Volume 4 Number 3 (Jun. 2012)
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IJCEE 2012 Vol.4(3): 293-297 ISSN: 1793-8163 DOI: 10.7763/IJCEE.2012.V4.498

Automatic Audio Morphing on Detached Sound Waveforms

N. Sumanth Kumar, Amarjot Singh, Arundathy Reddy, and K. Sai Sruthi
Abstract—This paper describes the techniques to morph between the two portions of sound originated from a common source, broken because of by some reason. We make use of morphing technique to join the sound where the pitch of the sound slowly changes from one broken part to another broken part by slowly changing the pitch information also covering the unvoiced region of the music. Spectral shapes are encoded on the multidimensional space while pitch on orthogonal axes of it. After matching components of the sound, a morph smoothly interpolates the amplitudes to describe a new sound in the same perceptual space. Finally, by inverting the representation, sound is produced. According to the literature survey, this is the first paper which explains the step by step evolution of one sound resulting into other sound across all states of intermediate steps along with the step by step runtime analysis. This will help researchers in future to improve the morphing methodology by looking carefully into the intermediate steps which decides the overall results. Here, we key out representations for morphing, techniques for matching, and interpolation algorithms and morphing each sound component. Spectral images of complete morph spectrogram are shown in the end.

Index Terms—Audio morphing, MFCC, dynamic time warping, interpolation.

N S. Kumar, A. Singh, A. Reddy are with the Electrical Department of National Institute of Technology, Warangal, India. (e-mail: amarjotsingh@ieee.org).
K S. Sruthi, is with the Electronics and Communication Department of National Institute of Technology, Warangal, India

Cite: N Sumanth Kumar, Amarjot Singh, Arundathy Reddy, and K Sai Sruthi, "Automatic Audio Morphing on Detached Sound Waveformss," International Journal of Computer and Electrical Engineering vol. 4, no. 3, pp. 293-297, 2012.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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