Scale design software: Difference between revisions
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=== Reference pitch === | === Reference pitch === | ||
The exact pitch frequency (typically in [[Wikipedia:Hertz|Hz]]) for the reference note, | The exact pitch frequency (typically in [[Wikipedia:Hertz|Hz]]) for the reference note. Based on that pitch frequency, all other notes in the scale or tuning system will be assigned a frequency, according to their intervallic relationship to the reference note. Also called the pitch reference, or tuning center, and sometimes the [[Wikipedia:Concert pitch|concert pitch]] (for an ensemble). | ||
The reference note and pitch are sometimes casually specified with a combination named note, MIDI number, and pitch frequency expression, e.g. A4-440Hz-MIDI.69, meaning 440 Hz exactly for the A above middle C, because A4=440Hz is the international standard. For cases other than A4=440Hz, in a tuning specifier like C4-261Hz-MIDI.60 for example, the "261" is typically an approximation. It implies a more accurate number should be specified in the tuning file itself, with 2-4 digits after a decimal point (e.g. 261.6256). | The reference note and pitch are sometimes casually specified with a combination named note, MIDI number, and pitch frequency expression, e.g. A4-440Hz-MIDI.69, meaning 440 Hz exactly for the A above middle C, because A4=440Hz is the international standard. For cases other than A4=440Hz, in a tuning specifier like C4-261Hz-MIDI.60 for example, the "261" is typically an approximation. It implies a more accurate number should be specified in the tuning file itself, with 2-4 digits after a decimal point (e.g. 261.6256). |