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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Measuring frequency-decibel spectrum of an audio input

What components and programming techniques could I use to measure the frequency-decibel spectrum of an audio input (i.e a microphone)? The system is basically a raspberry pi with a microphone (any ...
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0answers
6 views

javaSound with RaspberryPi

I have a problem with my audio out. I am trying to get a wav file to the speakers with Java on a Raspberry Pi. When I run my code, I hear some noise. My sound file says "This language is not ...
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0answers
8 views

Choppy sound on MPD + Airplay, working pulseaudio

My current setup is mpd server on a RPi connected via pulseaudio to an airport express sink which in turn is connected to my receiver/amp as described in Redirect audio to another AirPlay device In ...
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5answers
39 views

Audio not coming through to external earphones

After following this guide here, I am having no success with the audio from my phone appearing through the audio device connected to my raspberry pi 3. The audio is evidently being transmitted ...
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0answers
32 views

Raspberry Pi 3 OpenELEC Bluetooth

I finally got Bluetooth audio working with my Raspberry Pi 3 and OpenELEC. I am on version 6.95. After 5-10 minutes, the audio disappears. I do not believe it is the speakers. I have to restart my ...
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0answers
22 views

How can I output sound from different programs to different ouputs? [duplicate]

On a RPi 2, I want one program to output audio to hdmi while another outputs to the analog jack. omxplayer can output to either/both outputs so I presume it's possible. But I'm looking to get ...
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0answers
38 views

Unable to make USB sound card as audio card 0

I am using Ubuntu Mate in Raspberry Pi 2. I want to change use my USB sound card as default audio card. For this I check my audio card number from command aplay -l and this is my output:- **** List ...
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1answer
16 views

Using hardware PWM and audio at the same time

While using PWM0 and PWM1, sound (buzz) is played through the audiojack. Is it possible to route audio not through PWM so it could be used at the same time as PWM?
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0answers
29 views

3.5 mm Audio Jack, Audio Signal Details

We are using the Pi-2, Model-B in an interesting text-to-speech project. We intend the use the 3.5 mm audio jack, J7, for the generated speech output. However, the following schematic: ...
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0answers
20 views

SGTL5000 / Teensy Audio Adapter on RPi 3

I made the decision to buy a Teensy Audio Adapter as my Pi's input and output. It provides access to the pins that I need on its SGTL5000. So I set GPIO pin 4 to clock mode, at 9.6 MHz, using wiringpi ...
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1answer
38 views

Lots of static on RPi2

This question seems simple but to me it's baffling. Whenever i use the 3.5mm headphone jack i get tons of static whenever i use it. My monitor doesn't have sound so i cant test the HDMI output. what ...
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0answers
49 views

Text to Speech in Raspbian PI 3

I just upgraded from a RPI 2 to RPI 3. My Pi 2, Raspbian I was able to go to a web site that has text to speech. Somehow I opened up audio packages in Raspbian and was able to use text to speech ...
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0answers
53 views

How to configure and select USB Microphone

I have a USB sound card that has an audio out and a microphone in. That sound card works fine - a small microphone records fine and a small speaker plays sound back fine. However, I now have an ...
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0answers
31 views

Speakers and pi

I have 4 car speakers, 1 amp and 1 sub... Trying to figure best way to hook that up to a raspberry pi 3. For some reason my brain won't brain. I'm thinking that I need an amp board that can handle 4 ...
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2answers
32 views

Microphone via SPI

I am trying to read mic output via SPI. I am using an ADC0831 8 bit convertor. I tested the ADC and the code by using a voltage regulator. The value coming from the ADC's DO pin is correct. I want ...
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1answer
37 views

Raspberry Pi Google voice

I am currently doing voice recognition project. Any idea how to transfer google voice library to rp2 ?
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1answer
81 views

Cant record 16bit 16000 Hz audio in Java (Raspberry Pi 3)

I am trying to record audio in Java using my RaspBerry Pi 3 and Raspbian Jessie. My app works on my Mac both with internal and external USB micro. On the Raspberry Pi, with whatever format I use, I ...
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0answers
21 views

How do I get audio over remote desktop on the Pi2?

I am using Pi2 via Remote Desktop from my Win 10 PC to play some mp3 files. The files run fine in VLC but no audio is heard on my Win 10 PC. So, how do I get the audio? I am using Raspbian.
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0answers
163 views

Raspberry pi 3 analogue (headphone jack) audio output and usb microphone as input

How can I use the default audio analogue (headphone jack) output and as input a usb microphone together for voice recognition? I want to use the onboard audio output and record from a usb microphone, ...
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0answers
118 views

Set up C-media USB soundcard for microphone input on Raspberry Pi 2 with Raspbian Jessie

I would like to use Amazon Alexa or Steven Hicksons Voicecommander (uses Google) on my Pi to automate some tasks by voice command, but I am having trouble getting the microphone to work in the first ...
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0answers
44 views

Loud click when playing sound files

With Windows IOT before and after playing a sound file on the Raspberry (both 2 and 3) a loud click can be heard thru the speakers; is there a way to make it so no click is heard? Here is the code I ...
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0answers
26 views

USB sound card detected but not listed in aplay -l

I am using a Frontech JIL 0815 sound card with the Raspberry Pi model 2 B using the latest version of Raspbian. The USB audio when connected is shown under lsusb and dmesg, but not as a card under ...
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0answers
36 views

Aggregate Bluetooth audio devices

I have a number of Bluetooth transmitters and more Bluetooth audio speakers than I care to admit. I want to send audio to an aggregate audio device, which contains the multiple Bluetooth speakers so ...
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1answer
67 views

