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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » EPISODE II: what sound format did you use ? PCM 6ch, Dolby EX, DTS ES ? (Page 2)

 
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Author Topic: EPISODE II: what sound format did you use ? PCM 6ch, Dolby EX, DTS ES ?
John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000


 - posted 05-22-2002 10:09 AM      Profile for John Pytlak   Author's Homepage   Email John Pytlak   Send New Private Message       Edit/Delete Post 
If Bobby Henderson's 7.7GB estimate for uncompressed 24-bit audio is accurate, that's still almost 10% of the data load, and hardly negligible.

------------------
John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Entertainment Imaging
Research Labs, Building 69, Room 7525A
Rochester, New York, 14650-1922 USA
Tel: +1 585 477 5325 Cell: +1 585 781 4036 Fax: +1 585 722 7243
e-mail: john.pytlak@kodak.com
Web site: http://www.kodak.com/go/motion

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John Hawkinson
Film God

Posts: 2273
From: Cambridge, MA, USA
Registered: Feb 2002


 - posted 05-22-2002 10:13 AM      Profile for John Hawkinson   Email John Hawkinson   Send New Private Message       Edit/Delete Post 
I dunno; to me, an 80gb drive versus a 90gb drive doesn't seem like a big issue.

It's also hard to believe there isn't some lossless compression going on, since it seems implausible that there's a lot of information in all 6 channels simultaneously all the time.

--jhawk

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Keith Davidson
Film Handler

Posts: 6
From: Vallejo, CA, USA
Registered: Feb 2002


 - posted 05-22-2002 11:46 PM      Profile for Keith Davidson   Email Keith Davidson   Send New Private Message       Edit/Delete Post 
Lossless compression????

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John Hawkinson
Film God

Posts: 2273
From: Cambridge, MA, USA
Registered: Feb 2002


 - posted 05-22-2002 11:48 PM      Profile for John Hawkinson   Email John Hawkinson   Send New Private Message       Edit/Delete Post 
Yes, "lossless compression" -- that's like when you have "00000000000000000000" that gets replaced with an encoding that means "20 zeroes."

--jhawk

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John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000


 - posted 05-23-2002 07:40 AM      Profile for John Pytlak   Author's Homepage   Email John Pytlak   Send New Private Message       Edit/Delete Post 
jhawk said: "I dunno; to me, an 80gb drive versus a 90gb drive doesn't seem like a big issue."

The issue isn't so much one of storage, but of delivery. Today, it still means a few extra DVDs or longer download time.

------------------
John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Entertainment Imaging
Research Labs, Building 69, Room 7525A
Rochester, New York, 14650-1922 USA
Tel: +1 585 477 5325 Cell: +1 585 781 4036 Fax: +1 585 722 7243
e-mail: john.pytlak@kodak.com
Web site: http://www.kodak.com/go/motion

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