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wajiha02/
Text-to-speech-wajiha

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Silero Models

Silero Models

Silero Models: pre-trained enterprise-grade STT / TTS models and benchmarks.

Enterprise-grade STT made refreshingly simple (seriously, see benchmarks). We provide quality comparable to Google's STT (and sometimes even better) and we are not Google.

As a bonus:

No Kaldi;
No compilation;
No 20-step instructions;

Also we have published TTS models that satisfy the following criteria:

One-line usage;
A large library of voices;
A fully end-to-end pipeline;
Natural-sounding speech;
No GPU or training required;
Minimalism and lack of dependencies;
Faster than real-time on one CPU thread (!!!);
Support for 16kHz and 8kHz out of the box;

Also we have published a model for text repunctuation and recapitalization that:

Inserts capital letters and basic punctuation marks, e.g., dots, commas, hyphens, question marks, exclamation points, and dashes (for Russian);
Works for 4 languages (Russian, English, German, and Spanish) and can be extended;
Domain-agnostic by design and not based on any hard-coded rules;
Has non-trivial metrics and succeeds in the task of improving text readability;

Installation and Basics

You can basically use our models in 3 flavours:

Via PyTorch Hub: torch.hub.load();
Via pip: pip install silero and then import silero;
Via caching the required models and utils manually and modifying if necessary;

Models are downloaded on demand both by pip and PyTorch Hub. If you need caching, do it manually or via invoking a necessary model once (it will be downloaded to a cache folder). Please see these docs for more information.

PyTorch Hub and pip package are based on the same code. All of the torch.hub.load examples can be used with the pip package via this basic change:

python3

# before
torch.hub.load(repo_or_dir='snakers4/silero-models',
               model='silero_stt',  # or silero_tts or silero_te
               **kwargs)

# after
from silero import silero_stt, silero_tts, silero_te
silero_stt(**kwargs)

Speech-To-Text

All of the provided models are listed in the models.yml file. Any metadata and newer versions will be added there.

Currently we provide the following checkpoints:

	PyTorch	ONNX	Quantization	Quality	Colab
English (`en_v6`)	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:	link	Open In Colab
English (`en_v5`)	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:	link	Open In Colab
German (`de_v4`)	:heavy_check_mark:	:heavy_check_mark:	:hourglass:	link	Open In Colab
English (`en_v3`)	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:	link	Open In Colab
German (`de_v3`)	:heavy_check_mark:	:hourglass:	:hourglass:	link	Open In Colab
German (`de_v1`)	:heavy_check_mark:	:heavy_check_mark:	:hourglass:	link	Open In Colab
Spanish (`es_v1`)	:heavy_check_mark:	:heavy_check_mark:	:hourglass:	link	Open In Colab
Ukrainian (`ua_v3`)	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:	N/A	Open In Colab

Model flavours:

	jit	jit	jit	jit	jit_q	jit_q	onnx	onnx	onnx	onnx
	xsmall	small	large	xlarge	xsmall	small	xsmall	small	large	xlarge
English `en_v6`		:heavy_check_mark:		:heavy_check_mark:		:heavy_check_mark:		:heavy_check_mark:		:heavy_check_mark:
English `en_v5`		:heavy_check_mark:		:heavy_check_mark:		:heavy_check_mark:		:heavy_check_mark:		:heavy_check_mark:
English `en_v4_0`			:heavy_check_mark:						:heavy_check_mark:
English `en_v3`	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:		:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:	:heavy_check_mark:
German `de_v4`			:heavy_check_mark:						:heavy_check_mark:
German `de_v3`			:heavy_check_mark:
German `de_v1`		:heavy_check_mark:					:heavy_check_mark:
Spanish `es_v1`		:heavy_check_mark:					:heavy_check_mark:
Ukrainian `ua_v3`		:heavy_check_mark:			:heavy_check_mark:		:heavy_check_mark:

Dependencies

All examples:
- torch, 1.8+ (used to clone the repo in TensorFlow and ONNX examples), breaking changes for versions older than 1.6
- torchaudio, latest version bound to PyTorch should just work
- omegaconf, latest should just work
Additional dependencies for ONNX examples:
- onnx, latest should just work
- onnxruntime, latest should just work
Additional for TensorFlow examples:
- tensorflow, latest should just work
- tensorflow_hub, latest should just work

Please see the provided Colab for details for each example below. All examples are maintained to work with the latest major packaged versions of the installed libraries.

