Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [acoustics]

The physical science of sound production, behavior, and mechanics.

1
vote
1answer
38 views

Isolation of acoustic body size with respect to volume and sustain?

Let's say we have two identical acoustic guitars with the only difference being the body size. How will the body size effect sound volume when considering a string plucked with the exact same amount ...
8
votes
4answers
718 views

What causes overtones at harmonic frequencies in an instrument? [duplicate]

I know when a string is plucked on a violin you can hear many overtones at harmonic frequencies, but where do these overtones come from? Does an ideal string vibrating in a vacuum vibrate at the ...
2
votes
3answers
65 views

Alternatives to acoustic foam

I get health reactions from acoustic foam. I tried different brands. It's unfortunate. Still, i would like to treat the acoustics in my little home studio as good as possible. What could i use as ...
7
votes
1answer
118 views

Why can a vuvuzela only play one pitch, while a non-valved bugle can play many?

According to our collective nightmares from the 2010 World Cup Wikipedia, the vuvuzela is a monotone instrument; it famously plays (roughly) the B♭ below middle C. Why is the vuvuzela restricted to ...
1
vote
0answers
72 views

How much louder than an upright is a small grand piano?

I now have a kawai upright (height 135cm) and I'd like to upgrade to a small grand piano (around 170 cm I think). I'm wondering how much louder it will be. I don't really need a louder piano, my ...
3
votes
4answers
809 views

Does shape of waveform affect sonic perception?

Title says it all - does the shape of a wave have any effect on how we perceive it as a sound?
11
votes
2answers
1k views

Trumpet Peculiar Frequency spectrum

So I made this frequency spectrum analyzer and tested various instruments playing a certain note. There doesn't seem to be any problem with the 'equalizer'. However, I found the spectrum for trumpet ...
1
vote
1answer
190 views

Are the Piattino Sound Proofing Castor Cup really efficient and are there other equivalent solutions?

I am improving my piano practice room and I found recently the Piattino Sound Proofing Castor Cup. These work, as far as I understand, by absorbing vibration from the piano to the structures around ...
19
votes
5answers
7k views

Can eggboxes really be used to treat a room? If so, how?

I'm thinking about acoustically treating my room so I can listen to my mixes in higher clarity. I'm trying to think of how I can do it cheaply (even though you get what you pay for, I suppose), and my ...
8
votes
2answers
712 views

Bass guitar: Fret distance formula

I just set off a new trip to the wonderful world of fretted instruments. I bought myself an electric bass guitar (cort c4h). My question to you is what is the formula of the fret distances along the ...
2
votes
1answer
76 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 ...
9
votes
4answers
3k views

If I change the pitch of a C major scale can I get to any major key?

Say I recorded an audio of C major: do re mi fa so la si do. Now imagine I used some software to change the pitch higher (I think Audacity has a feature like this). I was wondering: if I change the ...
3
votes
2answers
83 views

Room Acoustics for Singing

I'm working to improve my singing ability at a very basic level. During the week I have access to three different rooms 1) with a lot of echo (bare walls, ceiling and floor) 2) One that has a little ...
7
votes
5answers
1k views

How do multiple sound waves interact physically to create music?

What happens on a physical level when many notes/sound waves interact with each other at the same time? (For example, a big chord on the piano with all of its harmonics/overtones clashing together.) ...
5
votes
2answers
348 views

Is there actually an “undertone series”?

We know there is an overtone series, or harmonic series, i.e. if a note A of 440 Hz is being played on a musical instrument, there will also be different amplitudes of sound of 880 Hz (440 Hz * 2), ...
1
vote
1answer
716 views

Loudness of instruments - musician's viewpoint [closed]

I have been wondering how loud seem instruments to musicians that play them. Let's say that you put an instrument in a room with average acoustics and measure loudness that musician hears and loudness ...
3
votes
0answers
54 views

Is there some means of expanding the range of a capped reed instrument?

Given the pitch limits of capped reed instruments, I wondered whether some means of expanding the range of such existed. Perhaps with some sort of embouchure mimicking device surrounding the reed, but ...
4
votes
2answers
5k views

Sound proofing a wall with rockwool. What's the best density?

I share a wall with a neighbour and I am looking for ways to isolate it a bit more. I read that rockwool does a good job. It might be important to mention that practice instrument is a piano and ...
2
votes
1answer
67 views

Why are pedal notes in the lower, not in the higher, register?

At church today I listened to an organ piece that had a constant pedal note from the beginning to the end of the piece. The strange (and very unpleasant) thing about this pedal note was, that it was ...
7
votes
2answers
493 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 ...
10
votes
3answers
3k views

How did baroque music sound at the time?

Historical context Let's for example consider Toccata and Fugue in D minor, BWV 565 (click here to enjoy). It was composed at the very beginning of the 18th century in Germany. At that time: ...
21
votes
6answers
7k views

Does piano soundproofing require floating walls? Getting conflicting answers from professionals

I have just placed a new hybrid piano in a small 9x13 room in my apartment. I want to use the room for playing and for singing. Costly steps have already been taken, and, much to our dismay, we ...
7
votes
2answers
2k views

How do uncovered tone holes in middle of a flute work?

As a (mediocre) guitarist just starting to dabble with other instruments, the first several fingering diagrams for flutes, saxophones, etc make good intuitive sense to me because you're effectively ...
-1
votes
1answer
104 views

Why do farther notes resonate more than closer notes?

Source: 30:05 juncture. Prof. Steven Cassedy. The following is based on YouTube's transcript that lacks formatting, and whose errors I corrected. Sorry for the strange numbering; I originally deleted ...
1
vote
3answers
236 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 ...
3
votes
1answer
182 views

How does the pitch of the reed relate to the resonant frequency of the pipe in a woodwind instrument?

