CN101115083A - External connection type microphone module - Google Patents
External connection type microphone module Download PDFInfo
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- CN101115083A CN101115083A CNA2006101100286A CN200610110028A CN101115083A CN 101115083 A CN101115083 A CN 101115083A CN A2006101100286 A CNA2006101100286 A CN A2006101100286A CN 200610110028 A CN200610110028 A CN 200610110028A CN 101115083 A CN101115083 A CN 101115083A
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- external connection
- connection type
- microphone
- microphone module
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Abstract
An externally connected typed transmitter module is used for connecting an electronic device. The electronic device is provided with a first sound input hole. The externally connected typed transmitter module comprises an array transmitter, a numeral signal processor, and a first connecting part, wherein, the array transmitter receives sound and then produces a first electronic signal. After being received by the numeral signal processor, the first electronic signal can be formed into a beam and the noise can be suppressed in order to receive a second electronic signal. The first connecting part is inserted into the first sound input hole and then the second electronic signal can be transmitted into an electronic device.
Description
Technical field
The present invention is about the good external connection type microphone module of a kind of radio reception quality.
Background technology
See also Fig. 1, Fig. 1 is the schematic diagram of traditional external connection type microphone module.This microphone module 11 utilizes base 12 to stand on the table, an omni-directional microphone (Omni-Directional Microphone) or directive property microphone (Uni-DirectionalMicrophone) 18 are set in microphone module 11 receive sound, and be connected to for example notebook with sound source wire 14, be used to provide functions such as Internet phone-calling or recording.
Yet, utilize single microphone 18 to receive sound, be subjected to the interference of ambient noise easily, also have echo, radio reception bad sometimes.
Summary of the invention
In view of this, the invention provides a kind of external connection type microphone module, have preferred radio reception quality.
External connection type microphone module of the present invention is used to connect electronic installation, and this electronic installation comprises the first sound input hole.External connection type microphone module of the present invention comprises microphone array, digital signal processor and first connecting portion.Wherein, microphone array receives sound and produces first electronic signal.Digital signal processor receives first electronic signal, carries out wave beam then and forms and noise suppression, and obtain second electronic signal.First connecting portion inserts the first sound input hole, and second electronic signal is reached electronic installation.
Above-mentioned external connection type microphone module can also comprise a battery or a USB (USB) connector, is used to provide electric power to digital signal processor.
Above-mentioned external connection type microphone module can also comprise a housing, and microphone array and digital signal processor are arranged in the housing, and first linking part is arranged on outside the housing.
Wherein, electronic installation can also comprise one first voice output hole, and external connection type microphone module also comprises one second connecting portion, inserts the first voice output hole, and one the 3rd electronic signal that electronic installation is exported offers digital signal processor to carry out echo cancellation.
Perhaps above-mentioned external connection type microphone module can also comprise a housing, one the 3rd linking part and a box body, microphone array is arranged in the housing, the 3rd linking part protrudes in outside the housing and in separable mode and is linked to box body, digital signal processor is arranged in the box body, and is linked to electronic installation by first linking part and second linking part.
Above-mentioned box body can comprise one second sound input hole and one second sound delivery outlet, and the 3rd linking part is linked to the second sound input hole.
Wherein, microphone array can comprise a directive property microphone and an omni-directional microphone.Above-mentioned external connection type microphone module can comprise also that one switches switch, optionally opens or closes the directive property microphone.
Perhaps microphone array comprises two omni-directional microphones.Above-mentioned external connection type microphone module can comprise also that one switches switch, optionally opens or closes a wherein directive property microphone.
Perhaps microphone array comprises two directive property microphones.
Above-mentioned electronic installation comprises mobile phone, PDA(Personal Digital Assistant) or global positioning system (GPS).
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly also cooperates appended accompanying drawing to elaborate.
Description of drawings
Fig. 1 is the schematic diagram of traditional external connection type microphone module;
Fig. 2 A is the schematic diagram according to first embodiment of external connection type microphone module of the present invention;
Fig. 2 B is the schematic diagram that replaces battery in the first embodiment of the present invention with universal serial bus connector;
Fig. 3 is the schematic diagram according to second embodiment of external connection type microphone module of the present invention;
Fig. 4 is the schematic diagram according to the 3rd embodiment of external connection type microphone module of the present invention.
