Questions tagged [psychoacoustics]

the scientific study of sound perception.

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Why does a chord sound lower although the individual notes went up?

I was dabbling around on my keyboard and noticed a strange effect that I'd like to learn more about. I'm sure this is a well-known effect that probably has a name, but it's a little hard to google ...
balpha's user avatar
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5 votes
1 answer
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What is a listener's typical audible angular resolution?

According to wiki, the human eye has an angular resolution of ~1 arcminute, which means you can distinguish things that are 30 centimetres apart at a distance of 1 kilometre. But your ears have a much ...
Brian THOMAS's user avatar
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3 votes
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My muscle memory is tied to my auditory sense: is there a name for the phenomemon?

When I play a simple melody on my guitar while I strum (to create the sound) I can quite easily determine where to put my frethand finger for the next note. But if I do not create the sound, ...
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-2 votes
2 answers
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What makes descending chords so Sci-Fi? Psychologically [closed]

I have noticed that descending chord progressions seem to feel sci-fi-ish. I'm playing on an acoustic piano, so I mean that it just feels that way because of the composition, not some synth filter. ...
Itsuki Ookami's user avatar
20 votes
7 answers
6k views

Does tuning music to A = 432 Hz versus A = 440 Hz have a measurable effect on listeners?

A brief internet search for "432 vs 440" will bring up a large number of chat discussions and videos discussing whether the tuning makes a real difference. These often seem to boil down to ...
Aaron's user avatar
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To what extent can humans perceive musical notes when they "blend" together? Do composers intentionally blend notes together?

I have a fidget-spinner. When it is still, it looks like this: When it is moving, it looks like this Physically, the prongs are always there. The issue is how my brain processes it. There is a ...
Stan Shunpike's user avatar
3 votes
3 answers
621 views

Harmonic Series Interference

I have been analysing intervals to look at the frequency difference between harmonics. Before my analysis I was under the impression that harmonics for 'consonant' sounding intervals contained more ...
Yoppayoppa's user avatar
1 vote
2 answers
297 views

Why do frequencies that follow a base two logarithmic relationship sound the "same"? [duplicate]

We know that frequencies that follow a base two logarithmic relationship sound as the same tone. This seems to be one of the fundamental principles that underlies music theory. For example, ...
Alex's user avatar
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Is there a reason why "Scale Inversions" don't get discussed?

It only dawned on me recently, but it's quite a fundamental and important feature of scales that they are not mirrored under their own inversion. The intervalic formula for major is: W W H W W W H If ...
Alan's user avatar
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2 votes
2 answers
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Psychology experiment using sounds of alternating notes

Many years ago, I remember hearing of a psychology experiment where participants were asked to listen to two sounds and choose which one was higher or lower. The two sounds were a mix of pure tones. ...
Red Ochre's user avatar
3 votes
2 answers
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Audio latency in live bands

In computer music one usually says that the audio latency of the system should ideally be less than 10ms… On the other hand, as the speed of sound is around 340 m/s in the air it means that whenever ...
Tom's user avatar
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How to synthesize non-pitched sounds? How pitched is a sound in general?

Non pitched sounds are sounds which are not only composed of a fundamental frequency and a distribution of its harmonics. For instance, a sound composed of a sum of a sin wave at 440Hz and a sin at ...
Tom's user avatar
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4 votes
1 answer
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Volume adjustment based on frequency of played note

I'm currently in the process of implementing a basic software synthesizer. I read that some frequencies are perceived as louder, even when they have the same amplitude. This relation is described by ...
schroffl's user avatar
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1 answer
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Flutes in octaves sounds like an organ? Why does this happen?

I have noticed something when I hear 2 flutes in octaves or a flute and piccolo playing the same notated notes, sounding an octave apart. It starts to not sound like a flute. In particular it sounds ...
Caters's user avatar
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2 votes
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The discriminating power of experienced listeners

Consider a choir of n singers who sing the same tune in almost perfect unison. When asked how many singers they do hear, test persons may say: don't know more than 3, 5, 10, ... 3, 4, 5, 6, 7, ... ...
Hans-Peter Stricker's user avatar
1 vote
0 answers
85 views

What does affect the recognition of melodies, rhythms, and chords?

