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Yehor/flashlight-uk

sourceHugging Faceapache-2.0updated 2y agoView on Hugging Face

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Model Card

Flashlight for Ukrainian

Community

—Discord: https://bit.ly/discord-uds
—Speech Recognition: https://t.me/speechrecognitionuk
—Speech Synthesis: https://t.me/speechsynthesisuk

See other Ukrainian models: https://github.com/egorsmkv/speech-recognition-uk

Overview

This repository contains the acoustic model for Ukrainian trained on Flashlight framework: https://github.com/flashlight/flashlight/tree/main/flashlight/app/asr

—Architecture: Conformer (300m params)
—Data in train: Common Voice 10 & Voice of America
—Trained epochs: 410
—Train time: around a week (RTX A4000)

Quality

—WER: 9.0777% (id est the quality is 90.92%)
—CER: 1.9839%

How to test?

Run a container with Flashlight running with CPU

bash

docker-compose up

# and in another termianl
docker exec -it flashlight_cpu bash

Run

Just with an AM:

/root/flashlight/build/bin/asr/fl_asr_test --am /models/uk_am.bin --datadir ''  --emission_dir '' --uselexicon false \
 --test /data/rows.lst --tokens /models/tokens.txt --lexicon /models/lexicon.txt --show

With an LM:

 /root/flashlight/build/bin/asr/fl_asr_decode \
  --am=/models/uk_am.bin \
  --test=/data/labels_absolute.lst \
  --maxload=3477 \
  --nthread_decoder=2 \
  --show \
  --showletters \
  --lexicon=/models/lexicon.txt \
  --uselexicon=false \
  --lm=/models/lm_4gram_500k.binary \
  --lmtype=kenlm \
  --decodertype=wrd \
  --beamsize=200 \
  --beamsizetoken=200 \
  --beamthreshold=20 \
  --lmweight=0.75 \
  --wordscore=0 \
  --eosscore=0 \
  --silscore=0 \
  --unkscore=0 \
  --smearing=max

—labels_absolute.lst is from https://github.com/egorsmkv/cv10-uk-testset-clean
—lm_4gram_500k.binary is from https://huggingface.co/Yehor/kenlm-ukrainian/tree/main/news/lm-4gram-500k

How to fine-tune on own data?

/root/flashlight/build/bin/asr/fl_asr_train continue /models/ --flagsfile /models/train.flags

/models/ must contain .bin files

Cite this work

@misc {smoliakov_2025,
	author       = { {Smoliakov} },
	title        = { flashlight-uk (Revision 1ac154b) },
	year         = 2025,
	url          = { https://huggingface.co/Yehor/flashlight-uk },
	doi          = { 10.57967/hf/4577 },
	publisher    = { Hugging Face }
}