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找到约 172 项符合 voice 的查询结果

书籍 UMTS+Network+Planning

The continuing explosive growth in mobile communication is demanding more spectrally efficient radio access technologies than the prevalent second generation (2G) systems such as GSM to handle just the voice traffic. We are already witnessing high levels of mobile penetration exceeding 70% in some c ...
https://www.eeworm.com/dl/522177.html
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技术资料 多功能电子秤设计

针对现如今日常生活和生产的方方面面都需要对物体的重量进行精准测量的问题,设计了这款多功能语音电子秤。该设计以STC89C52RC单片机为核心,使用电阻应变式压力传感器、HX711AD转换模块、WT588D语音模块和DS1302时钟芯片来实现,通过LCD1602来进行数据显示。根据设计的需要,绘制出了相应的电路原理图,制作了PCB板,进行了焊接 ...
https://www.eeworm.com/dl/894640.html
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技术资料 基于1T8051单片机的语音识别智能家具控制系统

随着科技的发展,现代的生活开始摆脱传统家居的控制方式,比如使用语音识别技术来控制一些家电,给生活带来便利的同时增加了生活体验乐趣。这个智能系统是一种基于单片机的智能语音控制电灯的系统。具有语音调节电灯开关、亮度以及工作模式的功能。采用STC12C5A60S2系列1T8051单片机作为处理核心,利用LD3320语音识别芯片进行识 ...
https://www.eeworm.com/dl/895800.html
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单片机编程 基于CC1110单片机公交报站系统的设计

基于CC1110单片机公交报站系统主要由CC1110单片机最小系统和WT588D语音模块组成,提出了如何实现语音报站,通过无线通信SimpliciTI网络协议实现公交站台的自动播报和OLCD液晶显示公交运行的各类信息。结果表明,该公交报站系统报站准确率99%,价格比同类产品下降了300%以上,系统组成结构简单,提高了系统的抗干扰性和稳定 ...
https://www.eeworm.com/dl/502/29318.html
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书籍 Introduction+to+3G+Mobile+Communications

The third generation (3G) mobile communication system is the next big thing in the world of mobile telecommunications. The first generation included analog mobile phones [e.g., Total Access Communications Systems (TACS), Nordic Mobile Telephone (NMT), and Advanced Mobile Phone Service (AMPS)], and t ...
https://www.eeworm.com/dl/521941.html
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书籍 Service Delivery Platforms

Convergence between the two largest networks (Telecom and IP) is taking place very rapidly and at diff erent levels: (1) network level: unifi cation of IP networks with traditional Telecom networks through evolving standards (Session Initiation Protocol (SIP), Realtime Transfer Protocol (RTP), SS7, ...
https://www.eeworm.com/dl/522110.html
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书籍 Utility Maximization in Nonconvex Wireless Systems

Once upon a time, cellular wireless networks provided two basic services: voice telephony and low-rate text messaging. Users in the network were separated by orthogonal multiple access schemes, and cells by generous frequency reuse patterns [1]. Since then, the proliferation of wireless services, fi ...
https://www.eeworm.com/dl/522184.html
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书籍 Wireless Communications & Networking

During the past three decades, the world has seen signifi cant changes in the telecom- munications industry. There has been rapid growth in wireless communications, as seen by large expansion in mobile systems. Wireless communications have moved from fi rst-generation (1G) systems primarily focused ...
https://www.eeworm.com/dl/522200.html
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技术资料 YMU831-数字主动降噪方案

新一代雅马哈耳机主动降噪方案:耳机搭载YUM831降噪芯片,实现ANC(Active Noise Cancellation)功能,开启安静完美的听觉之旅。 功能特点: 1、媲美市场主流的耳机主动降噪效果(ANC) 2、无需Voice MIC,能实现HF通话 3、强大的噪声抑制和ANC效果并用,对在嘈杂环境下通话十分有效 此外,还可将此作为 ...
https://www.eeworm.com/dl/840422.html
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技术资料 基于单片机的盲人智能手杖设计

传统的导盲杖已经不能保障盲人的安全出行,本系统以单片机STC89C52作为核心处理器,采用超声波测距技术,ISD1420语音芯片,利用proteus软件搭建了系统各模块的硬件仿真电路,结合Keil C平台进行了软件编程实现。通过调试和测试,本系统设计的盲人的智能手杖,可以对道路上的障碍物进行距离探测,并提供语音提示、时间播报、灯光示警 ...
https://www.eeworm.com/dl/895542.html
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