| 1. | Embedded system - based ip phone speech compression technique 电话高效语音压缩技术 |
| 2. | This paper accomplishes the hardware design and implementation of a speech compression system 本文所完成的任务是用硬件设计并实现一个语音压缩编/解码系统。 |
| 3. | Speech compression technologies are of great importance in increasing the capacities of ip telephone systems 语音压缩编码技术对提高ip电话系统的系统容量有重要的意义。 |
| 4. | The hardware capacity for speech in spce061a is used and the function of speech compression is embedded in software 该系统利用spce061a芯片具有的语音播放的硬件条件,并结合软件算法上的语音压缩函数库,实现了声信号的智能化输出。 |
| 5. | Recently , there is a great demand for video telephone , wireless communication and speech storage . speech compression is the key technology in communication areas 现在,对可视电话、无线通信、卫星通信和语音存储的需求越来越大,所以语音压缩仍然是通信领域中的关键技术。 |
| 6. | With the rapid progress of digital communication technology and the increasing requirement in commercial application , speech compression technology has advanced rapidly in recent years 近年来,随着数字通信技术的发展及商业应用需求的增加,语音压缩技术得到了迅猛的发展;本文所介绍的g |
| 7. | To improve the speech quality , it is necessary to adopt such speech processing techniques like speech compression , voice activity detection , echo cancellation , jitter buffer and so on 为了提高语音质量,需要采取一系列的语音处理技术,主要包括语音压缩技术、静音处理技术、回声消除技术、抖动缓冲技术等。 |
| 8. | Now , the standards of speech compression coding provide a way of transporting speech signals efficiently . in fact , all of them are to reduce the baud rate of data under definite speech quality 相继出现的语音信号压缩标准为语音信号的高效传输提供了一种有效方法,其实质就是在相当的语音质量指标下,降低数字化语音的数码率。 |
| 9. | H . 323 is an itu standard which provides several services including speech , data and multimedia etc . being a speech compression coder protocol supported by h . 323 , g . 729 has the advantages of low bit - rate and high speech quality and been selected by itu - t as 8kb / s standard G . 729做为h . 323支持的语音压缩编码协议,具有低延迟,高语音质量的优点,被itu确定为8kb / s语音编码标准。 |
| 10. | At first , the thesis briefly introduces the ip phone development status and standard , discuss its advantages and disadvantages , and then address the key technique issues of some commonly used speech compression standards 本文首先介绍了ip电话的发展状况和实现原理,分析了ip电话的特点和不足。接着论述了语音压缩的关键技术,并对目前常用的一些音频编解码算法作了简要的介绍和比较。 |