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2009 Nov 11
1
Floor1 doubts...
...read from this mailing list ( http://lists.xiph.org/pipermail/vorbis-dev/2009-September/020019.html) that the usage of FLOOR1_fromdB_LOOKUP table is to convert Floor1 values from a dB scale to a linear scale. In a dB scale, given a reference value, the other dB values are obtained from it, normally dB_value = 10log(p1/p0), where p0 is the reference value. Supposing p0 is a fixed value, both 10log(p1/p0) => p1/p0 and 10log(p1/p0) => p1 are dB to linear conversions, so, my doubt is: which one of the conversions is done, p1/p0 or p1? Besides, given that the maximum value of FLOOR_fromdB_LOOKUP tab...