Questions tagged [frequency]

Frequency is a property of any repeating event, and in music, the phenomenon of pitch is qualitatively assessed via a sound wave's frequency, or number of vibrations per second. Higher sounds have higher frequency, and lower-pitched sounds have lower frequencies.

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5 answers
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Why do "in tune" bass lines sometimes seem sharp to me?

I've noticed that certain bass and baritone register sounds often seem sharp to me, even when they are ostensibly in tune- the notes are checked with a tuner or generated by a digital synth that won't ...
17 votes
10 answers
6k views

Why do two identical notes never cancel each other out?

If we consider a note as a sine function with a certain frequency (ignoring timbre), if you start playing another sine function, even with the same frequency but starting at a different offset, ...
2 votes
3 answers
375 views

is there an instrument that plays all notes for the same volume profile (over time) regardless of pitch

So you know how when playing a stringed instrument a low note will always play longer than a high note. Here is a good question about it - When we press a piano key, why does a high pitch note not run ...
4 votes
1 answer
2k views

Why do these two guitar notes create a warble sound?

On a standard tuned guitar, if you play the 12th fret on the top E string and the 16th fret of the B string at the same time, you get a rather impressive warbling sound. It seems similar to if you "...
2 votes
1 answer
103 views

How to Identify Sheet Music Type, Era, or Origin?

Asking for some help here…maybe someone will recognize what kind of sheet music this is. I’m attempting to recreate the framed sheet music hung on the wall in the photos. This is my father sometime in ...
1 vote
1 answer
102 views

Help understanding frequency ratios and string length

This music book I'm reading taught me about frequency ratios as the basis for scales, but it doesn't explain it well enough for me, so I'm trying to learn more about it on my own. I want to know how ...
2 votes
4 answers
163 views

If a whole tone is a 9:8 ratio, and a major third is a 5:4 ratio, and a major third is two whole tones, then why (9/8)^2 != 5/4?

If a whole tone is a 9:8 ratio between frequencies, and a major third is a 5:4 ratio between frequencies, and a major third is two whole tones, then to replicate two whole tones, wouldn't one just ...
22 votes
4 answers
4k views

What is an All-Pass Filter? What are its uses?

Wikipedia says: An all-pass filter is a signal processing filter that passes all frequencies equally in gain, but changes the phase relationship among various frequencies. What does changes the ...
0 votes
1 answer
61 views

Why does major 2nd have more harmonics than major 3rd?

I was watching this video about Just-intonation tuning system. In this video he is explaining how the harmonics work. He is explaining that the first harmonic is created by dividing a string into half,...
13 votes
2 answers
2k views

Does the lip really vibrate at the same frequency of a brass instrument?

The resonance of woodwind brass instruments can be modeled after a closed cylindrical pipe and calculated by the equation f = (nv)/(4L) where n denotes the number of harmonics, v the velocity of sound ...
0 votes
2 answers
211 views

How to calculate the extra semitone in one circle of fifths

This is an extension to my previous question when I tried to do the math to prove the following statement: going up 12 perfect fifths takes one up 7 octaves plus one-fourth of a semitone extra Going ...
5 votes
3 answers
986 views

Why are the frequency ratios of notes in the Pythagorean scales 9/8 and 256/243?

In Pythagorean tuning, for every 7th semitones the frequency would increase by a factor of 3/2 (to get that harmonious perfect fifth). If the frequency of C4 is set to 256Hz, the frequency of G4 can ...
2 votes
0 answers
36 views

Effect of octave on consonance [duplicate]

Was playing around on a keyboard (Casio WK-245, default St.GrPno tone) and I'm noticing that the same chord moved up an octave feels quite different. When I play Cmaj7(no inversions: C,E,G,B in that ...
2 votes
0 answers
41 views

Producing single frequencies in Bitwig [closed]

How can single frequencies produced easily in bitwig? Ableton's operator for example has an option to input a single frequency which you can easily change yourself, and when you press every note in ...
2 votes
1 answer
68 views

Current consensus on consonant frequencies

I just read Physics and Music: The Science of Musical Sound Book by Donald H. White and Harvey Elliott White and the book explains that consonant frequencies — those sounding "good" when ...
5 votes
1 answer
291 views

what is a beat histogram and how is it different from spectrograms?

