CN105959839A - Audio output device and method - Google Patents
Audio output device and method Download PDFInfo
- Publication number
- CN105959839A CN105959839A CN201610509547.3A CN201610509547A CN105959839A CN 105959839 A CN105959839 A CN 105959839A CN 201610509547 A CN201610509547 A CN 201610509547A CN 105959839 A CN105959839 A CN 105959839A
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- China
- Prior art keywords
- agitator
- output
- audio frequency
- signal
- conductive features
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Abstract
The embodiment of the invention provides an audio output device, and relates to the technical field of terminals. The audio output device can provide the sealing performance of the device to a certain extent in order to improve the dustproof and waterproof effects. According to the audio output device provided by the invention, oscillators are arranged in the device, the oscillators are arranged on conduction devices in the device and are connected to an audio original electrical signal output end of the device, and the conduction devices comprise a shell or a display screen of the device. In the device, a to-be-output audio signal is converted into an electrical signal; the electrical signal is transmitted to the oscillators via the audio original electrical signal output end to cause the oscillators to vibrate; and the conduction devices are driven by the vibration to vibrate to propel the air surrounding the conduction devices to vibrate so as to output the to-be-output audio signal. The embodiment of the device and method is applicable to an audio output process of the terminals.
Description
[technical field]
The present invention relates to field of terminal technology, particularly relate to the device and method of a kind of audio frequency output.
[background technology]
Receiver, is commonly called as receiver, is the common ingredient of mobile terminal, is that one is capable of electroacoustic
The device that can convert.Its operation principle is the audio electrical signal feed-in voice coil loudspeaker voice coil of change, and voice coil loudspeaker voice coil is placed in one forever
In the magnetic gap of magnet magnetic circuit, voice coil loudspeaker voice coil enters because of the driving of electromagnetic force of change produced by the electric current of change
Row vibrations, and then promote air before and after vibrating diaphragm driving, produce sound wave.
During realizing the present invention, inventor finds to there is problems in that due to sound in prior art
Frequently needing vibrating diaphragm to promote air will put outside sound in output procedure, therefore, receiver is being arranged on
Need in device housings upper shed during mobile device, have impact on the effect of equipment dustproof and waterproof.
[summary of the invention]
In view of this, embodiments provide the device and method of a kind of audio frequency output, can be necessarily
The sealing of device is provided in degree, improves the effect of dustproof and waterproof.
First aspect, embodiments provides the device of a kind of audio frequency output, is provided with vibration in described device
Device, described agitator is arranged on the conductive features of described device, is connected to the original telecommunications of audio frequency of described device
Number outfan, described conductive features includes shell or the display screen of described device.
Aspect as above and arbitrary possible implementation, it is further provided a kind of implementation, described
The orientation of oscillation of agitator is perpendicular to described conductive features place plane.
Aspect as above and arbitrary possible implementation, it is further provided a kind of implementation, described
Annexation between agitator with described conductive features is connected for fixing.
Aspect as above and arbitrary possible implementation, it is further provided a kind of implementation, described
Agitator is fixedly connected on the middle position of described conductive features.
Aspect as above and arbitrary possible implementation, it is further provided a kind of implementation, described
The driving electric current of agitator is alternating current.
Aspect as above and arbitrary possible implementation, it is further provided a kind of implementation, described
The operating frequency of agitator is between 170Hz to 250Hz.
Aspect as above and arbitrary possible implementation, it is further provided a kind of implementation, described
The acceleration of vibration of agitator is 0.7G.
Second aspect, the embodiment of the present invention additionally provide a kind of audio frequency output method, aspect as above and
Arbitrary possible implementation, described method includes:
Audio signal to be output is converted into the signal of telecommunication；
The described signal of telecommunication is transmitted to agitator by audio frequency raw electrical signal outfan, so that described agitator
Vibrate；
Vibrated by conductive features described in described vibratory drive, to promote around described conductive features
Gas vibrates, thus described audio signal to be output is exported.
The third aspect, the embodiment of the present invention additionally provide a kind of audio frequency output device, aspect as above and
Arbitrary possible implementation, described device includes:
Conversion unit, for being converted into the signal of telecommunication by audio signal to be output；
Output unit, for by the described signal of telecommunication by the transmission of audio frequency raw electrical signal outfan to agitator, with
Described agitator is vibrated；
Driver element, for being vibrated by conductive features described in described vibratory drive, described to promote
Gas around conductive features vibrates, thus described audio signal to be output is exported.
