| 12142294 |
Signal processing apparatus, method, and program to detect a time interval containing sound based on a distance between two mobile bodies |
Ryuichi Namba, Yoshiaki Oikawa |
2024-11-12 |
| 12081961 |
Signal processing device and method |
Ryuichi Namba, Yoshiaki Oikawa |
2024-09-03 |
| 11997472 |
Signal processing device, signal processing method, and program |
Ryuichi Namba, Keiichi Aoyama, Yoshiaki Oikawa |
2024-05-28 |
| 11405715 |
Information processing apparatus |
Ryuichi Namba |
2022-08-02 |
| 11159905 |
Signal processing apparatus and method |
Ryuichi Namba, Masashi Fujihara, Koyuru Okimoto, Toru Chinen, Kohei Asada +3 more |
2021-10-26 |
| 6941333 |
Digital signal processing apparatus and method |
Yasuhiro Ogura |
2005-09-06 |
| RE37864 |
Quantizing error reducer for audio signal |
Kenzo Akagiri |
2002-10-01 |
| 6044338 |
Signal processing method and apparatus and signal recording medium |
— |
2000-03-28 |
| RE36559 |
Method and apparatus for encoding audio signals divided into a plurality of frequency bands |
Yoshihito Fujiwara, Tomoko Umezawa, Masayuki Nishiguchi, Naoto Iwahashi, Kenzo Akagiri |
2000-02-08 |
| 5856796 |
Sampling rate converting method and apparatus |
Tadao Suzuki |
1999-01-05 |
| 5831565 |
Signal processing apparatus for converting multi-bit signal having sub-data added thereto into one-bit signal |
— |
1998-11-03 |
| 5757938 |
High efficiency encoding device and a noise spectrum modifying device and method |
Kenzo Akagiri |
1998-05-26 |
| 5754973 |
Methods and apparatus for replacing missing signal information with synthesized information and recording medium therefor |
— |
1998-05-19 |
| 5737717 |
Method and apparatus for altering frequency components of a transformed signal, and a recording medium therefor |
Kenzo Akagiri |
1998-04-07 |
| 5719574 |
Digital audio transmission apparatus |
Ayataka Nishio, Yasuhiro Ogura, Gen Ichimura |
1998-02-17 |
| 5719571 |
Sampling rate converting method and apparatus |
Tadao Suzuki |
1998-02-17 |
| 5687157 |
Method of recording and reproducing digital audio signal and apparatus thereof |
Kenichi Imai, Tadao Suzuki, Kenzo Akagiri |
1997-11-11 |
| 5684923 |
Methods and apparatus for compressing and quantizing signals |
Hiroshi Suzuki |
1997-11-04 |
| 5563913 |
High efficiency encoding device and a noise spectrum modifying device and method |
Kenzo Akagiri |
1996-10-08 |
| 5299238 |
Signal decoding apparatus |
Naoto Iwahashi, Masayuki Nishiguchi, Kenzo Akagiri, Yoshihito Fujiwara |
1994-03-29 |
| 5299239 |
Signal encoding apparatus |
Naoto Iwahashi, Masayuki Nishiguchi, Kenzo Akagiri, Yoshihito Fujiwara |
1994-03-29 |
| 5299240 |
Signal encoding and signal decoding apparatus |
Naoto Iwahashi, Masayuki Nishiguchi, Kenzo Akagiri, Yoshihito Fujiwara |
1994-03-29 |
| 5204677 |
Quantizing error reducer for audio signal |
Kenzo Akagiri |
1993-04-20 |
| 5197087 |
Signal encoding apparatus |
Naoto Iwahashi, Masayuki Nishiguchi, Kenzo Akagiri, Yoshihito Fujiwara |
1993-03-23 |
| 5115240 |
Method and apparatus for encoding voice signals divided into a plurality of frequency bands |
Yoshihito Fujiwara, Tomoko Umezawa, Masayuki Nishiguchi, Naoto Iwahashi, Kenzo Akagiri |
1992-05-19 |