The Raspberry Pi has a stereo audio jack output, and audio can also be heard through the HDMI output.

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47 views

static sound when recording with USB sound card mic/input on a B+

I have a Raspberry Pi B+ model and I am using a USB sound card to record audio. The problem is that I am only getting static and loud humming when recording, with nothing else actually recorded. I am ...
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11 views

AV didnt work well but HDMI work better

I had my new B+ I tried to connect it with the tv via AV red,yellow,white caple that is cinverted from that compact AV . But it doesnt work well The signal is distorted and it came from the red one ...
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18 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 ...
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0answers
12 views

Can I have multiple Audio and video outputs from PI (non-simultaneous)

I have a raspberry PI with various custom software to boot on power-up. I'm also planning to attach a small 4" monitor and a small external speaker. I'm wondering if It's possible to have it so that ...
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0answers
30 views

Real time Sound output over USB

I want to be able to record my guitar onto my Macbook pro. since my Macbook pro model doesn't have a sound input jack, i want to do it through USB using Raspberry Pi. There are many USB Audio ...
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21 views

AUX Input through USB

I purchased this bit of hardware that will let me plug in an AUX cable to a USB. I am thinking that this will work (without drivers?) because I had a USB microphone that worked good. Anyway, I'm ...
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0answers
23 views

Live audio streamed over wifi

Has anyone had any success taking live audio (like from an audio mixing board) into a Raspberry Pi and then streaming it over wifi to another Raspberry Pi for playback. Its very much like Airplay but ...
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1answer
110 views

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 ...
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1answer
97 views

Want to stream just captured audio using VLC as http or rtsp

When I try to use the VLC GUI to start the stream, all the modes seem to include video, like v4l2. How do I tell it to only stream the audio card input? The RPi next to my TV and want to be able to ...
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1answer
75 views

How can I turn my Raspberry Pi into a wireless receiver for a Microphone?

My Raspberry PI is connected to a pair of speakers. I can connect it to network without problems... I would like to allow a user to speak into a microphone (when he pushes a record button) and hear ...
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22 views

Use Raspberry as Wifi driven in ear system

I was thinking about if RPI would be useable as in ear transmitter for conference translations. Every Listener gets a Battery powerd RPI with Wifi Dongle and Headset. Audiocast will be transmitted as ...
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24 views

Espeak not working on raspbian

I'm trying to use espeak to say some text. So I do the command espeak "Hello I am a raspberry pi", the first time I have no sound, and if I do it again, the bash is blocked and all I have to do is to ...
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78 views

No audio DTS 5.1 on Raspbmc

I am having trouble with my Raspberry Pi, running XBMC 13.2-BETA1, outputting DTS 5.1 audio. All other types of audio appear to work without any problems, including DTS 2.0 but with 5.1 there is no ...
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1answer
73 views

Is there some trick to getting aplay audio output working?

I have recorded a .wav file using the command: arecord test.wav But when I try to play it, there is no sound output. It's like the raspberry pi is stuck on mute. I initially thought that my ...
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0answers
46 views

Audio Transmitter without Audio

I have make my Pi transmit the audio to my Bluetooth speaker using this link here but for some reason I get no play back out of my speaker. I have unplugged my HDMI and headphones that were in and ...
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4answers
129 views

Sound card for raspberry pi?

Can anyone recommend the best way of recording audio input? Are there any "sound cards" for raspberry pi's? Edit: I've seen Linux software for ham radio. And see that debian wheezy has a whole lot of ...
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1answer
217 views

Raspberry Pi as a internet radio server?

I'm looking for a way to stream audio mp3's and spotify to my internet radio from my Pi. I've have looked and can only find things that play it on the Pi. I also need a way of controlling what's being ...
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0answers
32 views

Text to Speech Using Apache Web Server

I have Apache Web server installed on my Raspberry Pi. I was wondering If I could use javascript,html, and php to create a webpage where the user types some text into a text field and then that text ...
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1answer
145 views

Mobile to Raspberry PI audio streaming

I have trying to use the Raspberry PI + Wolfson to be an audio decoder and player. It would be the receiver for control/audio data for a specialized sound system. The PI would receive TCP packets from ...
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2answers
159 views

playing wav files with pygame bad quality with noise

I am trying to play a wav file in my raspberry-pi using pygame. I am able to play the music in the speaker.But the sound is very low and many noises are coming along with the sound. Is there some ...
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1answer
56 views

Soundboard switch mp3 list

I'm trying to setup a switch on a breakout board which will allow me to on switch play a short mp3, then loop a second mp3 until i switch it off, when i do so i want it to play a third mp3 (this is ...
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0answers
152 views

Say command using mplayer no longer working

I have the say command that does text to speech on my RaspberryPi: #!/bin/bash mplayer "http://translate.google.com/translate_tts?tl=en&q=$1" The script is taken from jacobsalmela.com This ...
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0answers
89 views

Airparrot audio to Raspberry pi

I have a model B Raspberry Pi running raspbian and a Windows 7 laptop. I am running Airparrot v1.1.7 on the laptop and rplay on the RPi. I can transmit video from the laptop to the RPi but when I ...
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225 views

Low latency audio streaming with Icecast2 and mpd with raspberian

So I have two pi's, one with icecast2 and both with mpd. I'm over a gigabit LAN connection, on the same switch, with the following settings in for icecast.xml (to do with latency): ...
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2answers
145 views

