Talk:Musical acoustics

Cognition

What differentiates Musical acoustics from Music Cognition? —The preceding unsigned comment was added by 71.229.186.182 (talk • contribs) 19:19, 28 July 2007 (UTC)

Acoustics doesn't necessarily deal with the mind or psychology, etc (though it sometimes does). Musical Cognition would naturally use acoustics as a working tool, but they are really very different fields. - Rainwarrior 06:07, 29 July 2007 (UTC)

Consonance/dissonance and beat frequency

The article states that a 3/2 ratio (perfect fifth) is consonant, using the example frequencies of 300 and 200 Hz. In the same section, it states both that the beat frequency can be calculated as the difference between the two frequencies and that a higher beat frequency leads to a higher probability that the combination is dissonant. It uses the same example along with another one with a 1 Hz difference. This part of the article is unclear and should be cleaned up by someone with better knowledge than I have. But, at the very least, the article should not claim that a perfect fifth is more dissonant than a chord composed of two notes only 1 Hz apart. Ari (talk) 22:55, 1 July 2008 (UTC)

Does any one know (of) a formula for the frequency of timpani?

Is there a formula giving the frequency of a kettledrum in terms of the tension of its drumhead, its superficial density and its radius, analogous to the well-known formula ${{1}/{2L}}{\sqrt {{T}/{\mu }}}$ that gives the frequency of a string in terms of its tension, linear density and length? I realize that, contrary to the case of a string, this would have to be a formula specific to the kettledrum, not a property of any circular membrane, since for a two-dimensional membrane the spectrum can be quite complicated and not even give a definite frequency (e.g. the case of the kick drum). Does the book by John Backus "The Acoustical Foundations of Music" have anything about membranophones? Contact Basemetal here 07:55, 23 February 2014 (UTC)

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