1.3.1 Updates

- Add startup and network failure sound effects
- 12864 OLED scroll text
- Internalization of volume actions

scripts/convert_audio_to_p3.py

@@ -8,19 +8,27 @@ import numpy as np
 
 def encode_audio_to_opus(input_file, output_file):
     # Load audio file using librosa
-    audio, sample_rate = librosa.load(input_file, sr=None, mono=False, dtype=np.int16)
+    audio, sample_rate = librosa.load(input_file, sr=None, mono=False, dtype=np.float32)
+    
+    # Convert sample rate to 16000Hz if necessary
+    target_sample_rate = 16000
+    if sample_rate != target_sample_rate:
+        audio = librosa.resample(audio, orig_sr=sample_rate, target_sr=target_sample_rate)
+        sample_rate = target_sample_rate
     
     # Get left channel if stereo
     if audio.ndim == 2:
         audio = audio[0]
     
+    # Convert audio data back to int16 after resampling
+    audio = (audio * 32767).astype(np.int16)
+    
     # Initialize Opus encoder
     encoder = opuslib.Encoder(sample_rate, 1, opuslib.APPLICATION_VOIP)
 
     # Encode audio data to Opus packets
     # Save encoded data to file
     with open(output_file, 'wb') as f:
-        sample_rate = 16000 # 16000Hz
         duration = 60 # 60ms every frame
         frame_size = int(sample_rate * duration / 1000)
         for i in tqdm.tqdm(range(0, len(audio) - frame_size, frame_size)):