Cross-Synthesis Example with Matlab Implementation

版本 1.0.0.0 (838.4 KB) 作者: Hristo Zhivomirov
An example of the cross-synthesis technique used in the audio signal processing.
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The Matlab code presented here is an example of Cross-Synthesis – a technique of impressing the spectral envelope of one sound (modulating signal) on the flattened spectrum of another (carrier signal), consisting of the following steps:
1. Short-Time Fourier Transform (STFT) of both the modulator and carrier signals;
2. Extraction of the spectral envelope of each time-frame of the signals;
3. Division of the spectrum of each carrier frame by its own spectral envelope in order to flattening it;
4. Multiplication of the flattened carrier spectral frame by the envelope of the corresponding modulator frame;
5. Inverse Short-Time Fourier Transform (ISTFT) of the resultant time-localized spectrum.
The code is based on the theory described in:

[1] J. Smith. Spectral Audio Signal Processing.W3K Publishing, 2011.

[2] U. Zölzer. DAFX: Digital Audio Effects. Chichester, John Wiley & Sons, 2011.

引用格式

Hristo Zhivomirov (2024). Cross-Synthesis Example with Matlab Implementation (https://www.mathworks.com/matlabcentral/fileexchange/66200-cross-synthesis-example-with-matlab-implementation), MATLAB Central File Exchange. 检索来源 .

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1.0.0.0