Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826526 | AUDIO SIGNAL CODING METHOD, DECODING METHOD, AUDIO SIGNAL CODING APPARATUS, AND DECODING APPARATUS WHERE FIRST VECTOR QUANTIZATION IS PERFORMED ON A SIGNAL AND SECOND VECTOR QUANTIZATION IS PERFORMED ON AN ERROR COMPONENT RESULTING FROM THE FIRST VECTOR QUANTIZATION | Takeshi Norimatsu, Yoshihisa Nakato, Mineo Tsushima, Tomokazu Ishikawa | 2004-11-30 |
| 6823310 | Audio signal processing device and audio signal high-rate reproduction method used for audio visual equipment | Tsukuru Ishito, Masaharu Matsumoto, Takeshi Fujita, Takashi Katayama, Masahiro Sueyoshi +4 more | 2004-11-23 |
| 6678653 | Apparatus and method for coding audio data at high speed using precision information | Mineo Tsushima, Takeshi Norimatsu | 2004-01-13 |