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Portable electronic device with microphone for stereo audio recording

A technology of electronic devices, microphones, applied in the direction of spatial/structural arrangement of microphones, stereophonic systems, frequency/directional characteristic devices, etc.

Active Publication Date: 2017-06-20
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 audio recording
  • Portable electronic device with microphone for stereo audio recording
  • Portable electronic device with microphone for stereo audio recording

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0072] figure 1 A perspective view is shown including a front view 180 , a bottom view 182 and a side view 184 of the portable electronic device 100 arranged in a vertical position according to an implementation form.

[0073] 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 towards which the directional microphones 105a, 105b are directed, and an opposite sound direction 106b. The portable electronic device 100 includes a housing 101 for housing the portable electronic device, ie, for example, the electronic circuitry and the printed circuit board of the portable electronic device 100 . A first hole 109 and a second hole 111 for each of the directional microphones 105a, 105b are arranged in the housing, the first hole 109 being located at a different side of the portable electronic device 100 than the second hole 111 . When the...

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PUM

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Abstract

The present invention relates to a portable electronic device (100), comprising: at least two directional microphones (105a, 105b) for stereo pickup, each of the two directional microphones (105a, 105b) defining a the direct sound direction to which the directional microphones (105a, 105b) are directed and the opposite sound direction; and a housing (101) comprising a A first hole (109) and a second hole (111) of each, the first hole (109) being located at a different side of the portable electronic device (100) than the second hole (111).

Description

technical field [0001] The present invention relates to portable electronic devices with microphones for stereo audio recording, and in particular to mobile phones, smartphones and tablets with microphones for stereo audio recording. Background technique [0002] Such as Figure 9 The XY technique for stereo audio recording depicted in uses two coincident microphones 905a, 905b, which means that the microphone capsules at the same location, ie the two microphones 905a, 905b are mounted closely together to prevent almost All delay effects. Under ideal conditions, this would produce a pure intensity stereo signal that could be focused onto mono without comb filter effects. This provides unrestricted mono compatibility. [0003] The XY technique uses two identical directional microphones 905a, 905b, such as cardioid or figure-of-eight microphones. With respect to the recording axis 910, they are arranged at equal and opposite offset angles α with respect to the main directio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/03H04M1/02H04R1/40H04R5/027
CPCH04M1/0202H04M1/035H04R5/027H04M2250/12H04R2499/11H04S1/00
Inventor 张德明大卫·维雷特郎玥
Owner HUAWEI TECH CO LTD