[pulseaudio-discuss] Command Line Language Volume 2

[Pierre Ossman]

Max Kempter wrote:
> Hi,
> 
> to connect a host with 
> „arecord -Dpulse -r48000 -fS16_LE -c2 | pacat -p -s 141.56.112.122 --rate=48000 --channels=2 –format=s16le“
> works.
> 
> It was the exact idea that pacat and arecord have different defaults. And so the data is not compatible.
> But this isn`t a satisfied solution for me. Because to initiate a connection with a command like this, needs a long time, nearly 1 second, and the quality is poor (delay nearly more than 0.5 seconds and reverbation sound).
> 

The delay is probably caused by buffering. Try tweaking the buffer
settings for both arecord and pacat.

> So I tried it with pacmd-tool and the rtp-send-module, but I had 
> some trouble with it, because I want only connect one or two hosts
> at the same time. 
> Actually no problem with the parameter destination=“multicast address“ (rtp-send....). But for this I have to install a router, where I can define the multicast adresses ?! It`s a good idea for big networks, but I have only few hosts in the same domain.
> Is there a possibilty to set the multicast adresses locally? You know a HOWTO?

Multicast should always work on a LAN, and the rtp-recv module should
register the relevant address. Try running both on the same machine to
make sure it isn't a network problem.

Rgds
-- 
Pierre Ossman            OpenSource-based Thin Client Technology
System Developer         Telephone: +46-13-21 46 00
Cendio AB                Web: http://www.cendio.com

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