The device and method of the audio frequency output that the embodiment of the present invention provides, by the device such as device case or display screen
Itself is as the substrate of sound conduction, is set an agitator driven this substrate to carry out vibration to complete sound by interior
Output.Playing to realize sound compared to needing the most separately to set opening in prior art, the present invention is real
The device that executing example provides sets an agitator in only needing, it is not necessary in housing upper shed or perforate, improve dress
Put the sealing of itself, be conducive to provide the effect of water proof and dust proof.
[accompanying drawing explanation]
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to required in embodiment
The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention's
Some embodiments, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the device composition diagram of a kind of audio frequency output that the embodiment of the present invention provides；
Fig. 2 is the method flow diagram of a kind of audio frequency output that the embodiment of the present invention provides；
Fig. 3 is the curve chart of the audio frequency receiving sensitivity of micro-telephone receiver in prior art；
Fig. 4 is the curve chart of the audio frequency receiving sensitivity of the audio output device that the embodiment of the present invention provides；
Fig. 5 is the device composition diagram of the another kind of audio frequency output that the embodiment of the present invention provides；
Fig. 6 is the device composition diagram of the another kind of audio frequency output that the embodiment of the present invention provides.
[detailed description of the invention]
In order to be better understood from technical scheme, below in conjunction with the accompanying drawings the embodiment of the present invention is carried out
Describe in detail.
It will be appreciated that described embodiment a part of embodiment that is only the present invention rather than whole
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The all other embodiments obtained under dynamic premise, broadly fall into the scope of protection of the invention.
The term used in embodiments of the present invention be only merely for describe specific embodiment purpose, rather than
It is intended to limit the present invention.Singulative used in the embodiment of the present invention and appended claims
" a kind of ", " described " and " being somebody's turn to do " is also intended to include most form, unless context clearly shows that
Other implications.
Should be appreciated that term "and/or" used herein is only a kind of association describing affiliated partner
Relation, can there are three kinds of relations, such as, A and/or B, can represent in expression: individualism A,
There is A and B, individualism B these three situation simultaneously.It addition, character "/", general table herein
Show the forward-backward correlation relation to liking a kind of "or".
The device of a kind of audio frequency of embodiment of the present invention output, it is adaptable to include the intelligent mobile such as mobile phone, panel computer
In interior terminal, it is similar with the micro-telephone receiver in existing terminal that it realizes principle, is all by by electricity
Signal is converted into vibration action, to promote the air around resonator device to be gone out by sound transmission, with prior art
Visibly different, the audio output device that the embodiment of the present invention provides passes through housing or the display screen of device itself
Promote air vibration rather than realized by common vibrating diaphragm.Its structure is as it is shown in figure 1, include vibration
Device 11, described agitator 11 is arranged on the conductive features 12 of described device, is connected to the sound of described device
Frequently raw electrical signal outfan 13, described conductive features 12 includes shell 14 or the display screen 15 of described device.
Wherein, audio frequency raw electrical signal outfan 13 is generally located on hardware substrate 16 (such as PCB), by being positioned at
CPU on this hardware substrate 16 controls its output signal.
Based on aforementioned structure as shown in Figure 1, its workflow can be found in shown in Fig. 2, including:
201, audio signal to be output is converted into the signal of telecommunication；
202, the described signal of telecommunication is transmitted to agitator 11 by audio frequency raw electrical signal outfan 13, so that
Obtain described agitator 11 to vibrate.
Wherein it is desired to explanation, input herein to agitator 11 audio frequency raw electrical signal to be output with
The audio frequency raw electrical signal that tradition micro-telephone receiver is received there is no substantive difference.The i.e. embodiment of the present invention provides
Agitator when being operated, can the most again modulate acoustical signal to be output.
203, vibrated by conductive features 12 described in described vibratory drive, to promote described conductive features
Gas around 12 vibrates, thus described audio signal to be output is exported.
The device of the audio frequency output that the embodiment of the present invention provides, is made by the device such as device case or display screen itself
For the substrate of sound conduction, set an agitator drive this substrate to carry out vibration to complete voice output by interior.
Playing to realize sound compared to needing the most separately to set opening in prior art, the embodiment of the present invention carries
The device of confession sets an agitator in only needing, it is not necessary in housing upper shed or perforate, improves device itself
Sealing, be conducive to provide the effect of water proof and dust proof.
