How does the Karplus-Strong algorithm work?

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In summary, the Karplus-Strong string synthesis is a technique for generating realistic string instrument sounds using digital signal processing. It involves creating an array of random values, then using a feedback loop to gradually decrease the amplitude of the signal until it reaches 0. This process creates a sound similar to a plucked string, and can be manipulated by adjusting the sampling rate and note frequency.
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btb4198
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http://en.wikipedia.org/wiki/Karplus–Strong_string_synthesis

ok I just want to make sure I understand how this works.
you have N with = fs/fo .
fs is sampling rate = 44100Hz
Fo is the note you want to play like 440hz

then you make an array of N sizes and full it up with random value between 0.5 and -0.5
then you outputs the array from 0 to N then after N you do this

output = the 1st value of Array and the second value of the Array / by 2 * 0.995

and you keep doing this until output is 0?
is that right ?
 
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Thanks for the post! Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
 
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ok can Some one please explain to me how
Karplus-strong algorithm works ?
 

FAQ: How does the Karplus-Strong algorithm work?

What is the Karplus-Strong algorithm?

The Karplus-Strong algorithm is a digital signal processing technique used to synthesize plucked string instrument sounds, such as guitar or harp, on a computer. It was developed in the 1980s by Kevin Karplus and Alexander Strong.

How does the Karplus-Strong algorithm work?

The algorithm works by simulating the behavior of a vibrating string. It starts with a buffer of random noise, which is then filtered with a low-pass filter to create a decaying waveform. This waveform is then fed back into the filter, creating a loop that produces a continuous sound.

What are the advantages of using the Karplus-Strong algorithm?

The Karplus-Strong algorithm is computationally efficient and allows for real-time sound synthesis. It also produces a natural and realistic sound, making it a popular choice for emulating string instruments in digital music production.

What are some common applications of the Karplus-Strong algorithm?

The Karplus-Strong algorithm is commonly used in digital music production for creating realistic string instrument sounds. It is also used in video game development for creating sound effects and in scientific research for studying the physics of vibrating strings.

Are there any limitations to the Karplus-Strong algorithm?

The Karplus-Strong algorithm is limited in its ability to synthesize sounds that deviate significantly from the behavior of vibrating strings, such as brass or woodwind instruments. It also requires careful tuning of parameters to produce a desired sound, which can be challenging for beginners.

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