automatically update example text for different languages

melo/app.py

@@ -18,6 +18,18 @@ models = {
     'KR': TTS(language='KR', device=device),
 }
 speaker_ids = models['EN'].hps.data.spk2id
+
+default_text_dict = {
+    'EN': 'The field of text-to-speech has seen rapid development recently.',
+    'ES': 'El campo de la conversión de texto a voz ha experimentado un rápido desarrollo recientemente.',
+    'FR': 'Le domaine de la synthèse vocale a connu un développement rapide récemment',
+    'ZH': 'text-to-speech 领域近年来发展迅速',
+    'JP': 'テキスト読み上げの分野は最近急速な発展を遂げています',
+    'KR': '최근 텍스트 음성 변환 분야가 급속도로 발전하고 있습니다.',    
+}
+def update_default_text_fn(language):
+    return default_text_dict[language]
+    
 def synthesize(speaker, text, speed, language, progress=gr.Progress()):
     bio = io.BytesIO()
     models[language].tts_to_file(text, models[language].hps.data.spk2id[speaker], bio, speed=speed, pbar=progress.tqdm, format='wav')
@@ -31,7 +43,8 @@ with gr.Blocks() as demo:
         language = gr.Radio(['EN', 'ES', 'FR', 'ZH', 'JP', 'KR'], label='Language', value='EN')
         language.input(load_speakers, inputs=language, outputs=speaker)
         speed = gr.Slider(label='Speed', minimum=0.1, maximum=10.0, value=1.0, interactive=True, step=0.1)
-        text = gr.Textbox(label="Text to speak", value='The field of text to speech has seen rapid development recently')
+        text = gr.Textbox(label="Text to speak", value=default_text_dict['EN'])
+        language.change(update_default_text_fn, [language], [text])
     btn = gr.Button('Synthesize', variant='primary')
     aud = gr.Audio(interactive=False)
     btn.click(synthesize, inputs=[speaker, text, speed, language], outputs=[aud])
@@ -44,4 +57,4 @@ def main(share, host, port):
     demo.queue(api_open=False, default_concurrency_limit=10).launch(show_api=False, share=share, server_name=host, server_port=port)
 
 if __name__ == "__main__":
-    main()
+    main()