I am looking for studies or meta-studies in which it has been systematically explored how two presented pieces of music (two rhythms, two melodies, two chords) may deviate such that test persons do ...
Hans-Peter Stricker's user avatar
2 votes
4 answers
221 views

Hearing a sequence of tones but not a melody

Normal cognitive sciences (neurosciences and psychology) try to explain what goes on when a person hearing a sequence of beats perceives a rhythm hearing a sequence of tones perceives a melody ...
Hans-Peter Stricker's user avatar
4 votes
2 answers
929 views

Third resonant frequency when two notes are played

I have noticed that when two notes - relatively spaced apart, more than a tone and less than an octave - are played, there is a third frequency that can be heard, and this frequency lies between the ...
notsoscottishscot's user avatar
11 votes
7 answers
5k views

Is there any objective evidence that different keys "feel different" or have different moods?

In an advertisement in YouTube for composer Danny Elfman's master class viewable here the composer says: When somebody starts talking about “this should be in such and such a key because such a key ...
uhoh's user avatar
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1 answer
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What is the difference between tone deafness and amusia?

Trying to explain that the multiple reasons of the inability to sing the right tone (to match pitch) I encountered two other terms: amusia and ton defness. I wonder how far these two terms are ...
Albrecht Hügli's user avatar
5 votes
4 answers
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Why aren't slight imperfections in consonant intervals extremely dissonant?

In theory classes, we're taught that an interval's acoustic consonance is a function of how "simple" it is as a ratio, where "simple" means being a ratio of small integers. So a perfect fifth (3:2) is ...
user1447786's user avatar
3 votes
3 answers
3k views

Amplitude of a crest and trough in a sound wave?

Lets say we have a sound wave, it has a frequency, wavelength, crest, trough, etc. My question is, is the crest of a sound wave equaled to high amplitude/ high volume and if so, does that mean the ...
Seery's user avatar
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3 answers
163 views

A truly perfect unison

Two notes are two notes. At least, it seems that way. When people play two notes at two frequencies, they sound like two notes, even when they're playing in unison. There are a variety of factors ...
user45266's user avatar
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20 votes
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How did the audience guess the pentatonic scale in Bobby McFerrin's presentation?

The video below is entitled "The Power of the Pentatonic Scale". And from the video you'd think that people are inherently tuned to the pentatonic scale. But I was wondering if they're really ...
user avatar
1 vote
4 answers
209 views

The effects of memory on the perception of harmonic function

The opening four bars of Beethoven's fifth symphony are performed in pure octaves, with no other notes to color our perception of what we hear: The notes are G G G E♭, F F F D Taken alone ...
Ben I.'s user avatar
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Psychology Of Key Preferences

I'm a layperson with regards to all things music. I have some experience with the guitar and took a semester long music theory class in high school, but aside from that and some stuff I've heard from ...
Anonofyourbusiness's user avatar
8 votes
4 answers
3k views

What is the main note you hear when hearing a chord?

I've done experiments on my friends and myself, and when listening to chords, the note we end up hearing at the forefront (in other words the note we hum when reproducing the song) is actually the ...
Eyal K.'s user avatar
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1 answer
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Lower interval limits

I've heard about this concept of lower interval limits: An arbitrary limit to how low any given pattern of harmonic intervals can be played before it starts to sound muddy. It generally predicts that ...
user45266's user avatar
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14 votes
4 answers
491 views

Is the sense of resolution of a harmonic cadence psychologically "intrinsic", or is it created through conditioning?

If we took someone who had never heard western music before and played a piece of music with, say, a deceptive cadence and a perfect cadence in it, would they understand it? I.e., would they feel that ...
axelotl's user avatar
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3 votes
2 answers
289 views

What is the smallest difference in note lengths that an average listener can still perceive?

Approximately speaking, what is the smallest temporal difference, expressed in milliseconds, in note lengths (for consecutively sounded notes) that an average, untrained listener can still (semi)...
Kim Fierens's user avatar
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2 votes
2 answers
120 views

Can a pitch be perceived outside the range where it can be heard?

In an example on the wikipedia section on Binaural Beats it says that two sine waves heard as separate signals, one in each ear, which differ by 10 Hz will produce the perception of a 10 Hz difference ...
luser droog's user avatar
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5 votes
4 answers
578 views

Subconscious Plagiarization in Music Production

I have effectively no training in music theory, and have only ever produced a handful of "songs" (unpublished files on my hard drive, resulting from aimless experimentation with production software). ...
user50920's user avatar
2 votes
1 answer
285 views

Does the THX Deep Note Actually Increase in SPL/IL?

