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- /*
- Sekai - addons for the WORLD speech toolkit
- Copyright (C) 2016 Tobias Platen
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef SEKAI_HZOSC_H
- #define SEKAI_HZOSC_H
- #include <fftw3.h>
- #define N_OSC 100
- #define FFT_SIZE 2048
- class IFFTOsc {
- public:
- double phase[N_OSC];
- double amp[N_OSC];
- double frq[N_OSC];
- IFFTOsc();
- void processOneFrame();
- double output_buffer[FFT_SIZE / 2];
- int fs;
- private:
- float window[FFT_SIZE];
- fftw_complex *spectrum;
- double *waveform;
- fftw_plan inverse_c2r;
- double rover[FFT_SIZE / 2];
- };
- #endif
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