This file is indexed.

/usr/share/festival/multisyn/multisyn.scm is in festival 1:2.1~release-8.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;                                                                       ;;
;;;                Centre for Speech Technology Research                  ;;
;;;                     University of Edinburgh, UK                       ;;
;;;                       Copyright (c) 2003, 2004                        ;;
;;;                        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.                                                       ;;
;;;                                                                       ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Multisyn top level scheme code  (Korin Richmond and Rob Clark)
;;;

; Requires
(require_module 'UniSyn)
(require_module 'MultiSyn)
(require 'multisyn_pauses)
(require 'target_cost)

;; use a global parameter to specify which UnitSelection voice
;; to use to synthesise a given utterance for now, because the
;; standard Festival synthesis mainline doesn't accept a voice
;; parameter.  (This should be set to the current voice object)
(defvar currentMultiSynVoice nil)
(defvar relp t)
(defvar flattenVoice nil)

; extract utt list from a .data file
(define (load_utt_list filename)
"(load_utt_list filename)
Loads a fextvox .data file and extracts an utterance list."
(let (l entries)
  (set! entries (load filename t))
  (mapcar
   (lambda (d)
     (set! l (cons (car d) l))
     t)
   entries)
l))

;; SynthType definition, main entry point.

(defSynthType MultiSyn
  ;(print "Multisyn unit selection synthesis")
  (defvar MultiSyn_module_hooks nil)
  (Param.def "unisyn.window_name" "hanning")
  (Param.def "unisyn.window_factor" 1.0)
  ;; Unisyn requires these to be set.
  (set! us_abs_offset 0.0)
  (set! us_rel_offset 0.0)

  (apply_hooks MultiSyn_module_hooks utt)  ;; 4processing of diphone names

  ;; find appropriate unit sequence and put sythesis
  ;; parameters in the Unit relation of the utterance structure
  (voice.getUnits currentMultiSynVoice utt)
  
  ;(print "doing concat")
  (us_unit_concat utt)

  ;(print "doing raw concat")

  (utt.relation.create utt 'SourceSegments)

  (set! do_prosmod (du_voice.prosodic_modification currentMultiSynVoice))

  (if do_prosmod
      (begin
	(if (not (member 'f0 (utt.relationnames utt)))
	    (targets_to_f0 utt))
	;; temporary fix
	(if (utt.relation.last utt 'Segment)
	    (set! pm_end (+ (item.feat (utt.relation.last utt 'Segment) "end") 0.02))
	    (set! pm_end 0.02))
	(us_f0_to_pitchmarks  utt 'f0 'TargetCoef pm_end)
	(us_mapping utt 'segment_single))
      (begin
	(utt.copy_relation utt 'SourceCoef 'TargetCoef)
	(us_mapping utt "linear")))


  ;(print "generating wave")
;; specify something else if you don't want lpc
  (us_generate_wave utt 'lpc)
)


; target cost scheme code 
(define (targetcost it1 it2)
  (Default_Target_Cost it1 it2))

; Evil function which writes the functions to actually load and switch new voices.
(define (make_voice_definition name srate config_function backoff_rules data_dir config)
  "(make_voice_definition NAME SRATE CONFIG_FUNCTION BACKOFF_RULES DATA_DIR CONFIG)
Create the fuction definitions to load and unload a voice."
  (let ((voice_name (string-append "voice_" name))
	(free_name (string-append "free_voice_" name))
	(pre_config_function (string-append config_function "_pre"))
	(voice_variable (upcase (string-append "voice_" name))))

    (eval (list 'defvar (intern voice_variable) nil))

    (eval (list 'define (list (intern voice_name))
		(list 'if (intern pre_config_function)
		      (list (intern pre_config_function) (intern voice_variable)))
		(list 'if (list 'null (intern voice_variable))
		      (list 'set! (intern voice_variable)
			    (list 'multisyn_load_voice_modules
				  (list 'quote name)
				  srate
				  (list 'quote backoff_rules)
				  data_dir
				  (list 'quote config))))
		(list (intern config_function) (intern voice_variable))
		(list 'set! 'current-voice (list 'quote name))
		(list 'define_current_voice_reset)
		(list 'set! 'currentMultiSynVoice (intern voice_variable))
		))

    (eval (list 'define
		(list (intern free_name))
		(list 'cond 
		      (list (list 'null (intern voice_variable))
			    (list 'error "Voice not currently loaded!"))
		      (list (list 'eq? 'currentMultiSynVoice (intern voice_variable))
			    (list 'error "Can't free current voice!"))
		      (list 't (list set! (intern voice_variable) 'nil))))))
  nil)
		      
(define (multisyn_load_voice_modules name srate backoff_rules base_dir module_list)
"(multisyn_add_module voice name srate backoff_rules base_dir module_list)
Add voice modules to a voice."
(let (voice)
  (mapcar
   (lambda (module_entry)
     (let ((dirs     (car module_entry))
	   (utt_list (load_utt_list (path-append base_dir 
						 (cadr module_entry)))))
       (if (null voice)
	   (set! voice (make_du_voice utt_list dirs srate))
	   (voice.addModule voice utt_list dirs srate))))
   module_list)
  (voice.setName voice name)
  (if flattenVoice 
      (du_voice.setTargetCost voice "flat")
      (du_voice.setTargetCost voice t))
  (du_voice.setJoinCost voice t)
  (format t "Please wait: Initialising multisyn voice.\n")
  (voice.init voice)
  (format t " Voice loaded successfully!\n")
  (du_voice.set_ob_pruning_beam voice 0.25)
  (du_voice.set_pruning_beam voice 0.25)
  (du_voice.setDiphoneBackoff voice backoff_rules)
voice))




(define (define_current_voice_reset)
"(define_current_voice_reset)
Re-define (current_voice_reset) correctly."
  (eval (list 'define
	      (list 'current_voice_reset)
	      (list 'multisyn_reset_globals))))

(define (multisyn_reset_globals)
"(multisyn_reset_globals)
Reset multisyn specific global variables."
(Param.set 'unisyn.window_symmetric 1))


(provide 'multisyn)