[ardour-users] file lengths

[Peter Lutek]

Paul Davis wrote:

>On Thu, 2006-01-19 at 16:55 -0500, Peter Lutek wrote:
>  
>
>>since all files are converted to wav or bwf on import, it is not 
>>possible to import (or record, for that matter) files which would result 
>>(i.e. after splitting channels) in filesizes greater than ~4Gb, right? 
>>i'm a little confused about that limit.... some sites say 2Gb and some 
>>say 4Gb.
>>
>>anyway, there is a constraint on the length of any single chunk of audio 
>>due to the wav/bwf format, right? would someone clarify this in 
>>real-world numbers, please? i'm looking at recording live events which 
>>run to a few hours, in 96k, float.
>>    
>>
>
>RIFF/WAV has an internal length field that holds (2^31) bytes as a
>maximum value.
>
>your filesystem can probably get to a 64 bit length. this doesn't solve
>the WAV internal length problem.
>
>you can't even get 1 hour from WAV using 32 bit sample format @ 96kHz.
>
>--p
>
>  
>
just to be clear.....BWF is based on RIFF, so has the same limits, 
right? i.e. individual source audio files in ardour cannot currently be 
any longer than what you've outlined above.

-p