[LAU] [Ardour] Offline export with OSC

Shane Richards shanerich at email.com
Wed May 11 23:22:03 UTC 2011


Fons Adriaensen escribio:
>If you export to an integer file format anything above 0dB will
>be clipped.
>
>OTOH, if the export includes resampling then the peaks in the
>exported file will be higher than those at the output of the
>master strip. The difference will be small in most cases, but
>in theory it is unbounded. Better keep a dB or so of headroom.
My 2 cents:


Keep -0.2db headroom minimum, or for the lazy/cautious: a peak limiter set at -0.2db on the master buss should do the trick. (I'm not a good engineer, so I fall into the second category).


-0.2db seems to "hold" it's value better in most software that resamples. Anything higher will almost always end up clipped or limited, in an uncontrolled fashion - as Fons pointed out here, some peaks will invariably be sampled on either side and the software will just pin everything between the samples at 0db. Yuck. 


I spent an afternoon last year comparing -0.2/-0.1/0.0db max, and I found this to be the case almost every time. Never had a stray peak at -0.2db




Shane Richards
Producer, Composer, Multi-instrumentalist
Josh Music, Cali, Colombia
www.josh.com.co
www.shanerichardsmusic.com


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