No sound over HDMI with WindowsIoT icw Pi3

Using WindowsIoT on the Raspberry Pi 3 I tried playing sound/video from a c# application. The video plays, however the sound is played over the 3.5mm jack instead of over HDMI. It's an older TV, so ...
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0answers
70 views

Using SGTL5000 with I2S

I want to use the SGTL5000 with the I2S. I found here (in the Raspberry Pi repository) that there is the codecs included in the V 4.1 of the kernel. What are the configs to make it work? EDIT : I ...
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0answers
36 views

No audio out from Raspberry Pi Zero HDMI output

I am using an HDMI to HDMI plus audio converter at the HDMI output of a Raspberry Pi Zero. The video works fine, but I get no audio in headphones connected to the 3.5 mm jack output of the converter - ...
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0answers
43 views

detect sound with raspberry pi and webcam microphone

I have a webcam set up with the motion software detecting video movement. But now I need to detect any sound through the webcam microphone and create an wav file. So somewhat similar to the motion ...
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0answers
15 views

Festival TTS Engine - generate viseme file

I am currently working on a project that uses Festival TTS engine. I have used it plenty before. I have also used pyfestival to do basic stuff. I am currently trying to generate the viseme file for a ...
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0answers
20 views

How can I confirm if my audio output is defective (on RPi3)? [duplicate]

I am wondering if maybe my audio output of my Raspberry Pi 3 is defective. I have tried to get some kind of audio output without any success so far. I have tried any comment / tutorial on how to ...
4
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2answers
115 views

KODI and analog audio

Has anyone been able to get the analog audio to work in KODI on the Pi2? It works great through HDMI but I want to install this in my wife’s minivan and it only has component inputs, no HDMI. I am ...
3
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0answers
52 views

use I2S mic with Raspberry Pi

I have a microphone with I2S output and I am trying to recrord audio with it, using the raspberry pi (2 model B). I'm having trouble getting one microphone to work. does anyone know have a working ...
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1answer
71 views

Audio sampling using SPI interface

I want to record sound using an electret microphone and ADC(MCP3002), with Raspberry Pi 2 model B. Can I sample audio using the SPI interface on the Pi? I am using one microphone, and I need to get ...
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1answer
44 views

Having trouble with audio through the 3.5mm jack on the Raspberry Pi 2

I'm running Raspbian on the RPi2. I have the video out through HDMI and I have my speaker system plugged into the 3.5mm jack, but no sound is coming out. Sort of. I set it to come out of the jack ...
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2answers
62 views

Forwarding audio signal through GPIO

Is it possible to read an audio signal through on GPIO pin and give the same signal out through a different GPIO pin or through the audio jack? I basically want to have 4 audio inputs and one audio ...
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2answers
150 views

Jessie: RPi 2 - USB audio input does not work (output works)

I am using a Plantronics USB Headset that also has a microphone. I have tried a lot of articles and finally managed to make the headphone work, but the microphone still doesn't work. Here are current ...
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1answer
39 views

Headless on RPi - checking boot screen messages for jackd [duplicate]

I'm trying to run an RPi autonomously and have a script which is intended to start jackd and then Supercollider. The script works from the command line if I ssh into the RPi, but not otherwise. To try ...
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1answer
105 views

Audio input to Raspberry Pi

Can I use 3.5mm jack to USB converter in order to connect a headset to my Raspberry Pi 2. I want to use headset with microphone as input device. When headset is connected to 3.5 mm audio jack it can ...
0
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1answer
118 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+ -> ...
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0answers
63 views

How do I output audio via USB?

I installed OpenELEC on my RPi model B and now I want to connect a speaker to it. The speaker has a USB input. So, how do I do this? Do I need to get an external USB card or something else? Or do I ...
3
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1answer
67 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 ...
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1answer
265 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 ...
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2answers
1k views

Raspberry Pi 3 audio input?

Did Raspberry Pi 3 add audio input? I'm new to RPi and interested in doing speech recognition but noticed input has been missing for previous versions. If it hasn't, what is the best way for me to go ...
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1answer
100 views

How to use both USB Mic (in) and on-board sound (out)

I'm trying to set up my RPi with on-board sound out and a USB mic in, but everything I've found only deals with both audio i/o on the same (external) sound card. What's happening in my situation is ...
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2answers
46 views

omxplayer doesn't play audio when streaming

When I pass a link to omxplayer with youtube-dl it won't play the audio only the video. Where as playing it locally works as expected. It doesn't show the usual Audio codec ac3 channels 6 samplerate ...
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1answer
110 views

Volumio on Pi: Webserver for both WebUI and Cover-Art

How do I use Volumio's webserver to serve both its WebUI and Album Art? On a Pi running Volumio, I want to configure MPD clients controlling it to show album cover art for browsing. (It's a ...
3
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1answer
59 views

Sound Quality: Does the choice of operating system or software affect quality of sound?

Has anyone done a sound quality comparison between Audiophile and Media Centre operating systems? On a simple Pi-for-stereo that uses only the onboard sound card, will I get better sound if I use ...
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0answers
76 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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1answer
48 views

Can the audio jack of the Raspberry Pi 2 play ultrasounds?

Does any one know if the Raspberry Pi 2 is capable of playing frequencies over 40Khz from the audio jack?
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84 views

No HDMI Audio Until an Emulator (N64, SNES, etc…) initializes it

The primary problem I am having is that I do not get audio via HDMI at boot. I had gone through the various steps outlined in several places related to modifying /boot/config.txt without any success. ...
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0answers
310 views

Streaming Audio From Raspberry Pi 2 to Bluetooth Speaker

I want to use bluetooth to stream any audio being played on my raspberry pi to my bluetooth speaker. I've installed bluez and all the other bluetooth packages. I can see and connect to my speaker, but ...