Korean Fall and Help Speech Whisper Small - CTranslate2 INT8

ํ•œ๊ตญ์–ด ๋‚™์ƒ ๋ฐ ๋„์›€ ์š”์ฒญ ์Œ์„ฑ ์ธ์‹์„ ์œ„ํ•ด ํŒŒ์ธํŠœ๋‹ํ•œ Whisper Small ๋ชจ๋ธ์˜ CTranslate2 INT8 ๋ฐฐํฌ ๋ฒ„์ „์ž…๋‹ˆ๋‹ค. 1์ธ ๊ฐ€๊ตฌ ์‹œ๋‹ˆ์–ด์˜ ๋‚™์ƒ ์‚ฌ๊ณ  ๊ฐ์ง€ ์บก์Šคํ†ค ํ”„๋กœ์ ํŠธ์—์„œ CPU ์ถ”๋ก ์šฉ์œผ๋กœ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

์ด ์ €์žฅ์†Œ์—๋Š” ๋ชจ๋ธ ๊ฐ€์ค‘์น˜์™€ ์‹คํ–‰ ์„ค์ •๋งŒ ํฌํ•จํ•˜๋ฉฐ, AI Hub ์›๋ณธ ๋ฐ์ดํ„ฐ์™€ ์ง์ ‘ ๋…น์Œํ•œ ์Œ์„ฑ์€ ํฌํ•จํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

Model details

ํ•ญ๋ชฉ ๋‚ด์šฉ
๊ธฐ๋ฐ˜ ๋ชจ๋ธ seastar105/whisper-small-ko-zeroth
์–ธ์–ด ํ•œ๊ตญ์–ด
์ž‘์—… ์ž๋™ ์Œ์„ฑ ์ธ์‹(ASR)
ํŒŒ์ธํŠœ๋‹ LoRA, q_proj์™€ v_proj ๋Œ€์ƒ
๋ฐฐํฌ ํ˜•์‹ CTranslate2
์–‘์žํ™” INT8
์‹คํ–‰ ์žฅ์น˜ CPU
๋ชจ๋ธ ํฌ๊ธฐ ์•ฝ 234.4 MB

Training data

ํ•™์Šต์—๋Š” AI Hub ์œ„๊ธ‰์ƒํ™ฉ ์Œ์„ฑยท์Œํ–ฅ ๋ฐ์ดํ„ฐ ์ค‘ ํ”„๋กœ์ ํŠธ ๋ชฉ์ ์— ๋งž๋Š” ๋‚™์ƒ ๋ฐ ๋„์›€ ์š”์ฒญ ์Œ์„ฑ๊ณผ ์ง์ ‘ ๋…น์Œํ•œ ์œ„๊ธ‰ ํ‘œํ˜„์„ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.

์ตœ์ข… ์ถ”๊ฐ€ ํ•™์Šต ๋‹จ๊ณ„์˜ ๊ตฌ์„ฑ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

  • AI Hub ํ•™์Šต ์Œ์„ฑ: 5,000๊ฐœ
  • ์ง์ ‘ ๋…น์Œ ์Œ์„ฑ: 119๊ฐœ๋ฅผ ํ•™์Šต์—์„œ 5ํšŒ ๋ฐ˜๋ณต
  • ์ตœ์ข… ํ•™์Šต ํ–‰: 5,595๊ฐœ
  • ๊ฒ€์ฆ ์Œ์„ฑ: AI Hub 1,000๊ฐœ
  • ์ฃผ์š” ๋ผ๋ฒจ: fall_related, help_direct

์ง์ ‘ ๋…น์Œ ๋ฐ˜๋ณต์€ ์ ์€ ์ˆ˜์˜ ๋ชฉํ‘œ ๋ฐœํ™”๋ฅผ ๋ณด๊ฐ•ํ•˜๊ธฐ ์œ„ํ•œ ํ•™์Šต ์ƒ˜ํ”Œ๋ง์ด๋ฉฐ, ์„œ๋กœ ๋‹ค๋ฅธ ๋…น์Œ 595๊ฐœ๋ฅผ ์˜๋ฏธํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

Audio input

ํ”„๋กœ์ ํŠธ ์ž…๋ ฅ ๊ทœ๊ฒฉ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

  • ์ƒ˜ํ”Œ๋ ˆ์ดํŠธ: 16,000 Hz
  • ์ฑ„๋„: mono
  • ํŒŒ์ผ ํ˜•์‹: WAV, 16-bit PCM ๊ถŒ์žฅ
  • ๋งˆ์ดํฌ ์ถ”๋ก  ๊ตฌ๊ฐ„: ๊ธฐ๋ณธ 5์ดˆ
  • ์–ธ์–ด: ko

๋ชจ๋ธ ๋‚ด๋ถ€์—์„œ๋Š” Whisper ์ „์šฉ 80-bin Log-Mel ํŠน์ง•์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

Evaluation

ํ‰๊ฐ€ ๋ฐ์ดํ„ฐ๋Š” ์ด 2,398๊ฐœ์ž…๋‹ˆ๋‹ค.

