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LA

Speech LLM Research Scientist Internship

LG AI Research
๐Ÿ‡ฐ๐Ÿ‡ท South Korea
On-site
Internship
20 hours ago
  • Natural Language Processing
  • AI

Not enough detail in this posting to match

ํŒ€ ์†Œ๊ฐœ

Language Lab์€ ์ž์—ฐ์–ด ์ฒ˜๋ฆฌ(NLP) ๋ถ„์•ผ์˜ ๊ธฐ์ˆ ์  ๋‚œ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ์„ ํ–‰๊ธฐ์ˆ ์„ ์—ฐ๊ตฌํ•˜๋Š” ์กฐ์ง์ž…๋‹ˆ๋‹ค. 'Learning-by-Reading AI'๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ์ฑ—๋ด‡์„ ๋น„๋กฏํ•œ Language ๋ถ„์•ผ ์„œ๋น„์Šค ํ˜์‹ ์„ ๋ชฉํ‘œ๋กœ ํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์ตœ๊ทผ์—๋Š” ํ…์ŠคํŠธ๋ฅผ ์ฝ๊ณ  ์ดํ•ดํ•˜๋Š” AI๋ฅผ ๋„˜์–ด ์Œ์„ฑ์„ ๋“ฃ๊ณ  ๋งํ•˜๋Š” AI๋กœ ์—ฐ๊ตฌ ๋ฒ”์œ„๋ฅผ ๋„“ํ˜€๊ฐ€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

์ด๋Ÿฌํ•œ ์Œ์„ฑ ์—ฐ๊ตฌ์˜ ์ผํ™˜์œผ๋กœ SpeechLLM ์—ฐ๊ตฌ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ์Œ์„ฑ ์ธ์‹(STT)๊ณผ ์Œ์„ฑ ํ•ฉ์„ฑ(TTS)์„ ๋Œ€๊ทœ๋ชจ ์–ธ์–ด๋ชจ๋ธ(LLM)๊ณผ ๊ฒฐํ•ฉํ•ด, ์‚ฌ๋žŒ์˜ ๋ง์„ ์ง์ ‘ ๋“ฃ๊ณ  ์ดํ•ดํ•˜๋ฉฐ ์‘๋‹ตํ•˜๋Š” ์Œ์„ฑ ๋Œ€ํ™” ๋ชจ๋ธ์„ ์—ฐ๊ตฌํ•ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ๊ธฐ์ˆ ์€ AI Contact Center(AICC)๋ฟ ์•„๋‹ˆ๋ผ ์Œ์„ฑ ๋น„์„œ, ์ฐจ๋Ÿ‰ยท๊ฐ€์ „ ์ธํ„ฐํŽ˜์ด์Šค, ํšŒ์˜ ์ง€์›, ์–ดํ•™ ๊ต์œก ๋“ฑ ๋‹ค์–‘ํ•œ ์Œ์„ฑ ๊ธฐ๋ฐ˜ ์„œ๋น„์Šค๋กœ ํ™•์žฅ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด๋ฒˆ ์ธํ„ด ํ”„๋กœ๊ทธ๋žจ์—์„œ๋Š” ํŒ€์˜ ์—ฐ๊ตฌ์›๋“ค๊ณผ ํ•จ๊ป˜ SpeechLLM ์—ฐ๊ตฌ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋ฉฐ, ์•„์ด๋””์–ด๋ฅผ ์ง์ ‘ ๋ชจ๋ธ๋กœ ๊ตฌํ˜„ํ•˜๊ณ  ๊ฒ€์ฆํ•˜๋Š” ๊ณผ์ •์„ ๊ฒฝํ—˜ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. ์Œ์„ฑ๊ณผ ์–ธ์–ด๊ฐ€ ๋งŒ๋‚˜๋Š” ๋ฌธ์ œ์— ๊ด€์‹ฌ ์žˆ๋Š” ๋ถ„๋“ค์˜ ์ง€์›์„ ๊ธฐ๋‹ค๋ฆฝ๋‹ˆ๋‹ค.

