Add a simple text to speech example

.gitignore

@@ -1 +1,3 @@
-*.pyc
+*.pyc
+venv/
+text_to_speech/models

llm_translator.py

@@ -29,9 +29,6 @@ def translator_de_fr(query):
     return translate(MODEL, syspromts.TRANSLATOR_DE_FR + query)
 
 
-
-
-
 if __name__ == "__main__":
     response = translator_de_en(test_content.TESTSENTENCE_DE_BROKER)
     print(json.dumps(response, indent=2))

readme.md

@@ -0,0 +1,6 @@
+# Prerequisites
+
+sudo apt install liblc3-tools
+
+use python3.9
+pip install piper-tts soundfile librosa

text_to_speech/piper_welcome.sh

@@ -0,0 +1,6 @@
+SCRIPT_DIR=$(dirname "$(readlink -f "$BASH_SOURCE")")
+
+echo 'Welcome to the world of speech synthesis!' | piper \
+  --model en_US-lessac-medium \
+  --output_file $SCRIPT_DIR/welcome.wav \
+  --download-dir $SCRIPT_DIR/models

text_to_speech/resample.py

@@ -0,0 +1,19 @@
+# resample .wave from 22.05 to 24kHz sampling rate
+
+import librosa
+import soundfile as sf
+
+
+def resample():
+    # Load the original audio file
+    audio, rate = librosa.load('welcome.wav')
+
+    # Convert the sample rate to 24 kHz
+    resampled_rate = int(rate * 24 / 22050)
+    resampled_audio = librosa.resample(audio, rate, resampled_rate)
+
+    # Save the resampled audio as a new .wav file
+    sf.write('welcome_resampled.wav', resampled_audio, resampled_rate)
+
+if __name__ == "__main__":
+    resample()