Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
LINEヤフーの音声AIがもたらす未来:ASR/TTSと対話技術の新たな可能性 / LY Co...
Search
LINEヤフーTech (LY Corporation Tech)
PRO
July 01, 2025
Technology
0
180
LINEヤフーの音声AIがもたらす未来:ASR/TTSと対話技術の新たな可能性 / LY Corporation's Speech AI Vision: Towards Realtime Spoken Dialogue through Advanced ASR and TTS
LINEヤフーの音声認識と音声合成技術を活用した応用事例と、近年注目されているLLM基盤のリアルタイム音声対話技術の自社の取り組みについて紹介します。
LINEヤフーTech (LY Corporation Tech)
PRO
July 01, 2025
Tweet
Share
More Decks by LINEヤフーTech (LY Corporation Tech)
See All by LINEヤフーTech (LY Corporation Tech)
ガイドラインを軸にしたウェブアクセシビリティ改善
lycorptech_jp
PRO
1
78
ML PM Talk #1 - ML PMの分類に関する考察
lycorptech_jp
PRO
1
610
Yahoo! JAPANトップページ〜アクセシビリティのせかいをつなぐ〜
lycorptech_jp
PRO
0
38
AI活用によるPRレビュー改善の歩み ― 社内全体に広がる学びと実践
lycorptech_jp
PRO
1
130
JSConf JP 2025 LINEヤフーのセッション紹介&アンケート 結果発表
lycorptech_jp
PRO
0
130
LINEヤフー バックエンド組織・体制の紹介
lycorptech_jp
PRO
0
900
Service Monitoring Platformについて
lycorptech_jp
PRO
0
440
LINEギフト・LINEコマース領域の開発
lycorptech_jp
PRO
0
490
LINEスキマニ/LINEバイトにおけるバックエンド開発
lycorptech_jp
PRO
0
500
Other Decks in Technology
See All in Technology
私のRails開発環境
yahonda
0
190
Oracle Cloud Infrastructure:2025年11月度サービス・アップデート
oracle4engineer
PRO
1
140
Noを伝える技術2025: 爆速合意形成のためのNICOフレームワーク速習 #pmconf2025
aki_iinuma
2
1.6k
Oracle Database@AWS:サービス概要のご紹介
oracle4engineer
PRO
0
130
技術以外の世界に『越境』しエンジニアとして進化を遂げる 〜Kotlinへの愛とDevHRとしての挑戦を添えて〜
subroh0508
1
260
Security Diaries of an Open Source IAM
ahus1
0
120
ブロックテーマとこれからの WordPress サイト制作 / Toyama WordPress Meetup Vol.81
torounit
0
350
pmconf2025 - 他社事例を"自社仕様化"する技術_iRAFT法
daichi_yamashita
0
630
名刺メーカーDevグループ 紹介資料
sansan33
PRO
0
980
Agentic AI Patterns and Anti-Patterns
glaforge
1
130
原理から解き明かす AIと人間の成長 - Progate BAR
teba_eleven
2
300
pmconf2025 - データを活用し「価値」へ繋げる
glorypulse
0
540
Featured
See All Featured
Bootstrapping a Software Product
garrettdimon
PRO
307
120k
Practical Orchestrator
shlominoach
190
11k
Testing 201, or: Great Expectations
jmmastey
46
7.8k
Fireside Chat
paigeccino
41
3.7k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
253
22k
KATA
mclloyd
PRO
32
15k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.2k
Building a Modern Day E-commerce SEO Strategy
aleyda
45
8.3k
