On 22.10.2013 16:18, Łukasz Stelmach wrote:
The way I've been taught full-scale is something absolute. For example you've got audio signal with 16 bits per sample and you can't have anything louder than 0 dBFS. You can't have a sample above 65535.
Yes, although with more frequently used normalized floating point representation 0 dBFS is natural +-1.0 level which of course is not anywhere near value range limits. For DSD, 0 dBFS is defined to be 50% modulation depth which you can of course exceed (SACD specifies max allowed +3.1 dBFS). Note that 50% modulation depth of course is fulfilled by number of different bit patterns!
In general the reference point should be something absolute. In this case the reference point was "all installed packages".
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