Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9142222 | Apparatus and method of enhancing quality of speech codec | Do-Young Kim, Byung Sun Lee | 2015-09-22 |
| 9135925 | Apparatus and method of enhancing quality of speech codec | Do-Young Kim, Byung Sun Lee | 2015-09-15 |
| 9135926 | Apparatus and method of enhancing quality of speech codec | Do-Young Kim, Byung Sun Lee | 2015-09-15 |
| 9111535 | Method and apparatus for decoding audio signal | Heesik Yang, Hyun-Woo Kim, Jongmo SUNG, Hyun Joo BAE, Byung Sun Lee | 2015-08-18 |
| 9087510 | Method and apparatus for decoding speech signal using adaptive codebook update | — | 2015-07-21 |
| 9035995 | Method and apparatus for widening viewing angle in video conferencing system | — | 2015-05-19 |
| 8805694 | Method and apparatus for encoding and decoding audio signal using adaptive sinusoidal coding | Hyun Joo BAE, Byung Sun Lee | 2014-08-12 |
| 8805680 | Method and apparatus for encoding and decoding audio signal using layered sinusoidal pulse coding | Heesik Yang, Hyun-Woo Kim, Jongmo SUNG, Hyun Joo BAE, Byung Sun Lee | 2014-08-12 |
| 8751225 | Apparatus and method for coding signal in a communication system | Hong Kook Kim, Young Han Lee | 2014-06-10 |
| 8612239 | Apparatus and method for coding audio data based on input signal distribution characteristics of each channel | Do-Young Kim, Hae Won Jung | 2013-12-17 |
| 8315853 | MDCT domain post-filtering apparatus and method for quality enhancement of speech | Hyun-Woo Kim, Jong Mo SUNG, Do-Young Kim, Byung Sun Lee | 2012-11-20 |
| 8265929 | Embedded code-excited linear prediction speech coding and decoding apparatus and method | Do-Young Kim, Jongmo SUNG, Hyun-Woo Kim | 2012-09-11 |
| 7773633 | Apparatus and method of processing bitstream of embedded codec which is received in units of packets | Dae Ho Kim, Do-Young Kim | 2010-08-10 |
| 7634402 | Apparatus for coding of variable bitrate wideband speech and audio signals, and a method thereof | Do-Young Kim, Hong Kook Kim, Seungho Choi | 2009-12-15 |
| 7599833 | Apparatus and method for coding residual signals of audio signals into a frequency domain and apparatus and method for decoding the same | Jong Mo SUNG, Hyun-Woo Kim, Do-Young Kim | 2009-10-06 |
| 7457744 | Method of estimating pitch by using ratio of maximum peak to candidate for maximum of autocorrelation function and device using the method | Dae Hwan Hwang | 2008-11-25 |