金子 孝夫

研究成果

年別の研究成果 1985 1996 1998 2000 2002 2003 2008

• 32 Article
• 8 Conference article
• 6 Conference contribution
• 1 Review article

年別の研究成果

年別の研究成果

検索結果

• 2005

  Quality assessment for extending ITU-T G.729 annexes

  Kurihara, S., Kataoka, A., Hayashi, S. & Kaneko, T., 2005 5月 1, In: Systems and Computers in Japan. 36, 5, p. 33-44 12 p.

  研究成果: Article › 査読

  • Quality Assessment 100%
  • Recommendations 49%
  • Speech coding 40%
  • Speech Coding 29%
  • Requirements 24%
• 2004

  Design of a robust LSP quantizer for a high-quality 4-kbit/s CELP speech coder

  Hiwasaki, Y., Mano, K., Yasunaga, K., Morii, T., Ehara, H. & Kaneko, T., 2004 6月, In: IEICE Transactions on Information and Systems. E87-D, 6, p. 1496-1506 11 p.

  研究成果: Article › 査読

  • Speech coding 100%
  2 被引用数 (Scopus)

• Noise post-processing for low bit-rate CELP coders

  Ehara, H., Yasunaga, K., Yoshida, K., Hiwasaki, Y., Mano, K. & Kaneko, T., 2004 6月, In: IEICE Transactions on Information and Systems. E87-D, 6, p. 1507-1516 10 p.

  研究成果: Article › 査読

  • Noise generators 100%
  • Speech coding 20%
  • Decoding 13%
  • Detectors 12%
  • Degradation 10%
• 2003

  An LPC vocoder based on phase-equalized pitch waveform

  Hiwasaki, Y., Mano, K. & Kaneko, T., 2003 5月 1, In: Speech Communication. 40, 3, p. 277-290 14 p.

  研究成果: Article › 査読

  • Waveform 100%
  • Speech 73%
  • Quantization 60%
  • Interpolation 51%
  • Filter 44%
  2 被引用数 (Scopus)

• Construction of a real-time music delivery system for IMT-2000 using twin VQ

  Mori, T., Kaneko, T., Iwakami, N., Moriya, T. & Ikeda, K., 2003 9月, In: Systems and Computers in Japan. 34, 10, p. 102-110 9 p.

  研究成果: Article › 査読

  • Music 100%
  • Real-time 87%
  • Decoding 65%
  • Coding 57%
  • Coding errors 55%

• Lossless scalable audio coding and quality enhancement

  Moriya, T., Jin, A., Mori, T., Ikeda, K. & Kaneko, T., 2003 3月, In: IEICE Transactions on Information and Systems. E86-D, 3, p. 425-429 5 p.

  研究成果: Article › 査読

  • Audio streaming 100%
  • Pulse code modulation 76%
  • Scalability 52%
  • Degradation 45%

• Network broadcast system using low bit-rate audio coding technology

  Kaneko, T., Miki, S., Moriya, T. & Iwakami, N., 2003 5月 1, In: Electronics and Communications in Japan, Part III: Fundamental Electronic Science (English translation of Denshi Tsushin Gakkai Ronbunshi). 86, 5, p. 89-102 14 p.

  研究成果: Article › 査読

  • Broadcasting 100%
  • Bandwidth 76%
  • Acoustic waves 38%
  • Local area networks 24%
  • Clocks 20%
  1 被引用数 (Scopus)
• 2002

  A system employing high-quality speech compression technology to produce voice on demand for visually handicapped persons

  Kaneko, T., Ohmuro, H. & Mano, K., 2002 11月 1, In: Electronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi). 85, 11, p. 56-70 15 p.

  研究成果: Article › 査読

  • receivers 100%
  • regeneration 67%
  • Voice/data communication systems 57%
  • coding 55%
  • evaluation 38%

• Lossless scalable audio coder and quality enhancement

  Moriya, T., Jin, A., Mori, T., Ikeda, K. & Kaneko, T., 2002, In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2, p. 1829-1832 4 p.

  研究成果: Article › 査読

  • Audio streaming 100%
  • Pulse code modulation 76%
  • Scalability 52%
  • Degradation 45%
  9 被引用数 (Scopus)
• 2001

  A real-time IMT-2000 audio transmission system

  Mori, T., Kaneko, T., Moriya, T. & Ikeda, K., 2001 11月, In: IEEE Transactions on Consumer Electronics. 47, 4, p. 858-864 7 p.

