CELP以其高质量的合成语音及优良的抗噪声和多次转接性能，在移动通信，保密电话和语音中继等中低速率上获得了广泛应用。
CELP coders, due to its high quality of reconstructed speech and robustness against channel noise, have many applications in mobile communication, encrypted telephone and voice relay service etc .
因此，清晰、高质量的宽带数字语音通信成为一种需求。
So wideband digital speech communication with high quality becomes more and more desired.
由于语音通信领域对高质量语音需求日益增加，语音编码技术也在近年来得到了飞速发展。
With the continuously increasing of the demand of high quality of speech in telecommunication field, the technology of speech coding has been rapidly developed recently.
在同一时间，服务质量(QoS)和流量管理功能，提高质量确保清晰和可靠的语音和视频通信。
At the same time, the enhanced quality of service (QoS) and traffic management features ensure clear and reliable voice and video communications.
在同一时间，服务质量(QoS)和流量管理功能，提高质量确保清晰和可靠的语音和视频通信。
At the same time, the enhanced quality of service (QoS) and traffic management features ensure clear and reliable voice and video communications.
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