  • AI Hub ๋ฏธ์‚ฌ์šฉ ํ‰๊ฐ€ ์Œ์„ฑ: 2,370๊ฐœ
  • ์ƒˆ ์ง์ ‘ ๋…น์Œ ํ‰๊ฐ€ ์Œ์„ฑ: 28๊ฐœ
  • fall_related: 1,199๊ฐœ
  • help_direct: 1,199๊ฐœ

๋™์ผํ•œ CPU / CTranslate2 INT8 / beam_size=1 ์กฐ๊ฑด์˜ ๊ฒฐ๊ณผ์ž…๋‹ˆ๋‹ค. CER๊ณผ WER์€ ๋น„์œจ์ด๋ฉฐ ๋‚ฎ์„์ˆ˜๋ก ์ข‹์Šต๋‹ˆ๋‹ค.

๋ชจ๋ธ CER WER ํ‚ค์›Œ๋“œ ์ธ์‹๋ฅ 
Zeroth baseline INT8 0.4376 (43.76%) 0.8383 (83.83%) 88.49%
LoRA fine-tuned INT8 0.0231 (2.31%) 0.0651 (6.51%) 99.58%

์ง์ ‘ ๋…น์Œ ํ‰๊ฐ€ 28๊ฐœ๋งŒ ๋ถ„๋ฆฌํ•œ ์ตœ์ข… INT8 ๊ฒฐ๊ณผ๋Š” CER 0.1956, WER 0.3571, ํ‚ค์›Œ๋“œ ์ธ์‹๋ฅ  78.57%์˜€์Šต๋‹ˆ๋‹ค. ์ „์ฒด ๊ฒฐ๊ณผ๋ณด๋‹ค ๋‚ฎ์œผ๋ฏ€๋กœ ์‹ค์ œ ํ™˜๊ฒฝ๊ณผ ๋‹ค์–‘ํ•œ ํ™”์ž์˜ ๋ฐœ์Œ์— ๋Œ€ํ•œ ์ถ”๊ฐ€ ๊ฒ€์ฆ์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.

Download

๋น„๊ณต๊ฐœ ์ €์žฅ์†Œ๋ฅผ ๋‚ด๋ ค๋ฐ›์œผ๋ ค๋ฉด ๋จผ์ € Hugging Face์— ๋กœ๊ทธ์ธํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

hf auth login
hf download daegyeong48/whisper-small-ko-fall-help-ct2-int8 `
  --local-dir whisper_models/whisper-small-ko-fall-help-userx5-ct2-int8

Usage

from faster_whisper import WhisperModel

model = WhisperModel(
    "whisper_models/whisper-small-ko-fall-help-userx5-ct2-int8",
    device="cpu",
    compute_type="int8",
)

segments, info = model.transcribe(
    "sample.wav",
    language="ko",
    task="transcribe",
    beam_size=1,
    without_timestamps=True,
)

text = "".join(segment.text for segment in segments).strip()
print(text)

ํ”„๋กœ์ ํŠธ์˜ ๋งˆ์ดํฌ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

python tools/transcribe_mic_int8.py --seconds 5 --device 1

Limitations

  • ํ•œ๊ตญ์–ด ๋‚™์ƒ ๋ฐ ๋„์›€ ์š”์ฒญ ํ‘œํ˜„์— ํŠนํ™”๋œ ์—ฐ๊ตฌ์šฉ ๋ชจ๋ธ์ž…๋‹ˆ๋‹ค.
  • ์‹ฌํ•˜๊ฒŒ ๋ญ‰๊ฐœ์ง„ ๋ฐœ์Œ, ๊ตฌ์Œ์žฅ์•  ์Œ์„ฑ, ๋จผ ๊ฑฐ๋ฆฌ ๋…น์Œ, ํฐ ์ƒํ™œ ์†Œ์Œ์—์„œ๋Š” ์„ฑ๋Šฅ์ด ๋‚ฎ์•„์งˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
  • ํ‚ค์›Œ๋“œ ์ค‘์‹ฌ ๋ฐ์ดํ„ฐ๋กœ ํ•™์Šต๋˜์–ด ์ผ๋ฐ˜์ ์ธ ์žฅ๋ฌธ ๋ฐ›์•„์“ฐ๊ธฐ ์„ฑ๋Šฅ์„ ๋ณด์žฅํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
  • ์ง์ ‘ ๋…น์Œ ํ‰๊ฐ€ ํ‘œ๋ณธ์ด 28๊ฐœ๋กœ ์ž‘์œผ๋ฏ€๋กœ ์‹ค์ œ ์‚ฌ์šฉ ์„ฑ๋Šฅ์„ ๋Œ€ํ‘œํ•˜๊ธฐ์—๋Š” ์ œํ•œ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
  • ์‹ค์ œ ์‘๊ธ‰ ์‹ ๊ณ ๋‚˜ ์˜๋ฃŒ ํŒ๋‹จ์„ ์ด ๋ชจ๋ธ ํ•˜๋‚˜์—๋งŒ ์˜์กดํ•˜๋ฉด ์•ˆ ๋ฉ๋‹ˆ๋‹ค.

๊ณต๊ฐœ ์ „ํ™˜ ์ „์—๋Š” ๊ธฐ๋ฐ˜ ๋ชจ๋ธ๊ณผ ์‚ฌ์šฉ ๋ฐ์ดํ„ฐ์˜ ์žฌ๋ฐฐํฌ ์กฐ๊ฑด์„ ๋ณ„๋„๋กœ ํ™•์ธํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

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