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Portable electronic device with microphone for stereo recording

A technology of electronic devices and microphones, applied in the spatial/structural arrangement of microphones, frequency/direction characteristic devices, telephone communication, etc.

Active Publication Date: 2016-11-16
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first has only a single omnidirectional microphone for communication and mono pickup

Method used

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  • Portable electronic device with microphone for stereo recording
  • Portable electronic device with microphone for stereo recording
  • Portable electronic device with microphone for stereo recording

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0076] figure 1 A perspective view is shown including a front view 180 , a rear view 186 , a bottom view 182 and a side view 184 of the portable electronic device 100 arranged in a vertical position according to one embodiment.

[0077] The portable electronic device 100 includes two directional microphones 105a, 105b for stereo sound pickup. Each of the two directional microphones 105a, 105b defines a direct sound direction 106a and an opposite sound direction 106b to which the directional microphones 105a, 105b are pointed. The portable electronic device 100 includes a housing 101 for housing the portable electronic device 100 (eg, the electronic circuit and the printed circuit board of the portable electronic device 100 ). For both directional microphones 105a, 105b, a common hole 103a is mounted in the housing 101, and for each of the directional microphones 105a, 105b, the other two holes are mounted in the housing 101, i.e. for the first direction The second hole 103b...

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PUM

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Abstract

The invention relates to a portable electronic device (100), comprising: a casing (101) containing at least one hole (103); and at least Two directional microphones (105a, 105b), each of which defines a main sound axis and each of said two directional microphones (105a, 105b) defines a direct sound direction and opposite sound direction in two opposite directions of the main sound axis, wherein said at least one hole (103) is a common hole (103a) shared between said at least two directional microphones (105a, 105b), The main sound axes of the at least two directional microphones (105a, 105b) are directed in different directions through the common aperture (103a).

Description

technical field [0001] The present invention relates to portable electronic devices with microphones for stereo recording, in particular mobile phones, smartphones and tablets with microphones for stereo recording. Background technique [0002] like Image 6 The XY technique for stereo recording depicted in uses two coincident microphones 605a, 605b, which means that the microphone capsules are at the same location, i.e., the two microphones 605a, 605b are mounted close together for almost complete Prevent delay effects. Under ideal conditions, this produces a pure intensity stereo signal that can be focused onto mono without comb filtering effects. This provides unlimited mono compatibility. [0003] The XY technique uses two identical directional microphones 605a, 605b, eg cardioid or figure-of-eight microphones. With respect to the recording axis 610, they are arranged at equal and opposite offset angles α with respect to their main direction 602a of stereo recording. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/03H04M1/02H04R1/40H04R5/027
CPCH04M1/0202H04M1/035H04R5/027H04R2499/11H04R1/08
Inventor 张德明大卫·维雷特郎玥
Owner HUAWEI TECH CO LTD