| 摘要 |
The present invention relates to sound quality improvement and, more particularly, to a system for adding adaptive comfort noise after sound quality improvement in voice communications. According to the present invention, even when a type of noise is changed, the system can adaptively react to provide a regular tone and make a small amount of voice loss even in a nonstatic noise environment with a low signal-to-noise ratio (SNR). Also, the system can cope with impulse noise in real time and handle even a situation in which a type of noise is suddenly changed. Also, the system uses a small amount of electric power due to a small amount of calculation, provides a solution as a software-type library to increase generality, and requires short-term tuning. |
