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A study on timbre feature extraction and sound quality optimisation of guzheng performance based on spectral analysis

Dan Lu

Dan Lu

College of Art, Northeast Agricultural UniversityHarbin, China
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Lu, Dan
  
29 sept 2025
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Publicado en línea: 29 sept 2025
Recibido: 27 ene 2025
Aceptado: 11 may 2025
DOI: https://doi.org/10.2478/amns-2025-1121
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© 2025 Dan Lu, published by Sciendo.
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1.

Extraction of MFCC feature parameters
Extraction of MFCC feature parameters

Figure 2.

The sound color expression of the guzheng A4
The sound color expression of the guzheng A4

Figure 3.

The spectrum of guzheng
The spectrum of guzheng

Figure 4.

The second test sweep curve was compared
The second test sweep curve was compared

Figure 5.

The third test sweep curve is compared
The third test sweep curve is compared

Figure 6.

The two sweep curve difference
The two sweep curve difference

Figure 7.

The guzheng vibration processing the amplitudes of the previous A string
The guzheng vibration processing the amplitudes of the previous A string

Figure 8.

The amplitude of the time curve of the guzheng vibration processing
The amplitude of the time curve of the guzheng vibration processing
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Ciencias de la vida, Ciencias de la vida, otros, Matemáticas, Matemáticas aplicadas, Matemáticas generales, Física, Física, otros
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