What kind of mobile phone is Xiaobu?

Xiaobu is not a mobile phone brand, but an AI assistant built into OPPO smartphones and IoT devices, including five major capability modules: voice, suggestions, commands, screen recognition and scanning. Xiaobu Assistant is a multi-terminal, multi-modal conversational intelligent assistant; users can wake up Xiaobu through four entrances: "Voice wake-up", "Long press the power button for 0.5s to wake up", "APP floating ball", and "Headphone wake-up" .

The operating environment of this tutorial: ColorOS 12 system, OPPO OnePlus7 mobile phone.

Xiaobu is not a mobile phone brand, but OPPO’s voice assistant.

Xiaobu, also called Breeno, is the built-in AI assistant on OPPO smartphones and IoT devices. It includes five major capability modules: voice, suggestion, command, screen recognition and scanning. Xiaobu Assistant takes "wit", "interesting" and "warmth" as its concepts and is committed to providing a multi-scenario and intelligent user experience.

Xiaobu Assistant is a multi-terminal, multi-modal conversational intelligent assistant. It is OPPO’s thinking and specific strategic layout for the future era of the integration of all things, and implements OPPO’s “Technology for people, good for the world” idea. Users can wake up through four entrances: "voice wake-up, long press the power button for 0.5s to wake up, APP floating ball, and headset wake-up".

Function introduction

• Life service

Book movie tickets, order takeout, find food, help arrange reservations, find recipes, send WeChat, Alipay, send red envelopes, shopping, epidemic prevention and control, etc.

• ##Travel services

##Car voice assistant, itinerary planning, route congestion reminder, booking air tickets, train tickets, taxis, navigation, hotel booking, etc.

• Information query

Encyclopedia query, Chinese idiom dictionary, homework Q&A, 100,000 whys, ancient poetry, health care, horoscope, stocks, conversion, exchange rate , lottery, travel restrictions, etc.

• System operation
  ##System settings, open APP, set alarm clock, schedule, set reminders , make phone calls, read text messages, check contacts, open the camera, view photo albums, etc.

Entertainment Services

• Listen Songs, watching videos, reading novels, celebrity gossip, listening to songs, listening to news, interesting chats, summoning Xiaobing, theme jokes, celebrity voices, trivia, humorous jokes, mutual hostility mode, etc.

Language Mode

• OPPO’s own Xiaobu Assistant now supports Cantonese mode, and the sound restores the classic sound of the Greater Bay Area, which can bring To provide users with an authentic Cantonese communication environment, the official also said that Xiaobu, as a tenth-level Cantonese scholar, can still withstand the Cantonese test of Fujian people. Based on his previous general abilities such as emotion recognition and intelligent male voices, Xiaobu The assistant has recently launched a number of functions, such as Xiao Bu's childlike innocence and "close friends" spoken timbre, etc.

Innovative functions

• Xiaobu Assistant Care Edition, AI warming plan, astronomy knowledge Q&A, folk music encyclopedia, Book of answers, custom sounds, Xiaobu has a childlike innocence, Xiaobu virtual human, multi-device voice mutual search, etc.

Core Technology

Self-developed dialogue system

• In the process of human-computer interaction between Xiaobu Assistant and the user, Xiaobu Assistant needs to understand the user and communicate with the user Interaction, then Xiaobu's handling of "dialogue" is inseparable. OPPO independently develops and builds a dialogue system, including three major areas: designing dialogue system architecture, building dialogue framework, and optimizing fluency. It aims to improve the accuracy of user understanding and the smoothness of interaction, lead users to experience deeper artificial intelligence services, and " Assistant" function is maximized.

As an important carrier of the next entry-level interaction revolution in the new era, taking the dialogue interaction of Xiaobu Assistant as an example, users have many requests for knowledge questions and answers, and their expectation is to obtain accurate answers. In order to meet this requirement To meet such needs, Xiaobu's team builds its own knowledge base through data acquisition and data mining, and then combines online semantic matching, KBQA, etc. to provide question and answer services.

Semantic understanding

• Semantic understanding is the core ability of Xiaobu Assistant, which is used to "understand" what users want ,Solving the problem of "understanding you" generally consists of two parts: intention recognition and slot extraction. Intention recognition and slot extraction together constitute the semantic understanding module. The main difficulties lie in the diversity of spoken language (billion-level independent Query); ambiguity (for example, Peppa Pig is a cartoon and an app); and dependence on knowledge (such as "can it?" is a song title).

Open domain generative chat algorithm

The overall chat structure of Xiaobu Assistant is designed based on the principles of security, scalability, efficient iteration, high service availability and high performance of algorithm models. At the same time, self-built chat accounts for 85%. OPPO draws on the generative methods in the industry to directly integrate attribute information. The generative model based on multi-attribute control uses attributes to control reply generation and adds attribute information such as sentence patterns, emotional information, opinions, system personas, etc., to achieve the purpose of controlling the style of generated text.

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