PyTorch

Open In Colab

Open on Torch Hub

python

import torch
import zipfile
import torchaudio
from glob import glob

device = torch.device('cpu')  # gpu also works, but our models are fast enough for CPU
model, decoder, utils = torch.hub.load(repo_or_dir='snakers4/silero-models',
                                       model='silero_stt',
                                       language='en', # also available 'de', 'es'
                                       device=device)
(read_batch, split_into_batches,
 read_audio, prepare_model_input) = utils  # see function signature for details

# download a single file in any format compatible with TorchAudio
torch.hub.download_url_to_file('https://opus-codec.org/static/examples/samples/speech_orig.wav',
                               dst ='speech_orig.wav', progress=True)
test_files = glob('speech_orig.wav')
batches = split_into_batches(test_files, batch_size=10)
input = prepare_model_input(read_batch(batches[0]),
                            device=device)

output = model(input)
for example in output:
    print(decoder(example.cpu()))

ONNX

Open In Colab

Our model will run anywhere that can import the ONNX model or that supports the ONNX runtime.

python

import onnx
import torch
import onnxruntime
from omegaconf import OmegaConf

language = 'en' # also available 'de', 'es'

# load provided utils
_, decoder, utils = torch.hub.load(repo_or_dir='snakers4/silero-models', model='silero_stt', language=language)
(read_batch, split_into_batches,
 read_audio, prepare_model_input) = utils

# see available models
torch.hub.download_url_to_file('https://raw.githubusercontent.com/snakers4/silero-models/master/models.yml', 'models.yml')
models = OmegaConf.load('models.yml')
available_languages = list(models.stt_models.keys())
assert language in available_languages

# load the actual ONNX model
torch.hub.download_url_to_file(models.stt_models.en.latest.onnx, 'model.onnx', progress=True)
onnx_model = onnx.load('model.onnx')
onnx.checker.check_model(onnx_model)
ort_session = onnxruntime.InferenceSession('model.onnx')

# download a single file in any format compatible with TorchAudio
torch.hub.download_url_to_file('https://opus-codec.org/static/examples/samples/speech_orig.wav', dst ='speech_orig.wav', progress=True)
test_files = ['speech_orig.wav']
batches = split_into_batches(test_files, batch_size=10)
input = prepare_model_input(read_batch(batches[0]))

# actual ONNX inference and decoding
onnx_input = input.detach().cpu().numpy()
ort_inputs = {'input': onnx_input}
ort_outs = ort_session.run(None, ort_inputs)
decoded = decoder(torch.Tensor(ort_outs[0])[0])
print(decoded)

TensorFlow

Open In Colab

SavedModel example

python

import os
import torch
import subprocess
import tensorflow as tf
import tensorflow_hub as tf_hub
from omegaconf import OmegaConf

language = 'en' # also available 'de', 'es'

# load provided utils using torch.hub for brevity
_, decoder, utils = torch.hub.load(repo_or_dir='snakers4/silero-models', model='silero_stt', language=language)
(read_batch, split_into_batches,
 read_audio, prepare_model_input) = utils

# see available models
torch.hub.download_url_to_file('https://raw.githubusercontent.com/snakers4/silero-models/master/models.yml', 'models.yml')
models = OmegaConf.load('models.yml')
available_languages = list(models.stt_models.keys())
assert language in available_languages

# load the actual tf model
torch.hub.download_url_to_file(models.stt_models.en.latest.tf, 'tf_model.tar.gz')
subprocess.run('rm -rf tf_model && mkdir tf_model && tar xzfv tf_model.tar.gz -C tf_model',  shell=True, check=True)
tf_model = tf.saved_model.load('tf_model')

# download a single file in any format compatible with TorchAudio
torch.hub.download_url_to_file('https://opus-codec.org/static/examples/samples/speech_orig.wav', dst ='speech_orig.wav', progress=True)
test_files = ['speech_orig.wav']
batches = split_into_batches(test_files, batch_size=10)
input = prepare_model_input(read_batch(batches[0]))

# tf inference
res = tf_model.signatures["serving_default"](tf.constant(input.numpy()))['output_0']
print(decoder(torch.Tensor(res.numpy())[0]))

Text-To-Speech

Models and Speakers

All of the provided models are listed in the models.yml file. Any metadata and newer versions will be added there.