I am learning about audio signals for analytical purposes. I came across beat histograms and spectrograms. I understand that a spectrogram is all about frequency and time but I am confused about beat ...
2 votes
1 answer
73 views

Visualization of Tones being played together

Recently I found this video showing the "visual representation" of sound waves. I was trying to figure out how these shapes were being generated. I am interested in the parts where there is ...
8 votes
1 answer
2k views

What is the "Jazz Bass Mid Scoop"?

I've heard of the "Jazz Bass Mid Scoop", what exactly is this? Some people say that the "Scoop is generally 500-600 Hz", others say "The frequencies that cancel are different ...
0 votes
1 answer
62 views

At what frequencies do you usually high/low pass male vocal doubles?

I'm speaking in general but if it depends on the vocal how can I find out by ear?
5 votes
3 answers
1k views

Difference between drum sounds and melody sounds

I would like to learn more about the kind of sounds used in music that can make a scale discernable. Regular drums for instance do a bad job, even if they can be tuned. I've no idea if that's true ...
-3 votes
1 answer
96 views

How to flatten frequencies like that

What I just didn’t work out. No multiband compressor will work that way. It's only a clipper or distortion that can do that.
8 votes
2 answers
3k views

What is the significance of Pythagorean comma (as in why is there a need to end in the same place)?

The following two links provide a brief introduction to Pythagorean comma: Pythagorean Comma - Indiana University The "Pythagorean Comma" - Jody Nagel The wikipedia article on this subject is also ...
4 votes
2 answers
245 views

How do polyphonic pitch-shifting algorithms handle doubled/tripled octaves?

I do not in the first place how polyphonic pitch shifters work. What happens internally when one that’s adding octaves (or simply, octaves are being played) is fed into another? Does it treat the ...
0 votes
2 answers
115 views

Similarities between the frequencies 130.81 and 261.63 Hz [duplicate]

I have been learning to play guitar, and I wanted to look at it from a more physical point of view, because that is something I like to do. Maybe a similar question has been asked here, but I could ...
2 votes
4 answers
124 views

Under what arithmetic conditions do collections of vibrations sound "nice"

I can't recall where but I had read somewhere (different places and different times) the following two pieces of advice: when playing an interval of two notes one after the other at A-hertz and B-...
18 votes
8 answers
6k views

Tuning a tuning fork?

I just purchased a new 440 Hz tuning fork. But several different computer, iPad and iPhone tuners say it's almost half a percent sharp (around 442) of Concert A. Is there any way to adjust the ...
5 votes
5 answers
147 views

Balancing audio frequency bands and instrument volumes for consistent audio quality in highly variable environments, software, and hardware?

I use GarageBand to write music but in theory this question could apply to any composition and recording workflow. A problem I often run into is that different audio players seem to have their own &...
2 votes
2 answers
178 views

Train listening to notes coming out of my trumpet

I'm with an old trumpet that sold me in Si Bemol(Bb), I'm still learning, and my biggest difficulty in music is being able to be constant in the sounds that come out of me, to reproduce them when I ...
3 votes
1 answer
70 views

Different frequency response despite having similar waveforms

I'm just comparing two pedals that generated square waves by using Audacity. The pedals are Homenoise Effects Serpent Cult silicon fuzz and Metasonix F1 distortion pedal. First is the waveforms and ...
0 votes
5 answers
3k views

What frequency ranges are most instruments in

I made a spectrum analyzer, but I'm struggling to find a range where I can cover the most instruments, but also still make the bars visible. I tried the range 20Hz - 800 Hz but seems like some songs I ...
1 vote
2 answers
165 views

What determines the tone coming from a pickup?

I hear a lot of hocus pocus in music. One such thing called "Premium" pickups are heralded as some must-have for a good sounding guitar. To me, it seems like pickups are just electromagnets ...
0 votes
1 answer
377 views

frequency components of C major scale

I was trying to replicate the notes of the C major scale on a circuit simulator and i found online that there are website that only give one frequency for a certain note in that octave, so i was ...
0 votes
1 answer
118 views

What is meant by a 'simple' frequency ratio?

