Create audio_model.py

audio_model.py

@@ -0,0 +1,55 @@
+from transformers import AutoProcessor, BlipForConditionalGeneration, AutoTokenizer,SpeechT5Processor, SpeechT5ForTextToSpeech, SpeechT5HifiGan
+import librosa
+import numpy as np
+import torch
+
+#CONSTANTS
+speaker_embeddings = {
+    "BDL": "spkemb/cmu_us_bdl_arctic-wav-arctic_a0009.npy",
+    "CLB": "spkemb/cmu_us_clb_arctic-wav-arctic_a0144.npy",
+    "RMS": "spkemb/cmu_us_rms_arctic-wav-arctic_b0353.npy",
+    "SLT": "spkemb/cmu_us_slt_arctic-wav-arctic_a0508.npy",
+}
+
+# Carga el modelo de clasificación de tetxo a audio speech
+checkpoint = "microsoft/speecht5_tts"
+processor = SpeechT5Processor.from_pretrained(checkpoint)
+model = SpeechT5ForTextToSpeech.from_pretrained(checkpoint)
+vocoder = SpeechT5HifiGan.from_pretrained("microsoft/speecht5_hifigan")
+
+device = "cuda" if torch.cuda.is_available() else "cpu"
+
+### TEXT TO AUDIO SPEECH  MODEL 2    
+# Define la función que convierte texto en voz
+def text_to_speech(text,speaker):
+    # Genera el audio utilizando el modelo 
+    if len(text.strip()) == 0:
+       return (16000, np.zeros(0).astype(np.int16))
+    inputs = processor(text=text, return_tensors="pt")
+
+    # limit input length
+    input_ids = inputs["input_ids"]
+    input_ids = input_ids[..., :model.config.max_text_positions]
+
+    if speaker == "Surprise Me!":
+        # load one of the provided speaker embeddings at random
+        idx = np.random.randint(len(speaker_embeddings))
+        key = list(speaker_embeddings.keys())[idx]
+        speaker_embedding = np.load(speaker_embeddings[key])
+
+        # randomly shuffle the elements
+        np.random.shuffle(speaker_embedding)
+
+        # randomly flip half the values
+        x = (np.random.rand(512) >= 0.5) * 1.0
+        x[x == 0] = -1.0
+        speaker_embedding *= x
+
+        #speaker_embedding = np.random.rand(512).astype(np.float32) * 0.3 - 0.15
+    speaker_embedding = torch.tensor(speaker_embedding).unsqueeze(0)
+
+    speech = model.generate_speech(input_ids, speaker_embedding, vocoder=vocoder)
+
+    speech = (speech.numpy() * 32767).astype(np.int16)
+    return (16000, speech)
+### END TEXT TO AUDIO SPEECH  MODEL 2