The primary clustering symbol description
Conventional art
11～microphone module, 12～base
14～sound source wire, 18～microphone
The present invention
20～electronic installation, 21～the first sound input holes
22～the first voice output holes, 30～microphone module
31～microphone array, 32～digital signal processor
33～battery, 34～diverter switch
35～the first connecting portions, 36～universal serial bus connector
39～housing, 40～microphone module
41～microphone array, 42～digital signal processor
43～battery, 44～diverter switch
45～the first connecting portions, 46～the second connecting portions
49～housing, 51～microphone array
52～the 3rd connecting portion 59～housings
61～digital signal processor, 62～battery
63～the 3rd sound input holes 64～the 3rd voice output hole
65～diverter switch, 66～the second sound delivery outlets
67～the second sound input holes, 69～box body
70～microphone module, 71～the first connecting portions
72～the second connecting portions
Embodiment
See also Fig. 2 A, Fig. 2 A is the schematic diagram according to first embodiment of external connection type microphone module of the present invention.Wherein, microphone module 30 is connected in notebook 20, but can recognize, microphone module of the present invention also can be applied to mobile phone, PDA(Personal Digital Assistant), global positioning system (GPS) and wait on other electronic installation.
This microphone module 30 comprises an array microphone (Array Microphone) 31, one digital signal processor (Digital Signal Processor, DSP) 32, one battery 33, switches switch 34, one first connecting portion 35 and a housing 39, and division is as follows:
In the present embodiment, housing 39 is L shaped haply, and microphone array 31, digital signal processor 32 and battery 33 all are arranged in the housing 39, and diverter switch 34 is arranged on the housing 39, and 35 of first connecting portions protrude in outside the housing 39.
First electronic signal that digital signal processor (DSP) 32 receiving array microphones 31 transmit is carried out wave beam then and is formed the processing such as (Noise Suppression) of (Beam-Forming) and noise suppression, and obtains one second electronic signal.
Notebook 20 has the first sound input hole (Sound-Input Jack), the 21 and first voice output hole (Sound-Output Jack) 22, microphone module 30 utilizes first connecting portion 35 to insert the first sound input hole 21, and second electronic signal that digital signal processor (DSP) 32 produces is imported in the notebook 20, so that the user can record, Internet phone-calling or other application.
As previously mentioned, microphone array 31 has directive property, be fit to receive the external sound of specific direction, yet in some occasion (for example in the meeting), may need comprehensive reception sound, the user can press diverter switch 34 and close directive property microphone in the microphone array 31, only receives sound with the omni-directional microphone, digital signal processor this moment (DSP) 32 need not carry out wave beam and form (Beam-Forming), only carries out the calculation process of noise suppression (Noise Suppression).
In the middle of the foregoing description, microphone array 31 adds that by an omni-directional microphone directive property microphone is constituted, but can recognize, microphone array also can constitute by two omni-directional microphones or by two directive property microphones.When microphone array is made of two omni-directional microphones, still can utilizes diverter switch 34 to close a wherein omni-directional microphone, and then make radio-receiving mode change omni-directional mode into by directing mode.Yet, when microphone array is made of two directive property microphones, no matter close arbitrary directive property microphone, all can't make radio-receiving mode change omni-directional mode into by directing mode, in other words this kind microphone module only has the operator scheme of directive property, does not need to be provided with diverter switch 34.
See also Fig. 3, Fig. 3 is the schematic diagram according to second embodiment of external connection type microphone module of the present invention.Wherein, microphone module 40 comprises that an array microphone 41, a digital signal processor 42, a battery 43, switch switch 44, one first connecting portion 45, one second connecting portion 46 and a housing 49, and division is as follows:
In the present embodiment, housing 49 is strip haply, microphone array 41, digital signal processor 42 and battery 43 all are arranged in the housing 49, diverter switch 44 is arranged on the housing 49, first connecting portion 45 and 46 of second connecting portions are arranged on outside the housing 49, and insert the first sound input hole 21 and the first voice output hole 22 respectively.