For the most part, I understand the application of simple ratios when determining consonance/dissonance, but I still don’t really know what makes one ratio more ‘simple’ than another. What really ...
3 votes
8 answers
936 views

Is the dominant tone of a major scale halfway in frequency between the tonic and octave?

Is the dominant tone of a major scale halfway in frequency between the tonic and octave? If so is this why it functions as it does? ... because it's sounds less dissonant to the tonic?
12 votes
5 answers
2k views

Is it mathematically possible to create an equal temperament which matches just interval ratios?

I've coded a Python app which lets us have any number of semitones in an octave in order to experiment with microtonal music. I would like to ask if there's a possibility to create such an equal ...
6 votes
4 answers
3k views

What is the math behind how keys/holes on woodwind instruments affect the pitch?

To make this question more specific, I'll provide an example of what I mean. Let's say you have an instrument that's just a tube you blow into, and it has one hole exactly halfway down the tube (I ...
0 votes
3 answers
141 views

Why do we use geometric Progression?

It seems what's important in the progression of the frequencies in notes is...the difference in frequency of any two notes is not the same, but the ratio between any two notes of the same distance is ...
0 votes
1 answer
275 views

Why were the frequencies for notes chosen?

I understand that the first note of each octave is twice the frequency of the first note from the octave before, but how are the frequencies for each note chosen subsequently after that. So far, I’ve ...
1 vote
3 answers
135 views

Why am I unable to hear subtle differences in timbre?

An E an F, any octave, sound different; I'm not deaf to pitch. This is about timbral quality: I can hear the difference between a plucked string and an eBow'd string, but I can't hear pick vs finger. ...
2 votes
0 answers
148 views

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, ... ...
14 votes
6 answers
4k views

Why don't tuning forks produce overtones?

I want to know how a tuning fork can produce a pure tone. I do not understand the process because I know, although not sure, the presence of air inside an instrument introduces the harmonics of the ...
32 votes
9 answers
13k views

Why are C♯ and D♭ different frequencies?

I am a music enthusiast, and I was recently reading What is the difference between equivalent Flat and Sharp keys as far as musical notation? Are there any reasons to prefer one over the other? This ...
9 votes
1 answer
897 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 (...
4 votes
2 answers
423 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 ...
2 votes
2 answers
165 views

How to calculate the "middle" tone between two given frequencies

For one octave, we double the frequency, so 400Hz to 800Hz is one octave higher. To get the tone that is perceived to be in the middle of those two frequencies is however not 600Hz but 400*1.059463⁶=~...
2 votes
1 answer
376 views

How did musicians know what were the notes frequencies if they had no measuring tools? [duplicate]

Today we have devices that with the aid of a microphone can detect the frequency of a note. We can therefore calibrate all instruments and voices to a same pattern. But, how did people know how the ...
3 votes
2 answers
157 views

Does the series of octaves (1, 2, 4, 8) have a name?

We call any series of frequencies which are multiples of 1,2,3,4,5... etc a harmonic series, and they define the notes (for example) C0-C1-G1-C2-E2-G2-Bb2-... Is there a name for the series of ...
7 votes
5 answers
7k views

Technique: How to produce even sound of an octave in Bamboo flute [Bansuri]?

I've been practicing to play Bansuri for 3 months. I practice playing single note for longer duration, and Alankars [patterns]. Starting note Sa [or C in Western notation] is played by closing first ...
9 votes
4 answers
2k views

How do I use an equalizer?

So mixing... (audio engineering). When using an equalizer on trackouts/instrument tracks, the general approach is cut out the "bad frequencies" and increase the "good frequencies" to accentuate the ...
10 votes
5 answers
5k views

Is there a relationship between prime numbers and music?

Is there a relationship between prime numbers and the series of overtones and their frequencies? I've found links to Euler's research about math and about music, and I got goose bumps when I found ...