Embedded voice interactive technology favored smart home should
In recent years, with the embedded voice interaction technology widely used in the Internet of Things, smart home systems based on listening and speaking use advanced computers and network communication technologies, and digital voice interaction technologies will be related to various kinds of home life. The subsystems are organically combined through a specific network. Through scientific management, they intelligently control household appliances and lighting in residential buildings, and achieve home security protection. In combination with other systems, they provide residents with a warm and comfortable, safe and energy-saving. The advanced and noble home environment enables tenants to fully enjoy the convenience and wonderfulness that modern technology brings to life.
Traditional home systems:
Traditional home intelligent control systems are generally built using wired methods, such as axis cables, USB, and CAN buses. However, wired networks have inherent shortcomings such as wiring troubles and poor scalability, which limits the development of wired network technologies in smart home systems. Therefore, based on the Internet of Things, the application of wireless network technology to home networks has become a general trend. This is not only because of the greater flexibility and mobility of wireless networks, eliminating the need for cabling, but more importantly, it is in line with the communications characteristics of home control networks. The wireless home network concentrates the vast space of people's lives and work in the distance that human hands can control. However, as the control system becomes more and more complex and the operation interface becomes more and more professional and complex, it is very difficult for ordinary non-technical personnel, especially the elderly, to accept and use it, and not only has not provided convenience for life, but has become a new burden. . The limitation of human-computer interaction is the root cause of this phenomenon.
The unique advantages of hardware-based localized speech interaction systems in smart home systems:
In recent years, some high-tech companies in China have made gratifying achievements in the field of voice interaction technologies. They have gained market opportunities in Chinese speech synthesis (TTS) and Chinese speech recognition (EMASR) technologies, and independently developed a large number of voice interaction software. Hardware products. With the advent of these domestic advanced voice chips, it has become possible to make small-sized, low-cost, high-performance localized hardware voice interactive control products. The voice interactive control system developed based on these chips, which is the voice human-computer interaction system, provides a very ideal voice interaction control method for the smart home field in China. The hardware-based localized voice interaction system has its own unique advantages in the smart home system:
1. The user's voice instructions are directly processed by the local hardware chip, without uploading to the network, and the voice content is updated in real time in real-time matching, and will not be stored and stolen to ensure that the user's privacy is not violated;
2. The system is small in size, low in price, does not occupy the processor and resources of the user system, and is very easy to embed and integrate. It can be installed on demand, installed everywhere, and is not easily limited by space and environment;
3, accurate and rapid recognition, clear and natural voice, easy to learn and operate;
4, non-specific person identification, no recording training; a variety of human voice color, tone speed changes; keyword table storage, no need for massive space; pinyin Chinese characters description, content setting is simple.
A typical hardware-based localized speech interaction system is mainly composed of a speech synthesis (TTS) circuit, an audio recognition (EMASR) circuit, an interactive script engine, and a device control interface.
The so-called intelligent voice industry mainly refers to the industries that provide users with various services through voice synthesis technology and voice recognition technology. In general, the user only needs to issue a command to the service terminal in a spoken manner, and the corresponding service can be obtained.
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