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by jahau
Mon Mar 04, 2019 7:04 pm
Forum: Camera board
Topic: Adding Audio to UV4L Video Stream
Replies: 14
Views: 3838

Re: Adding Audio to UV4L Video Stream

I've done now everything exactly as in the instructions. Still not working BUT should I use something else for the webrtc-recdevice-index=14 since now this is pointing to plughw since I want to hear just the stuff played on the pi itself (not plugged from usb)? Belows is the arecord configuration cu...
by jahau
Tue Feb 12, 2019 5:42 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: XLR Input
Replies: 3
Views: 723

XLR Input

Do you know if there's XLR input port / module available for Raspberry Pi? So far only module that is even close is HIFIBERRY DAC+ PRO XLR but this is only for Output and I need Input. Any ideas? Please, no usb-based solutions, thanks.
by jahau
Sat Feb 02, 2019 12:41 pm
Forum: Camera board
Topic: Adding Audio to UV4L Video Stream
Replies: 14
Views: 3838

Re: Adding Audio to UV4L Video Stream

I'm playing the audio in the raspberry (not from usb) and trying to listen to that audio from different machine using browser. Right? Why do I have both installed? I just followed the instructions here: https://www.linux-projects.org/uv4l/installation/ The broken link was supposed to be this: https:...
by jahau
Sat Feb 02, 2019 6:46 am
Forum: Camera board
Topic: Adding Audio to UV4L Video Stream
Replies: 14
Views: 3838

Re: Adding Audio to UV4L Video Stream

I did as the tutorial suggested, https://www.linux-projects.org/home/wp- ... sound.conf. I can hear the audio on the Raspberry (I have speakers for testing purposes attached to it) but cannot hear any audio from the Chrome (Raspberry/WebRTC is accessible in the address http://192.168.1.4:9080/stream...
by jahau
Fri Feb 01, 2019 6:09 pm
Forum: Camera board
Topic: Adding Audio to UV4L Video Stream
Replies: 14
Views: 3838

Re: Adding Audio to UV4L Video Stream

null Discard all samples (playback) or generate zero samples (capture) default sysdefault:CARD=Loopback Loopback, Loopback PCM Default Audio Device front:CARD=Loopback,DEV=0 Loopback, Loopback PCM Front speakers surround21:CARD=Loopback,DEV=0 Loopback, Loopback PCM 2.1 Surround output to Front and S...
by jahau
Thu Jan 31, 2019 5:41 pm
Forum: Other projects
Topic: UV4L with audio only and multiple clients
Replies: 11
Views: 2422

Re: UV4L with audio only and multiple clients

Anyone any ideas to proceed on this? Thanks.
by jahau
Sun Jan 20, 2019 5:08 pm
Forum: Camera board
Topic: Adding Audio to UV4L Video Stream
Replies: 14
Views: 3838

Re: Adding Audio to UV4L Video Stream

Me too, as stated in https://www.raspberrypi.org/forums/viewtopic.php?f=41&t=230542&p=1419086#p1419086 I get the similar error. Settings are pretty much out of the box. I've just followed the tutorial here: https://www.linux-projects.org/uv4l/installation/ If you succeed with the mentioned tutorial,...
by jahau
Sun Jan 20, 2019 2:07 pm
Forum: Other projects
Topic: UV4L with audio only and multiple clients
Replies: 11
Views: 2422

Re: UV4L with audio only and multiple clients

Actually, I'm having trouble testing the audio in UV4L, I used "WebRTC two-way Audio/Video/Data Intercom & Recorder" demo page for this. How do I cast the audio from Raspberry PI to e.g. PC (Chrome)? Do I need to check the option "Audio: microphone/other input". If I do that and click Call, I get "A...
by jahau
Sun Jan 20, 2019 1:53 pm
Forum: Graphics, sound and multimedia
Topic: Streaming audio to web?
Replies: 6
Views: 1430

Re: Streaming audio to web?

Thank you for the answers. Peppy looks interesting.
by jahau
Sun Jan 06, 2019 7:18 am
Forum: Other projects
Topic: UV4L with audio only and multiple clients
Replies: 11
Views: 2422

Re: UV4L with audio only and multiple clients

I've checked and the uv4l is using conf-file in this environment ("/etc/uv4l/uv4l-uvc.conf"). For some reason there are two processes running (/usr/bin/uv4l -f -k --sched-fifo --mem-lock --config). Where is it told to uv4l to use certain source for the audio? How do I define several "channels" for t...
by jahau
Sat Jan 05, 2019 6:59 pm
Forum: Other projects
Topic: UV4L with audio only and multiple clients
Replies: 11
Views: 2422

UV4L with audio only and multiple clients

I've installed the uv4l pretty much following the guide: https://www.linux-projects.org/uv4l/installation/ ...and already checked links like https://www.raspberrypi.org/forums/viewtopic.php?t=108702 How do I stream something that I play on the raspberry (e.g. mp3), just the audio and just to test wh...
by jahau
Thu Dec 20, 2018 11:42 am
Forum: Graphics, sound and multimedia
Topic: Streaming audio to web?
Replies: 6
Views: 1430

Streaming audio to web?

Hi,

Do you have experience about streaming audio (e.g. from input) to web using raspberry? I've googled about PiMusicBox, UV4L, SoundWire, PulseAudio, Stream What You Hear etc but does somebody here have concrete experience about these? What are the cons and pros?

Any comments welcome, thanks!

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