Kinyarwanda-asr / app.py
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import gradio as gr
import librosa
import soundfile as sf
import torch
import warnings
import os
from transformers import Wav2Vec2ProcessorWithLM, Wav2Vec2CTCTokenizer, Wav2Vec2Model
from engine import SpeechToTextEngine
import wave
from nemo_asr import transcribe
warnings.filterwarnings("ignore")
from speechbrain.pretrained import EncoderDecoderASR
asr_model = EncoderDecoderASR.from_hparams(source="speechbrain/asr-wav2vec2-commonvoice-rw", savedir="pretrained_models/asr-wav2vec2-commonvoice-rw")
#asr_model.transcribe_file("speechbrain/asr-wav2vec2-commonvoice-rw/example.mp3")
# define speech-to-text function
def asr_transcript(audio):
if audio == None:
return "Please provide audio by uploading a file or by recording audio using microphone by pressing Record (And allow usage of microphone)", "Please provide audio by uploading a file or by recording audio using microphone by pressing Record (And allow usage of microphone)"
text = ""
data={}
if audio:
text_asr = asr_model.transcribe_file(audio.name)
#text_nemo_trasducer = transcribe(audio, "stt_rw_conformer_ctc_large")
with open(audio.name,'rb') as f:
audio_proper = f.read()
stt_engine = SpeechToTextEngine()
all_hot_words = []
if data:
all_hot_words = stt_engine.add_hot_words(data)
if not audio_proper:
raise InvalidUsage('Audio not provided')
# Running the transcription
text_coqui = stt_engine.run(audio_proper)
return text_asr.lower() , text_coqui
return "File not valid"
gradio_ui = gr.Interface(
fn=asr_transcript,
title="Kinyarwanda Speech Recognition",
description="Record an audio clip from browser using microphone, and let AI do the hard work of transcribing.",
article = """
This demo showcases two pretrained STT models the first model from speechbrain(wave2vec+CTC models)(1,2gb) is 30 times larger compared to the coqui STT (deepspeech model)(45mb).
""",
inputs=[ gr.inputs.Audio(label="Upload Audio File", type="file", optional=False)],
outputs=[gr.outputs.Textbox(label="Recognized speech from speechbrain model"),
gr.outputs.Textbox(label="Recognized speech from coqui STT model")]
# examples = [["sample_1.wav"],["sample_2.wav"]]
)
gradio_ui.launch(enable_queue=True)