  研究成果: Article › 査読

  • Audio streaming 100%
  • Digital signal processors 35%
  • Broadcasting 33%
  • Cellular telephones 31%
  • Synchronization 25%
  3 被引用数 (Scopus)

• A Real-Time IMT-2000 Audio Transmission System

  Mori, T., Kaneko, T., Moriya, T. & Ikeda, K., 2001 11月, In: IEEE Transactions on Consumer Electronics. 47, 4, p. 860-866 7 p.

  研究成果: Article › 査読

  • Audio streaming 100%
  • Digital signal processors 35%
  • Broadcasting 33%
  • Cellular telephones 31%

• A remote auscultation support system using network

  Kaneko, T., Moriya, T. & Iwakami, N., 2001 8月, In: IEICE Transactions on Information and Systems. E84-D, 8, p. 1102-1111 10 p.

  研究成果: Article › 査読

  • Acoustic waves 100%
  • Electronic mail 10%
  • Deterioration 8%
  • Wireless networks 7%
  • Display devices 7%
• 2000

  Analog standard cells for A-D and D-A converters with Δ-∑ modulators

  Kaneko, T., 2000 1月 1, In: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E82-A, 2, p. 252-260 9 p.

  研究成果: Article › 査読

  • Modulator 100%
  • Converter 92%
  • Modulators 69%
  • Wire 50%
  • Cell 50%

• Card-sized portable audio player using high quality audio coding technology Twin VQ

  Takahashi, T., Morita, T., Shimoda, T., Kaneko, T. & Moriya, T., 2000 8月, In: IEEE Transactions on Consumer Electronics. 46, 3, p. 907-913 7 p.

  研究成果: Article › 査読

  • Lithium-ion batteries 100%
  • Standardization 88%
  • Decoding 79%
  • Acoustic waves 73%
  • Electric power utilization 68%
  1 被引用数 (Scopus)

• Speech/audio coding technologies and their applications

  Kaneko, T., 2000 1月 1, In: NTT R and D. 49, 3, p. 158-164 7 p.

  研究成果: Article › 査読

  • Internet 100%
  • Multimedia signal processing 83%
  • Speech coding 64%
  • Firmware 59%
  • Multimedia services 57%
• 1998

  Audio transfer system on phs using error-protected stereo twin vq

  Ikeda, K., Mori, T., Moriya, T., Iwakami, N. & Kaneko, T., 1998, In: IEEE Transactions on Consumer Electronics. 44, 3, p. 1032-1038 7 p.

  研究成果: Article › 査読

  • Radio transmission 100%
  • Vector quantization 90%

• Comparison of two speech and audio coders at 8 kb/s from the viewpoints of coding scheme and quality

  Kitawaki, N., Moriya, T., Kaneko, T. & Iwakami, N., 1998, In: IEICE Transactions on Communications. E81-B, 11, p. 2007-2011 5 p.

  研究成果: Article › 査読

  • Vector quantization 100%
  • Internet 40%
  • Speech coding 39%
  • Communication 29%
  2 被引用数 (Scopus)

• DualSpeech applications: DualSpeech/DATA and DualSpeech/MAIL

  Ohmuro, H., Kato, S., Kaneko, T., Hirokawa, T., Mano, K. & Kaneko, T., 1998, In: NTT R and D. 47, 5, p. 555-559 5 p.

  研究成果: Article › 査読

  • Communication 100%
  • Internet 54%
  • Speech communication 50%
  • Voice/data communication systems 47%
  • Multimedia services 46%
  1 被引用数 (Scopus)

• Internet audio technologies and application services: Real-time music transmission and distribution by TwinVQ

  Kaneko, T., Miki, S., Nishi, T. & Sato, K., 1998 11月 1, In: NTT Review. 10, 6, p. 119-123 5 p.

  研究成果: Article › 査読

  • Deterioration 100%
  • Acoustic waves 87%
  • Internet 75%
  • Bandwidth 69%

• Speech Codec for Multimedia Services and Speech Coding Software: DualSpeech

  Kaneko, T. & Nishino, Y., 1998 12月 1, In: NTT R and D. 47, 5, p. 541-548 8 p.

  研究成果: Article › 査読

  • Speech coding 100%
  • Multimedia services 89%
  • Internet 25%
  • Personal computers 24%
  • Multimedia signal processing 21%
  1 被引用数 (Scopus)
• 1996

  A 1-V multithreshold-voltage CMOS digital signal processor for mobile phone application

  Mutoh, S., Shigematsu, S., Matsuya, Y., Fukuda, H., Kaneko, T. & Yamada, J., 1996 11月, In: IEEE Journal of Solid-State Circuits. 31, 11, p. 1795-1802 8 p.

