Questions tagged [audio-playback]

For questions pertaining to the hardware and software necessary to play back audio.

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10
votes
1answer
5k views

Outputting audio to multiple sound devices simultaniously

I'd like my RasPi to send audio to my on board audio out port, and also to my Digital out card (an I2S Hifiberry Digi). This ought to be possible with ALSA. I have the drivers loaded and can send ...
7
votes
2answers
7k views

Audio goes in and out on Retropie

So as my title suggests I am having an issue with my Retropie installation. I am currently using latest greatest BerryBoot, OpenElec, and Retropie on my Rasp Pi 2 updated as of yesterday evening. The ...
5
votes
3answers
19k views

How to play mp3 on background from command line

The command: omxplayer -o local sample.mp3 works fine - sound is good - but I have to wait for return until the music stops. I want to put this in a backround. I run: omxplayer -o local sample.mp3 ...
5
votes
1answer
801 views

Use different sound card for microphone vs audio output

I recently bought a USB sound card to improve the audio output on my pi while continuing to use my USB microphone for audio input. The problem is that I do not know how to configure the pi to use the ...
3
votes
1answer
360 views

GPIO affected by audio playback

I recently found the PiFm project which sends a FM signal through a GPIO pin to effectively create a FM transmitter out of the Pi. A problem arises when you do a normal playback of a .wav audio ...
3
votes
2answers
1k views

What's the difference between aplay -l and aplay -L?

I'm trying to configure my Raspberry Pi (model B) to work as an AirPlay to Bluetooth bridge of sorts. I'm using Shairport-Sync to receive the AirPlay audio successfully, and can get it to output via ...
3
votes
1answer
386 views

Speech Synthesis issues ? Dalek / HAL

I have installed 'espeak' , 'Festival' and 'Flite' (the cut-down version of 'Festival' for ARM) ; and the former two seem to suffer from a very similar problem: they both start reading text files just ...
3
votes
1answer
672 views

Audio from audio source to pipe (stdin/stdout)

I am trying to get an audio stream from Bluetooth to the stdin of fm_transmitter on my Raspberry Pi 3 / up-to-date Raspbian Stretch. So far, I got FM-Transmitter running with an ICE-Cast-Stream ...
3
votes
1answer
1k views

How can I get audio (ultrasonic Nearby API) working with Android Things?

I'm trying out Android Things on my Raspberry Pi 3, and besides a little bit of a learning curve around the adb utility, things are going well. However, it doesn't seem like audio is working at all. ...
3
votes
1answer
6k views

No sound through 3.5mm jack

I've followed the instructions to "force sound over 3.5mm jack" but when I run omxplayer example.mp3 I get no audio. When I force omxplayer to play over the 3.5mm jack using omxplayer -o local example....
2
votes
2answers
6k views

Possible to route audio directly from usb-audio line-in to same usb audio line-out?

I have a Raspberry Pi 3 - and was able to get my ASUS USB audio device to work both with mic/line-in and output to speakers. Right now I can do it it in two steps: arecord will record to a wav file ...
2
votes
1answer
241 views

How can I direct the output both of mpg123, and of eSpeak to the same ALSA sound device?

I'm currently struggling with the following scenario: I'd like to make my Raspi (3B) play a short MP3 jingle and then, after a 250 µsec pause, speak a short text by using an add-on sound card (...
2
votes
2answers
4k views

How can I play locally stored music via an Alexa command?

I have a very basic programming understanding and I would like to be able to say to the Pi something like "Alexa, play Bottoms up" and she play it from the local SD card. The tutorial I followed is ...
2
votes
1answer
1k views

Need audio recorder + audio player for my Pi Zero

I am currently building a light-weighted audio system using my rasperry Pi zero. I am looking to enable my Pi to have the following 2 functionalities: 1) be able to record from a microphone 2) ...
2
votes
2answers
5k views

PyAudio playing audio in Callback is choppy

I'm using a Logitech usb headset (http://www.amazon.com/gp/product/B000UXZQ42?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00) to record and playback audio. I need non-blocking playback ...
2
votes
2answers
255 views

