Spaces:
Runtime error
Runtime error
File size: 10,791 Bytes
12bfd03 |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; ;;
;;; 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. ;;
;;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Definition of various lexicons
;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; If there exists a sudirectory of the lib-path called dicts then that
;;; is used as the lexicon directory by default. If it doesn't exist
;;; we set lexdir to the directory in CSTR where our lexicons are.
;;; In non-CSTR installations where lexicons are not in lib/dicts,
;;; you should set lexdir in sitevars.scm
(defvar lexdir
(if (probe_file (path-append libdir "dicts"))
(path-append libdir "dicts/")
;; else we'll guess we're in the CSTR filespace
(path-as-directory "/projects/festival/lib/dicts/"))
"lexdir
The directory where the lexicon(s) are, by default.")
(require 'pos) ;; for part of speech mapping
(define (setup_cstr_lex)
"(setup_cstr_lexicon)
Define and setup the CSTR lexicon. The CSTR lexicon consists
of about 25,000 entries in the mrpa phone set. A large number of
specific local entries are also added to the addenda."
(if (not (member_string "mrpa" (lex.list)))
(begin
(lex.create "mrpa")
(lex.set.compile.file (path-append lexdir "cstrlex.out"))
(lex.set.phoneset "mrpa")
(lex.set.lts.method 'lts_rules)
(lex.set.lts.ruleset 'nrl)
(lex.set.pos.map english_pos_map_wp39_to_wp20)
(mrpa_addenda)
(lex.add.entry
'("previous" nil (((p r ii) 1) ((v ii) 0) ((@ s) 0))))
(lex.add.entry
'("audio" () (((oo d) 1) ((ii) 0) ((ou) 0))))
(lex.add.entry
'("modules" () (((m o d) 1) ((uu l s) 0))))
)))
(define (setup_oald_lex)
"(setup_oald_lexicon)
Define and setup the CUVOALD lexicon. This is derived from the
Computer Users Version of the Oxford Advanced Learners' Dictionary
of Current English. This version includes a trained set of letter
to sound rules which have also been used to reduce the actual lexicon
size by over half, for those entries that the lts model gets exactly
the same."
(if (not (member_string "oald" (lex.list)))
(load (path-append lexdir "oald/oaldlex.scm"))))
(define (setup_cmu_lex)
"(setup_cmu_lex)
Lexicon derived from the CMU lexicon (cmudict-0.4), around 100,000 entries,
in the radio phoneset (sort of darpa-like). Includes letter to sound
rule model trained from this data, and uses the lexical stress predictor
from OALD."
(if (not (member_string "cmu" (lex.list)))
(load (path-append lexdir "cmu/cmulex.scm"))))
(define (setup_cmumt_lex)
"(setup_cmumt_lex)
Lexicon derived from the CMU lexicon (cmudict-0.4), around 100,000 entries,
in the radio phoneset (sort of darpa-like). Includes letter to sound
rule model trained from this data, and uses the lexical stress predictor
from OALD."
(if (not (member_string "cmumt" (lex.list)))
(load (path-append lexdir "cmu_mt/cmumtlex.scm"))))
(define (setup_cmu6_lex)
"(setup_cmu6_lex)
Lexicon derived from the CMU lexicon (cmudict-0.6), around 100,000 entries,
in the radio phoneset (sort of darpa-like). Includes letter to sound
rule model trained from this data, the format of this lexicon is suitable
for the UniSyn metrical phonology modules. That is the entries are
not syllabified,"
(if (not (member_string "cmu6" (lex.list)))
(load (path-append lexdir "cmu6/cmu6lex.scm"))))
(define (setup_moby_lex)
"(setup_moby_lexicon)
Define and setup the MOBY lexicon. This is derived from the public
domain version of the Moby (TM) Pronunciator II lexicon. It can be
converted automatically to British English mrpa phoneset which of
course is sub-optimal. It contains around 120,000 entries and has part
of speech information for homographs."
(if (not (member_string "moby" (lex.list)))
(begin
(lex.create "moby")
; (lex.set.compile.file (path-append lexdir "mobylex.out"))
(lex.set.compile.file "/home/awb/src/mobypron/mobylex.out")
(lex.set.phoneset "mrpa")
(lex.set.lts.method 'lts_rules)
(lex.set.lts.ruleset 'nrl)
(lex.set.pos.map english_pos_map_wp39_to_wp20)
(lex.add.entry
'("a" dt (((@) 0))))
(lex.add.entry
'("the" dt (((dh @) 0))))
(lex.add.entry
'("taylor" n (((t ei) 1) ((l @) 0))))
(lex.add.entry
'("who" prp ((( h uu ) 0))))
(mrpa_addenda))))
(define (setup_beep_lex)
"(setup_beep_lex)
Lexicon derived from the British English Example Pronunciation dictionary
(BEEP) from Tony Robinson [email protected]. Around 160,000 entries."
