User:Contribution/Chanopif Project: Difference between revisions
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To calculate frequencies, the parser uses this formula: | To calculate frequencies, the parser uses this formula: | ||
frequency = 440 * 2^((pitch_decimal - 69) | frequency = 440 * 2^(((pitch_decimal-69)*2^25+fractional_pitch_decimal)/(12*2^25)) | ||
* '''pitch_decimal''' is the 7-bit pitch portion, represented in hexadecimal within Chanopif, and converted internally to a value between 0 and 127. | * '''pitch_decimal''' is the 7-bit pitch portion, represented in hexadecimal within Chanopif, and converted internally to a value between 0 and 127. | ||