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ldfan
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Post subject: Re: Looking for a player with BothSide and full CAV support Posted: 16 Jul 2019, 20:22 |
Hardcore fan |
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Joined: 28 Jun 2014, 05:59 Posts: 1459 Location: San Francisco, CA USA Has thanked: 425 times Been thanked: 533 times
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So I guess we can now say without question that “every NTSC LaserDisc player ever made is capable of CAV trick effects”.
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yaffle2345
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Post subject: Re: Looking for a player with BothSide and full CAV support Posted: 16 Jul 2019, 22:25 |
Honest fan |
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Joined: 03 Mar 2019, 15:15 Posts: 90 Location: United Kingdom Has thanked: 7 times Been thanked: 16 times
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xtempo wrote: Possibly unless CAV was also done in the small size in which case I don't think my LD-V3000 would be able to do that but I'll check when I get it from storage. Crikey, just searched for some info on the LD-V3000 - I'd never realised such a player existed! Very interesting. I've just had a look at the manual (online here, https://manuals.lddb.com/LD_Players/Pioneer/LD/LD-V3000/LD-V3000-EN_Scan.pdf) and it does certainly handle all CAV functions. I assume there was some reason Pioneer produced this? Industrial training discs I suppose, but were there many made in this size? The manual references "Self-Programmed Disc Playback", where a program recorded on the disc is automatically transferred into a memory inside the player. Does anyone have more information on this? Sorry, dragging the thread off-topic, I should start a new one...
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blam1
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Post subject: Re: Looking for a player with BothSide and full CAV support Posted: 17 Jul 2019, 19:25 |
Advanced fan |
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Joined: 21 Dec 2002, 18:44 Posts: 959 Has thanked: 0 time Been thanked: 122 times
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yaffle2345 wrote: signofzeta wrote: EVERY LD PLAYER supports CAV functions. All of them. Even the ones that ran in Buick kiosks in 1978. All of them. Yours, mine, everyone. If you have the correct remote or serial access it will happen.
Now someone is going to produce the one player model number that somehow doesn’t but I’m %99.9 every single player does. I like a challenge! But I'll have to go PAL I'm afraid... there were a few in PAL-land that couldn't do CAV freeze frames and so on - One is the Pioneer CLD-1200 - see the review in LaserDisc review #19, page 23 onwards... http://magazines.lddb.com/Laser.Disc.Review_UK/1988/Laser.Disc.Review_no.19_1988.12-600dpi.pdf"[...] the new player does not function properly with CAV videodiscs, treating these exactly as though they were CLV encoded, This is an unexpected economy by Pioneer that will no doubt be seen as rather a strange move by existing LV player owners. [...] Just to put the record straight, a non-CAV capable player is not unprecedented; in some European countries Philips marketed the VP 500, a small top-loader based on the 720/830 mechanism, that was similarly stripped of any CAV facilities to keep the price down." The CLD-600, CLD-700 & CLD-800 (all PAL players) are similarly limited in their freeze-frame capabilities. Playback only with no "special" functions, and the remote strangely light on the button count.
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takeshi666
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Post subject: Re: Looking for a player with BothSide and full CAV support Posted: 18 Jul 2019, 06:42 |
Absolute fan |
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Joined: 01 Feb 2018, 02:41 Posts: 1995 Location: Finland Has thanked: 183 times Been thanked: 386 times
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blam1 wrote: The CLD-600, CLD-700 & CLD-800 (all PAL players) are similarly limited in their freeze-frame capabilities. Playback only with no "special" functions, and the remote strangely light on the button count. I wouldn't at all be surprised if they were desperate to find any solutions to bring the prices down at least a little bit in the PAL market so somebody would buy them.
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yaffle2345
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Post subject: Re: Looking for a player with BothSide and full CAV support Posted: 28 Jul 2019, 13:39 |
Honest fan |
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Joined: 03 Mar 2019, 15:15 Posts: 90 Location: United Kingdom Has thanked: 7 times Been thanked: 16 times
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signofzeta wrote: More likely it was an attempt to make more expensive models more appealing, much like how microchips will sometimes all built the same but with the budget versions having deactivated cores. There may be a huge range of chips and prices but they all cost the same to develop and manufacture because they are all the same thing. Although when the Pioneer CLD-1200 was launched in the UK, it was the only Pioneer machine in the range - up against the (CAV-equipped) Philips CDV475 and Marantz CV-55 - so you'd imagine they'd have included the trick-play features if there had been no financial reason not to. signofzeta wrote: I’m not really sure how removing CAV functions would save any money at all. A CAV disc in freeze frame is quiet literally just the player stopping the laser and playing the same field over and over instead of moving one lap in every 1/60 of a second. I think the trusty LaserDisc Review magazine may hint at the answer here: http://magazines.lddb.com/Laser.Disc.Review_UK/1988/Laser.Disc.Review_no.19_1988.12-600dpi.pdf...on page 21, the article "The RGB Connection - the 8-field PAL sequence" This says that PAL fields are grouped into sequences of 8, so if you extract just 2 fields for a freeze frame "the bandwidth of the signal is reduced". I don't understand the technicalities of it all, but maybe a little extra circuitry was required to give a reasonable PAL freeze-frame, and this could be why the feature was sometimes dropped.
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