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The system and method in order to improve the quality of the coded sound where background noise coexists
The system and method in order to improve the quality of the coded sound where background noise coexists
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机译:一种在背景噪声共存的情况下提高编码声音质量的系统和方法
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摘要
(57) Abstract It is the system and method in order to improve the quality of the coded sound where background noise coexists. For example, only decoding synthesizing the parameter where this invention, through telecommunication network, receives the coded aural signal, next, is included and differs in that, it generates the synthetic speech signal. This invention decides the non audio period which is displayed inside the synthetic speech signal. The non audio period which is decided next, is utilized in order to fill the background noise which is simulated to the output signal. Furthermore, in addition non audio period, it is used in order to decide when it should combine the background noise which is simulated with the audio period of the synthetic speech signal, by this invention. The result of this invention it is the synthetic speech signal where the output signal which is obtained, the background noise which exists substantially between audio periods because of the existence which contrast, background noise continues, is audible more naturally and realistically in the ear of the person and improves.
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