ย ย 


์ˆ˜ํ–‰ ์—…๋ฌด

  • [ Pipeline ๋ฐฉ์‹ (Cascaded STTโ†’LLMโ†’TTS) ๊ธฐ๋ฐ˜ SpeechLLM ์—ฐ๊ตฌ ]
    - STT โ†’ LLM โ†’ TTS๋กœ ์ด์–ด์ง€๋Š” Cascaded ํŒŒ์ดํ”„๋ผ์ธ์˜ ์ŠคํŠธ๋ฆฌ๋ฐํ™” ๋ฐ Sub-Second ์ €์ง€์—ฐ ์ตœ์ ํ™” ์—ฐ๊ตฌ
    - VAD ๊ธฐ๋ฐ˜ Half-Duplex ํ„ด ๋ถ„ํ• ์˜ ํ•œ๊ณ„๋ฅผ ๊ฐœ์„ ํ•˜๋Š” VAD-Free / Chunk ๋‹จ์œ„ Micro-Turn ์ฒ˜๋ฆฌ ๊ธฐ๋ฒ• ์—ฐ๊ตฌ
    - ๋ชจ๋“ˆ ๊ฐ„ ์˜ค๋ฅ˜ ์ „ํŒŒ๋ฅผ ์ค„์ด๊ณ  Paralinguistic(๊ฐ์ •ยท์šด์œจ) ์ •๋ณด ์†์‹ค์„ ์™„ํ™”ํ•˜๋Š” ์ปจํ…์ŠคํŠธ ์ „๋‹ฌยท์ •๋ ฌ ๊ธฐ๋ฒ• ์—ฐ๊ตฌ
  • [ End-to-End Full-Duplex ๊ธฐ๋ฐ˜ SpeechLLM ์—ฐ๊ตฌ ]
    - Full-Duplex SpeechLLM ๋ชจ๋ธ ์•„ํ‚คํ…์ฒ˜ ์—ฐ๊ตฌ
    - ์ž์—ฐ์Šค๋Ÿฌ์šด Turn-Taking, Barge-in, Backchannel, ๋ฐœํ™” ๊ฒน์นจ ์ฒ˜๋ฆฌ ๋ฐ Stream Synchronization ๋ชจ๋ธ๋ง
    - Audio Encoderโ€“LLM ๊ฐ„ Modality Alignment ๋ฐ Speech Tokenizer / Neural Codec ์—ฐ๊ตฌ


์ง€์›์ž๊ฒฉ

  • ์„์‚ฌ ํ•™์œ„ ์ด์ƒ (6๊ฐœ์›” ์ด์ƒ ๊ทผ๋ฌด ๊ฐ€๋Šฅ์ž)
  • Cascaded(STTโ†’LLMโ†’TTS) SpeechLLM ์—ฐ๊ตฌ/๊ฐœ๋ฐœ ๊ฒฝํ—˜
  • Full-Duplex SpeechLLM ์—ฐ๊ตฌ/๊ฐœ๋ฐœ ๊ฒฝํ—˜
  • Turn-Taking, Barge-in, Backchannel ๋“ฑ ๋Œ€ํ™” ์ƒํ˜ธ์ž‘์šฉ ๋ชจ๋ธ๋ง ์—ฐ๊ตฌ ๊ฒฝํ—˜
  • Speech Tokenizer ๋ฐ Neural Codec ๊ธฐ๋ฐ˜ ์Œ์„ฑ ํ‘œํ˜„ ํ™œ์šฉ ๊ฒฝํ—˜
  • AI ๊ด€๋ จ Top-Tier ํ•™ํšŒ(ICASSP, Interspeech, ACL, EMNLP, NeurIPS, ICLR ๋“ฑ) ๋…ผ๋ฌธ ๋ฐœํ‘œ ๋˜๋Š” ์—ฐ๊ตฌ ์ฐธ์—ฌ ๊ฒฝํ—˜์ž ์šฐ๋Œ€


์ „๊ณต

  • ์ปดํ“จํ„ฐ๊ณตํ•™, ์ „์‚ฐํ•™, ์ „์ž๊ณตํ•™, ์‚ฐ์—…๊ณตํ•™


์ „ํ˜•์ ˆ์ฐจ

  • ์„œ๋ฅ˜์‹ฌ์‚ฌ โ†’ ์ฝ”๋”ฉํ…Œ์ŠคํŠธ โ†’ 1์ฐจ ์ง๋ฌด ์ธํ„ฐ๋ทฐ(์˜จ๋ผ์ธ)

* ์ „ํ˜• ์ ˆ์ฐจ๋Š” ๋ณ€๊ฒฝ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์„œ๋ฅ˜ ํ•ฉ๊ฒฉ ์‹œ ์ „ํ˜• ์ ˆ์ฐจ์— ๋Œ€ํ•ด ๋ณ„๋„๋กœ ์•ˆ๋‚ด ํ•ด ๋“œ๋ฆฝ๋‹ˆ๋‹ค.

Speech LLM Research Scientist Internship ยท LG AI Research

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