Play multiple mp3 files

I need to be able to play up to 8 mp3 files at the same time. Is this possible with the raspberry pi 3b+? They need to be started in python code.
2
votes
1answer
593 views

Install spotify on raspberry pi 3 and run it remotely

I try mopidy and runeaudio, but the interfaces seem odd to me. I want to install the Spotify app on my Raspberry 3, and access music through a URL I can share with anyone connected to my wifi. Is ...
2
votes
1answer
1k views

Real time audio input for use in Python program

I am working on some audio manipulation with my RPI and have a question on how I should process the signals. Right now I have a USB adapter with an Audio In and an Audio Out. What I would like to do, ...
2
votes
1answer
203 views

Avoiding audio pops

I'm using Windows 10 IoT Core on RPi 3 and adding voice prompts to my product by playing wav files. Using MediaPlayer to Play the Source gives good enough quality through the 3.5mm audio jack apart ...
2
votes
2answers
2k views

Passive speaker connected to the Pi

I know the audio output is line level, but what can I hope, in terms of volume, with a small passive speaker (without any LM386 amplifier) like this?
2
votes
1answer
1k views

Airplay plus Bluetooth Speaker

I would like to develop a Raspberry PI "music receiver" that would play Airplay audio by default, but if a Bluetooth audio source connected to it - it would use that as the audio source instead of ...
2
votes
0answers
38 views

Raspberry as audio bridge

I have a car with a 3.5mm jack for aux-in. It has also BT for my phone. In my phone, I have deezer (more or less like Spotify) that I use to send music to the car audio system. It works fine, but ...
2
votes
0answers
60 views

sound-player library not recognizing PulseAudio devices

Got a Raspberry pi Model 3b - trying to get the bluetooth speaker to work. Using pulseaudio --start, before pairing the speaker was the way to success. aplay works with no parameters just the wav ...
2
votes
0answers
693 views

Pi zero - USB headset doesn't work?

I am trying to get audio output to a USB headset that is plugged into my pi zero. The headset can be seen and selected in the audio GUI and seen using aplay -l. However, there is still no sound output....
2
votes
0answers
740 views

Loopback to aux out and record audio at the same time from audio in

I am currently developing a device that silences adverts from a streaming radio. Im taking audio input from a radio to a USB sound card.To silence the ads, I have am currently using the arecord ...
1
vote
2answers
3k views

Is the new 2nd gen Focusrite Scarlett 2i4 compatible with the RPi 3 B

For my audio project I'm thinking about connecting a Focusrite Scarlett 2i4 USB audio interface to a Raspberry Pi 3 B. From my research, I know that the older model is compatible, but is this also ...
1
vote
2answers
3k views

HifiBerry DAC+ or Digi+?

Currently I have: Mac Mini (audio source) -> Cambridge Audio DAC -> Cambridge Audio Amp And I plan to do either: HifiBerry DAC+ -> Cambridge Audio Amp or: HifiBerry Digi+ -> Cambridge ...
1
vote
1answer
198 views

Is it possible to play audio though the aux. port without starting 'x'? (pi 2b)

Is it possible to play audio though the /3.5mm jack/ without startx? Seems like it would be a lot of trouble just to play some audio.
1
vote
1answer
2k views

Audio injector codec board wm8731 bcm2835-i2s 20203000.i2s: I2S SYNC error! raspberry pi b+

I'm using raspberry pi b+ and audio injector codec board wm8731. I changed in boot/config.txt file and added dtoverlay=audioinjector-wm8731-audio, but after reboot lsmod shows drivers but aplay and ...
1
vote
2answers
3k views

Raspberry Pi's analog audio output in watts

Can some one tell me what is Raspberry Pis analog audio output capability? I would like to know how munch power 3.5 mm jack of raspberry pi can deliver in terms of watts. This will be helpful to ...
1
vote
1answer
235 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 ...
1
vote
1answer
67 views

Sound system with PiZeroW

wondering if someone could give me a few pointers on a project I'm working out. I haven't yet bought any of the equipment, just trying the ideas first to see if it will work. I'm planning on ...
1
vote
2answers
2k views

RPI 3 Firefox Video plays but Sound is loud hiss

In the latest version of Raspbian (kernel 4.4), any file I stream through youtube-dl to omxplayer or mplayer using the 3.5mm headphone jack works perfectly. However, in Firefox when I go to any site,...
1
vote
1answer
1k views

