import torch
from transformers import WhisperForConditionalGeneration, WhisperProcessor, WhisperTokenizer,WhisperFeatureExtractor
import soundfile as sf
model="ARTPARK-IISc/whisper-medium-vaani-telugu"
# Load tokenizer and feature extractor individually
feature_extractor = WhisperFeatureExtractor.from_pretrained(model)
tokenizer = WhisperTokenizer.from_pretrained("openai/whisper-medium", language="Telugu", task="transcribe")
# Create the processor manually
processor = WhisperProcessor(feature_extractor=feature_extractor, tokenizer=tokenizer)
# Load and preprocess the audio file
audio_file_path = "Sample_Audio.wav" # replace with your audio file path
device = "cuda" if torch.cuda.is_available() else "cpu"
# Load the processor and model
model = WhisperForConditionalGeneration.from_pretrained(model).to(device)
# load audio
audio_data, sample_rate = sf.read(audio_file_path)
# Ensure the audio is 16kHz (Whisper expects 16kHz audio)
if sample_rate != 16000:
import torchaudio
resampler = torchaudio.transforms.Resample(orig_freq=sample_rate, new_freq=16000)
audio_data = resampler(torch.tensor(audio_data).unsqueeze(0)).squeeze().numpy()
# Use the processor to prepare the input features
input_features = processor(audio_data, sampling_rate=16000, return_tensors="pt").input_features.to(device)
# Generate transcription (disable gradient calculation during inference)
with torch.no_grad():
predicted_ids = model.generate(input_features)
# Decode the generated IDs into human-readable text
transcription = processor.batch_decode(predicted_ids, skip_special_tokens=True)[0]
print(transcription)
