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| import gradio as gr | |
| from gradio.inputs import Textbox | |
| import nltk | |
| nltk.download('punkt') | |
| from nltk.tokenize import word_tokenize | |
| import re | |
| from transformers import SpeechT5Processor, SpeechT5ForTextToSpeech, SpeechT5HifiGan | |
| from datasets import load_dataset | |
| import torch | |
| import random | |
| import string | |
| import soundfile as sf | |
| import boto3 | |
| from io import BytesIO | |
| import os | |
| AWS_ACCESS_KEY_ID = os.getenv("AWS_ACCESS_KEY_ID") | |
| AWS_SECRET_ACCESS_KEY = os.getenv("AWS_SECRET_ACCESS_KEY") | |
| S3_BUCKET_NAME = os.getenv("BUCKET_NAME") | |
| device = "cuda" if torch.cuda.is_available() else "cpu" | |
| # load the processor | |
| processor = SpeechT5Processor.from_pretrained("microsoft/speecht5_tts") | |
| # load the model | |
| model = SpeechT5ForTextToSpeech.from_pretrained( | |
| "microsoft/speecht5_tts").to(device) | |
| # load the vocoder, that is the voice encoder | |
| vocoder = SpeechT5HifiGan.from_pretrained( | |
| "microsoft/speecht5_hifigan").to(device) | |
| # we load this dataset to get the speaker embeddings | |
| embeddings_dataset = load_dataset( | |
| "Matthijs/cmu-arctic-xvectors", split="validation") | |
| # speaker ids from the embeddings dataset | |
| speakers = { | |
| 'awb': 0, # Scottish male | |
| 'bdl': 1138, # US male | |
| 'clb': 2271, # US female | |
| 'jmk': 3403, # Canadian male | |
| 'ksp': 4535, # Indian male | |
| 'rms': 5667, # US male | |
| 'slt': 6799 # US female | |
| } | |
| def generateAudio(text_to_audio, s3_save_as): | |
| s3_save_as = '-'.join(save_as.split()) + ".wav" | |
| def cut_text(text, max_tokens=500): | |
| # Remove non-alphanumeric characters, except periods and commas | |
| text = re.sub(r"[^\w\s.,]", "", text) | |
| tokens = word_tokenize(text) | |
| if len(tokens) <= max_tokens: | |
| return text | |
| cut = ' '.join(tokens[:max_tokens]) | |
| return cut | |
| def save_audio_to_s3(audio): | |
| # Create an instance of the S3 client | |
| s3 = boto3.client('s3', | |
| aws_access_key_id=AWS_ACCESS_KEY_ID, | |
| aws_secret_access_key=AWS_SECRET_ACCESS_KEY) | |
| # Full path of the file in the bucket | |
| s3_key = "public/" + s3_save_as | |
| # Upload the audio file to the S3 bucket | |
| s3.upload_fileobj(audio, S3_BUCKET_NAME, s3_key) | |
| def save_text_to_speech(text, speaker=None): | |
| # Preprocess text and recortar | |
| text = cut_text(text, max_tokens=500) | |
| # preprocess text | |
| inputs = processor(text=text, return_tensors="pt").to(device) | |
| if speaker is not None: | |
| # load xvector containing speaker's voice characteristics from a dataset | |
| speaker_embeddings = torch.tensor( | |
| embeddings_dataset[speaker]["xvector"]).unsqueeze(0).to(device) | |
| else: | |
| # random vector, meaning a random voice | |
| speaker_embeddings = torch.randn((1, 512)).to(device) | |
| # generate speech with the models | |
| speech = model.generate_speech( | |
| inputs["input_ids"], speaker_embeddings, vocoder=vocoder) | |
| # create BytesIO object to store the audio | |
| audio_buffer = BytesIO() | |
| # save the generated speech to the BytesIO buffer | |
| sf.write(audio_buffer, speech.cpu().numpy(), samplerate=16000, format='WAV') | |
| audio_buffer.seek(0) | |
| # Save the audio to S3 | |
| save_audio_to_s3(audio_buffer) | |
| save_text_to_speech(text_to_audio, 2271) | |
| return s3_save_as | |
| iface = gr.Interface(fn=generateAudio, inputs=[Textbox(label="text_to_audio"), Textbox(label=" | |
| ")], outputs="text") | |
| iface.launch() | |