Re: What format should I convert my video to for long-term storage?
- From: "acorn" <acorn@xxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 30 Jun 2008 23:07:44 -0700
I appreciate the responses but my question wasn't about the media but what FILE FORMAT I should use for long-term storage (whether I burn to disc or keep on hard drive being irrelevant for this post). Once I convert from 1080i to 720p, should I save the screen data to a file format other than AVCHD? What's the most neutral file format if I have the data open on the screen anyway?
"Ken Maltby" <kmaltby@xxxxxxxxxxxxx> wrote in message news:v_2dnduTJ5zzWPTVnZ2dnUVZ_v7inZ2d@xxxxxxxxxxxxxxx
"Netmask" <netmask56NOSPAM@xxxxxxxxx> wrote in message news:B0jak.16193$IK1.7278@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
"acorn" <acorn@xxxxxxxxxxxxxxxxxxxx> wrote in message news:g4c9le$kpr$1@xxxxxxxxxxxI have a new Sony HD camera (the TG1) which saves to AVCHD. So when I look at the memory stick, I see a bunch of files in the "streams" folder. In the old days, I would just save video tapes. Now, I need to save the files to a disc or to a hard drive. Suppose I want to store to hard drives for argument's sake. What file format should I save this stuff to for the long-term? I am inclined to convert the 1080i format to 720p x 60 hz in a program like Sony Vegas, but I still need to know what's the safest format I should save the video to after conversion? When I look at the files in 5 or 10 years, I want to know that I saved it in the right format!
There are several forums discussing this problem - like will the hardware/software be still around in 10 years - deterioration
of the physical medium. There are major problems for the long-term storage of digital media by contrast if you have a long finger nail you can hear sound from an ancient 78 rpm shellac record! Basically you have to make several copies to high quality digital media discs and periodically check them and make new copies from time to time.
http://thedvshow.com/faq-pro/?action=article&cat_id=010&id=7&lang=
A number of very wrong opinions expressed in that article, at least
in some cases he did indicate it was a guess on his part.
No one expects pressed DVDs to last 100 years.
The burned dye DVDs you can make at home aren't expected
to last ten years and can fail within a single year.
Digital tape storage can be made to incorporate a number of tricks
to insure data survival under extreme conditions. All the worlds
critical legal and financial data is stored on digital tape. Even that
requires a system of transcription to new storage medium as things
progress. Digital tape makes the transcription process fairly straight
forward.
The LTO and earlier digital storage systems will be found in service
10 to 15 years from now, based on the extent of the data stored in
those formats. VXA or the late DAT formats could be the best
option for home data archival, at this time. (cost/benefit)
Luck;
Ken
.
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