| 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 |
US2016005414(A1) |
申请公布日期 |
2016.01.07 |
| 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 |
G10L19/028;G10L25/18;G10L25/90;G10L19/002 |
主分类号 |
G10L19/028 |
| 代理机构 |
|
代理人 |
|
| 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 |