First electronic signal that digital signal processor 42 receiving array microphones 41 transmit, receive the 3rd electronic signal (remote signal) that notebook 20 transmits via second connecting portion 46 simultaneously, form (Beam-Forming), noise suppression (Noise Suppression) to carry out wave beam, and echo cancellation processing such as (EchoCancellation), and obtain one second electronic signal (near end signal), import in the notebook 20 via first connecting portion 45 again, so that the user can record, Internet phone-calling or other application.
As previously mentioned, microphone array 41 has directive property, be fit to receive the external sound of specific direction, yet in some occasion (for example in the meeting), may need comprehensive reception sound, the user can press diverter switch 44 and close directive property microphone in the microphone array 41, only receive sound with the omni-directional microphone, digital signal processor this moment (DSP) 42 need not carry out wave beam and form (Beam-Forming), the calculation process of only carrying out noise suppression (Noise Suppression) and echo cancellation (Echo Cancellation).
In the middle of present embodiment, microphone array 31 adds that by an omni-directional microphone directive property microphone is constituted, but can recognize, microphone array also can constitute by two omni-directional microphones or by two directive property microphones.When microphone array is made of two omni-directional microphones, still can utilizes diverter switch 44 to close a wherein omni-directional microphone, and then make radio-receiving mode change omni-directional mode into by directing mode.Yet, when microphone array is made of two directive property microphones, no matter close arbitrary directive property microphone, all can't make radio-receiving mode change omni-directional mode into by directing mode, in other words this kind microphone module only has the operator scheme of directive property, does not need to be provided with diverter switch 44.
See also Fig. 4, Fig. 4 is the schematic diagram according to the 3rd embodiment of external connection type microphone module of the present invention.Wherein, microphone module 70 comprises that a housing 59, an array microphone 51, a box body 69, a digital signal processor 61, a battery 62, switch switch 65, one first connecting portion 71, one second connecting portion 72 and one the 3rd connecting portion 52, and division is as follows:
In the present embodiment, housing 59 is L shaped haply, and microphone array 51 is arranged in the housing 59, and the 3rd connecting portion 52 protrudes in outside the housing 59.
First electronic signal that digital signal processor 61 transmits via the 3rd connecting portion 52 receiving array microphones 51, receive the 3rd electronic signal (remote signal) that notebook 20 transmits via second connecting portion 72 simultaneously, form (Beam-Forming) to carry out wave beam, noise suppression (Noise Suppression), and echo cancellation processing such as (Echo Cancellation), and obtain one second electronic signal (near end signal), import in the notebook 20 via first connecting portion 71 again, so that the user can record, Internet phone-calling or other application.
Required electric power when battery 62 is used to digital signal processor (DSP) 61 computings are provided.Yet also can provide electric power by USB (USB) connector (not shown) replacement battery 62.
As previously mentioned, microphone array 51 has directive property, be fit to receive the external sound of specific direction, yet in some occasion (for example in the meeting), may need comprehensive reception sound, the user can press diverter switch 65 and close directive property microphone in the microphone array 51, only receive sound with the omni-directional microphone, digital signal processor this moment (DSP) 42 need not carry out wave beam and form (Beam-Forming), the calculation process of only carrying out noise suppression (Noise Suppression) and echo cancellation (Echo Cancellation).
In the middle of present embodiment, microphone array 51 adds that by an omni-directional microphone directive property microphone is constituted, but can recognize, microphone array also can constitute by two omni-directional microphones or by two directive property microphones.When microphone array is made of two omni-directional microphones, still can utilizes diverter switch 65 to close a wherein omni-directional microphone, and then make radio-receiving mode change omni-directional mode into by directing mode.Yet, when microphone array is made of two directive property microphones, no matter close arbitrary directive property microphone, all can't make radio-receiving mode change omni-directional mode into by directing mode, in other words this kind microphone module only has the operator scheme of directive property, does not need to be provided with diverter switch 65.
