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Endpoint Submix

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์ •์˜

Unreal Engine ๋‚ด๋ถ€์—์„œ Audio Signal์„ ๊ธฐ๋ณธ Master
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Sound Submix
๋กœ ๋ณด๋‚ด์ง€ ์•Š๊ณ  ์™ธ๋ถ€ Hardware ์žฅ์น˜๋‚˜ Network Protocol ๋“ฑ ์ง€์ •๋œ ํŠน์ˆ˜ ์ข…์ฐฉ์ง€๋กœ ์ง์ ‘ ์†ก์ถœํ•˜๋Š” ๋…๋ฆฝ์ ์ธ Audio Routing Asset์ด๋‹ค.

์„ค๋ช…

๊ณผ๊ฑฐ Game Engine์˜ Audio System์€ ๋ชจ๋“  ์†Œ๋ฆฌ๊ฐ€ ๋ฌด์กฐ๊ฑด ํ•˜๋‚˜์˜ Master ์ถœ๋ ฅ์œผ๋กœ๋งŒ ๋ชจ์ด๋Š” ๊ฒฝ์ง๋œ ๊ตฌ์กฐ๋ฅผ ๊ฐ€์ ธ Voice Communication์ด๋‚˜ ๋‹ค์ค‘ ์ถœ๋ ฅ Hardware๋ฅผ ์ œ์–ดํ•˜๊ธฐ๊ฐ€ ๊ทน๋„๋กœ ์–ด๋ ค์› ๋‹ค. Epic Games๋Š” Audio Engine์„ ํ˜„๋Œ€ํ™”ํ•˜๋ฉด์„œ ์ด ๋ฌผ๋ฆฌ์ ์ธ ํ•œ๊ณ„๋ฅผ ๋ŒํŒŒํ•˜๊ธฐ ์œ„ํ•ด ์˜ค๋””์˜ค ํŠธ๋ฆฌ ๊ตฌ์กฐ๋ฅผ ์ž„์˜๋กœ ๋Š์–ด๋‚ด๊ณ  ํŠน์ • ๋ฌถ์Œ์˜ ์†Œ๋ฆฌ๋ฅผ ์™ธ๋ถ€๋กœ ๋นผ๋Œ๋ฆด ์ˆ˜ ์žˆ๋Š” ์‹œ์Šคํ…œ์„ ์ „๊ฒฉ ๋„์ž…ํ–ˆ๋‹ค. ํ˜„์—… Pipeline์—์„œ๋Š” ํƒ€์‚ฌ ํ†ต์‹  SDK์™€ ์—ฐ๋™ํ•˜๊ฑฐ๋‚˜ Gamepad์— ๋‚ด์žฅ๋œ
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Speaker
๋กœ ํŠน์ • ํšจ๊ณผ์Œ์„ ๋ถ„๋ฆฌ ์†ก์ถœํ•  ๋•Œ ์ด Asset์„ ํ•„์ˆ˜์ ์ธ ์—ฐ๊ฒฐ ๊ต๋‘๋ณด๋กœ ์‚ฌ์šฉํ•œ๋‹ค. Audio Signal์ด Main ์Šคํ”ผ์ปค์™€ ์„ž์ด์ง€ ์•Š์œผ๋ฏ€๋กœ ๋ฐฉ์†ก์šฉ Stem Audio๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ถ„๋ฆฌํ•˜์—ฌ ์ถ”์ถœํ•˜๋Š” ๋ณต์žกํ•œ Routing ์„ค๊ณ„๋„ ์™„๋ฒฝํ•˜๊ฒŒ ์ง€์›ํ•œ๋‹ค.

์›๋ฆฌ

  1. Master Routing ์šฐํšŒ
    1. ์ž์‹ ์—๊ฒŒ ๋“ค์–ด์˜จ Audio Signal์„ ์ƒ์œ„ ๋ถ€๋ชจ Submix๋‚˜ Master Submix๋กœ ์ „๋‹ฌํ•˜๋Š” ์—ฐ๊ฒฐ ๊ณ ๋ฆฌ๋ฅผ ์‹œ์Šคํ…œ ์ฐจ์›์—์„œ ์ฐจ๋‹จํ•˜์—ฌ Main ์Šคํ”ผ์ปค์—์„œ ํ•ด๋‹น ์†Œ๋ฆฌ๊ฐ€ ์ถœ๋ ฅ๋˜๋Š” ๊ฒƒ์„ ๋ฌผ๋ฆฌ์ ์œผ๋กœ ๋ฐฉ์–ดํ•œ๋‹ค.
  1. Custom Device ํ• ๋‹น
    1. ์šด์˜์ฒด์ œ๊ฐ€ ์ธ์‹ํ•˜๋Š” ๊ธฐ๋ณธ Audio ์ถœ๋ ฅ ์žฅ์น˜ ๋Œ€์‹  Controller Speaker๋‚˜ ๊ฐ€์ƒ Audio Cable ๋“ฑ ๊ฐœ๋ฐœ์ž๊ฐ€ ์ง€์ •ํ•œ ํŠน์ • Hardware๋‚˜ Software ์žฅ์น˜๋กœ
      ๐Ÿ“„
      Buffer
      ๋ฅผ ์ง์ ‘ ๋ฐ€์–ด ๋„ฃ๋Š”๋‹ค.
  1. Format Transcoding ์—ฐ์‚ฐ
    1. Engine ๋‚ด๋ถ€์—์„œ ์‚ฌ์šฉํ•˜๋Š” 32 Bit Float ํ˜•์‹์˜ Audio Data๋ฅผ ํƒ€๊ฒŸ ์žฅ์น˜๊ฐ€ ์š”๊ตฌํ•˜๋Š”
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      Sample Rate
      ๋ฐ
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      Bit Depth
      ๊ทœ๊ฒฉ์— ๋งž์ถฐ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ์ฒ˜๋ฆฌ๋ฅผ ์ˆ˜ํ–‰ํ•œ๋‹ค.
  1. ๋น„๋™๊ธฐ Buffer ์ „์†ก
    1. ์™ธ๋ถ€ ์žฅ์น˜๋‚˜ Network๋กœ Data๋ฅผ ๋„˜๊ธธ ๋•Œ ๋ฐœ์ƒํ•˜๋Š” ์ง€์—ฐ ์‹œ๊ฐ„์ด Engine์˜ Main Audio Rendering ์Šค๋ ˆ๋“œ๋ฅผ ๋ฉˆ์ถ”์ง€ ์•Š๋„๋ก ๋ณ„๋„์˜ ๋น„๋™๊ธฐ ์Šค๋ ˆ๋“œ์—์„œ ์ „์†ก์„ ๊ด€๋ฆฌํ•˜์—ฌ ํผํฌ๋จผ์Šค ์ €ํ•˜๋ฅผ ์ฐจ๋‹จํ•œ๋‹ค.

