Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-08-01 00:19:27 +02:00
Code Issues Releases Wiki Activity

Oops, square bracket was incorrect because problem does not occur for 8.2Hz.

Browse Source
This commit is contained in:
v.audacity 2013-05-30 23:34:49 +00:00
parent c39f9a4b53
commit 91ce40d415
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/PitchName.cpp
View File

@ -32,7 +32,7 @@ double FreqToMIDInoteNumber(double freq)
{ {
// Make the calculation relative to A440 (A4), note number 69. // Make the calculation relative to A440 (A4), note number 69.
double dCalc = 69.0 + (12.0 * (log(freq / 440.0) / log(2.0))); double dCalc = 69.0 + (12.0 * (log(freq / 440.0) / log(2.0)));
//vvv For freq values in the range (0.0, ~8.2], that calculation //vvv For freq values in the range (0.0, ~8.2), that calculation
// produces negative dCalc, and as close in frequency as they are, // produces negative dCalc, and as close in frequency as they are,
// their modulo 12 results are different. // their modulo 12 results are different.
// Also, not clear that any of those frequencies is a "pitch", // Also, not clear that any of those frequencies is a "pitch",