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- Path: news.mel.aone.net.au!usenet
- From: mpa@iig.com.au (Mark P Allen)
- Newsgroups: comp.sys.amiga.hardware
- Subject: Re: VLAB Motion/MovieShop "Data Transfer Phase Error"?
- Date: 24 Mar 1996 22:44:17 GMT
- Message-ID: <2317.6657T1313T1259@iig.com.au>
- References: <4479.6653T1012T1736@iig.com.au> <5019.6654T1404T2268@mbox200.swipnet.se>
- NNTP-Posting-Host: cnsta04.iig.com.au
- X-Newsreader: THOR 2.22 (Amiga;TCP/IP) *UNREGISTERED*
-
-
- On 22-Mar-96 14:24:45, Johan Otterstrom wrote:
- >>Also, with (high demand) cards like the VLAB Motion and CV64, does it
- >>matter in what order they are installed in their Zorro slots (ie., closest
- >>to CPU, to furthest away etc)?
-
- JO> I don't think it matters. The problem with VLab is the slow ZII bus. The
-
- Tell me about it. I would rest easier knowing there was a REAL reason
- behind MacroSystem not making the VLAB Motion a Z2/Z3 card in the first
- place...
-
- JO> mximum transferrate I achieved was 1.9Mb/sec. and this drops when using
-
- Maximum I ever recorded was 2.6MB/sec for about 4 seconds. While I could
- move through the frames individually, and they all looked OK, I could not
- play it back. I generally find I'm limited to about 1.5MB/sec for reliable
- playback free of error requesters.
-
- JO> audio at the same time. Check out the Draco it offers about 3MB/sec over
- JO> the ZII bus. Also soon to come the Draco direct VLab M - 35Mb/sec. audio
- JO> is on the board to.
-
- Yes, well, I should be doing 4+MB/sec on the Z3 bus now IMO. DraCo has
- been promising 30MB/sec for the past 18 months, and is still using the
- 16-bit VLAB and getting 10% of that promise.
-
- >>2) I have also found that both times I have added an external sound track
- >>(ie., take a complete video that is comprised of camera video and audio, and
- >>then add a music track digitised from CD) the playback is now compromised by
- >>instability (irregular, occasional flashing frames) that makes the video
- >>unrecordable.
-
- JO> Flashing playback is often due to corrupt frames beeing rcorded. Use
- JO> ALT+arrow keys to check through the different fields, then delete the
- JO> corrupt frames.
-
- No, they are not corrupt frames. Playback was perfect, over and over,
- until I added the second soundtrack. That's when the flashing frames
- started. The flashing is random, and not traceable to specific frames.
-
- Having just installed MovieShop v3.4, I am yet to see the flashing on the
- problematic project I was referring to (after saving it out of MS 3.0 as a
- scene and importing it back into MS 3.4, so it's possible it may have
- been fixed. Early days yet...
-
- Thanks for your comments.
-
- Regards,
-
- Mark
-
- ---
- mpa@iig.com.au - Ph:+61-70-332930 - Cairns
- Wishful Vision - Fx:+61-70-332931 - Australia
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