CosyVoice-ttsfrd/resource/festival/languages.scm

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;;;                                                                       ;;
;;;                Centre for Speech Technology Research                  ;;
;;;                     University of Edinburgh, UK                       ;;
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;;;
;;;  Specification of voices and some major choices of synthesis
;;;
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;;;
;;;  This should use some sort of database description for voices so
;;;  new voices will become automatically available.
;;;

(define (language_british_english)
"(language_british_english)
Set up language parameters for British English."
  (require 'voices)
  ;;  Will get more elaborate, with different choices of voices in language

  (set! male1 voice_rab_diphone)
  (if (symbol-bound? 'voice_don_diphone)
      (set! male2 voice_don_diphone))
  (if (symbol-bound? 'voice_gsw_diphone)
      (set! male3 voice_gsw_diphone))
  (if (symbol-bound? 'voice_gsw_450)
      (set! male4 voice_gsw_450))

  (male1)
  (Parameter.set 'Language 'britishenglish)
)

(define (language_american_english)
"(language_american_english)
Set up language parameters for Aemerican English."
  (require 'voices)
  (if (symbol-bound? 'voice_kal_diphone)
      (set! female1 voice_kal_diphone))
  (if (symbol-bound? 'voice_kal_diphone)
      (set! male1 voice_kal_diphone))

  (male1)
  (Parameter.set 'Language 'americanenglish)
)

(define (language_scots_gaelic)
"(language_scots_gaelic)
Set up language parameters for Scots Gaelic."
  (error "Scots Gaelic not yet supported.")

  (Parameter.set 'Language 'scotsgaelic)
)

(define (language_welsh)
"(language_welsh)
Set up language parameters for Welsh."

  (set! male1 voice_welsh_hl)

  (male1)
  (Parameter.set 'Language 'welsh)
)

(define (language_castillian_spanish)
"(language_spanish)
Set up language parameters for Castillian Spanish."

  (voice_el_diphone)
  (set! male1 voice_el_diphone)

  (Parameter.set 'Language 'spanish)
)

(define (select_language language)
  (cond
   ((or (equal? language 'britishenglish)
	(equal? language 'english))  ;; we all know its the *real* English
    (language_british_english))
   ((equal? language 'americanenglish)
    (language_american_english))
   ((equal? language 'scotsgaelic)
    (language_scots_gaelic))
   ((equal? language 'welsh)
    (language_welsh))
   ((equal? language 'spanish)
    (language_castillian_spanish))
   ((equal? language 'klingon)
    (language_klingon))
   (t
    (print "Unsupported language, using English")
    (language_british_english))))

(defvar language_default language_british_english)

(provide 'languages)