ユーザ負担のない話者・環境適応性を実現する自然な音声対話処理技術

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1

2

3 DSP

4 DSP

5

6 Julius H18 H16 H19

7

8 / (2003.3) ( ) Julian( )

9 JNAS,.,. CSRC,..,..

10 /2,800msecshort reject

11

12

13 Julius #Downloads per month Julius 4.

14

15 NAM BSSA

16 H17

17 (NAM) (NAM) NAM NAM

18 NAM

19

20 Bluetooth Bluetooth 2

21 Earphone Microphone

22 SIMO-Model Accuracy [db] FDICA-PB MS-SIMO-ICA Proposed SG Proposed SIMO-ICA-SG 1 FDICA-PB MS-SIMO-ICA Output 1 Output 1 Input Output 2 Output Direction of source 2 θ 2 [deg] Output 1 Output 2

23 SIMO-ICA IEEE/RSJ (IROS2005) Best Application Paper Award IEEE MLSP2007 Data Analysis Competition Winner on Nonlinear Separation

24 User s Speech Noise F F T X J X j ( f,τ ) ( f,τ ) Phase Compensation θ U FD- ICA Y DS ( f,τ ) User Primary Path 0 Noise Mel-Scale Filter Bank PB E j E J ( f,τ ) ( f,τ ) + Spectral Subtract Reference Path m( l,τ ) θ U - Z ( f ICA,τ ) BSS m( L,τ ) Log Transform and DCT Mel-Scale Filter Bank MFCC ( n, τ )

25 8 9 % BSSA

26

27

28 HMM Alan Black CMU) Blizzard Challenge Evaluating corpus-based speech synthesis on common data sets

29 The Blizzard Challenge Speech experts Volunteers HTS STRAIGHT Global Variance US undergraduates

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31

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