Steve Mahrer
Forum Replies Created
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Hello Emre;
The AJ-HDC27FP and AJ-HDC27FE are the same camera, same software, same specs, same everything.
The only difference betwen the “P” and “E” versions is in the labeling for the local US or EU safety specs, EU is CE, US is UL. If you shooting in the EU, you should check that the SYS FREQ menu is set to 60.00, in the US is is usually set to 59.94. This is to be found in the Engineering menus, Camera menu #4, Options, SYS FREQ.Good luck, shoot good stuff!
Steve Mahrer (Panasonic Broadcast US)
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Hi Walter:
I think we’re all on the same page, phew! Semanitics are very important here.
My fears were that folks were assembing shows scene by scene etc…. Your aproach
of a one pass layback should be quite valid and should work.Thanks
Steve Mahrer (Panasonic Broadcast)
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Dale:
What your doing is okay as you’re laying off the entire show as one piece, that’s like a hard record function. My worries are that folks are trying to assemble their masters in pieces, they’ll layoff a minutes of so, return and add another clip after that, and so on. The overlaps where the old and new material meets is where the problem of high error rates occur, that’s where flying erase heads etc are required to ensure a clean edit.
Cheers, Steve Mahrer (Panasonic Broadcast)
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Walter:
Joking aside, please understand that the process for actualy recording on tape is very different between true editing and the this quaisi-Crash Assemble process, the record light may light up, the tape may play okay, yet it’s not a 100% safe edit. I just wanted to reitterate the difference….
Steve Mahrer (Panasonic Bradcast)
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Walter:
As I have posted many times before, please understand that the 1200A cannot edit. You are performing a CRASH hard record onto the tape. There is no flying erase on the 1200A to remove the old data and also no guarantee of tape format integrity, thus each time you “edit” you may generate an area on tape with very high error rates. You may see no errors on playback, that cannot however be guaranteeed for other decks. You may be tricking the VTR into recording close to the corrrect time required, but it’s not really editing.
Rant over, Steve Mahrer (Panasonic Broadcast)
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Ethan:
As the other posters have explained, there is no AGC function in the camera, thus the “gain” is not changing. What I suspect you’re seeing is actualy your eye / brain adjusting to the dark, it’s your human brain AGC / auto contrast cutting in.
Thus before you remove boards etc ( please don’t..) try this: Shoot a minute or two of footage in the dark (welding or whatever), then without changing any settings shoot a minute of footage in normal lighting, then again without changing anything simply cap the camera and roll for another minute. Examine the black level noise of the camera on all three clips, it should not change. It’s best to use a scope to really measure the noise. About the only possible way the camera can increase the noise (albeit by a small factor) is if the level dependance adustment for detail is miss set. To test for this, simply turn off the detail completely. (Film Menu #1, CAM SETTING, DETAIL to OFF)
Good luck
Steve Mahrer (Panasonic Bradcast)
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Dale:
The AJ-HD130 is a nice deck, but records in the older 18um DVCPRO HD format. It records / plays 1080i 59.94 and 720p 59.94 and can downconvert either to SD with SDI / NTSC OPs. It can’t play any of the other DV / DVCPRO formats… nor can it cross convert 1080i to 720p… The 130 also cannot play the newer 9um tapes from the 1200 / 1700 decks.
The newer AJ-HD1200A uses the EX format (9um) thus doubling time on tape for REC. It records HD only, but has 1080i 50i in addition to 720p 59.94 / 60.00, and 1080i 59.94/60.00. It can play ANY DV, DVCAM, DVCPRO, DVCPRO HD tapes, and can also convert from SD to HD, HD to SD and HD to HD. It can also play both 18um and 9um DVCPRO HD tapes.
Please don’t forget that neither deck can edit, just hard REC/PB.
The choice is now up to you…
Good luck
Steve Mahrer (Panasonic Broadcast)
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Hi Charlie:
The newer AJ-HD1200A and AJ-HD1700 decks record to tape with the new 9um track pitch DVCPRO HD EX format, this doubles the record time on the tape over the older (18um) format as used in the VariCam and the older AJ-HD130/150 decks. The new 1200A / 1700 decks can play any DV /DVCPRO tape, alas the older units, (the 130/150 / VariCam) can only play the original 18um DVCPRO HD format. This is why the VariCam doesn’t play the tape you recorded in the 1200, sorry.
We made the decision to move to the newer 9um format to provide users with long record times on small tapes, it also effectively halves the tape cost per hour, in this way the 1200 can record for a maximum of 92 minutes.
Sorry for the bad news,
Cheers!
Steve Mahrer (Panasonic Broadcast)
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Hi Shane:
I’m not sure where you got the erroneous information, but the AJ-FRC27 (Frame Rate Converter) is still very much alive as a product. As standard is has HD-SDI OPs and a monitoring NTSC/PAL composite OP. If required you can also add the optional SD SDI downconverter option for high quality SD outputs. This option is called the AJ-YA27. Judging by soem of the postings, this is what many of the sers have chosen to install.
Hope it helps clear up some confusion.
Best regards,
Steve Mahrer (Panasonic Broadcast US)
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Peter et al:
The AJ-FRC27 Frame rate Converter comes with HD SDI OPs and a composite PAL /NTSC ouput as standard.
After receiving numerous requests for a high quality (SD) SDI OP, we designed a new option card for the FRC. This new SD downconverter is a very high quality downconverter with full 10 bit 4:2:2 SDI output.
The model number for this accessory is the AJ-YA27. Please consult your local Panasonic sales people for details of availablity, pricing, installation etc.Hope it helps clear up the confusion.
Cheers!
Steve Mahrer (Panasonic Broadcast US)