It explained the structure and disposition of WLAN VoIP through a VoIP wireless LAN instance and discussed the solutions to the problems of voice transmission quality. 通过某VoIP无线局域网实例说明了WLANVoIP的结构和配置,并结合VoIP话音质量评价标准,从无线VoIP传送话音所存在的问题出发,着重探讨了解决这些问题的方法。
Experiments proves that the theoretics tallies with reality, the data transmission is reliable and the voice transmission quality is better. 实验表明,该方法理论与实际相符,数据传输可靠,语音质量良好。
In modern voice communication systems, transmission efficiency and voice quality are the research hot spots. Low-rate and high quality speech vocoder is in demand. 在现代语音通信系统中,传输效率和合成语音质量是研究的热点问题,低速率、高质量的语音编解码器成为发展需要。
This paper provides a description of the basic conception and principle of VoIP, especially several key technologies, which include : signaling, coding, voice activity detection, real-time transmission and guarantee of quality of network service. 文章介绍了VoIP的基本概念和原理,重点阐述了VoIP的几个关键技术:信令技术、编码技术、静音检测技术、实时传输技术,以及QoS保障技术。
And with the development of network bandwidth and real-time voice transmission technology, the big problem of VoIP application : voice quality, has been large improved. 并且,随着网络带宽的不断增加及实时传送技术的发展,曾经长期困扰VoIP应用的语音质量问题也得到了很大程度的缓解,可以说VoIP应用正在成为语音通信领域不可忽视的一股力量。