(if (not (member_string "beep" (lex.list)))
(begin
(lex.create "beep")
(lex.set.compile.file (path-append lexdir "beep_lex.out"))
(lex.set.phoneset "mrpa")
(lex.set.lts.method 'lts_rules)
(lex.set.lts.ruleset 'nrl)
(lex.set.pos.map english_pos_map_wp39_to_wp20)
(lex.add.entry
'("taylor" nil (((t ei) 1) ((l @) 0))))
(mrpa_addenda))))
;;; The nrl letter to sound rules produce mrpa phone set so we need
;;; to do some fancy things to make them work for American English
(define (f2b_lts word features)
"(f2b_lts WORD FEATURES)
Letter to sound rule system for f2b (American English), uses the NRL
LTS ruleset and maps the result to the radio phone set."
'("unknown" nil (((ah n) 0) ((n ow n) 1)))
)
;;; A CART tree for predicting lexical stress for strings of phones
;;; generated by the LTS models. This was actually trained from
;;; OALD as that's the only lexicon with stress and part of speech information
;;; It trained in a phoneset independent way and may be used be either
;;; OALD or CMU models (and probably MOBY and OGI lex too).
;;; On held out data it gets
;;; 07390 378 7768 [7390/7768] 95.134
;;; 1 512 8207 8719 [8207/8719] 94.128
;;; 7902 8585
;;; total 16487 correct 15597.000 94.602%
;;;
(set! english_stress_tree
'((sylpos < 1.7)
((1))
((ph_vlng is a)
((0))
((ph_vheight is 1)
((num2end < 1.5)
((ph_vfront is 1)
((ph_vlng is s) ((0)) ((pos is v) ((1)) ((0))))
((pos is n) ((0)) ((sylpos < 2.2) ((1)) ((0)))))
((ph_vlng is l)
((1))
((ph_vfront is 1)
((num2end < 2.4)
((0))
((pos is a)
((num2end < 3.3) ((sylpos < 2.3) ((1)) ((0))) ((0)))
((sylpos < 3.2)
((num2end < 3.3) ((0)) ((pos is v) ((1)) ((0))))
((0)))))
((0)))))
((num2end < 1.5)
((pos is n)
((0))
((sylpos < 2.4)
((pos is v)
((1))
((ph_vlng is d)
((ph_vheight is 2) ((ph_vfront is 1) ((1)) ((0))) ((0)))
((1))))
((ph_vlng is d)
((sylpos < 3.3)
((pos is v)
((ph_vheight is 2) ((ph_vfront is 1) ((0)) ((1))) ((0)))
((0)))
((0)))
((ph_vheight is 2)
((1))
((ph_vrnd is +) ((1)) ((ph_vlng is l) ((0)) ((1))))))))
((ph_vlng is d)
((pos is v)
((sylpos < 2.4) ((1)) ((0)))
((ph_vfront is 2)
((pos is n)
((num2end < 2.4)
((ph_vrnd is +)
((0))
((sylpos < 2.2) ((1)) ((ph_vheight is 2) ((1)) ((0)))))
((sylpos < 2.4) ((ph_vheight is 2) ((0)) ((1))) ((0))))
((1)))
((ph_vheight is 2) ((1)) ((ph_vfront is 1) ((0)) ((1))))))
((pos is n)
((num2end < 2.4)
((ph_vfront is 3)
((sylpos < 2.3) ((1)) ((ph_vlng is l) ((1)) ((0))))
((1)))
((1)))
((1)))))))))
(define (lex_user_unknown_word word feats)
"(lex_user_unknown_word WORD FEATS)
Function called by lexicon when 'function type letter to sound rules
is defined. It is the user's responsibility to defined this function
themselves when they want to deal with unknown words themselves."
(error "lex_user_unknown_word: has not been defined by user"))
(define (Word utt)
"(Word utt)
Construct (synthesis specific) syllable/segments from Word relation
using current lexicon and specific module."
(let ((rval (apply_method 'Word_Method utt)))
(cond
(rval rval) ;; new style
(t
(Classic_Word utt)))))
(define (find_oovs vocab oovs)
(let ((fd (fopen vocab "r"))
(ofd (fopen oovs "w"))
(e 0)
(oov 0)
(entry))
(while (not (equal? (set! entry (readfp fd)) (eof-val)))
(set! e (+ 1 e))
(if (not (lex.lookup_all entry))
(begin
(set! oov (+ 1 oov))
(format ofd "%l\n" (lex.lookup entry nil))))
)
(format t ";; %d words %d oov %2.2f oov_rate\n"
e oov (/ (* oov 100.0) e))
)
)
(provide 'lexicons)
|