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Old 05-24-2011, 01:42 PM
Paul Maunder Paul Maunder is offline
Join Date: Jul 2003
Location: Manchester, England
Posts: 182
Default Convert after bounce vs during

I have a question relating to exactly how these two options work. I have always chosen the Convert After Bounce option in the belief that, whilst it may take slightly longer than convert during bounce, it allows for more accurate automation. However, a colleague of mine suggested that Convert After Bounce temporarily writes the bounced files to RAM, until the bounce is finished, at which point it converts it and writes it to the hard disk. His suggestion was that this process may adversely affect automation accuracy on larger sessions, since it uses RAM which may otherwise be used for automation. Personally, I don't believe that pro tools uses RAM in this way when 'Convert After Bounce' is chosen. If I set a stereo session bouncing down to an interleaved file, I can see two temporary WAV files which appear on the destination hard disk on the mac. The size of each of these is exactly half of the final interleaved file size, which suggests to me that pro tools actually writes the temporary files to disk prior to conversion, and not to RAM.

Can anyone clear up this matter?
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Old 05-24-2011, 04:08 PM
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Top Jimmy Top Jimmy is offline
Join Date: Oct 2005
Location: Spokane, WA
Posts: 5,218
Default Re: Convert after bounce vs during

Yes, the temp files are written to disk, not RAM.
James Cadwallader

Hackintosh - Gigabyte Z77X-UP5TH, Intel Core i7-3770K, 32GB 1600Mhz DDR3, 2x SATA 6Gb/s 240GB SSD, 3x SATA 6Gb/s 1TB HDD, 1x Glyph 2TB USB3 HDD, Mojave 10.14.4.

Pro Tools HD Native 2020.3, Focusrite Red 8Pre, Mbox 3 (Mac)
Pro Tools 11.3.2, Mbox2 (Win 7)

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Old 05-25-2011, 06:03 AM
daeron80 daeron80 is offline
Join Date: Apr 2005
Location: Orlando, Florida, USA
Posts: 3,660
Default Re: Convert after bounce vs during

I think your assumption is right, Paul. "Convert after" seems to require slightly fewer system resources during bounce. It was very helpful back when computers had about the same power as a first generation iPod. Not sure it makes any difference on a 2 GHz+ multi-core.
David J. Finnamore

Nyquist was right.

PT 2020.3 Ultimate | Omni | macOS Sierra
PT 2020.3 | Saffire Pro 40 | Win10
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