Microphone unit and manufacturing method thereof, voice input device and information processing system
A manufacturing method and sound input technology, applied in frequency/direction characteristic devices, speech analysis, electrical components, etc., can solve problems such as difficulty in miniaturization, and achieve the effect of simple structure
Inactive Publication Date: 2013-12-18
FUNAI ELECTRIC CO LTD
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- Application Information
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Problems solved by technology
[0008] In order for the microphone unit to have sensitive directivity, it is necessary to arrange multiple diaphragms, making miniaturization difficult
[0009] In addition, in order to detect the direction of arrival of sound waves with high precision by utilizing the difference in the arrival time of sound waves, it is necessary to install a plurality of vibrating membranes at intervals of about one for several wavelengths of audible sound waves, so miniaturization is difficult
Method used
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Embodiment Construction
[0081] Hereinafter, embodiments to which the present invention is applied will be described with reference to the drawings. However, the present invention is not limited to the following examples. Furthermore, the present invention includes embodiments in which the following contents are freely combined.
[0082] 1. Structure of microphone unit 1
[0083] First, the configuration of the microphone unit 1 according to the present embodiment will be described.
[0084] Such as figure 1 and figure 2 As shown in (A), the microphone unit 1 according to this embodiment includes a housing 10 . The housing 10 is a member constituting the outer shape of the microphone unit 1 . The outer shape of the frame body 10 (the microphone unit 1 ) may be a polyhedral structure. Such as figure 1 As shown, the shape of the frame body 10 may also be a hexahedron (cube or cube). However, the outer shape of the frame body 10 may also be a polyhedral structure other than a hexahedron. Altern...
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The present invention provides a high quality microphone unit with small shape and removing stray noise cleanly and manufacturing method thereof, a audio input device and a information processing system. The microphone unit (1) includes: a frame body (10) with an internal space (100); a partition component (20) mounted in the frame body for partitioning the internal space into a first space (102) and a second space (104), at least one part of structure of the partition component being vibrating membrane (30); and an electrical signal output circuit (40) for outputting electrical signal according to vibrating of the vibrating membrane, forming a first through hole (12) and a second through hole (14) in the frame body (10), wherein the first through hole (12) used for connecting the first space (102) with the exterior space of the frame body, the second through hole used for connecting the second space (104) with the exterior space of the frame body.
Description
technical field [0001] The present invention relates to a microphone unit, a voice input device of answering type, an information processing system, and a manufacturing method of the microphone unit. Background technique [0002] It is preferable to collect only the intended voice (the user's voice) when performing a telephone conversation, voice recognition, voice recording, or the like. However, in the environment in which the voice input device is used, there are sounds other than the intended sound, such as background noise. Therefore, development of a voice input device having a noise-removing function that can accurately extract a user's voice even when used in an environment where noise exists has been advanced. [0003] Known techniques for removing noise in a use environment where noise exists include providing a microphone unit with sensitive directivity, or using a difference in arrival time of sound waves to identify the direction of arrival of sound waves, and ...
Claims
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IPC IPC(8): G10L15/20H04R1/36H04R31/00
Inventor 高野陆男杉山精福冈敏美小野雅敏堀边隆介田中史记丁子英树猪田岳司
Owner FUNAI ELECTRIC CO LTD