  研究成果: Article › 査読

  • Threshold voltage 100%
  • Digital signal processors 99%
  • Cellular telephones 87%
  • Power management 65%
  • Electric potential 46%
  59 被引用数 (Scopus)

• Applied services using twinVQ audio-coding method

  Miki, S., Moriya, T., Iwakami, N. & Kaneko, T., 1996 12月 1, In: NTT R and D. 45, 12, p. 1249-1252 4 p.

  研究成果: Article › 査読

  • Vector quantization 100%
  • Telecommunication 85%
  1 被引用数 (Scopus)

• CS-ACELP speech coding board and application systems

  Kaneko, T., Kataoka, A., Hayashi, S. & Moriya, T., 1996 7月 1, In: NTT Review. 8, 4, p. 42-47 6 p.

  研究成果: Article › 査読

  • Speech coding 100%
  • Digital signal processors 82%
  • Time division multiplexing 48%
  • Voice/data communication systems 45%
  • Personal computers 37%

• CS-ACELP speech coding board and application systems

  Kaneko, T., Kataoka, A., Hayashi, S. & Moriya, T., 1996 12月 1, In: NTT R and D. 45, 4, p. 343-348 6 p.

  研究成果: Article › 査読

  • Speech coding 100%
  • Digital signal processors 82%
  • Telecommunication 72%
  • Time division multiplexing 48%
  • Voice/data communication systems 45%

• Error-protection technique for twinVQ audio-coding method

  Ikeda, K., Moriya, T., Iwakami, N. & Kaneko, T., 1996 12月 1, In: NTT R and D. 45, 12, p. 1253-1260 8 p.

  研究成果: Article › 査読

  • Error detection 100%
  • Error correction 95%
  • Packet loss 90%
  • Decoding 77%
  • Internet 61%
  1 被引用数 (Scopus)

• ITU-T 8-kbit/s speech coding standard (CS-ACELP)

  Hayashi, S., Kataoka, A. & Kaneko, T., 1996 3月 1, In: NTT Review. 8, 2, p. 72-76 5 p.

  研究成果: Article › 査読

  • Speech coding 100%
  • Mobile telecommunication systems 43%

• Quality assessment of CS-ACELP

  Hayashi, S., Kataoka, A., Moriya, T. & Kaneko, T., 1996 12月 1, In: NTT R and D. 45, 4, p. 337-342 6 p.

  研究成果: Article › 査読

  • Differential pulse code modulation 100%
  • Speech coding 43%
  • Telephone 34%
  • Telecommunication 31%
  1 被引用数 (Scopus)

• Speech quality assessment of CS-ACELP

  Hayashi, S., Kataoka, A., Moriya, T. & Kaneko, T., 1996 7月 1, In: NTT Review. 8, 4, p. 36-41 6 p.

  研究成果: Article › 査読

  • Differential pulse code modulation 100%
  • Speech coding 43%
  • Telephone 34%
  • Telecommunication 31%
• 1994

  PSI-CELP speech coder for mobile communications

  Moriya, T., Kaneko, T. & Kitawaki, N., 1994 1月 1, In: NTT Review. 6, 1, p. 97-100 4 p.

  研究成果: Article › 査読

  • Speech coding 100%
  • Telecommunication systems 93%
  • Mobile telecommunication systems 87%
  • Communication 76%
• 1988

  DIGITAL SPEECH SIGNAL PROCESSOR VLSI: DSSP 1.

  Kaneko, T., Yamauchi, H. & Iwata, A., 1988 1月 1, In: Review of the Electrical Communications Laboratories. 36, 4, p. 427-432 6 p.

  研究成果: Article › 査読

  • ROM 100%
  • Random access storage 87%

• DIGITAL SPEECH SIGNAL PROCESSOR VLSI: DSSP1.

  Kaneko, T., Yamauchi, H., Iwata, A. & Matsuya, Y., 1988 1月 1, In: Denki Tsushin Kenkyujo kenkyu jitsuyoka hokoku. 37, 4-5, p. 305-311 7 p.

  研究成果: Article › 査読

  • ROM 100%
  • Random access storage 87%
  • Communication 40%
• 1985

  DESIGN TECHNIQUES FOR MULTIPLEXED SWITCHED CAPACITOR FILTERS.

  Kaneko, T., Kikuchi, H. & Iwata, A., 1985 1月 1, In: Electronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi). 68, 1, p. 87-96 10 p.

  研究成果: Article › 査読

  • Switched capacitor filters 100%
  • capacitors 58%
  • filters 48%
  • self consistent fields 34%
  • transfer functions 33%