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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38 views

Stream USB mic input to 3.5mm audio jack output

I am trying to stream a USB mic input to the raspberry pi's built in 3.5mm audio jack output. I am not sure how to do this. I essentially want to use the Pi as a DAC. How could I do this?
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26 views

Is it possible to route audio via different software?

I use my rpi3 for a bunch of things, probably too many things. At the moment I use it for kodi, which plays audio through the HDMI output, and it's great. I would like to add some mopidy audio support,...
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188 views

RPi B, dietpi, usb soundcard amplifier, mpd and equalizer - usb and alsamixer equalizer impossible?

The last two days I am busy to config the USB sound on a dietpi config and with success. I turned the default Rpi sound off and use only the USB soundcard amplifier (Logitech). I can play files with ...
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36 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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28 views

Pause/play and foreword/backward capability for audio files in raspberry pi

I am looking to play audio files on the Raspberry pi through the standard audio out. I also want to have pause/play and seek foreword/backward functionality. I am currently using pygame to play the ...
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56 views

Streaming microphone audio from Raspberry to PC and send back a responde created with a TTS software

The Pi will have a button and a microphone. The ideal scenario is like this: Someone presses a button The (USB) mic starts recording the audio (the recording needs to be saved for later research ...
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1answer
308 views

Raspberry Pi 3 B+ QMediaPlayer - unable to play sound

I'm struggling to play audio files using Qt 5.11.3 and the QMediaPayer class. There is no sound output when playing either .mp3 or .wav files. I had some success to play a wav file using QSound class. ...
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31 views

Pi-topCEED / Bluetooth áudio question

I’ve a Raspberry Pi 3B+ along with a Pi-topCeed and pi-top SPEAKER ver 2. Using Raspbian Stretch not pi-top OS. It works ok but for better quality I want to try using a Bluetooth speaker to play ...
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171 views

Best way to sync OMXPlayer video with audio stream?

I am having issues getting OMXPlayer video played on a TV via HDMI to sync with audio streamed over the network. My thought was delay the video output by ~500 ms then use pavucontrol to fine tune the ...
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145 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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168 views

How to configure multi-channel sound card with raspbian stretch

I have a Raspberry Pi 3B+ with a Native Instruments Audio 8 DJ sound card which I want to work with Reaper. Thing is that if I open Reaper I get the error message: ALSA: error setting input device ...
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105 views

How do I capture and stream HDMI audio out to LAN

I have a RPi that is running videos with omxplayer and outputting to my tv. HDMI video and audio out work just fine, but I would additionally like to stream only the audio to my network (via RTP or ...
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33 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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1answer
256 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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222 views

No sound as root and even with sudo su pi

It works if I try to play a sound/mp3 with mpg321 as a pi user: mpg321 Yeah-sound.mp3 but sudo -u pi mpg321 Yeah-sound.mp3 does nothing and sudo mpg321 Yeah-sound.mp3 leads to error Can't ...
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1answer
97 views

PyGame for Jukebox without display

I want to great a small (local) jukebox without a display. Songs are stored on the SD card and every button is more or less hardwired to one song (always to the song called "1.mp3" on the sd card ...
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36 views

Streaming mic audio from Linux PC client to Pi host and sending result back to PC

I have a task that I'm trying to achieve that seems incredibly over complicated to do. So I have a raspberry pi at a remote location I cannot access. Then I have access to an Ubuntu laptop. What I ...
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1answer
930 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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265 views

Multiple channel and multiple sound card

I need to do the following (if possible in Python): output at the same time on multiple USB sound card (cheap one you can find on Amazon) on the main audio file, I need to output temporary sound if ...
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289 views

Removing noise coming from 3.5mm audio jack

I see there is a question similar to this here. However its solution was not for everyone, and doesn't help me. Any time a key is pressed either remotely through ssh or directly connected there is a ...
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25 views

Can't get any form of audio working on RPi with Android Things

I'm using a Raspberry Pi 3 Model B running Android Things hooked up to a projector with a built-in speaker. The app is designed to relay a text-to-speech announcement every few minutes, but it just ...
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1answer
205 views

Piping (Live Playing) Audio to FFT Process

I am trying to build a project that does a spectrum analysis on audio playing through my Raspberry Pi using FFT. I will be using GPU_FFT in C++ to do the bulk of the calculations (which should be ...
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258 views

Read real time raw data bluetooth

Currently im working on a bluetooth speaker, which has to receive audio via bluetooth from my phone. The bluetooth receiver will be the raspberry pi 3 a+, and it will direct the audio data to an ...
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92 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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1answer
626 views

Using a bluetooth headset as both audio and mic on a raspberry pi

I am looking to purchase a Bluetooth headset for a project of mine and I would love it if I could use it with my raspberry pi The headset I am looking to get is this one: https://www.gearbest.com/...
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1answer
240 views

Play Audio Through 3 Different Bluetooth Speakers

I want to play a story divided into three mp3 files through three different speakers. For example: begin playing file 1 through speaker 1. Once it's over, play file 2 through speaker 2. When it ends,...
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32 views

Is it possible to control echo hardware with a raspberry pi

I'm in the process of building some voice-activated features in my Raspberry Pi. I've been looking at off-the-shelf microphones and speakers, and using my Amazon Echo as reference. It has occurred to ...
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133 views

raspi MIDI in audio out

I have a MIDI controller keyboard, that I want to take with me to a vacation. For some reason I cannot bring a tablet/laptop with me. I still have a Raspberry Pi 2B lying around so I thought it might ...
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1answer
36 views

Host MP3 streaming website on raspberry pi

I (as I am sure most people do) have loads of MP3s and CDs from pre Spotify days (other services are available). In particular I have quite a few that aren't on Spotify. So I have decided that I would ...
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175 views

how can I use an external GPIO sound card and set it as default?