๊ตฌ์กฐ

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์˜ˆ์‹œ

Voice Chat Plugin ์—ฐ๋™

๋ฉ€ํ‹ฐํ”Œ๋ ˆ์ด์–ด Game์—์„œ Player๋“ค์˜ ์Œ์„ฑ Data๋ฅผ ์™ธ๋ถ€ ํ†ต์‹  SDK๋กœ ๋ณด๋‚ผ ๋•Œ ์‚ฌ์šฉํ•œ๋‹ค. ๋งˆ์ดํฌ ์ž…๋ ฅ๊ณผ ์ƒ๋Œ€๋ฐฉ ์Œ์„ฑ์„ ์ฒ˜๋ฆฌํ•˜๋Š” Audio Component๋ฅผ ์ด Asset์— ์—ฐ๊ฒฐํ•˜์—ฌ Game์˜ ํญ๋ฐœ์Œ์ด๋‚˜ ๋ฐฐ๊ฒฝ ์Œ์•…๊ณผ ์„ž์ด์ง€ ์•Š๊ณ  ์ˆœ์ˆ˜ํ•œ ์Œ์„ฑ Data๋งŒ Network๋กœ ์†ก์ถœํ•˜๊ณ  ์ˆ˜์‹ ํ•˜๋Š” ๋…๋ฆฝ์ ์ธ ํ†ต์‹  Pipeline์„ ๊ตฌ์ถ•ํ•œ๋‹ค.

Gamepad Speaker ๋ถ„๋ฆฌ ์ถœ๋ ฅ

Console Game ๊ฐœ๋ฐœ ์‹œ ๋ฌด์ „๊ธฐ ์†Œ๋ฆฌ๋‚˜ ํŠน์ˆ˜ํ•œ UI ์•Œ๋ฆผ์Œ์„ ํ…”๋ ˆ๋น„์ „ ์Šคํ”ผ์ปค๊ฐ€ ์•„๋‹Œ Player๊ฐ€ ์†์— ์ฅ” Controller์˜ ๋‚ด์žฅ ์Šคํ”ผ์ปค๋กœ๋งŒ ์ถœ๋ ฅํ•˜๋„๋ก ์„ค๊ณ„ํ•œ๋‹ค. ํ•ด๋‹น Audio Event์˜ ์ถœ๋ ฅ ๋Œ€์ƒ์„ Gamepad ์ „์šฉ์œผ๋กœ ์ƒ์„ฑ๋œ Asset์œผ๋กœ ์ง€์ •ํ•˜์—ฌ Player์—๊ฒŒ ๋ฌผ๋ฆฌ์ ์œผ๋กœ ๋” ๊ฐ€๊น๊ณ  ์ž…์ฒด์ ์ธ ์ฒญ๊ฐ์  ํ”ผ๋“œ๋ฐฑ์„ ์ „๋‹ฌํ•œ๋‹ค.

Live Broadcasting ๋‹ค์ค‘ ํŠธ๋ž™ ์ „์†ก

E-Sports ์ค‘๊ณ„ ํ™˜๊ฒฝ์ด๋‚˜ ๋ณต์žกํ•œ ๋Ÿฐํƒ€์ž„ Audio ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ํ™˜๊ฒฝ์—์„œ Music SFX Dialogue๋ฅผ ๊ฐ๊ฐ ๋ณ„๋„์˜ Endpoint Submix๋กœ ๋ฌถ์–ด ํ• ๋‹นํ•œ๋‹ค. ๋ฐฉ์†ก์šฉ Audio Interface์˜ ์„œ๋กœ ๋‹ค๋ฅธ ๋ฌผ๋ฆฌ์  ์ถœ๋ ฅ ํฌํŠธ๋กœ ๊ฐ Stem์„ ๋…๋ฆฝ์ ์œผ๋กœ ์˜์•„ ๋ณด๋‚ด์–ด ์™ธ๋ถ€ Hardware Mixing Console์—์„œ ํ˜„์žฅ ์ƒํ™ฉ์— ๋งž์ถฐ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์Œํ–ฅ ๋ฐธ๋Ÿฐ์Šค๋ฅผ ์ œ์–ดํ•˜๋Š” ํ”„๋กœ๋•์…˜ ํ™˜๊ฒฝ์„ ์™„์„ฑํ•œ๋‹ค.
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