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.5k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.8k
Transcript
-:$PSQPSBUJPOT4QFFDI"*7JTJPO 5PXBSET3FBMUJNF4QFFDIUP4QFFDI UISPVHI"EWBODFE"43BOE554 4QFFDIBOE"DPVTUJD"*%FQU %BUB4DJFODF(SPVQ +VNQFJ .JZBLF 5BJLJ,JOPTIJUB -*/&ϠϑʔͷԻ"*͕ͨΒ͢ະདྷɿ"43554ͱରٕज़ͷ৽ͨͳՄೳੑ
"HFOEB -:$PSQPSBUJPO`T4QFFDI"* -*/&ϠϑʔͷԻ"*ʹ͍ͭͯ -:$PSQPSBUJPO`T"43554 -*/&ϠϑʔͷԻೝࣝɾԻ߹ͷհ 3FBMUJNF4QFFDIUP4QFFDI ϦΞϧλΠϜ4QFFDIUP4QFFDIٕज़։ൃͷऔΓΈʹ͍ͭͯ
'VUVSF8PSLT ࠓޙͷల
-:$PSQPSBUJPO`T4QFFDI"* -*/&ϠϑʔͷԻ"*ʹ͍ͭͯ 7JEFPBOE"VEJP $POUFOU"OBMZTJT 4QFFDI 3FDPHOJUJPO 4QFFDI (FOFSBUJPO 7JEFP"VEJP$POUFOUT $BMM$FOUFS
.FFUJOH 7PJDF6TFS*OUFSGBDF 7JEFP"VEJP$POUFOUBOE$BMM"OBMZTJT ࣸਅૉࡐఏڙΞϑϩ
-*/&ϠϑʔͷԻೝࣝͱԻ߹ͷհ *OUSPEVDUJPOPG -:$PSQPSBUJPO`T"43554 "43"VUPNBUJD4QFFDI3FDPHOJUJPO 5545FYU5P4QFFDI
:+70*$&4USFBNJOH"43 :+70*$&ετϦʔϛϯάԻೝࣝ &GGJDJFOUMZBEBQUTUPUBSHFUEPNBJOT • "TUSBUFHZCBTFEPODPNQBDUNPEFMTXJUIPVU FYUFSOBMMBOHVBHFNPEFMT • %PNBJOBEBQUBUJPOXJUIPVUUBSHFUBVEJPEBUB 1BJSFETQFFDIUFYUEBUB 6OQBJSFEUFYUEBUB
#BTF.PEFM "EBQUBUJPO .PEFM 4QFFDI 5FYU 5FYU #PPTUTQISBTFXJUIVTFSEJDUJPOBSJFT 4QFFDI 3FDPHOJUJPO 8PVMEZPV MJLFUPTUBSU UIFOBWJHBUJPO WJBUIJTSPVUF 4FSWJDF4QFDJGJD %JDUJPOBSZ :FT /P 1SJPSJUJ[FFYQSFTTXBZT 1SJPSJUJ[FHFOFSBMSPBET ʷ :FBTU ˠ ˓ :FT ʷ ,OPX ˠ ˓ /P ʷ 1SJPSJUJ[FHFOFSBMMPBET ˣ ˓ 1SJPSJUJ[FHFOFSBM SPBET 3FTPMWFTIPNPOZNT ຊ ڮ χ ϗ ϯ ό γ · Ͱ Ϛ σ ͷ ϊʜ 4VSGBDF 3FBE 4VSGBDF 3FBE &OEUP&OE "43 4QFFDI • JF ɾຊڮ χϗϯόγ JTBMPDBUJPOJO5PLZP ɾຊڮ χοϙϯόγ JTBMPDBUJPOJO0TBLB • +PJOUQSFEJDUJPOPGCPUITVSGBDFBOESFBEJOH ಉදهҟԻޠ ޮతͳυϝΠϯదԠ ಈతϢʔβࣙॻʹΑΔϑϨʔζೝࣝڧԽ ˞"CPVU'FBUVSF 'FBUVSF)JHIBDDVSBDZGPSXFCTFBSDIBOE-:$PSQPSBUJPOEPNBJO 'FBUVSF 3FTPMWFTIPNPOZNTBOEDVTUPNJ[FTFBTJMZ 'FBUVSF1SPWJEFT8FC"1*BOEPOEFWJDFNPEVMFT
"DIPSJT&YQSFTTJWF554 "DIPSJT දݱྗ͕๛͔ͳԻ߹ 'FBUVSF$POUSPMFNPUJPOJOUFOTJUZXJUIFYQSFTTJPOTUZMFT 'FBUVSF QSFTFUTQFBLFSPQUJPOTXJUIIVNBOMJLFRVBMJUZ 'FBUVSF1SPWJEFT8FC"1* POEFWJDFNPEVMFTBOEFEJUJOHXFCUPPMT "DIPSJT &EJUPS5FYUUPTQFFDIFEJUJOHUPPM
"DIPSJT &YQSFTTJWFUFYUUPTQFFDI $POUSPM0WFS4QFBLFS &NPUJPO BOE*OUFOTJUZ
ԻೝࣝͷαʔϏε׆༻ࣄྫ • :BIPP +"1"/"QQ`T7PJDF4FBSDI • 7PJDF4FBSDIJTJNQMFNFOUFEJONPTU:BIPP+"1"/4FSWJDFT JFTFSWJDFTJODMVEJOH.BQT 5SBOTJU BOETIPQQJOH :BIPP+"1"/"QQ
J04"OESPJE &YBNQMFTPG"QQMJDBUJPO
Ի߹ͷαʔϏε׆༻ࣄྫ • /BWJHBUJPOWPJDFJO:BIPP+"1"/$BS/BWJHBUJPO"QQ • 0O%FWJDF/FVSBM5FYU5P4QFFDI&OHJOF DBMMFEl"DIPSJT -JUFz • (FOFSBUFBTFDPOEBVEJPXBWFGPSNJO
