| Speech signal transmitting and receiving apparatus with noise sensitive volume control K Katayanagi, K Odaka, M Nishiguchi US Patent 5,732,390, 1998 | 277 | 1998 |
| Voice encoding method and voice decoding method M Nishiguchi, R Wakatsuki, J Matsumoto, S Ono US Patent 5,473,727, 1995 | 109 | 1995 |
| Method and apparatus for encoding voice signals divided into a plurality of frequency bands Y Fujiwara, T Umezawa, M Nishiguchi, M Akune, N Iwahashi, K Akagiri US Patent 5,115,240, 1992 | 96 | 1992 |
| Audio band width extending system and method S Ohmori, M Nishiguchi US Patent 5,950,153, 1999 | 94 | 1999 |
| Voice encoding method and apparatus using modified discrete cosine transform J Matsumoto, S Omori, M Nishiguchi, K Iijima US Patent 5,819,212, 1998 | 87 | 1998 |
| Voice analysis-synthesis method using noise having diffusion which varies with frequency band to modify predicted phases of transmitted pitch data blocks M Nishiguchi, J Matsumoto, S Ono US Patent 5,878,388, 1999 | 86 | 1999 |
| Audio signal reproducing apparatus M Nishiguchi, Y Fujiwara US Patent 5,640,458, 1997 | 86 | 1997 |
| Method and device for discriminating voiced and unvoiced sounds M Nishiguchi, J Matsumoto US Patent 5,809,455, 1998 | 82 | 1998 |
| Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal J Matsumoto, M Nishiguchi, K Makino US Patent 6,681,204, 2004 | 75 | 2004 |
| High efficiency encoding method M Nishiguchi, J Matsumoto, S Ono US Patent 5,765,127, 1998 | 74 | 1998 |
| Vector quantization method and speech encoding method and apparatus M Nishiguchi, K Iijima, J Matsumoto US Patent 6,611,800, 2003 | 71 | 2003 |
| Vector quantized MBE with simplified V/UV division at 3.0 kbit/s M Nishiguchi, J Matsumoto, R Wakatsuki, S Ono 1993 IEEE International Conference on Acoustics, Speech, and Signal …, 1993 | 68 | 1993 |
| Speech decoding method and apparatus for selecting random noise codevectors as excitation signals for an unvoiced speech frame K Iijima, M Nishiguchi, J Matsumoto US Patent 5,909,663, 1999 | 65 | 1999 |
| Voiced/unvoiced decision based on frequency band ratio M Nishiguchi, J Matsumoto, S Ono US Patent 5,960,388, 1999 | 57 | 1999 |
| Vector quantization method, speech encoding method and apparatus M Nishiguchi, K Iijima, J Matsumoto US Patent 6,018,707, 2000 | 56 | 2000 |
| Apparatus and method for processing information, information system, and storage medium M Abe, M Nishiguchi, K Akagiri US Patent App. 09/934,393, 2002 | 53 | 2002 |
| Apparatus and method for encoding/decoding a speech signal using adaptively changing codebook vectors K Iijima, M Nishiguchi, J Matsumoto, S Omori US Patent 5,828,996, 1998 | 53 | 1998 |
| Signal band expanding method and apparatus and signal synthesis method and apparatus S Omori, M Nishiguchi US Patent 6,539,355, 2003 | 51 | 2003 |
| Speech encoding method, speech decoding method and speech encoding/decoding method M Nishiguchi, J Matsumoto US Patent 5,749,065, 1998 | 50 | 1998 |
| Harmonic and noise coding of LPC residuals with classified vector quantization M Nishiguchi, J Matsumoto 1995 International Conference on Acoustics, Speech, and Signal Processing 1 …, 1995 | 49 | 1995 |
Naoto IwahashiOkayama Prefectural UniversityVerified email at c.oka-pu.ac.jp
