Sound dropping out

Douglas Griffin (
Tue, 31 Jan 1995 15:03:44 -0500

>From: Pat Korn <>
>Subject: Sound dropping out
>When I watch a NASA select reflector, the sound will be coming in fine for a
>few seconds, and then stop. The icon still shows it is turned on, by I don't
>hear anything. If I toggle the sound icon, it will come back on for a little
>while before it cuts back out. Anyone else had this problem? I'm using the
>.80b2 version of CU-SeeMe for Mac. I use the ppc version at home with my
>PowerMac 6100 over a 14,400 modem and the 680xx version at work with a IIci
>on Ethernet connected to a 56K line. I happens both places.

Starting in December there were a series of posts on the subject of "Audio
lock-up with MacIIci." An extract of my post below was similar to yours:

>When running Cu-SeeMe with either a direct one-to-one connection or
through a reflector I receive 5 seconds of audio and video from the other
end. At the end of 5 seconds, the receive audio stops coming from my
internal speaker but the receive video continues. If I click the received
audio speaker icon off and on, audio functions again for another 5 seconds,
then locks up again.

This was suggested to be a serial port audio handling problem produced by
my QuickCam. However, I get the same problem without QuickCam. Others
without a camera have reported the same problem on the MaIIci and on the

You are not alone. I found some relief by disabling as many inits as
possible and not having other programs running at the same time. Sometimes
this works, most times it does not.


Douglas Griffin |
Associate Research Scientist | Phone (203) 431-5433
Schlumberger-Doll Research | Fax (203) 438-3819
Old Quarry Road |
Ridgefield, CT 06877 |