrupt start followed by some silence to the audio. Here is a sample with a simple test arecord -D ...
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1answer
109 views

IQAudio DAC+ appears to be installed, but does not play audio. How to debug?

I recently installed an AudioIQ DAC+ device on my RPi3b+ running buster. Following the directions in the user guide, I was able to get to the point that the drivers are loaded and appear to run, but ...
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0answers
19 views

Possible to fry with Audio Jack?

I have had two 3B Rasbpi units stop working and show a single red light after plugging in to an audio jack. The audio was standard 1/8th inch to 1/4" which then went to an Euro rack pro ...
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73 views

Python script not playing audio when run through systemd

After trying every possible solution online I am posting this question. I have a python script that runs on boot with the help of systemd. Everything worked fine till I installed a fresh raspian ...
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1answer
54 views

Using Sipeed 6+1 microphone array be used with Raspberry Pi Zero W

Can I actually use Sipeed 6+1 microphone array with Raspberry Pi Zero W? The microphone array has a 10P 0.5mm FPC, but can it be made to work with the Pi. If not can the GPIO connectors be used to get ...
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0answers
32 views

Receiving audio using bluetooth and performing DSP operations

I wish to create a project on the raspberry in which I can intercept the audio data being received by raspberry pi bluetooth and perform DSP operations on that data (Like Short-time Fourier Transform ...
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44 views

Puredata patch keeps crashing on Rasberry pi 3B+ with Rasbian

I'm trying to run a pure data patch on my raspberry pi model 3B+ with raspbian. The patch emulates a guitar and plays multiple .wav audio samples at once, usually 6-12 short audio files at the same ...
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20 views

Using phone microphone as audio input through USB?

I have a program that broadcasts and FM radio signal, and there is an option using this command to allow direct audio streaming: arecord -D hw:1,0 -c1 -d 0 -r 22050 -f S16_LE | sudo ./fm_transmitter -...
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156 views

No analog sound in Raspberry Pi 3

I have a Raspberry Pi 3 with Raspbian Buster installed. When playing Youtube I get no sound through speakers connected by audio jack. After some research, I did the following: 1.Audio output is set to ...
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65 views

Raspberry Pi 4, audio on hdmi 0, video on hdmi 1

Presently I am trying to setup a Raspberry Pi 4 to send its 7.1 uncompressed audio to an older home theater receiver for decoding via the HDMI 0 output and a 4k video output from the HDMI 1 output to ...
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14 views

Faustlive build error

I am trying to build Faustlive on Raspberry Pi, but I get an error and I do not know how to resolve it. Here are the lines at the end of the build log / command line that should be relevant: /usr/lib/...
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0answers
34 views

How do I use one device for audio input and one for audio output?

I am trying to use a Bluetooth speaker & mic combo for my audio input and output for the raspberry pi 4b. The speaker works for audio output no problem, but when it comes to audio input I keep ...
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0answers
45 views

Turn HDMI display off while keeping audio on

I am currently wrestling with a configuration headache involving my RPi4, Kodi and an audio receiver (and a TV that doesn't support CEC standby)… Even after installing an HDMI splitter to separate ...
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0answers
64 views

How to troubleshoot selection of audio device

When right click on the volume icon at top right of the screen, a menu lets me select Analog or HDMI audio output. Whatever selection I do, a green check mark appears at the selected option but there ...
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2answers
194 views

No HDMI audio when logged in as a new user

Sound over HDMI works fine when I login as the default user pi. I created a new user named for example user1 If I login as this user, no sound plays through hdmi. I then added this user to most groups ...
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2answers
69 views

Raspberry Pi 4 B no audio on any OS

Guys I'm out of ideas. I've tried to get audio running on my Raspberry Pi 4 Model B (4GB RAM) I've tried it with Buster Full/Lite and LibreELEC. connected to my Samsung 4K screen via HDMI Same ...
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1answer
42 views

Headphone deactivates when RasPi is started without screen (HDMI)

To my Rasbian setup I have a set of speakers connected via the headphone jack and it works just fine when I start the RasPi (3b+) with a connected HDMI screen, also when accessing it via a web portal (...
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67 views

Problem with audio

I want to implement Jarvis on my RPi4 and got some problems. I have a Respeaker 4- mic array hat for the Pi and want to use it as an Audio input. As audio output I want to use the 3.5 jack. When I ...
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0answers
23 views

Bluetooth retransmission

I'm doing a project of automation, and I would like to implement a bluetooth "retransmitter" for sound. I'm currently using Raspberry PI 4 (4gb ram) with ubuntu desktop client 20.10 This is ...
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0answers
37 views

December 2020 Upgrade broke sound over HDMI [duplicate]

Did the full upgrade last night and it broke my sound and bluetooth disappeared. I've followed just about every (only a couple available) recommendations but nothing seems to be working. I have also ...
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1answer
128 views

Is it possible to drive two PWM pins with opposite phase?

One well-known trick to make a piezo buzzer sound louder is to actively drive both sides of it with an opposite phase: when pin 1 is at 0V, pin 2 is at 3.3V and vice versa. This creates a voltage ...
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0answers
328 views

My Raspi4 hdmi won’t sound

What's happening? My raspberry pi4 won’t sound HDMI. (AV jack is working fine) Raspi information environment OS - Raspberry Pi OS with desktop 2020-12(Flash with December 2nd 2020 image and run apt ...
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2answers
7k views

How to fix audio after December 2020 update

I recently updated my Pi4 to the latest version of Raspberry Pi OS, following all the steps to change the audio software to pulseaudio - from the instructions on the website. https://www.raspberrypi....

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