YSTV Archive: Difference between revisions

1,460 bytes added ,  20 November 2024
Preliminary 2024 Archiving Project details added
(→‎IVC 1" Open Reel: link page on the hunt, remove some content desitned there)
(Preliminary 2024 Archiving Project details added)
 
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A slightly grand term for a pile of mixed format tapes.
A slightly grand term for a pile of mixed format tapes.
YSTV has video archive material dating back to the mind 1970s at the moment, although we can't play anything older than about 1984. Any contributions of material, or help accessing older formats would be greatly appreciated. In total 8 analogue and 3.5 digital formats are represented in the archive.
 
YSTV has video archive material dating back to the mind 1970s at the moment, although we can't play anything older than about 1984. Any contributions of material, or help accessing older formats would be greatly appreciated (if you've wondered off with any tapes from your time at York, [[YSTV tape confessional|we forgive you]]). In total 8 analogue and 3.5 digital formats are represented in the archive.
 
There has been an attempt to partially catalogue the VHS archive known as the [[Digital archive|Digital Archive]] project. [[Steven Perring]] has had success with the Yorkshire Film Archive, who have agreed to (at some future point), digitise and store our entire video archive in all formats.


== Legacy Formats ==
== Legacy Formats ==
These are formats that we are not adding to, and hope eventually to transfer to more accessible and durable formats. The urgency of these transfers depends on the durability of the source and the availability of suitable machines to play the archive tapes.
These are formats that we are not adding to, and hope eventually to transfer to more accessible and durable formats. The urgency of these transfers depends on the durability of the source and the availability of suitable machines to play the archive tapes. For more on efforts so far, see the [[Archive Hunt]], [[2021 Archive Redo]], and [[2024 Archive Cataloguing]] pages.


=== IVC 1" Open Reel ===
=== IVC 1" Open Reel ===
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=== Sony 1" Open Reel ===
=== Sony 1" Open Reel ===
The same physical tapes as the IVC ones, but a different machine. [[Tom Whitehouse]] recalls a Sony machine with flying erase heads (i.e. an insert edit machine) with an external colour adaptor unit that was never used. This was probably a [http://www.brogers.addr.com/Web/EV320F.htm Sony EV-320F] (another picture [http://www.labguysworld.com/Sony_EV-320F.htm here]). Both the 1" machines were colour capable, interestingly. Obviously someone (probably in AV) had some ambitions to colour long before YSTV got there.
The same physical tapes as the IVC ones, but on different reels for a different machine. [[Tom Whitehouse]] recalls a Sony machine with flying erase heads (i.e. an insert edit machine) with an external colour adaptor unit that was never used. This was probably a [http://www.brogers.addr.com/Web/EV320F.htm Sony EV-320F] (another picture [http://www.labguysworld.com/Sony_EV-320F.htm here]). Both the 1" machines were colour capable, interestingly. Obviously someone (probably in AV) had some ambitions to colour long before YSTV got there.


=== Sony Rover 1/2" Open Reel ===
=== Sony Rover 1/2" Open Reel ===
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=== Media 100 ===
=== Media 100 ===
A significant amount of material edited on the [[The Mac|Media 100]] edit suite was transferred off to another machine and subsequently burnt to data CD. These CDs are still easily readable on modern machines, however the contents of the files are only accessible if they are re-imported (and re-typed) onto the Mac, because the video data is compressed with the proprietary video codec used by the Media 100qx capture card. Attempts to find a software codec for any available platform have so far failed - do let us know if you find one. In the mean time the only route out is to load the files back into the Mac, put them on a Premiere time line, and render to a standard format like DV, which then has to be transferred out over the Mac's 10M Ethernet port to the rest of the world for storage.
A significant amount of material edited on the [[The Mac|Media 100]] edit suite was transferred off to another machine and subsequently burnt to data CD. These CDs are still easily readable on modern machines, however the contents of the files are only accessible if they are re-imported (and re-typed) onto the Mac, because the video data is compressed with the proprietary video codec used by the Media 100qx capture card. Attempts to find a software codec for any available platform have so far failed - do let us know if you find one. In the mean time the only route out is to load the files back into the Mac, put them on a Premiere time line, and render to a standard format like DV, which then has to be transferred out over the Mac's 10M Ethernet port to the rest of the world for storage.
=== S-VHS ===
SVHS arrived sometime {{unsure|around 1994}} with the purchase of an SVHS Camcorder (a [[Panasonic MS4]]) and a recorder/player to go in the control room. Most things had to be dubbed to U-Matic for editing until the availability of the [[The Mac|Media100 computer edit suite]] in 1998.
A higher quality version of VHS, both in terms of number of lines and recording luma and chroma seperately, it later replaced Umatic for editing (around 2000, although further displaced by computer edit suites by 2003). It continues as a live program capture format, although now secondary to digital capture for repeats and archiving. Some outside broadcasts still rely on SVHS as the primary recording format, with digital copies being produced from the SVHS tape.
=== XviD ===
Derived from the MPEG-4 reference code, this is an open source lossy video codec from [http://www.xvid.org/ xvid.org]. It was first used to encode DV video uploaded to the [[Video Server]] to economise on disk space. As this usage increased to include all video played out from the Video Server, it became useful to archive the files even after they were deleted from the system, to avoid time consuming capture from tape. As Premiere Pro will import compressed video files, it is now much more convenient to find clips from the digital archive on data DVDs than from SVHS tapes, so XviD compressed files have become the dominant format for archiving final productions.


