基本信息:
- 专利标题: 오디오 프레임 손실 은폐
- 专利标题(英):Audio frame loss concealment
- 专利标题(中):音频帧丢失隐藏
- 申请号:KR1020157022751 申请日:2014-01-22
- 公开(公告)号:KR1020150108419A 公开(公告)日:2015-09-25
- 发明人: 브르흔스테판
- 申请人: 텔레폰악티에볼라겟엘엠에릭슨(펍)
- 申请人地址: SE-*** ** Stockholm Sweden
- 专利权人: 텔레폰악티에볼라겟엘엠에릭슨(펍)
- 当前专利权人: 텔레폰악티에볼라겟엘엠에릭슨(펍)
- 当前专利权人地址: SE-*** ** Stockholm Sweden
- 代理人: 서장찬; 박병석
- 优先权: US61/760,814 2013-02-05
- 国际申请: PCT/SE2014/050067 2014-01-22
- 国际公布: WO2014123470 2014-08-14
- 主分类号: G10L19/005
- IPC分类号: G10L19/005
Concealment of lost audio frames of the received audio signal before performing some sinusoidal analysis of a or the restored audio signal is received in advance (81), and a sinusoidal wave model in a segment of or the restored audio signals received in the previously pre- application and, in accordance with the identified frequency response, becomes to the time instance of the missing audio frame by time varying the sinusoidal components of the prototype frame made by generating (83) a replacement frame for the audio frame, the sinusoidal analysis is the audio signal It involves identifying the frequency of the sinusoidal components, and wherein the segment is used as a prototype frame for generating a replacement frame for the lost audio frames.
信息查询:
EspacenetIPC结构图谱:
G | 物理 |
--G10 | 乐器;声学 |
----G10L | 语言分析或合成;语言识别 |
------G10L19/00 | 用于冗余度下降情形的语音分析—合成技术;语音编码或解码 |
--------G10L19/005 | .如果与编码算法相关,由传输信道引起差错的校正 |