Questions tagged [audio-playback]

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

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Linux ALSA one sound card for input one sound card for output

I have a raspberry pi 3 model B+ with raspbian jessy lite from July. cat /proc/asound/version Advanced Linux Sound Architecture Driver Version k4.4.50-v7+. I have a USB soundcard that has two 3.5 ...
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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 ...
3
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1answer
359 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
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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. ...
1
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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
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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 ...
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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 ...
0
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1answer
540 views

USB compatible with Topping VX1 USB DAC Amp?

Is the Raspberry Pi B compatible with a USB DAC mini amp such as the Topping VX1? According to the Topping VX1 specs, it has: DAC: USB Controller by Burr-Brown PCM2704 Tripaths TA2024B chipset I ...
-3
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2answers
114 views

How many speakers could I hook up to an RPi, and what additional hardware would I need?

I know there are addon/expansion boards for the Rpi, but excluding these, how many separate speakers/channels could I reasonably output to? I do not need audiophile-level sound quality, I don't even ...