modify project structure and add download_models.py

Reviewed-on: #2

utils/tts.py

@@ -0,0 +1,31 @@
+import time
+
+import sounddevice as sd
+import torch
+
+language = 'ru'
+model_id = 'ru_v3'
+sample_rate = 48000  # 48000
+speaker = 'aidar'  # aidar, baya, kseniya, xenia, random
+put_accent = True
+put_yo = True
+device = torch.device('cpu')  # cpu или gpu
+text = "Хауди Хо, друзья!!!"
+
+model, _ = torch.hub.load(repo_or_dir='snakers4/silero-models',
+                          model='silero_tts',
+                          language=language,
+                          speaker=model_id)
+model.to(device)
+
+
+def va_speak(what: str):
+    audio = model.apply_tts(text=what + "..",
+                            speaker=speaker,
+                            sample_rate=sample_rate,
+                            put_accent=put_accent,
+                            put_yo=put_yo)
+
+    sd.play(audio, sample_rate * 1.05)
+    time.sleep((len(audio) / sample_rate) + 0.5)
+    sd.stop()