V4

V4 models support SSML. Also see Colab examples for main SSML tag usage.

ID	Speakers	Auto-stress	Language	SR	Colab
`v4_ru`	`aidar`, `baya`, `kseniya`, `xenia`, `eugene`, `random`	yes	`ru` (Russian)	`8000`, `24000`, `48000`	Open In Colab
`v4_cyrillic`	`b_ava`, `marat_tt`, `kalmyk_erdni`...	no	`cyrillic` (Avar, Tatar, Kalmyk, ...)	`8000`, `24000`, `48000`	Open In Colab
`v4_ua`	`mykyta`, `random`	no	`ua` (Ukrainian)	`8000`, `24000`, `48000`	Open In Colab
`v4_uz`	`dilnavoz`	no	`uz` (Uzbek)	`8000`, `24000`, `48000`	Open In Colab
`v4_indic`	`hindi_male`, `hindi_female`, ..., `random`	no	`indic` (Hindi, Telugu, ...)	`8000`, `24000`, `48000`	Open In Colab

V3

V3 models support SSML. Also see Colab examples for main SSML tag usage.

ID	Speakers	Auto-stress	Language	SR	Colab
`v3_en`	`en_0`, `en_1`, ..., `en_117`, `random`	no	`en` (English)	`8000`, `24000`, `48000`	Open In Colab
`v3_en_indic`	`tamil_female`, ..., `assamese_male`, `random`	no	`en` (English)	`8000`, `24000`, `48000`	Open In Colab
`v3_de`	`eva_k`, ..., `karlsson`, `random`	no	`de` (German)	`8000`, `24000`, `48000`	Open In Colab
`v3_es`	`es_0`, `es_1`, `es_2`, `random`	no	`es` (Spanish)	`8000`, `24000`, `48000`	Open In Colab
`v3_fr`	`fr_0`, ..., `fr_5`, `random`	no	`fr` (French)	`8000`, `24000`, `48000`	Open In Colab
`v3_indic`	`hindi_male`, `hindi_female`, ..., `random`	no	`indic` (Hindi, Telugu, ...)	`8000`, `24000`, `48000`	Open In Colab

Dependencies

Basic dependencies for Colab examples:

torch, 1.10+ for v3 models/ 2.0+ for v4 models;
torchaudio, latest version bound to PyTorch should work (required only because models are hosted together with STT, not required for work);
omegaconf, latest (can be removed as well, if you do not load all of the configs);

PyTorch

Open In Colab

Open on Torch Hub

python

# V4
import torch

language = 'ru'
model_id = 'v4_ru'
sample_rate = 48000
speaker = 'xenia'
device = torch.device('cpu')

model, example_text = torch.hub.load(repo_or_dir='snakers4/silero-models',
                                     model='silero_tts',
                                     language=language,
                                     speaker=model_id)
model.to(device)  # gpu or cpu

audio = model.apply_tts(text=example_text,
                        speaker=speaker,
                        sample_rate=sample_rate)

Standalone Use

Standalone usage only requires PyTorch 1.10+ and the Python Standard Library;
Please see the detailed examples in Colab;

python

# V4
import os
import torch

device = torch.device('cpu')
torch.set_num_threads(4)
local_file = 'model.pt'

if not os.path.isfile(local_file):
    torch.hub.download_url_to_file('https://models.silero.ai/models/tts/ru/v4_ru.pt',
                                   local_file)  

model = torch.package.PackageImporter(local_file).load_pickle("tts_models", "model")
model.to(device)

example_text = 'В недрах тундры выдры в г+етрах т+ырят в вёдра ядра кедров.'
sample_rate = 48000
speaker='baya'

audio_paths = model.save_wav(text=example_text,
                             speaker=speaker,
                             sample_rate=sample_rate)

SSML

Check out our TTS Wiki page.

