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/************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996,1997 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* */
/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
/* -------------------------------------------------------------------- */
/* Interface to signal processing code. */
/* */
/*************************************************************************/
#include <stdio.h>
#include <signal.h>
#include "jni_Sigpr.h"
#include "sigpr/EST_spectrogram.h"
#include "sigpr/EST_misc_sigpr.h"
JNIEXPORT void JNICALL
Java_cstr_est_Sigpr_cpp_1spectrogram(JNIEnv *env, jclass myclass,
jlong waveh, jlong trackh,
jfloat shift,
jfloat length,
jint order,
jfloat floor,
jfloat ceil)
{
(void)env;
(void)myclass;
EST_Wave *wave = (EST_Wave *)waveh;
EST_Track *sg = (EST_Track *)trackh;
EST_Wave pwave;
EST_pre_emphasis(*wave, pwave, 0.94);
raw_spectrogram(*sg, pwave, length, shift, order);
scale_spectrogram(*sg, 1.0, floor, ceil);
}
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