What Is Acoustic Length in Musical Instruments?

In summary, the speaker is seeking clarification on the concept of "acoustic length" in relation to their interest in the physics of sound and native american style flutes. They have come across conflicting information and mention the concepts of end correction and tone-hole lattice as potential areas to explore.
  • #1
beaverflutes
3
0
Hi, I'm not sure if this is the correct forum, or even the correct website but you all seem to know what you're talking about! I make native american style flutes, and have recently become interested in the physics of sound and soundwaves, etc.

I've done well in my research, but have come across some information that contradicts each other. I just need a small clarification.

What exactly is the "Acoustic Length"?
 
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  • #2
beaverflutes said:
What exactly is the "Acoustic Length"?

When it comes to the question: "how long is a pipe really?", soundwaves experience things differently from humans. Acoustic length is the length of a column of air (or, ofcourse, any other medium able to propagate sound) as seen from the perspective of the pressurewave traveling through it.

If you haven't already, you might want to look into End correction of a pipe and Tone-hole lattice.

Hoping I'm helping, not just sucking eggs... :shy:
 
  • #3


Acoustic length refers to the physical length of a sound wave or the distance it travels in a specific medium. It is a measure of the wavelength of a sound wave and is typically measured in meters. In musical instruments, such as flutes, the acoustic length is an important factor in determining the pitch and tone of the instrument. Longer acoustic lengths will produce lower pitches, while shorter lengths will produce higher pitches. Additionally, the material and shape of the instrument can also affect the acoustic length and therefore the sound produced. I hope this helps clarify any confusion you may have encountered in your research.
 

Related to What Is Acoustic Length in Musical Instruments?

1. What is acoustic length?

Acoustic length refers to the physical distance that sound waves travel in a specific medium. It is a measure of the distance between the sound source and the receiver, and it is affected by factors such as temperature, humidity, and the composition of the medium.

2. How is acoustic length measured?

Acoustic length can be measured using a variety of techniques, such as using a tape measure or ruler to physically measure the distance between the sound source and receiver, or using specialized equipment such as laser interferometers or ultrasonic sensors.

3. What is the relationship between acoustic length and sound frequency?

The relationship between acoustic length and sound frequency is known as the wavelength. Wavelength is the distance between two consecutive peaks or troughs of a sound wave, and it is inversely proportional to the frequency. This means that as the frequency increases, the wavelength decreases, and vice versa.

4. How does acoustic length affect sound propagation?

The acoustic length of a medium affects the speed at which sound waves travel through it. In general, sound travels faster in denser mediums, which results in a longer acoustic length. The acoustic length also affects the amount of attenuation, or decrease in sound intensity, as sound waves travel through a medium.

5. What are some real-world applications of acoustic length?

Acoustic length is a crucial concept in various fields, including acoustics, music, and engineering. It is used to design and optimize sound systems, determine the resonance of musical instruments, and study the behavior of sound waves in different environments. Acoustic length is also essential in industries such as telecommunications and seismology.

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