== Current Formats ==
== Current Formats ==
These are used for current contributions to the archive. The aim is that they should be as durable and widely playable as possible for the future, whilst also preserving decent picture quality in a reasonable amount of space.
These are used for current contributions to the archive. The aim is that they should be as durable and widely playable as possible for the future, whilst also preserving decent picture quality in a reasonable amount of space.


=== S-VHS ===
SVHS arrived sometime {{unsure|around 1994}} with the purchase of an SVHS Camcorder (a Panasonic MS4 {{unsure|AG-456}}) and a recorder/player to go in the control room. Most things had to be dubbed to U-Matic for editing until the availability of the [[The Mac|Media100 computer edit suite]] in 1998.
A higher quality version of VHS, it later replaced Umatic for editing (around 2000, although displaced by computer edit suites by 2003). It continues as a live program capture format, although now secondary to digital capture for repeats and archiving. Some outside broadcasts still rely on S-VHS as the primary recording format, with digital copies being produced from the S-VHS tape.


=== DV ===
=== DV ===
This is found both as MiniDV format tape cassettes, and as DV data burnt to data DVDs. The latter are usually items from edit sessions that are likely to be needed again for editing in the future, so the quality loss of compressing and decompressing a more compressed format is undesirable. MiniDV is universal for outside filming, although direct capture of DV data to computer has replaced it for most studio work.
This is found both as MiniDV format tape cassettes, and as DV data burnt to data DVDs. The latter are usually items from edit sessions that are likely to be needed again for editing in the future, so the quality loss of compressing and decompressing a more compressed format is undesirable. MiniDV is universal for outside filming, although direct capture of DV data to computer has replaced it for most studio work.


=== XviD ===
=== HDV ===
Derived from the MPEG-4 reference code, this is an open source lossy video codec from [http://www.xvid.org/ xvid.org]. It was first used to encode DV video uploaded to the [[Video Server]] to economise on disk space. As this usage increased to include all video played out from the Video Server, it became useful to archive the files even after they were deleted from the system, to avoid time consuming capture from tape. As Premiere Pro will import compressed video files, it is now much more convenient to find clips from the digital archive on data DVDs than from SVHS tapes, so XviD compressed files have become the dominant format for archiving final productions.
YSTV used HDV from 2008 for use in the HVR-HD1000E cameras.
 
=== mpg ===
YSTV uses this for recording onto the video server, It's literally the bitstream as it comes from the capture cards.
 
== Cataloguing ==
In 2024, work began on updating the catalogue of the archives (See page [[2024 Archive Cataloguing]]).  
 
Many of the tapes are labelled with with some letters, followed by numbers, which seem to mark the format and the order of use of tapes. The following table is a key of these codes.
{| class="wikitable"
|+
!Code
!Format/Meaning
!
!
|-
|AB
|Unknown
|
|
|-
|SR
|Sony Rover 1/2" Open Reel
|
|
|-
|RP
|Unknown
|
|
|-
|B
|Unknown
|
|
|-
|IVC
|IVC 1" Open Reel
|
|
|-
|SONY
|Sony 1" Open Reel
|
|
|-
|U
|Umatic
|
|
|-
|VT
|Unknown
|
|
|-
|M
|Mmatic
|
|
|-
|DVD
|
|
|
|-
|S
|
|
|
|-
|A
|
|
|
|-
|L
|
|
|
|}
[[Category:Archiving]]
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