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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. ;;
;;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Set up Donovan diphones
;;;
;;; Note in its current setting this voice requires OALD which is
;;; free only for non-commercial use
;;;
(defvar donovan_diphone_dir (cdr (assoc 'don_diphone voice-locations)))
(require 'mrpa_phones)
(require 'holmes_phones) ;; diphones are in Holmes, but we map from mrpa
(require 'pos)
(require 'phrase)
(require 'tobi)
(require 'f2bf0lr)
(require 'mrpa_durs) ;; average durations for mrpa phones
(require 'gswdurtreeZ)
(require_module 'donovan)
(setup_oald_lex)
(define (setup_don_diphone)
(Donovan_Init
(list
(list 'index_file (string-append donovan_diphone_dir "diphlocs.txt"))
(list 'diphone_file (string-append donovan_diphone_dir "lpcdiphs.bin"))
)))
(define (don_postlex_syllabics utt)
"(don_postlex_syllabics utt)
Becuase the lexicon is somewhat random in its used of syllable l n and
m this is designed to post process the output inserting schwa before
them. Ideally the lexicon should be fixed."
(mapcar
(lambda (s)
(if (and (member_string (item.name s) '("l" "n" "m"))
(string-equal "coda" (item.feat s "seg_onsetcoda"))
(not (member_string (item.feat s "p.name") '(l r)))
(string-equal "-" (item.feat s "p.ph_vc")))
(item.relation.insert
s 'SylStructure
(item.insert s (list "@") 'before)
'before)))
(utt.relation.items utt 'Segment)))
(define (voice_don_diphone)
"(voice_don_diphone)
Set up the current speaker to be British male RP speaker, LPC Donovan
diphones."
(voice_reset)
(Parameter.set 'Language 'britishenglish)
;; Phone set
(PhoneSet.select 'mrpa)
(Parameter.set 'PhoneSet 'mrpa)
;; Tokenization rules
(set! token_to_words english_token_to_words)
;; POS tagger
(set! pos_lex_name "english_poslex")
(set! pos_ngram_name 'english_pos_ngram)
(set! pos_supported t)
(set! guess_pos english_guess_pos) ;; need this for accents
;; Lexicon selection
(lex.select "oald")
(set! postlex_rules_hooks (list postlex_apos_s_check
don_postlex_syllabics))
;; Phrase prediction
(Parameter.set 'Phrase_Method 'prob_models)
(set! phr_break_params english_phr_break_params)
;; Accent and tone prediction
(set! int_tone_cart_tree f2b_int_tone_cart_tree)
(set! int_accent_cart_tree f2b_int_accent_cart_tree)
;; F0 prediction
(set! f0_lr_start f2b_f0_lr_start)
(set! f0_lr_mid f2b_f0_lr_mid)
(set! f0_lr_end f2b_f0_lr_end)
(Parameter.set 'Int_Method Intonation_Tree)
(set! int_lr_params
'((target_f0_mean 135) (target_f0_std 30)
(model_f0_mean 170) (model_f0_std 34)))
(Parameter.set 'Int_Target_Method Int_Targets_LR)
;; Duration prediction
(set! duration_cart_tree gsw_duration_cart_tree);
(set! duration_ph_info gsw_durs)
(Parameter.set 'Duration_Method Duration_Tree_ZScores)
(Parameter.set 'Duration_Stretch 1.0)
;; Waveform synthesizer: Donovan LPC diphones
(Parameter.set 'Synth_Method Donovan_Synthesize)
(setup_don_diphone)
(set! after_synth_hooks
(lambda (utt)
(utt.wave.rescale utt 1.6)))
(set! current-voice 'don_diphone)
)
(proclaim_voice
'don_diphone
'((language english)
(gender male)
(dialect british)
(description
"This voice uses a very small and efficient pulse-excited LPC
diphone synthesis method. It was originally written by Steve
Isard. The front end uses the same British English lexicon,
intonation and duration methods as rab_diphone.")))
(provide 'don_diphone)
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