Cyrillic languages

Supported tokenset:

!,-.:?iµöабвгдежзийклмнопрстуфхцчшщъыьэюяёђѓєіјњћќўѳғҕҗҙқҡңҥҫүұҳҷһӏӑӓӕӗәӝӟӥӧөӱӳӵӹ

Speaker_ID	Language	Gender
b_ava	Avar	F
b_bashkir	Bashkir	M
b_bulb	Bulgarian	M
b_bulc	Bulgarian	M
b_che	Chechen	M
b_cv	Chuvash	M
cv_ekaterina	Chuvash	F
b_myv	Erzya	M
b_kalmyk	Kalmyk	M
b_krc	Karachay-Balkar	M
kz_M1	Kazakh	M
kz_M2	Kazakh	M
kz_F3	Kazakh	F
kz_F1	Kazakh	F
kz_F2	Kazakh	F
b_kjh	Khakas	F
b_kpv	Komi-Ziryan	M
b_lez	Lezghian	M
b_mhr	Mari	F
b_mrj	Mari High	M
b_nog	Nogai	F
b_oss	Ossetic	M
b_ru	Russian	M
b_tat	Tatar	M
marat_tt	Tatar	M
b_tyv	Tuvinian	M
b_udm	Udmurt	M
b_uzb	Uzbek	M
b_sah	Yakut	M
kalmyk_erdni	Kalmyk	M
kalmyk_delghir	Kalmyk	F

Indic languages

Example

(!!!) All input sentences should be romanized to ISO format using aksharamukha. An example for hindi:

python

# V3
import torch
from aksharamukha import transliterate

# Loading model
model, example_text = torch.hub.load(repo_or_dir='snakers4/silero-models',
                                     model='silero_tts',
                                     language='indic',
                                     speaker='v4_indic')

orig_text = "प्रसिद्द कबीर अध्येता, पुरुषोत्तम अग्रवाल का यह शोध आलेख, उस रामानंद की खोज करता है"
roman_text = transliterate.process('Devanagari', 'ISO', orig_text)
print(roman_text)

audio = model.apply_tts(roman_text,
                        speaker='hindi_male')

Supported languages

Language	Speakers	Romanization function
hindi	`hindi_female`, `hindi_male`	`transliterate.process('Devanagari', 'ISO', orig_text)`
malayalam	`malayalam_female`, `malayalam_male`	`transliterate.process('Malayalam', 'ISO', orig_text)`
manipuri	`manipuri_female`	`transliterate.process('Bengali', 'ISO', orig_text)`
bengali	`bengali_female`, `bengali_male`	`transliterate.process('Bengali', 'ISO', orig_text)`
rajasthani	`rajasthani_female`, `rajasthani_female`	`transliterate.process('Devanagari', 'ISO', orig_text)`
tamil	`tamil_female`, `tamil_male`	`transliterate.process('Tamil', 'ISO', orig_text, pre_options=['TamilTranscribe'])`
telugu	`telugu_female`, `telugu_male`	`transliterate.process('Telugu', 'ISO', orig_text)`
gujarati	`gujarati_female`, `gujarati_male`	`transliterate.process('Gujarati', 'ISO', orig_text)`
kannada	`kannada_female`, `kannada_male`	`transliterate.process('Kannada', 'ISO', orig_text)`

Text-Enhancement

Languages	Quantization	Quality	Colab
'en', 'de', 'ru', 'es'	:heavy_check_mark:	link	Open In Colab

Dependencies

Basic dependencies for Colab examples:

torch, 1.9+;
pyyaml, but it's installed with torch itself

Standalone Use

Standalone usage only requires PyTorch 1.9+ and the Python Standard Library;
Please see the detailed examples in Colab;

python

import torch

model, example_texts, languages, punct, apply_te = torch.hub.load(repo_or_dir='snakers4/silero-models',
                                                                  model='silero_te')

input_text = input('Enter input text\n')
apply_te(input_text, lan='en')

Denoise

Denoise models attempt to reduce background noise along with various artefacts such as reverb, clipping, high/lowpass filters etc., while trying to preserve and/or enhance speech. They also attempt to enhance audio quality and increase sampling rate of the input up to 48kHz.