Raspberry Pi Speaker

I am thinking of doing a project with my Raspberry Pi. I am going to put the Raspberry Pi near my front door and attach a speaker to its audio output. Then I will go to my Mac and say something into ...
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1answer
694 views

USB card as my default Audio Device

I purchased a small USB sound card. My Pi recognizes the device: $ lsusb Bus 001 Device 004: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio Controller If I run alsamixer and set the audio to ...
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54 views

usb soundcard losing power

I bought this USB soundcard. I have this powered USB hub and I plugged the soundcard to the hub(the 2 usb ports in the pi are used by wifi dongle and usb hub). I changed the configs , and rebooted and ...
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1answer
255 views

Raspberry PI Audio Input

I am looking to use the GPIO on a Raspberry Pi to get data from an ADC for audio signal processing. For the purposes of this forum, my project is to produce a spectrum analyzer which will display the ...
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4answers
166 views

Music, stored on the Pi, played over HDMI with visualisation, controlled from mobile phone

I have a television with HDMI input. I also have a bunch of mp3s. What I'd like to do is this: Put all the mp3s on the SD card in my Raspberry Pi. Plug the raspi into the television with HDMI. Have ...
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1answer
116 views

using php_exec command to play audio on the Pi - no audio group

I'm trying to have a php script play an audio file when run shell_exec('aplay /home/andrew/www/audio/meeting-bell/medium-bell.wav') It works when I run it from the command line, but not when running ...
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4answers
97 views

Powering an amp and a Pi from a single 12V lead?

I have a project in mind where I put a Pi into an old radio along a small amp (e.g.), or similar. The only problem is I'd like to only have one power lead to the whole thing. The amp takes a 12V ...
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2answers
182 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 ...
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425 views

Can I use Raspberry Pi with PiTFT and Wolfson Pi audio card at the same time?

I have been using my Raspberry Pi with PiTFT 2.8" display. I have recently purchased Wolfson Pi audio card, but I cannot imagine how to make both components (PiTFT and Wolfson Pi) work together. ...
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1answer
183 views

Access Volumio via No-IP [closed]

I just installed Volumio on my RPI and I was able to access it inside my network by using its IP address. Now I want to achieve something else. I want to access the musics on my external HD on ...
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0answers
51 views

Suggestions for recording audio from Mumble?

I would like to record an audio stream from Mumble, clip out the silent parts, and after a set amount of time, save the resulting file. I would like a push in the right direction. My biggest problem ...
0
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1answer
62 views

Need a beginner test program written in Python for audio (sound) output

I would like to find a beginner test program for audio in Python. A program that can play sounds (.wav files or whatever). From the code, I can then begin to learn how to work with audio output. ...
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0answers
200 views

Playing .wav and .mp3 files via python coding using mpg123

I am trying to make a simple python code, that will allow me to play both .wav, and .mp3 files. These are short 4 second files, and I would like for them to play when I press different buttons on the ...
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1answer
126 views

Simultaneously using GPIO 4 (Pin 7) while playing Audio

Whenever I play audio using the built-in analogue output jack, I lose control of GPIO 4 pin. Specifically, I am transmitting FM waves by Pin 7 using pifm ...
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0answers
71 views

MAX4466 recording sound

on my current project I'd like to record sound and store it as a .wav file. I already have a MAX4466 Microphone Amplifier bute when it comes to the hardware, I need some adivce. For recording audio, ...
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32 views

Least delay for audio processing

I am working on a project that involves real-time audio processing to do noise cancellation, so basically taking input from a microphone, doing processing, and sending out the output. It heavily ...
0
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1answer
110 views

Are there USB powered speakers with an Analog port?

I have built a raspberry Pi Jukebox, specially modified for a handicapped user (voice feedback on all songs, large buttons) but I have one.... last.... problem. The speakers I used ran off the analog ...
2
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0answers
51 views

Problems recording while playing audio

I am using a USB-soundcard to record on my raspberry pi and it records fine and the recorded sound is great, however if I am playing any other sound clip (through the audio output port on the ...
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1answer
110 views

Record audio output

Is there any way to record the audio output on the raspberry pi from the command line? I have tried using arecord, but it says the Pi doesn't have any audio capture cards. I also want to be able to ...
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3answers
186 views

Controlling a servo and playing sounds

I've got a serious problem about Pi. It is - I can play sound just fine with a python script either with: import pygame pygame.mixer.init() pygame.mixer.Sound("...").play() or: import os ...
0
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1answer
294 views

Real-time audio recording, looping, mixing

From what I've read, it is possible to record audio using an external USB soundcard or a USB webcam. But everything I've seen so far is just concerned with recording sound and saving it. What I'd ...
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1answer
146 views

Record audio in python when button pressed

I'm trying to set it up so that I can record some audio using RPi.GPIO and pyaudio using a button press to determine the record time (hold to record). However, whenever I press the button, the program ...
2
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0answers
448 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 ...
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0answers
305 views

How to record sound in buffer using ALSA

I'm begining to learn linux and ALSA and I was wondering if there is a way to store the sound I record from a microphone a directly to the buffer. I read here ...
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1answer
192 views

Wrong ALSA volume when starting playback

I run into the same problem than exposed in this post: ALSA volume ignored when beginning playback Here is the context: OS: raspbian Kernel 3.10.36+ #665 just updated the firmware with rpi-update ...
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1answer
115 views

Sound recording program using Nano

I want to make a sound recording program such as this on my RPI machine with several modifications. The problem is that I get the fatal error message "alsa/asoundlib.h : No such file or directory". I ...