With the rapid development of the artificial intelligence industry, the future robots will play an important role in all walks of life, and full of possibilities. In the movie "Super Marines", the robot's protagonist "Big White" can recognize the words spoken by others and give "tact" answers. When the two technologies of speech recognition and artificial intelligence are perfected to a certain extent, it is possible to obtain the temperature of human interaction from the cold machine. As the most natural interactive portal, intelligent voice has become the standard of the robot field, especially in the field of service robots.
Spirit, which focuses on intelligent hardware and voice interaction, was founded in 2007 in the High-tech Zone in Cambridge, England. It provided voice oral education services in the early days. When the wave of intelligent hardware rose in 2014, they saw the real opportunity for human-machine dialogue. So, the company split the education department and set up the company, and began to fully engage in the voice interaction technology in the field of intelligent hardware. Among them, the field of intelligent robots is also one of the areas where Spirent wants to attack vertically.
What are the high demands of high market demand?
Of course, the high demand of the market also means high requirements for intelligent voice. In view of this, we interviewed Wang Wei, Commercial Director of the Spirit Robot Division. She said: "Speech technology that simply emphasizes recognition rate and wake-up rate can no longer meet market demand. With the development of perceptual intelligence, the accumulation of a large amount of data resources has become the basis for the next step of development, how to cultivate the cognitive intelligence of intelligent speech, Achieving the purpose of thinking and making decisions has become a hot topic."
Wang Wei, Commercial Director of Spirent Robotics Division
In view of the current situation, Spirit's voice technology is more focused on the humanized interactive experience. In the field of robotics, Spirit provides pure software technology solutions such as speech recognition, speech synthesis, voice wake-up, multi-round dialogue, etc. A soft and hard integrated solution such as a "6+1" far-field microphone array.
For example, 360 children's robot Buddy applied the speech synthesis technology of Spirent, Zhejiang Lehua's Le Orange Xiaole robot applied the ring "6+1" far-field microphone array, and the radish technology radish robot generation applied For the single-magic solution of the company, the second-generation robot will use a ring-shaped "6+1" far-field microphone array. These products are popular with target families and are among the best-selling home service robots in the market.
Excellent market performance is inseparable from the solution of Spirit's soft and hard integration and the unremitting pursuit of human-computer interaction experience.
1, soft and hard integrated solutions
The ring 6+1 far-field microphone array is a soft and hard integrated solution. It is mainly for hardware products that require full-angle pickup in robots and smart homes. Six microphones are arranged in 360° to accurately locate the sound source. The error is controlled. Within ±10°; one microphone is placed in the middle; independent research and development of noise reduction and echo cancellation technology can realize functions such as echo cancellation (AEC), sound source localization (DOA), beamforming (BF), and speech enhancement (SE); And can achieve industry-leading 5 meters far field interaction, 5 meters 92%, 3 meters 94%, 1 meter 96%.
The application of the ring wheat program is of great significance. It is also reflected in its relatively single-wheat, double-wheat, linear microphone array, which breaks the limitations of the original microphone pickup angle and interaction distance. On the one hand, the realization of full-angle pickup can better meet the needs of intelligent hardware that requires full-angle pickup, such as robots and speakers, and central control, to accurately locate the source; on the other hand, the microphone array makes full use of it at the front end. The spatial filtering function suppresses noise such as echo and reverberation outside the picked-up beam, performs speech enhancement processing, and is supplemented by secondary processing of the speech recognition engine to achieve high-quality far-field recognition interaction.
Wang Wei, Commercial Director of the Robotics Division, mentioned that the Amazon Echo speaker, which is well known to everyone in the world, said: "This market model product is also a ring microphone array, and the Spirit Ring 6+1 microphone array. The plan has the same effect."
2. Interaction is always one of the focuses of Spirent's speech technology.
Compared with peers, Spirit is the first voice company in China to emphasize “learning intelligence†in machine learning, emphasizing the core role of “cognitive dialogue system based on multi-round dialogue†on intelligent hardware.
Spirit believes that the core issues of human-computer interaction in intelligent hardware are: anti-noise, far-field recognition and echo cancellation in perceptual intelligence, and powerful cognitive intelligence. Thereby enhancing the intent tracking and decision function of the voice solution, providing users with a more humanized interaction scheme.
How to deal with the problems of the voice interaction experience
Wang Wei, commercial director of the Robotics Division, believes that although the robot market is indeed very popular, and intelligent voice as a necessary means of interaction is also expected, there are two very obvious problems in the market robot interaction experience: one is interactive stereotypes. Unable to judge user intent, lack of cognitive intelligence; second, lack of back-end resources, unable to meet user needs.
In response to the above problems, Spirent did this:
On the one hand, Spirent's voice solution focuses more on voice interaction in vertical scenes, focusing on cognitive intelligence, tracking the user's true speaking intent, and feeding back more accurate and effective resources to enhance interaction.
On the other hand, Spirit continues to expand its back-end resources to expand resources in social, navigation, music, weather queries, O2O, life information, financial stocks and other fields to meet the needs of users.
Adhere to To B's business model and focus on intelligent voice development
Over the years, human-computer interaction methods have been constantly changing. Keyboards, mice, and touch-to-the-current voice interactions. The continuous development of artificial intelligence will inevitably lead to continuous changes in interactive means. Intelligent voice will inevitably become the target of interaction in each field. Match.
Wang Wei believes that the application of intelligent voice in the field of vehicle networking is relatively advanced and mature, and the application in the field of Internet of Things is closely followed. The demand for intelligent voice in the whole intelligent hardware field is more intense. She said: "Future intelligent voice technology will move from the current perceived intelligence to cognitive intelligence, self-thinking, and ultimately form decision-making control."
Spirit currently provides intelligent voice interaction solutions for the three vertical areas of smart car, smart home and intelligent robot. In addition to providing core software technologies such as speech recognition, speech synthesis, speech recognition++, semantic understanding, interactive dialogue, etc., Spirit also provides a complete set of solutions, such as the AIOS dialogue operating system for smart car, for robots and The soft and hard integration scheme of the ring 6+1 far-field microphone array in the smart home field.
In the future, Spirit will always focus on the cognitive intelligence of intelligent speech, making voice interaction more human. It will also rely on the joint laboratory of Spirent Shanghai Jiaotong University to continue to develop in the field of intelligent voice research and development, and adhere to To B's business model. According to Wang Wei, in the field of robotics, Spirit will launch the AIOS FOR ROBOT dialogue operating system for intelligent robots in the near future. By abstracting the interface developed in the upper layer, developers can greatly shorten the time and improve the developer's Efficiency, reducing developer maintenance costs.
Spirit will also continue to expand its business scope in the field of robotics based on sound R&D technology. We will wait and see.
This enthusiast college invited the business director of the Spirit Robotics Division to share the current ecological environment, current situation, market demand, trends and challenges for the service robot market. And what related technologies are involved in intelligent voice interaction, the status quo of domestic development? What are the technical difficulties in intelligent voice interaction and emotional design? How does Spirit solve these difficulties? How to quickly build a robot using the 6+1 ring microphone array solution from Spirent. The Enthusiast Academy Live teaches you how to improve your robot's natural language interaction .
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