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Topic History of: Have I bought a useless plug-in?
Max. showing the last posts - (Last post first)

Author	Message
Erich	Seems I spoke a little too soon in my last glowing post... see my new topic on my persistent clicking popping problem....
Erich	Hey Kids, So I was having this regular drop out problem as well, and finally discovered (after getting round to realizing how regular the drop outs were) that my sample rates on the machines were indeed different. I'd propose, that even though this should be obvious to all of us, you might want to add a little PAQ on these factors, lol. Kind Regards, thanks for the most awsome little widget! -E
Adrian	Thank you for the precise information. Getting problems every 20secs means to me that there must be a fundamental problem with the setup. It is possible that Wormhole connection loose sync over longer periods of time as they relate to the machines' sample clocks. With multiple machines, those sample clocks are not 100% the same, so there can be problems if you let a connection run for very long. Now to get this every 20 sec, I only see a few possibilties: - maybe the machines aren't running at the same sample clock rate? Wormhole does not convert sample rates, so everything has to use the same rate. - maybe other network traffic is hindering wormhole traffic. As you have a fast connection, this can't happen because of the amount, but maybe something goes on which monopolizes the connection (wild guess) - maybe you could try to sync the sample rates of your audio interfaces, have just one sample rate master clock.
Dag Henning Kalvøy	Hi, I bought Wormhole2 a couple of days ago, in order to transmit audio between a TiBook (1GHz, 1 Gb ram, OSX 10.3.9) and a new MacBook (2 GHz, 2 Gb ram, OSX 10.4.7). I tested the demo first, which was promising. However, it turns out that Wormhole2 seems unusable for the live usage I intended it to (which is also advertised on the Wormhole web page). It works very well for a varying period of time, then after some minutes (maybe two to ten) the sound starts cracking and distorting. Eventually, the sound disappears completely, and I get a "the connection has timed out" message. Then, after a second, it seems the connection resets, and is fine for another couple of minutes until the cycle starts over again. This is what happens consistently when transferring from MacBook to PowerBook, or sending an insert loop to the PowerBook, both with built in sound card used. When transferring from PowerBook to MacBook, or when using different sound cards (RME Multiface for the PowerBook, Tascam US428 for the MacBook - both with the latest drivers) the problem is somewhat different. It seems like what's an accumulating bandwidth problem in the previous situation, is "solved" in the new situation by shifting the received signal gradually increasingly out of sync, by frequent little glitches (maybe every 20 seconds or so). Both problems of course renders the Wormhole2 useless. Buffer and latency settings have no effect on the problems. Network settings are the same for both situations, ethernet configured manually with 1000baseT speed, and full duplex (settings I for a while believed helped the situation a bit). I'm using a cross over ethernet cable tested to 350 MHz, no hub. Plug-in hosts on both Macs were Max/MSP and Ableton Live, both tested with various low latencies, mostly 256 samples. The host settings don't seem to make any effect on the problem, however the "gradually out of sync" situation resets to sync whenever any sound card setting changes. OK. These are complex situations, I hope I've included the vital parts. I also hope I haven't wasted my money on this plug, which is a really great idea if it works. Dag Henning

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