NDLI: Automated analysis and computationally efficient synthesis of acoustic guitar strings and body

Content Provider	IEEE Xplore Digital Library
Author	Bradley, K. Mu-Huo Cheng Stonick, V.L.
Copyright Year	1995
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Carnegie Mellon Univ., Pittsburgh, PA, USA (Bradley, K.; Mu-Huo Cheng; Stonick, V.L.)
Abstract	Synthesis of stringed instrument sounds that match an acoustic prototype requires models for the string oscillation and the instrument body. Cost-effective digital filters that implement physical models of oscillating strings have been extensively studied; the current challenge is in the inexpensive replication of the spectral changes induced by the body of a physical instrument. Currently reported synthesis efforts suggest that a linear body model based on sampled impulse responses of the guitar body cannot be designed to be computationally efficient. Using an advanced IIR filter design algorithm and sampled impulse responses of the guitar body, a computationally efficient model of the guitar body is determined and can be used for synthesis of an acoustic guitar sound. Digital filters model the horizontal and vertical guitar string vibrations. A sampled plucked guitar string is analyzed to extract a linear prediction error and a Fourier series representation of the string response. A segment of the linear prediction error, which captures transient plucking effects, is used as the input to the vertical string model. The Fourier series coefficients are used to synthesize one period of the steady-state response, which is used as the input to the horizontal string model. Horizontal and vertical decay rates are analyzed from the beginning and end of the sampled string data, respectively. The guitar body model is used to provide resonance and amplify the frequencies of interest.
Starting Page	238
Ending Page	241
File Size	391567
Page Count	4
File Format	PDF
ISBN	0780330641
DOI	10.1109/ASPAA.1995.482999
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-10-15
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Instruments Digital filters Fourier series Prototypes IIR filters Algorithm design and analysis Computational modeling Predictive models Steady-state Resonance
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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