convert_spectrogram_to_audio ( spec = spectrogram ) return audio. generate_spectrogram ( tokens = parsed ) audio = vocoder. parse ( text ) spectrogram = spectrogram_generator. translate ( russian_text ) print ( english_text ) # After this you should see English translation # Let's convert it into audio # A helper function which combines FastPitch and HiFiGAN to go directly from # text to audio def text_to_audio ( text ): parsed = spectrogram_generator. Let's translate it to English english_text = nmt_model. transcribe () print ( russian_text ) # You should see russian text here. cuda () # Transcribe an audio file # IMPORTANT: The audio must be mono with 16Khz sampling rate # Get example from: russian_text = quartznet. from_pretrained ( model_name = "tts_en_hifigan" ). cuda () # Vocoder model which takes spectrogram and produces actual audio vocoder = nemo_tts. from_pretrained ( model_name = "tts_en_fastpitch" ). cuda () # Spectrogram generator which takes text as an input and produces spectrogram spectrogram_generator = nemo_tts. from_pretrained ( model_name = 'nmt_ru_en_transformer6圆' ). cuda () # Neural Machine Translation model nmt_model = nemo_nlp. from_pretrained ( model_name = "stt_ru_quartznet15x5" ). # Import NeMo and it's ASR, NLP and TTS collections import nemo # Import Speech Recognition collection import as nemo_asr # Import Natural Language Processing colleciton import as nemo_nlp # Import Speech Synthesis collection import as nemo_tts # Next, we instantiate all the necessary models directly from NVIDIA NGC # Speech Recognition model - QuartzNet trained on Russian part of MCV 6.0 quartznet = nemo_asr. NeMo voice swap demo - demonstrates how to swap a voice in the audio fragment with a computer generated one using NeMo.īelow we is the code snippet of Audio Translator application. NeMo Models - explains the fundamental concepts of the NeMo model. NeMo Primer - introduces NeMo, PyTorch Lightning, and OmegaConf, and shows how to use, modify, save, and restore NeMo models. Text Classification (Sentiment Analysis) - demonstrates the Text Classification model using the NeMo NLP collection. If you’re new to NeMo, the best way to get started is to take a look at the following tutorials: This NeMo Quick Start Guide is a starting point for users who want to try out NeMo specifically, this guide enables users to quickly get started with the NeMo fundamentals by walking you through an example audio translator and voice swap. You have access to an NVIDIA GPU for training. Prerequisites #īefore you begin using NeMo, it’s assumed you meet the following prerequisites.
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