| 发明名称 | System and method for compressed domain estimation of the signal to noise ratio of a coded speech signal | ||
| 摘要 | The present disclosure is directed towards a process for estimating the signal to noise ratio of a speech signal. The process may include receiving, at a computing device, a speech signal having a bitstream and a signal-to-noise ratio (“SNR”) associated therewith. The process may further include estimating the SNR directly from the bitstream or using a partial decoder that is configured to extract one or more parameters, the parameters including at least one of a fixed codebook gain, an adaptive codebook gain, a pitch lag, and a line spectral frequency (“LSF”) coefficient. | ||
| 申请公布号 | US9361899(B2) | 申请公布日期 | 2016.06.07 |
| 申请号 | US201414322369 | 申请日期 | 2014.07.02 |
| 申请人 | Nuance Communications, Inc. | 发明人 | Lainez Jose;Barreda Daniel A.;Sharma Dushyant;Naylor Patrick;Pilli Sridhar |
| 分类号 | G10L21/00;G10L19/028;G10L19/002;G10L25/18;G10L25/90;G10L19/00 | 主分类号 | G10L21/00 |
| 代理机构 | Holland & Knight LLP | 代理人 | Whittenberger, Esq. Mark H.;Holland & Knight LLP |
| 主权项 | 1. A method comprising: receiving, at a computing device, a speech signal having a bitstream and a signal-to-noise ratio (“SNR”) associated therewith; and estimating the SNR directly from the bitstream or using a partial decoder that is configured to extract one or more parameters, the parameters including at least one of a fixed codebook gain, an adaptive codebook gain, a pitch lag, and a line spectral frequency (“LSF”) coefficient. | ||
| 地址 | Burlington MA US | ||