SynthMaker

Save Wave duplicate sample

Archive · 2011 3 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

DigitalWhiteByte ·

I ran into this strange thing, I created a wav file with the sequence of samples ranging in value from 00 to FF (in hexadecimal values​​, those written in binary file) I loaded this file wav and I just resaved from synthmaker, after the value 7F, the samples are repeated in pairs 81 81 83 83. should be 80 81 82 83 ect. There is a problem of approximation in the primitive SAVE WAVE? It also seems that the 8-bit WAV files are not loaded correctly. If someone tells me this thing send a bug report.

DigitalWhiteByte ·

After some tests are now more puzzled than before .... Surely there is a problem of approximation of float numbers, but I could not tell if it is in the primitive "WaveFile" or primitive "SaveWave". This perplexes me.

trogluddite ·

Wonder if t related to the use of banker's rounding? i.e. rndint (x-0.5); would be expected to 'always round 'x' downwards, except that alternate integer values of 'x' will then round to the same output value. Though that doesn't explain why values <7F should still be correct.

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