My old blog still exists, but I also imported the old entries into this page.
My old blog still exists, but I also imported the old entries into this page.
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The following two shell commands record sound from an ALSA capture device (aka. microphone), encode it using OPUS, send it to a second host as a raw UDP stream and decode and play it on that second host. Run two instances of this to achive real full-duplex communication! This is most probably how Richard Stallman does voice chats.
The first command (capturing, encoding, sending):
arecord - | opusenc --bitrate 16 --ignorelength --expect-loss 10 \
In theory, this is very easy: Just request the webradio using avconv/ffmpeg,
convert it to a wave file, pipe that into opusenc, and pipe the result into
oggfwd. Of cause, that doesn't actually work. The first problem is that the
required software is extremely new. I used the following:
(This blogpost is still work-in-progress)
Some months ago dyndns.org had problems with their service, which caused me to
log into my dyndns.org control panel to update my A record (keks.selfip.org)
manually. Before that dyndns.org made wildcard support a premium feature, so I
lost my wildcard entry when I updated the A record. I was seriously not amused.
I started to search for other dyndns providers, but did not find what I searched for, which is:
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