Preload audio components (audio_encoder, audio_decoder, vocoder)

app.py

@@ -160,6 +160,9 @@ _video_decoder = ledger.video_decoder()
 _spatial_upsampler = ledger.spatial_upsampler()
 _text_encoder = ledger.text_encoder()
 _embeddings_processor = ledger.gemma_embeddings_processor()
+_audio_encoder = ledger.audio_encoder()
+_audio_decoder = ledger.audio_decoder()
+_vocoder = ledger.vocoder()
 
 # Replace ledger methods with lambdas returning preloaded instances
 ledger.transformer = lambda: _transformer
@@ -168,6 +171,9 @@ ledger.video_decoder = lambda: _video_decoder
 ledger.spatial_upsampler = lambda: _spatial_upsampler
 ledger.text_encoder = lambda: _text_encoder
 ledger.gemma_embeddings_processor = lambda: _embeddings_processor
+ledger.audio_encoder = lambda: _audio_encoder
+ledger.audio_decoder = lambda: _audio_decoder
+ledger.vocoder = lambda: _vocoder
 
 print("All models preloaded!")