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).

Filter by
Sorted by
Tagged with
6
votes
4answers
13k views

No sound output in VLC

I installed VLC, but I can't hear anything through the analog output (jack output) when I play a MP3 file or a video. I'm using Debian Wheezy. I already did some steps to test alsa sound, like this: ...
3
votes
1answer
3k views

Very bad sound with external microphone [closed]

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 ...
26
votes
3answers
32k views

How can I record audio using a microphone?

Just came across this question while trying to connect a webcam. If the webcam encapsulated audio that is fine. But what if I want to attach a microphone in another location / locations. Question: ...
15
votes
4answers
52k views

Live audio stream using FFMPEG

I try to stream live audio using ffmpeg and external USB microphone. I followed this nearly tutorial I had to adapt some steps but finally, I achieved to receive the stream my laptop using this ...
8
votes
4answers
6k views

How can I get Java Sound to work?

I have a Java-based MP3 player based on the JLayer / BasicPlayer framework which I'd like to get running on the Pi. I have installed the OpenJDK on the most current Raspbian. The BasicPlayer opens the ...
6
votes
2answers
5k views

ALSA volume ignored when beginning playback

I ran into an interesting problem today. I noticed I don't have a "Master" channel in amixer. I only have PCM. And changing the volume on PCM is really finicky. It seems only 85%+ is actually ...
2
votes
0answers
71 views

Does the BUSY flag work for the Clock Control Registers? [closed]

The docs suggest that certain registers shouldn't be messed with if the BUSY flag is set. I've tried disabling the General Purpose clocks, but the busy flag is always set. See page 107 of the BCM2835 ...
14
votes
2answers
10k views

What are the different clock sources for the general-purpose clocks?

I'm trying to generate a clean 11.289 MHz clock signal from the general-purpose clock, GPCLK0 on GPIO4. The suggested route is to use the 19.2 MHz crystal as the source, which seems to work ...
11
votes
2answers
5k views

Audio over HDMI - hello_audio.bin works but not aplay

I'm having problems getting audio over HDMI working correctly (running ArchARM). I have in my /boot/config.txt: hdmi_drive=2 I compiled hello_audio.bin and ran it with 0 and 1 as args, both work (...
32
votes
3answers
156k views

How to get PulseAudio running?

I would like to use my Raspberry Pi as an PulseAudio sink that can play audio via the network. For starters I want to get Pulseaudio running locally and have run into various errors. I am using the ...
4
votes
1answer
1k views

How do I read PCM audio from a file?

I would then to write the PCM data directly to the I2S interface. Is there an existing API that would allow me to read an audio file and get at the PCM digital data?
18
votes
7answers
27k views

If I plug my headphones into the audio jack, how do I control the volume?

This will be useful to know before I start just in case the volume is turned to the maximum by default. Also, more importantly, will the maximum volume be high enough to cause immediate hearing ...
61
votes
12answers
373k views

Why is my audio (sound) output not working?

I can't get the audio running. I don't hear anything and can not play anything. Is there a solution to enable audio?

1
17 18 19 20
21