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/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996 */
/* 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 : Paul Taylor */
/* Date : February 1996 */
/*-----------------------------------------------------------------------*/
/* Intonational Event Include file */
/* */
/*=======================================================================*/
#ifndef __RFC_H__
#define __RFC_H__
#include "ling_class/EST_Relation.h"
#include "EST_util_class.h"
#include "EST_speech_class.h"
#include "EST_Event.h"
/**@name Tilt functions
Functions for:
<itemizedlist>
<listitem><para>Generating RFC and Tilt parameters from F0 contours</para></listitem>
<listitem><para>Converting RFC to Tilt parameters and vice-versa</para></listitem>
<listitem><para>Synthesizing F0 contours from RFC and Tilt events</para></listitem>
</itemizedlist>
*/
//@{
/** Fill op with sensible default parameters for RFC analysis.
*/
void default_rfc_params(EST_Features &op);
/** Produce a set of RFC parameterized events given approximate event
boundaries and a smoothed F0 contour. See <xref
linkend="ov-rfc-analysis"> for a description of this process.
@param f0: Smoothed continuous F0 contour. An error will occur
if any unvoiced regions are detected in the contour. Use the
function smooth_pda to smooth and interpolate a normal contour.
@param ev_list: list of events, each containing approximate start
and end times of the events. On completion each event in this list
will have a set of RFC parameters.
@param op: parameters used to control analysis process.
*/
void rfc_analysis(EST_Track &fz, EST_Relation &event_list, EST_Features &op);
/** Fill op with sensible default parameters for RFC analysis
*/
void tilt_analysis(EST_Track &fz, EST_Relation &event_list, EST_Features &op);
/** Fill op with sensible default parameters for RFC analysis
*/
void fill_rise_fall_values(EST_Track &fz, float amp, float start_f0);
/** Generate an F0 contour given a list RFC events.
@param f0: Generated F0 contour
@param ev_list: list of events, each containing a set of RFC parameters
@param f_shift: frame shift in seconds of the generated contour
@param no_conn: Do not join events with straight lines if set to 1
*/
void rfc_synthesis(EST_Track &f0, EST_Relation &ev_list,
float f_shift, int no_conn);
/** Generate an F0 contour given a list Tilt events.
This function simply calls \Ref{tilt_to_rfc} followed by \Ref{rfc_synthesis}.
@param f0: Generated F0 contour
@param ev_list: list of events, each containing a set of Tilt parameters
@param f_shift: frame shift in seconds of the generated contour
@param no_conn: Do not join events with straight lines if set to 1
*/
void tilt_synthesis(EST_Track &track, EST_Relation &ev_list,
float f_shift, int no_conn);
/** Convert a single set of local tilt parameters to local RFC parameters.
<parameter>amp</parameter>
@param tilt: input tilt parameters, named <parameter>amp</parameter>, <parameter>dur</parameter> and <parameter>tilt</parameter>
@param rfc: output RFC parameters, name <parameter>rise_amp</parameter>, <parameter>fall_amp</parameter>, <parameter>rise_dur</parameter> and <parameter>fall_dur</parameter>
*/
void tilt_to_rfc(EST_Features &tilt, EST_Features &rfc);
/** Convert a single set of local RFC parameters to local tilt
parameters. See <xref linkend="ov-rfc-to-tilt"> for a description of
how this is performed.
<parameter>
@param rfc: input RFC parameters, named <parameter> rise_amp</parameter>, <parameter>fall_amp</parameter>, <parameter>rise_dur</parameter> and<parameter> fall_dur</parameter>
@param tilt: output tilt parameters, named <parameter>amp</parameter>, <parameter>dur</parameter> and <parameter>tilt</parameter> */
void rfc_to_tilt(EST_Features &rfc, EST_Features &tilt);
/** For each tilt events in ev_tilt, produce a set of RFC parameters.
The tilt parameters are stored as the following features in the event:
<ITEMIZEDLIST MARK="bullet" SPACING="compact">
<LISTITEM>tilt.amp
<LISTITEM>tilt.dur
<LISTITEM>tilt.tilt
</itemizedlist>
A set of features with the following names are created:
<ITEMIZEDLIST MARK="bullet" SPACING="compact">
<LISTITEM>rfc.rise_amp</listitem>
<LISTITEM>rfc.rise_dur</listitem>
<LISTITEM>rfc.fall_amp</listitem>
<LISTITEM>rfc.fall_dur</listitem>
</itemizedlist>
The original tilt features are not deleted.
*/
void tilt_to_rfc(EST_Relation &ev_tilt);
/** For each tilt events in ev_rfc, produce a set of Tiltparameters.
The RFC parameters are stored as the following features in the event:
<ITEMIZEDLIST MARK="bullet" SPACING="compact">
<LISTITEM>rfc.rise_amp</listitem>
<LISTITEM>rfc.rise_dur</listitem>
<LISTITEM>rfc.fall_amp</listitem>
<LISTITEM>rfc.fall_dur</listitem>
</itemizedlist>
A set of features with the following names are created:
<ITEMIZEDLIST MARK="bullet" SPACING="compact">
<LISTITEM>tilt.amp
<LISTITEM>tilt.dur
<LISTITEM>tilt.tilt
</itemizedlist>
The original RFC features are not deleted.
*/
void rfc_to_tilt(EST_Relation &ev_rfc);
int validate_rfc_stream(EST_Relation &ev);
void fill_rfc_types(EST_Relation &ev);
//@}
#endif /* RFC */
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