This may be more of a question for the Physics StackExchange, but I thought I'd post it here since it is in some sense a musical question. The Wikipedia article on the Deep Note includes the ...
Luke's user avatar
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2 votes
2 answers
356 views

How does the ear pick which note to hear when hearing guitar vibrato

When adding vibrato to a fretted note on an electric guitar, if I do so by bending the note up a semitone, I perceive as the pitch of the original note being modulated. When applying vibrato to a bend ...
Willbill's user avatar
  • 380
0 votes
1 answer
137 views

Time the sound of a pressed piano key take to reach the human ear

I'm working on a DPS software and I was looking at the entire time that my sound sample take from the moment it begin the processing until it reach the ear. I'm reaching something like 71ms, but I've ...
JonOsterman's user avatar
9 votes
2 answers
2k views

What makes some instruments louder than others?

Main question: are longer pianos actually louder? Context: When a musician plays on an acoustic instrument, I expect that the loudness produced corresponds to raw energy (as measured in Joules or ...
dtldarek's user avatar
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1 vote
2 answers
89 views

Number of notes in a tune such that it is metrically sensible

I am computationally generating short tunes (aiming for around 10-15 notes, 0.5 seconds per note) for a psychology experiment. I am wondering exactly how many notes I should have per tune, so that the ...
z8080's user avatar
  • 599
2 votes
3 answers
394 views

Why do lower instruments speak "slower"?

Why do lower instruments, such as double bass and cello in an orchestra or chamber setting, are discerned by the ear slower than higher instruments (violin, flute, etc)? Does it have to do with the ...
Ryan V's user avatar
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4 votes
1 answer
124 views

Identifying a contrasting pair of musical memory trait

Trait-1: My mother, a non-professional music teacher of Indian-classic (North indian) Vocal-music and Nazrul's songs. She is good in her stream (in my opinion), she had a strong interest for indian ...
user avatar
24 votes
6 answers
4k views

Should low frequency players anticipate in orchestra?

"The bigger the instrument, the heavier the strings, the bigger the bow, the bigger the mouthpiece, the more you should anticipate." This concept is expressed occasionally by double bass players, ...
Kari Kääriäinen's user avatar
1 vote
5 answers
411 views

A seriously difficult question about mistakes and intepretation of music

I just came up with a question that I've never seen asked or talked about. It maybe obvious to everyone else in the world but I realized I simply can't answer it except with the non-answer. This is ...
user avatar
3 votes
2 answers
153 views

Question on critical-band and critical-band rate usage

If I take a note with frequency 101 Hz (roughly G2), then the critical bandwidth (CB) will be made up of 51 Hz on the low end and 151 Hz on the high end. This means that if I play a D3 with frequency ...
Ricardo J Rademacher's user avatar
5 votes
2 answers
4k views

Why do low chords sound muddier than high chords?

In most styles of music low notes seemed to be spaced more sparsely in pitch than high ones ie. a piano piece might have octaves in the left hand and dense melody in the right hand. This spacing is ...
Orinocco's user avatar
2 votes
2 answers
843 views

What contributes to the roughness of a sound?

I know this is a little subjective in regards to what roughness is. So, imagine the sound of a sine wave, you could say this is the purest, or cleanest sound there is. Now contrast that to a ...
user108262's user avatar
17 votes
3 answers
2k views

What's the shortest that a note can be and still have a recognisable pitch?

While talking about this question: What does it mean to play a note for half a second? I got to thinking - how short can a note actually be for us to perceive its fundamental pitch? Obviously real ...
Нет войне's user avatar
6 votes
2 answers
801 views

Is it learned or innate our reaction of happiness or sadness in music? [duplicate]

Are we born with the response telling us that the chord tones or melody has a sad or happy quality? Or is it learned by our culture? The minor scale and chords have a serious or sadness to them ...
r lo's user avatar
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3 votes
3 answers
2k views

Does good intonation alone really make you "louder"? If yes, why?

I have multiple times heard this claim, from very different sources. There certainly seems to be some correlation between intonation and "loudness", in the sense that ensembles with great harmony ...
leftaroundabout's user avatar
17 votes
8 answers
2k views

What gives a piece of music its personality and feeling? [closed]

What makes a piece of music sound angry, dark, sad, happy, or otherwise? "La Chute" by Yann Tiersen sounds so angry to me and "A Dark Knight" from "The Dark Knight" movie sounds so dark and ...
Chiron's user avatar
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