HD100 Runs of out tape?? - AVS Forum
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post #1 of 13 Old 08-27-2001, 07:15 PM - Thread Starter
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Ok guys, I just got a D-VHS JVC tape that says it holds 300 minutes in D-VHS mode. That's 5 hours of recording in D-VHS mode. I tried to record The Patriot this past weekend. The movie is about 160 minutes, yet the tape still ran out!! I missed the last 5 minutes or so of the movie because it ran out after about 2 and a half hours. Can anyone explain why this is happening?

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post #2 of 13 Old 08-27-2001, 07:32 PM
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For HDTV, a PV-HD1000 must record in HS mode, which means a DF-300 holds about, you guessed it, 2 1/2 hours.

I use any ST-120 SVHS for 2 hours, Maxell ST-186 Professional for 3 hours and there is a DF-420 for 3 1/2 hours.

Other brands of SVHS are used by members here, try a search here for tape.

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post #3 of 13 Old 08-27-2001, 07:34 PM - Thread Starter
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Ken,

But why would JVC advertise on their tape that it can record 300 minutes in DVHS mode? I thought DVHS automatically means High Definition...

"I fear, from the experience of the last twenty-five years, that morals do not of necessity advance hand in hand with the sciences." --Thomas Jefferson to M. Correa de Serra, 1815. ME 14:331
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post #4 of 13 Old 08-27-2001, 08:48 PM
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You pose a good question. The original versions of the PV-HD1000 referenced DTV recording in either the HS or HS/STD mode. Newer versions say the selection is automatic, the HD mode is always in effect, which uses the recording times above.

DVHS does not only mean HDTV, there have been other non-HDTV DVHS recorders. RCA, Hughes & Hitachi all marketed units that connected to one of their DirecTV receivers for standard DTV recording. I don't know what recording modes were available, but it wouldn't surprise me if they could do 300 minutes in long mode, due to the lower data rate.

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[This message has been edited by Ken H (edited 08-27-2001).]

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post #5 of 13 Old 08-27-2001, 09:23 PM
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Over here some of the DVHS recorders are advertised as having even slower modes than STD. I believe one mode moves the tape so slowly that you can get 24 hours of taping on a DF480 tape but presumably there is a big drop off in quality even compared to STD.

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post #6 of 13 Old 08-28-2001, 06:55 AM - Thread Starter
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Thanks for the details guys.

Ken, I am looking at Maxell's website and there is no trace of the Maxell ST-186 tapes. Where are you buying yours? tapewarehouse.com doesn't have them either...


"I fear, from the experience of the last twenty-five years, that morals do not of necessity advance hand in hand with the sciences." --Thomas Jefferson to M. Correa de Serra, 1815. ME 14:331
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post #7 of 13 Old 08-28-2001, 07:05 AM
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JVC proposed three modes for DVHS: HS, STD, and LS. The DF tape numbers are based on the STD mode which was the first to be accepted in the US.

Info on this can be found at this site.

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post #8 of 13 Old 08-28-2001, 07:46 AM
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The Maxell Professional SVHS line is available at:
http://www.tapeworld.com/

The ST-182 BQ is $11.99 ea.


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[This message has been edited by Ken H (edited 08-28-2001).]

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post #9 of 13 Old 08-29-2001, 12:19 AM
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Quote:
Originally posted by Pericles:
Ken,

But why would JVC advertise on their tape that it can record 300 minutes in DVHS mode? I thought DVHS automatically means High Definition...
There are (or were) non-HDTV D-VHS machines before the
PV-HD1000. They are (or were):

Dish: JVC DSR-100 (combination 5000 and D-VHS VCR)

DirectTV: RCA VR911HF
Hitachi VTDX815A
Hughes HDR-205 (identical to Hitachi unit)

All four of these use the same D-VHS tape as you're using
in your PV-HD1000. But the recording speed of these
non-HDTV machines is 1/2 the speed required for the HDTV
recording of the PV-HD1000.

So on these other four machines the recording time is
precisely what the JVC time is claimed to be... DF-180
is 3 hours, DF-300 is 5 hours, and DF-420 is 7 hours.
This is non-HDTV 4:3 digital recording of the MPEG-2
bitstream data from the satellite. Playback is 100%
identical to the original satellite broadcast.
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post #10 of 13 Old 08-29-2001, 12:25 AM
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Quote:
Originally posted by DSperber:
There are (or were) non-HDTV D-VHS machines before the
PV-HD1000. They are (or were):

Dish: JVC DSR-100 (combination 5000 and D-VHS VCR)

DirectTV: RCA VR911HF
Hitachi VTDX815A
Hughes HDR-205 (identical to Hitachi unit)

Note that the DirectTV-compatible machines connected through
firewire to just a handful of DirectTV receivers which
were built (a few years ago) to support D-VHS recording.

Only one is still around today... the Hughes HIRD-E45
Platinum. It is actually available and still for sale,
although you can't find the D-VHS machines except on eBay.

RCA made a receiver as well (I think it was the DSR-705 or
something like that) which had a firewire port in support
of its VR911HF, but it's history now.


Note that all three DirectTV-compatible D-VHS machines
are usable with the Hughes HIRD-E45 receiver. I think they
all may have actually been made by Hitachi, or Thompson.

Whatever... if you can find any of the three VCRs you can
use it with the E45. They are all functionally identical,
and electrically and digitally compatible with the E45.
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post #11 of 13 Old 08-29-2001, 07:32 AM - Thread Starter
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I just looked at JVC's website searching for the JVC DSR-100 that you mentioned (without any luck), but I ran into this product:
http://www.jvc.com/product.jsp?productId=PRD4603000

Is there a way to get this VCR to record HD content?

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post #12 of 13 Old 08-29-2001, 11:51 AM
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Quote:
Originally posted by Pericles:
I just looked at JVC's website searching for the JVC DSR-100 that you mentioned (without any luck), but I ran into this product:
http://www.jvc.com/product.jsp?productId=PRD4603000

Is there a way to get this VCR to record HD content?
No, this is a non-HD D-VHS VCR, integrated with the
functional equivalent of a Dish 5000 receiver. However it's
not really a Dish 5000 (despite the fact that it has a
high-speed dataport on the back) so you can't plug in
an HDTV modulator (if you could even find one) in order
to support HDTV like a "real" 5000 can.

But it does record 4:3 non-HDTV in D-VHS, meaning it makes
perfect bitstream recordings of satellite broadcasts.


However despite the fact that JVC still has this product
shown on their web site, it is UNAVAILABLE for sale
any longer.

Even if you could find it on eBay, it does NOT record HDTV.
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post #13 of 13 Old 08-29-2001, 09:34 PM
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Nope, that's the same as the Dish unit mentioned by DSperber.

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