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;;; ;;
;;; Centre for Speech Technology Research ;;
;;; University of Edinburgh, UK ;;
;;; Copyright (c) 1996,1997 ;;
;;; All Rights Reserved. ;;
;;; ;;
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;;; permit persons to whom this work is furnished to do so, subject to ;;
;;; the following conditions: ;;
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;;; 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 ;;
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;;; ;;
;;; 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 ;;
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;;; ;;
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;;;
;;; An example tts text mode for reading email messages, this includes
;;; support for extracting the interesting headers from the message
;;; and for dealing with quoted text. Its all very primitive and
;;; will easily be confused but its here just as an example
;;;
(define (email_init_func)
"(email_init_func)
Called on starting email text mode."
(voice_rab_diphone)
(set! email_previous_t2w_func token_to_words)
(set! english_token_to_words email_token_to_words)
(set! token_to_words english_token_to_words)
(set! email_in_quote nil))
(define (email_exit_func)
"(email_exit_func)
Called on exit email text mode."
(set! english_token_to_words email_previous_t2w_func)
(set! token_to_words english_token_to_words))
(define (email_token_to_words token name)
"(email_token_to_words utt token name)
Email spcific token to word rules."
(cond
((string-matches name "<.*@.*>")
(append
(email_previous_t2w_func token
(string-after (string-before name "@") "<"))
(cons
"at"
(email_previous_t2w_func token
(string-before (string-after name "@") ">")))))
((and (string-matches name ">")
(string-matches (item.feat token "whitespace")
"[ \t\n]*\n *"))
(voice_cmu_us_awb_cg)
nil ;; return nothing to say
)
(t ;; for all other cases
(if (string-matches (item.feat token "whitespace")
".*\n[ \n]*")
(voice_rab_diphone))
(email_previous_t2w_func token name))))
(set! tts_text_modes
(cons
(list
'email ;; mode name
(list ;; email mode params
(list 'init_func email_init_func)
(list 'exit_func email_exit_func)
'(filter "email_filter")))
tts_text_modes))
(provide 'email-mode)
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