Models

All of the provided models are listed in the models.yml file.

Model	JIT	Real Input SR	Input SR	Output SR	Colab
`small_slow`	:heavy_check_mark:	`8000`, `16000`, `24000`, `44100`, `48000`	`24000`	`48000`	Open In Colab
`large_fast`	:heavy_check_mark:	`8000`, `16000`, `24000`, `44100`, `48000`	`24000`	`48000`	Open In Colab
`small_fast`	:heavy_check_mark:	`8000`, `16000`, `24000`, `44100`, `48000`	`24000`	`48000`	Open In Colab

Dependencies

Basic dependencies for Colab examples:

torch, 2.0+;
torchaudio, latest version bound to PyTorch should work;
omegaconf, latest (can be removed as well, if you do not load all of the configs).

PyTorch

Open In Colab

python

import torch

name = 'small_slow'
device = torch.device('cpu')
model, samples, utils = torch.hub.load(
  repo_or_dir='snakers4/silero-models',
  model='silero_denoise',
  name=name,
  device=device)
(read_audio, save_audio, denoise) = utils

i = 0
torch.hub.download_url_to_file(
  samples[i],
  dst=f'sample{i}.wav',
  progress=True
)
audio_path = f'sample{i}.wav'
audio = read_audio(audio_path).to(device)
output = model(audio)
save_audio(f'result{i}.wav', output.squeeze(1).cpu())

i = 1
torch.hub.download_url_to_file(
  samples[i],
  dst=f'sample{i}.wav',
  progress=True
)
output, sr = denoise(model, f'sample{i}.wav', f'result{i}.wav', device='cpu')

Standalone Use

python

import os
import torch

device = torch.device('cpu')
torch.set_num_threads(4)
local_file = 'model.pt'

if not os.path.isfile(local_file):
    torch.hub.download_url_to_file('https://models.silero.ai/denoise_models/sns_latest.jit',
                                   local_file)  

model = torch.jit.load(local_file)
torch._C._jit_set_profiling_mode(False) 
torch.set_grad_enabled(False)
model.to(device)

a = torch.rand((1, 48000))
a = a.to(device)
out = model(a)

FAQ

Wiki

Also check out our wiki.

Performance and Quality

Please refer to these wiki sections:

Adding new Languages

Please refer here.

Contact

Get in Touch

Try our models, create an issue, join our chat, email us, and read the latest news.

Commercial Inquiries

Please refer to our wiki and the Licensing and Tiers page for relevant information, and email us.

Citations

bibtex

@misc{Silero Models,
  author = {Silero Team},
  title = {Silero Models: pre-trained enterprise-grade STT / TTS models and benchmarks},
  year = {2021},
  publisher = {GitHub},
  journal = {GitHub repository},
  howpublished = {\url{https://github.com/snakers4/silero-models}},
  commit = {insert_some_commit_here},
  email = {hello@silero.ai}
}

Donations

Please use the "sponsor" button.

wajiha02/Text-to-speech-wajiha

Silero Models

Installation and Basics

Speech-To-Text

Dependencies

PyTorch

ONNX

TensorFlow

Text-To-Speech

Models and Speakers

V4

V3

Dependencies

PyTorch

Standalone Use

SSML

Cyrillic languages

Indic languages

Example

Supported languages

Text-Enhancement

Dependencies

Standalone Use

Denoise

Models

Dependencies

PyTorch

Standalone Use

FAQ

Wiki

Performance and Quality

Adding new Languages

Contact

Get in Touch

Commercial Inquiries

Citations

Further reading

English

Chinese

Russian

Donations

wajiha02/
Text-to-speech-wajiha