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- #ifndef _LPC_to_Spectrum_h_
- #define _LPC_to_Spectrum_h_
- /* LPC_to_Spectrum.h
- *
- * Copyright (C) 1994-2011, 2015-2016 David Weenink
- *
- * This code 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 2 of the License, or (at
- * your option) any later version.
- *
- * This code 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 work. If not, see <http://www.gnu.org/licenses/>.
- */
- /*
- djmw 19980224
- djmw 20020812 GPL header
- djmw 20110702 Latest modification
- */
- #include "LPC.h"
- #include "Spectrum.h"
- void LPC_Frame_into_Spectrum (LPC_Frame me, Spectrum thee, double bandwidthReduction, double deEmphasisFrequency);
-
- autoSpectrum LPC_to_Spectrum (LPC me, double t, double dfMin, double bandwidthReduction, double deEmphasisFrequency);
-
- autoSpectrum LPC_to_Spectrum2 (LPC me, double t, double dfMin, double bandwidthReduction);
- /* if(dfMin >= 0) df <= dfMin else df = NyquistFrequency / 512 */
- /* integration radius r = exp (- pi * bandwidthReduction / samplingFrequency) */
- #endif /* _LPC_and_Spectrum_h_ */
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