Linked Questions

0
votes
1answer
309 views

What is the "simple frequency ratio" theory? [duplicate]

What is the "simple frequency ratio" theory of consonance and dissonance? Why is it called a theory?
2
votes
1answer
188 views

Calculating consonance/dissonance (i.e. need for resolution) from list of frequencies [duplicate]

Is anyone aware of any formulas that can be used to calculate consonance or dissonance from a list of frequencies (in hertz)? I realize consonance/dissonance is a somewhat nebulous concept. What I ...
0
votes
1answer
97 views

Can you measure consonance of intervals played by sine waves? [duplicate]

Is there a way to measure consonance of intervals that are played by pure sine waves? I am looking for a list that shows the order of consonance between intervals of sine waves with no overtones. Also,...
1
vote
0answers
41 views

Is there a way to define dissonance such that it can be quantifiable? [duplicate]

We can perceive dissonance between notes, but are is there a mathematical way to measure the relationship between two notes as more or less dissonant? Context: I'm doing an experiment with sets of ...
127
votes
11answers
67k views

Why are there twelve notes in an octave?

I know that one scale consists of 12 half-tones. But my question is still: Why? Why not 13 or 11?
26
votes
4answers
2k views

Are there any great open questions in music theory/psychoacoustics?

In many sciences there a are a number open questions that are well known in the field, and for which a solid answer would gain the answerer much Prestige. For example, maths has many open questions, ...
16
votes
3answers
19k views

What is a chord in terms of frequencies?

I'm trying to understand what chords are in terms of frequency. So I get that each note represents a frequency range. For instance, an "A" note in the third octave (A2) is ~110hz. An A major chord (...
9
votes
4answers
15k views

What is the list of intervals in order of dissonance

I understand that some intervals are considered dissonant (minor second) and some intervals and consonant (perfect fourths). However whenever I see intervals listed, they are always listed from ...
4
votes
6answers
6k views

How to create harmonic dissonance/tension?

If I'm playing in a major scale, would a harmonic dissonance be caused by going to the minor side of the chords (ii, iii, vi) or would it be created from going outside my scale? And if it's going ...
12
votes
4answers
1k views

Dissonance across different octaves

When I play to keys that form a dissonant interval (for example a major second using C and D) in the lower octave, I perceive the dissonance to be very strong. But, when I move up to higher C's and D'...
11
votes
4answers
2k views

Proper understanding of dissonance

I have recently had a big eye opener with one of my guitar pieces in how it uses dissonance in a musical way to make interesting music. I have always thought that for music to be dissonant is for it ...
7
votes
6answers
6k views

Why do some intervals sound better than others?

Why do some intervals sound so good (e.g. a perfect fifth: seven semitones), whereas others sound so awful and diabolical (e.g. an augmented fourth: six semitones)? Is this phenomenon dependant on ...
9
votes
4answers
633 views

“Tritone” intervals in n-tone equal temperament

In 12-tone equal temperament, the tritone interval is made of three whole tones (six semitones) and is considered, if I am not mistaken totally, as the most dissonant interval. I have two questions: ...
9
votes
1answer
799 views

Dissonance: why doesn't the roughness curve have a dip for complex intervals like 7/6?

Roughness is explained well in Is there a way to measure the consonance or dissonance of a chord? In particular the Plomp-Levelt curve is derived, which has various dips showing how simple intervals (...
1
vote
3answers
512 views

Using intervals to build chords

Chords in western music are said to be built on intervals of 3rds, such as the root, third and the fifth creating a major chord. The reason this chord sounds harmonically pleasant is due to the wave ...

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