TFDPOET ˎ 3FBM5JNF'BDUPS 35' JTJOJ1IPOF • 5PNJOJNJ[FBQQTJ[F XFWFJNQMFNFOUFE WBSJPVTPQUJNJ[BUJPOTJOCPUIJOGFSFODFMJCSBSJFTBOENPEFMTJ[F :BIPP+"1"/$BS/BWJHBUJPO"QQ &YBNQMFTPG"QQMJDBUJPO
"MBCBQQGPSSFBMUJNFTQPLFOEJBMPHVF CBTFEPOB--. VOEFSEFWFMPQJOH IUUQTXXXMZDPSQDPKQKBUFDIOPMPHZEFTJHOMBCT &YBNQMFTPG"QQMJDBUJPO ϦΞϧλΠϜԻରͷ࣮ݧΞϓϦ ։ൃத
ϦΞϧλΠϜ4QFFDIUP4QFFDIٕज़։ൃͷऔΓΈ 3FBMUJNF4QFFDIUP4QFFDI
3FBMUJNF4QFFDIUP4QFFDI5SFOE ϦΞϧλΠϜ4QFFDIUP4QFFDIͷٕज़ಈ IUUQTPQFOBJDPNKB+1DIBUHQUPWFSWJFX IUUQTHFNJOJHPPHMFPWFSWJFXHFNJOJMJWF IUUQTNPTIJDIBU IUUQTOVEJBMPHVFHJUIVCJPKNPTIJ
0QFO"* $IBU(15 "EWBODFE7PJDF.PEF ,ZVUBJ .PTIJ /BHPZBVOJW +.PTIJ (PPHMF (FNJOJ-JWF
4QFFDIUP4QFFDI"SDIJUFDUVSF 4QFFDIUP4QFFDIͷϞσϧߏ -BSHF-BOHVBHF.PEFM 5FYU(VJEFE4QFFDI (FOFSBUJPO Low-latency speech generation using audio
tokens or a streaming TTS module "VEJP"EBQUFS 4QFFDI &ODPEFS .PEBMJUZBMJHONFOU CFUXFFOUFYUBOEBVEJP 1SPNQU 4QFFDI 4JOHMF4USFBN 6TFSTTQFFDIPOMZ .VMUJ4USFBN 6TFSTTQFFDI --.HFOFSBUFETQFFDI
1SPTPG*OUFHSBUJOH4QFFDI&ODPEFS XJUI--.T Իͱ--.Tͷ౷߹ʹΑΔར -FWFSBHF--. $BQBCJMJUJFT 1SPNQU%SJWFO 'MFYJCJMJUZ #ZQBTT "43&SSPST --.ͷߴͳج൫ೳྗͷ׆༻
ϓϩϯϓτʹΑΔߴ͍ΧελϚΠζੑ ԻೝࣝޡΓͷӨڹΛճආ
&WBMVBUJPOPG5BTL1FSGPSNBODF 4QFFDI--.ͷλεΫੑೳͷධՁ JOQVU +42V"% 2VFTUJPO"OTXFS DIBS@G "-5 5SBOTMBUJPOGSPNKQ UPFO
#FSU4DPSF (SPVOEUSVUIUFYU UFYUUPUFYU 5SBOTDSJCFEUFYU UFYUUPUFYU 4QFFDI TQFFDIUPUFYU --.HFNNBCJU "43NPEFMXIJTQFSTNBMM 4QFFDI&ODPEFSXIJTQFSTNBMM 5SBJOJOH5PPMLJU4-".--. &WBMVBUJPO5PPMLJUMMNKQFWBM 4-".--.IUUQTHJUIVCDPN9-"/$&4-".--. MMNKQFWBMIUUQTHJUIVCDPNMMNKQMMNKQFWBM $PNQBSBCMF QFSGPSNBODFPO USBOTMBUJPO UBTL #FUUFS QFSGPSNBODFPO 2"UBTL
&WBMVBUJPOPG*OGFSFODF4QFFE ਪͷධՁ 0 10 20 30 40 50
60 vllm slam-llm (transformers) Generated Characters per Second W--.,XPO 8PPTVL FUBM&GGJDJFOUNFNPSZNBOBHFNFOUGPSMBSHFMBOHVBHFNPEFMTFSWJOHXJUIQBHFEBUUFOUJPO1SPDFFEJOHTPGUIFUI4ZNQPTJVNPO0QFSBUJOH4ZTUFNT1SJODJQMFT 'BTUFS YGBTUFS (FOFSBUFT)PXDBO*IFMQZPVUPEBZ JOTFDPOET /VNCFSPG5PLFOT
'VUVSF8PSLT ࠓޙͷల 8FBSFEFWFMPQJOH • 3FBMUJNF4QFFDIUP4QFFDI JOUFHSBUJPOXJUI--. • .VMUJMJOHVBM4QFFDI5P5FYU5FYU5P4QFFDI 7PJDF$POUSPMJOB$BS )VNBOMJLFBOE/BUVSBM
$POWFSTBUJPOBM4FBSDI 4QPLFO%JBMPHVFWJB$BMM "*"HFOU 03 4FBSDI 8FBUIFS 1PEDBTU "*"HFOU "*"HFOU "*"HFOU
EOP