Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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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How to get better Audio quality from audio jack output

I've read and experienced that music (mp3 etc) through the audio-jacket is poorly (popping sounds in between songs). Is this already solved or what's the best way (setting) to decrease this problem?
qwyrp
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Unable to set default input and output audio device on Raspberry jessie

I am facing a similar problem as described in this question. However I am running Jessie on Raspberry Pi and that it does not have a /etc/modprobe.d/alsa-base.conf file. So can someone tell me where and how to set the default input and output audio…
Parth Doshi
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Errors with espeak

I am getting an error using espeak. Audio comes out the head phone jack, but all of this stuff get written to the command line. I installed espeak and alsa-utils. Any idea how to fix these errors? [kevin@raspberrypi ~]$ sudo espeak "hello" [sudo]…
kevin
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How can I start an mp3 from the beginning every time a headphone is plugged in?

I'm doing an audio installation where multiple headphone jacks are on a wall and the user will plug into the jacks and each jack plays an mp3 that starts playing from the beginning when it gets plugged in. Is this possible with an RPi? What is the…
Pablo Gnecco
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Use raspberry pi 3.5mm jack as line in

Is is possible to use the 3.5 jack on the Raspberry Pi as a line-in? I need to record audio through the Pi and I didn't find anything conclusive about its audio capabilities. Would like to make sure before searching for a sound card.
Dumitru
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What are the specifications for the audio output?

I'm having trouble locating the specifications for the audio output. Where is this information located and what are the electrical specifications for the output?
spiderplant0
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role of snd_bcm2835 on raspberry pi

What is the purpose of snd_bcm2835 and how can I get it? Is it sound driver? And what is ALSA for?
Shantanu Banerjee
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Playing sound through /dev/dsp?

I have a USB soundcard attached to my RPi. I used the command sudo modprobe snd_pcm_oss which created /dev/dsp and /dev/dsp1. /dsp corresponds to the internal soundcard whereas /dsp1 corresponds to the outer devie. When I type in: sudo cat…
stock username
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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 were all working fine. Many happy hours of…
KenD
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omxplayer doesn't play audio

I can play audio to analog jack output with mplayer and aplay, but i cannot get it working with omxplayer. # setup audio output modprobe snd_bcm2835 amixer cset numid=3 1 # This is working mplayer -vo fbdev big_buck_bunny_720p_surround.avi # This…
Alessandro Pezzato
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How can I send audio to BOTH headphone jack and HDMI?

I know how to use amixer to send output to either the headphone jack or the HDMI port, but I want to send output to BOTH devices. How can I accomplish this? I'm using official Wheezy Raspbian on a Raspberry Pi model B+.
mcandre
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noise on the analog jack shadowing the RPi activity

I plugged in my RPi B+ (with latest Raspbian) to a speaker (August SE30, using the analog jack). I get the expected sound when using mpg123 but I also get, when not playing, a continous stream of noise which shadows the RPi activity. You can hear…
WoJ
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Very bad sound with external microphone

I have a CAD Audio U9 Microphone external microphone with a clear sound on my laptop. I plugged it inside Rpi and the sound is very bad. I have glitches and noise. I tried to change the gain inside alsamixer. It seems to change anything. The…
hotips
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Can a Raspberry Pi be used to make voice changer?

There are voice modulators for over $150, and all they do is alter the pitch and put a static burst when there is a silence of over 0.5 seconds. Surely this can be done on a Raspberry Pi with a USB microphone and a speaker. Anyone working on…
Iain
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How to feed 8 speakers 8 different signals using a Raspberry Pi?

How can I output 8 different audio channels to 8different speakers simultaneously using a Raspberry Pi 3 and its or any other accessories? I am using the Wolfram Language, so I have 8 different "audio channels" which I like to feed to 8 independent…
Miladiouss
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