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app.py

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+import gradio as gr
+from gtts import gTTS
+import io
+import os
+import librosa
+import soundfile as sf
+
+def text_to_speech(text, language_accent, pitch):
+    lang, tld = language_tld_map[language_accent].split(',')
+
+    # create the text-to-speech audio
+    tts = gTTS(text, lang=lang, tld=tld)
+    tts.save('gtts.wav')
+
+    # Load the audio file
+    y, sr = librosa.load('gtts.wav')
+
+    # Specify the number of semitones to shift
+    new_y = librosa.effects.pitch_shift(y=y, sr=sr, n_steps=pitch)
+
+    sf.write("generated_gtts.wav", new_y, sr)
+
+    # return the generated audio
+    return 'generated_gtts.wav'
+
+
+language_tld_map = {
+    "English_Australia": "en,com.au",
+    "English_United_Kingdom": "en,co.uk",
+    "English_United_States": "en,com",
+    "English_Canada": "en,ca",
+    "English_Nigerian": "en,com.ng",
+    "English_Ireland": "en,ie",
+    "English_South Africa": "en,co.za",
+    "French_Canada": "fr,ca",
+    "French_France": "fr,fr",
+    "Mandarin_China_Mainland": "zh-CN,com",
+    "Mandarin_Taiwan": "zh-TW,com",
+    "Portuguese_Brazil": "pt,com.br",
+    "Portuguese_Portugal": "pt,pt",
+    "Spanish_Mexico": "es,com.mx",
+    "Spanish_Spain": "es,es",
+    "Spanish_United_States": "es,com"
+}
+
+# create the Gradio interface
+iface = gr.Interface(fn=text_to_speech, 
+                     inputs=[gr.Textbox(lines=10, label="Enter your text here:"),
+                             gr.Dropdown(choices=list(language_tld_map.keys()), label="Select Language & Accent:", value="English_United_Kingdom", type="value"), 
+                             gr.Number(label="Pitch", value=0, type="value")],
+                     outputs=[gr.Audio(label="Audio")],
+                     allow_flagging="never")
+
+iface.launch(enable_queue=True)

requirements.txt

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+gTTS
+librosa
+soundfile