By above narration as can be known, the invention provides a kind of external connection type microphone module, be equipped with microphone array, preferred radio reception quality can be provided, also changeable whenever necessary one-tenth omni-directional microphone satisfies the different demand of user.
Though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; have in any its affiliated technical field and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can changing arbitrarily and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (13)
1. an external connection type microphone module is used to connect an electronic installation (20), and this electronic installation comprises one first sound input hole (21), and this external connection type microphone module comprises:
An array microphone (31,41,51) receives sound and produces one first electronic signal;
One digital signal processor (32,42,61) receives this first electronic signal, carries out wave beam then and forms and noise suppression, and obtain one second electronic signal;
One first connecting portion (35,45,71) inserts this first sound input hole (21), and this second electronic signal is reached this electronic installation (20).
2. external connection type microphone module according to claim 1 is characterized in that, also comprises a battery (33,43,62), provides electric power to this digital signal processor (32,42,61).
3. external connection type microphone module according to claim 1 is characterized in that, also comprises a USB (USB) connector (36), provides electric power to this digital signal processor (32,42,61).
4. external connection type microphone module according to claim 1, it is characterized in that, also comprise a housing (39,49), this microphone array (31,41) and this digital signal processor (32,42) be arranged in this housing (39,49) this first linking part (35,45) be arranged on outside this housing (39,49).
5. external connection type microphone module according to claim 1, it is characterized in that, this electronic installation (20) also comprises one first voice output hole (22), this external connection type microphone module also comprises one second connecting portion (46,72), insert this first voice output hole (22), one the 3rd electronic signal that this electronic installation (20) is exported offers this digital signal processor (42,61) to carry out echo cancellation.
6. external connection type microphone module according to claim 5, it is characterized in that, also comprise a housing (59), one the 3rd linking part (52) and a box body (69), this microphone array (51) is arranged in this housing (59), the 3rd linking part (52) protrudes in outside this housing (59) and in separable mode and is linked to this box body (69), this digital signal processor (61) is arranged in this box body (69), and is linked to this electronic installation (20) by this first linking part (71) and this second linking part (72).
7. external connection type microphone module according to claim 6 is characterized in that, this box body (69) comprises one second sound input hole (67) and one second sound delivery outlet (66), and the 3rd linking part (52) is linked to this second sound input hole (67).
8. external connection type microphone module according to claim 1 is characterized in that, this microphone array comprises a directive property microphone and an omni-directional microphone.
9. external connection type microphone module according to claim 8 is characterized in that, comprises that also one switches switch (34,44,65), optionally opens or closes this directive property microphone.
10. external connection type microphone module according to claim 1 is characterized in that, this microphone array comprises two omni-directional microphones.
11. external connection type microphone module according to claim 10 is characterized in that, comprises that also one switches switch (34,44,65), optionally opens or closes a wherein directive property microphone.
12. external connection type microphone module according to claim 1 is characterized in that, this microphone array comprises two directive property microphones.
13. external connection type microphone module according to claim 1 is characterized in that, this electronic installation comprises mobile phone, PDA(Personal Digital Assistant) or global positioning system (GPS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101100286A CN101115083A (en) | 2006-07-28 | 2006-07-28 | External connection type microphone module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101100286A CN101115083A (en) | 2006-07-28 | 2006-07-28 | External connection type microphone module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101115083A true CN101115083A (en) | 2008-01-30 |
Family
ID=39023184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101100286A Pending CN101115083A (en) | 2006-07-28 | 2006-07-28 | External connection type microphone module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101115083A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578344A (en) * | 2014-10-10 | 2016-05-11 | 深圳富泰宏精密工业有限公司 | Earphone interface state detecting system and detecting method |
| CN106028196A (en) * | 2016-07-11 | 2016-10-12 | 歌尔股份有限公司 | Earphone |
-
2006
- 2006-07-28 CN CNA2006101100286A patent/CN101115083A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578344A (en) * | 2014-10-10 | 2016-05-11 | 深圳富泰宏精密工业有限公司 | Earphone interface state detecting system and detecting method |
| CN106028196A (en) * | 2016-07-11 | 2016-10-12 | 歌尔股份有限公司 | Earphone |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080130 |