How do I enable USB audio for GUI applications on Raspbian? (ALSA command line is working)

I'll say it again to be clear - ALSA on the command line works fine (after I delete/modify .asoundrc after it's auto-broken by PIXEL). The most seemingly contemporary answer I've found on modern ...
1
vote
1answer
3k views

Sending call over bluetooth from phone

I have paired my smartphone with Raspberry PI using bluez and blueman. But Now I want to pass the phonecall to the Pis audio system. I know that this too generic of a question here but what should I ...
1
vote
1answer
117 views

Why does audio playback seem to depend on GPU memory?

I encountered a really odd behaviour with my Raspberry Pi B+, running a slightly modified version of Raspbian with a PiTFT screen from Adafruit. Because the screen cannot access the GPU I dialed down ...
1
vote
1answer
4k views

Qobuz or Tidal streaming on Pi 2?

This question discusses Spotify for RPI, but not other streaming services. How would it be possible to use the likes of Qobuz or Tidal on the Pi 2? Especially in the context of audiophile distros ...
1
vote
1answer
279 views

Is the Raspberry Pi capable to pass audio from an input to an output, visualizing along the way?

I'm looking to place a Raspberry Pi in between an audio input and speakers, visualizing LEDs along the way. My first question is simple: Is the Raspberry Pi capable of taking an audio input and ...
1
vote
1answer
371 views

How can I make Voice distorter with RPi

How can I make a voice distorter using m raspberry pi, I've got a generic USB sound card with a mic input and audio output. I want it to change and output the audio in real time, also how can I make ...
1
vote
1answer
2k views

Is it possible to have multiple audio outputs going to different speakers at the same time?

I have 4 different displays set up in a booth and I want to be able to have someone press a button and hear an audio playback for that particular display. I am trying to determine if the RPi 2 has the ...
1
vote
1answer
2k views

How to autoplay ogg stream at startup of device

I am programming a Rasberry to Pi to become a radio player. It is meant to be used to play the local college radio in the student union hangout. INPUT: Power is turn on. OUTPUT: Audio is played ...
1
vote
0answers
181 views

Using Raspberry Pi to capture police scanner audio

I want to take a Police Scanner, connect the headphone jack to a RaspberryPi, and capture the broadcasts that are received, so when the recording is played back it is just the transmissions, but maybe ...
1
vote
0answers
31 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 ...
1
vote
0answers
18 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 ...
1
vote
0answers
207 views

Connect Raspberry Pi via Bluetooth to Sound Bar

after spending the last couple of weeks trying to connect my bluetooth soundbar to my Raspberry Pi 3 B+ and playing all audio output on it I am close to giving up. Using the GUI I can successfully ...
1
vote
0answers
45 views

Pi using USB audio problems with mp3 files

The pi chromium browser has a page that plays short audio files. Audio out is through USB speakers that work nicely, and pass the speaker-test -c2 Two MP3 files work perfectly. A third file produces ...
1
vote
0answers
35 views

custom mp3 player/phone for blind person controlled by mini numpad keyboard [closed]

My 86 y.o. father can barely see and can not use ordinary keyboard and touch-screen devices. Also it's hard for him to use modern youth-oriented miniature devices with small keys on them. Obviously, ...
1
vote
1answer
661 views

What is a good sound board to use for doing real time active noise reduction on a Raspberry Pi?

I'm doing a project that involves making a pair of headphones capable of active noise reduction. Specifically, I'm attempting to do impulse based noise reduction rather than blocking a constant ...
1
vote
0answers
149 views

Raspberry Pi Zero LCD + Headphone jack + Volume control

Is it possible to add an LCD screen, a headphone jack, and a Rotary Encoder (for volume control) to a Raspberry Pi Zero W? If so, how could I solder all this? Any useful links/tutorials are greatly ...
1
vote
1answer
447 views

Raspberry pi 3 audio issue

I am having trouble with my Raspberry Pi audio. I have the same problem with two different Pis, using two different TVs, two different HDMI cables, and one set of analogue speakers. To test sound, I ...