A voice recognition-based active search method and device
A technology of speech recognition and search methods, applied in the computer field, can solve the problems of decreased information relevance, communication lag, etc., to reduce noise, improve accuracy, and improve accuracy and hit rate.
Active Publication Date: 2022-03-15
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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Problems solved by technology
Most of today's search engines use keywords as an index to find information. When users cannot construct suitable keywords, the relevance of information will drop sharply; 2) The lag in information acquisition, after users construct keywords, Entering keywords into a search engine to obtain relevant information, this series of processes lags behind communication
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[0064] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe operations as sequential processing, many of the operations may be performed in parallel, concurrently, or simultaneously. In addition, the order of operations can be rearranged. The process may be terminated when its operations are complete, but may also have additional steps not included in the figure. The processing may correspond to a method, function, procedure, subroutine, subroutine, or the like.
[0065]The term "computer equipment" in this context, also referred to as "computer", refers to an intelligent electronic device that can perform predetermined processing procedures such as numerical calculations and / or logic calculations by running predetermined programs or instructions, which may include a processor and The memory is realized by the processor ...
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The present invention provides an active search method and device based on speech recognition, which recognizes the received speech information, obtains the speech feature vector of the speech information; judges whether the speech feature vector matches the reference speech feature vector preset by the user , to obtain a corresponding judgment result; if the judgment result is mismatched, based on the recognition of the speech information, generate a subject domain corresponding to the speech information; expand the subject domain mapping into a corresponding search structure; according to The search structure performs an active matching search, acquires corresponding topic information and presents it to the user. Compared with the prior art, the present invention regards whether the speech feature vector of the received speech information matches the reference speech feature vector as a condition for starting the search function, and feeds back relevant information or abstracts to the user in real time, so that the user can timely, Quickly obtain unknown information and solve the problem of information asymmetry in communication or other language environments.
Description
technical field [0001] The invention relates to the field of computer technology, in particular to an active search technology based on speech recognition. Background technique [0002] In human life, communication is the most basic social activity, but there are often scenes of poor communication. For example, in a social situation, one party chatted about music, and the other party was a little embarrassed because he didn’t know much about the field. ;During business negotiations, the business side proposed new concepts and methods, and communication was blocked; in expert consultation occasions, experts narrated many ideas and opinions, and the audience found that they could not keep up, and further communication could not be carried out. To sum up, it can be found that blocked communication will affect communication efficiency, and may also lead to the loss of opportunities such as business and network building. The fundamental reason lies in the asymmetry of the breadt...
Claims
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IPC IPC(8): G06F16/33G06F40/30G10L15/26
CPCG06F16/3343G06F16/3344G10L15/26G06F40/30G10L15/02G10L17/26G06F16/00
Inventor 项连志
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD