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a couple of problems with IHU voip prog.
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Gentree
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Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe

PostPosted: Fri Feb 12, 2010 3:39 pm    Post subject: a couple of problems with IHU voip prog. Reply with quote

just tested the IHU ebuild in the layman voip overlay. Perfect job.

This is exactly what I was looking for: a direct p2p phone connection. No skype , no server, no fees.

Works very well straight out of the box.

Two issues that may not be the fault of the software.

1/ I can only initiate the call from one end , this is probably due to broken firewall on router.
2/ A strong echo on one end (my end). Other direction is fine.

Very impressed.

The echo was present when I was test calling localhost and I took it to be the correct sound from the answering part of the the link. However, now on a remote call I am still getting my own voice strongly out of my audio output with about 0.25 seconds delay. Very distracting , but workable.

Anyone have any ideas on reducing the volume of the echo or why is it there at all ?

TIA, Gentree. 8)
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Gentree
Watchman
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Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe

PostPosted: Thu Mar 04, 2010 10:06 am    Post subject: Reply with quote

The echo turns out to be physical acoustic feedback. The other end is a laptop that needs quite a lot of mike gain to be audible. The speaker is nearer to the mike than the users head so some feedback is to expected.

The echo time is basically twice the latency of the link. This is less using UDP, more if only using TCP link.
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cjubon
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Joined: 03 Jul 2007
Posts: 450
Location: Vienna/Europe

PostPosted: Thu Apr 08, 2010 9:03 pm    Post subject: Reply with quote

How did you do? It seems to need qt3. I get this error when emerging on amd64:
Code:
checking for Qt... ls: cannot access /lib/libqt*: No such file or directory
ls: cannot access /usr/lib/libqt*: No such file or directory
ls: cannot access /usr/local/lib/libqt*: No such file or directory
ls: cannot access /opt/lib/libqt*: No such file or directory
ls: cannot access /usr/lib/qt4/libqt*: No such file or directory
no
configure: error: QT LIBRARIES NOT FOUND. They might be in a non-standard path (then use --with-Qt-dir option), or they need to be installed.


Thanks for the hint anyhow.
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Gentree
Watchman
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Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe

PostPosted: Fri Apr 09, 2010 7:55 am    Post subject: Reply with quote

did not do anything special , just used the overlay.

Code:
[ebuild   R   ] net-im/ihu-0.6.0  USE="-jack" 0 kB [1]

however I seems to have qt3 installed from an overlay.

Code:
etcat -v qt
*  x11-libs/qt :
        [M I] 3.3.8b-r2 (3) OVERLAY
        [M  ] 4.5.3 (4)
        [M~ ] 4.6.1 (4)
        [M  ] 4.6.2 (4)
-su-4.0#

I guess that is from the voip overlay I stated.

HTH
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