I'm a wind player who is interested in constructing musical instruments, and I've been studying acoustic physics and instrument design on my own time. I haven't been able to find the answer, and (...
1
vote
0answers
296 views

How can I graph sound waves of chords? [closed]

I'm working on a project for a physics class, and I need a visual representation of what piano chords look like in terms of frequency. I've looked all over for a website or app that would allow me to ...
-3
votes
1answer
601 views

My guitar instrument produced a perfect sine wave?

My homemade guitar was producing perfect sine waves, most guitar waves arent perfectly sine. Anyone have any suggestions for why? Physics project))
7
votes
2answers
2k views

Studio monitors: Should we break them in and why?

Having just acquired a spankin' new pair of monitors for my home studio, I'm currently in the process of "breaking them in". Being an inquisitive mind, I started wondering: what is the purpose of ...
5
votes
1answer
218 views

How to lower the tone of a natural horn?

I've received as gift a hollow natural cow horn, similar to those anciently used for signaling before metalworking was discovered. I'd like to know if, given it simplicity (natural carved material ...
5
votes
4answers
602 views

Why is a Perfect Fourth Considered Consonant? [duplicate]

I've been doing some research into the harmonic series lately. What I've come to understand is that the lower the ratio between the harmonics, the more pleasant/consonant the interval is. So, an ...
0
votes
1answer
571 views

Why do Talkbox and Autotune effects sound similar?

Talkbox and Autotune are completely different effects. In the former sound of an instrument is modulated through a hose in the singer's mouth, in the latter the frequencies of the singer's voice are ...
4
votes
2answers
76 views

Can a soundboard, if designed with the right shape and materials, be as accurate as a series of tubes for filtering/amplifying desired frequencies?

By cascading tube resonators of different cross section areas, it is possible to have a lot of control over the filtering of the sound, e.g. vowels in human voice can be approximated by cascading only ...
11
votes
10answers
4k views

Can music time signatures really be irrational?

In this video around the 5 minute mark, the presenter mentions that "irrational units of time cannot exist because of Planck's constant", and therefore music time signatures like 2:√2 cannot be ...
22
votes
9answers
4k views

Why do listeners hear the lowest note of a chord most distinctly?

Source: Prof. Bruce Taggart (PhD in Music Theory, U. of Pennsylvania), 58 s of his Coursera video. The lowest note of a chord is the most important one. It's the one that the listener hears most ...
4
votes
3answers
2k views

Any bed sheets thick enough to be used as sound proofing?

I am curious of anyone has any alternative ideas to standard/typical sound proofing. Currently I do not feel like constructing anything elaborate and I really can't do to much were I live. Noise isn't ...
4
votes
1answer
154 views

Is this theoretical “reed” acoustically possible?

I suppose this isn't exactly a reed, but it seems like a method of producing a sound that I've never seen on any instrument, at least on any commonly known instrument. This "reed" consists of two ...
1
vote
2answers
97 views

Pickups with Acoustic Instruments

I've been told when playing live not to mic an acoustic instrument because of the feedback you can get, and that using pickups would be a better way to amplify the sound of an acoustic instrument. So ...
3
votes
1answer
67 views

How do I curtail the reverberation in my church

My church sits about 2500, normally we had drapes on stage and behind stage to help absorb the sound but then the ceilings were not in place, I gave specifications to my boss to use perforated ...
15
votes
1answer
1k views

At what point in history did the relationship between pitch and frequency become well-known among musicians?

I think I've read that even very ancient cultures were able to discern that an octave difference corresponded to a pipe of twice the length, and so on. But at what point were musicians and composers ...
24
votes
6answers
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, ...
0
votes
0answers
54 views

What is the difference between note, tone and mode? [duplicate]

What is the difference between note, tone and mode? In physics, wave mechanics and vibration specifically, do the terms note, tone and mode mean the same thing or do they refer to difference things?
9
votes
3answers
776 views

Physical volume of instruments

I am aware that this might be a slightly unusual question, but just today I was wondering about the physical volume (meaning the capacity, NOT the loudness) of some musical instruments. In particular,...
2
votes
1answer
808 views

Harmonium (Indian accordion) Synth, Sound design

I wanted to design the harmonium sound in Logic Pro and I needed some help. If some of you have idea of how to make the sound, which might be according to me as follows. There would be a saw tooth ...
4
votes
1answer
130 views

What exactly is it that is so magical about rosin for a bow?

We all know that rosin is the main cause of friction on a string-instrument bow, but it also seems to have other properties. For example, when I have a good coat of rosin on my bow hairs, they tend ...
6
votes
1answer
100 views

Acoustics of woodwinds with centered mouthpieces/openings

Common woodwind instruments, as you know, are blown into from one of the two ends; the acoustic studies for air columns mainly center around these. But I am attempting to understand the acoustics of a ...
2
votes
1answer
207 views

does a 3-D printed plastic electric guitar, in comparison to a normal hardwood one, have more inferior tone, or other bad qualities?

I've started looking into 3-D designed musical instruments (yes that's apparently a thing now) and wanted to know if it's a good direction, if I want to customize my own electric guitar
2
votes
2answers
1k views

What is the unit for sound intensity?

I hear people say "decibel" for sound intensity, but a dB is just the ratio between two sound intensity levels, so it's really not a unit. So, if r and p represent the reference power level and ...
1
vote
5answers
315 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 ...
4
votes
1answer
767 views

Is a wind-string instrument (such as the one I will explain) acoustically possible?

I've always had this concept of an instrument, but I am wondering is such an instrument is even acoustically possible. The instrument is a tube, like most other woodwinds, but inside of the tube is a ...