I've bought a seeed voice card as an external GPIO sound card and as a input audio device to use pocket sphinx.After it was installed successfully, i typed "cat /proc/asound/cards" to see my card ...
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387 views

Reusing old laptop speakers [duplicate]

The speakers are salvaged from an old Toshiba mini nb520 laptop. How could I go forward to use these speakers? Will I have to write my own drivers? Will it be worth the work? What electronic ...
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51 views

Using rasberry pi to transmit audio from Laptop to mixing board

I want to send audio from my pc (connected to a private LAN) to a Rasberry pi device that I connect the audio input connection on my mixing console. This needs to be done over a wired LAN. Here’s ...
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78 views

No sound from my RetroPie

Hi I just setup my RetroPie and have no sound from it. My tv works fine in the hdmi slot I am using, any ideas why I am not getting sound from my Pi? I get sound on the video previews of games but ...
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649 views

Changing bluetooth class to act as a hands free device and car audio

Good morning folks, I have been using this tool to quickly configure my Pi2 as a bluetooth audio link to my camper van, it works brilliantly. My question is regarding changing the class of the ...
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2answers
2k views

Reliable way to play sound (ogg, mp3) in Python, on Pi Zero W

I have been trying to find a reliable method to play sound on my Pi Zero W, in Python. By default, Zero does not have audio output, but I have set up an I2S amp and speaker, following this guide: http:...
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88 views

How to stream audio/video from Raspberry Pi to Windows PC

I have a Raspberry Pi 3b that I am using as a radio server with a rtl-sdr (Realtec Software Defined Radio). I would like to have any audio coming from the Raspberry Pi to be streamed to my windows 10 ...
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205 views

Play Midi/Audio files using PC speaker

I have managed to create a digital keyboard using a pi, a pc speaker and this tutorial: https://www.youtube.com/watch?v=nyYOYrsPZa4 But since I'm not much of a pianist or an audio engineer I would ...
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1answer
220 views

Bluetooth Audio to Raspberry Pi Zero W as USB Mass Storage

My car audio system has only a USB Memory input (it does not have Bluetooth). The audio system is able to read the content of the USB memory, find the folders (MP3 files) and show them on the screen. ...
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1answer
279 views

Adafruit PAM8302A -> Raspberry Pi 3

I want to connect Adafruit PAM8302A amplifier to the Raspberry Pi 3 Model B+. What I need? How to do this?
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55 views

Need to play two audio streams at the same time

I set up a darkice server using raspberry pis in my kid's rooms as baby monitors. They steam to a website m3u file so VLC and to be the answer. I'm trying to accomplish 1 of 2 things. A.) Play both ...
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1answer
825 views

Raspberry Pi to windows machine rdp audio problem?

I am connecting to a Windows 7 machine, from my Raspberry Pi, and have earphones connected on the Raspberry Pi. When I play a video on the Windows 7 machine, I cannot hear the audio. How can I ...
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1answer
120 views

Raspbian Desktop Audio Not Working

I have checked many forums and Google, and I cannot find it anywhere. I have just installed Raspbian desktop on my laptop (acer aspire v5-123) and when I boot into the Raspbian Stretch the audio does ...
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1answer
968 views

Raspberry Pi 3 bluetooth stops working after a while

I use it to connect to a speaker (as a pulseaudio sink) dmesg | grep Blue shows the following: [ 14.034501] Bluetooth: Core ver 2.22 [ 14.034587] Bluetooth: HCI device and connection manager ...
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1answer
430 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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216 views

Pi with PulseAudio over wifi - can't connect

I was trying to set up my RPi 1 as audio device for my laptop and found this answer. On the RPi all the steps worked fine, except that /etc/default/pulseaudio is empty. But in the linked answer the ...
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1answer
72 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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112 views

Raspberry Pi Audio Bridge

I would like to connect audio from a TV to be received into a Raspberry PI and then be transmitted via Bluetooth to a wireless Bluetooth speaker, is that possible? If so, how? Audio card?
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1answer
162 views

Bluetooth Audio does not seem to work on Raspbian Strech

After installing Raspbian Strech from NOOBS_v3_0_0 on my Raspberry 3B I have observed that setting up Bluetooth is not a completely easy matter. Most helpful was the installation of the BT manager as ...
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57 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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1answer
86 views

How can I find the answer to “What does Raspbian use to handle audio?”

I think some releases of Raspbian handle audio differently than the previous version. If the use of ALSA or Pulse Audio (or some other software) has changed with Raspbian releases, what do I need to ...

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