Furthermore, it is understood that in order to be conducive to driving conductive features 12 to vibrate, shaking of the most described agitator
Swing direction to be typically chosen and be perpendicular to described conductive features place plane, owing to device case or display screen are generally sheet
Shape, therefore based on such direction of vibration, agitator can effectively drive whole conduction vibrating when
Device vibrates, and such sound can be propagated along the resonance face that conductive features is maximum.Certainly other can
It is all optional with the direction that driving conductive features 12 carries out vibrating.
It addition, the annexation between described agitator 11 with described conductive features 12 is generally fixed and is connected,
So that conductive features together vibrates with agitator, to reduce the energy loss during Vibration propagation.
The position of agitator can select according to the hardware arrangement within device, it is preferred that described agitator
It is fixedly connected on the middle position of described conductive features.
Additionally, the driving electric current of described agitator typically need to use alternating current, the operating frequency of described agitator exists
Between 170Hz to 250Hz, typically may select at 205Hz.The acceleration of vibration of described agitator is 0.7G,
I.e. agitator vibrates, between positive and negative peak swing and initial position at the object driving about 100g
The acceleration that can reach when vibrating is 0.7G.
Based on aforementioned structure and workflow, the embodiment of the present invention there is provided herein as shown in Figure 3 and Figure 4
The test design sketch of audio frequency receiving sensitivity, Fig. 3 is that the micro-telephone receiver of existing terminal exports each frequency
Audio frequency receiving sensitivity curve corresponding during audio signal, the device that Fig. 4 provides for the embodiment of the present invention is defeated
Go out audio frequency receiving sensitivity curve corresponding during each frequency audio signal.Two figures bend more curve
For respective audio frequency receiving sensitivity curve, audio frequency receiving sensitivity curve two curves up and down then
It is threshold line, refers to that audio frequency receiving sensitivity curve have to be between upper and lower two threshold lines, if beyond,
It is considered as the output of equipment audio frequency defective.It can clearly be seen that the device that the embodiment of the present invention provides provides
Meet the audio frequency receiving sensitivity curve of threshold line, there is reliable practicality.
The embodiment of the present invention additionally provides the device of a kind of audio frequency output, and its composition is as it is shown in figure 5, described device
Including:
Conversion unit 31, for being converted into the signal of telecommunication by audio signal to be output.
Output unit 32, for the described signal of telecommunication is transmitted to agitator by audio frequency raw electrical signal outfan,
So that described agitator vibrates.
Driver element 33, for being vibrated by conductive features described in described vibratory drive, described to promote
Gas around conductive features vibrates, thus described audio signal to be output is exported.
The device of the audio frequency output that the embodiment of the present invention provides, is made by the device such as device case or display screen itself
For the substrate of sound conduction, set an agitator drive this substrate to carry out vibration to complete voice output by interior.
Playing to realize sound compared to needing the most separately to set opening in prior art, the embodiment of the present invention carries
The device of confession sets an agitator in only needing, it is not necessary in housing upper shed or perforate, improves device itself
Sealing, be conducive to provide the effect of water proof and dust proof.
The embodiment of the present invention additionally provides the device of a kind of audio frequency output, and it forms as shown in Figure 6, except agitator
11, outside conductive features 12, audio frequency raw electrical signal outfan 13, this device also includes one or more (figure
In only illustrate one) processor 41, memorizer 42 and Peripheral Interface 43 etc..Processor 41, memorizer 42
With Peripheral Interface 43 assembly such as grade by the one or more mutual communication of communication bus.Wherein, described memorizer 42
Can be used for storing software program, described processor 41 passes through to call the software program being stored in memorizer 42,
Thus perform the application of various function and data process, such as the side of a kind of audio frequency output that the embodiment of the present invention provides
Method.
Memorizer 42 can include high speed random access memory, may also include nonvolatile memory, such as one or
Multiple magnetic storage devices, flash memory or other non-volatile solid state memories.
Various input/output devices are coupled to processor 41 and memorizer 42 by Peripheral Interface 43.At some
In embodiment, Peripheral Interface 43, processor 41 can realize in one single chip.In some other embodiment
In, they can be realized by independent chip respectively.
Specifically,
Processor 41, for being converted into the signal of telecommunication by audio signal to be output.
Peripheral Interface 43, for transmitting the described signal of telecommunication to vibration by audio frequency raw electrical signal outfan 13
Device 11, so that described agitator 11 vibrates.
Agitator 11, for being vibrated by conductive features 12 described in self vibratory drive, described to promote
Gas around conductive features vibrates, thus described audio signal to be output is exported.
It is appreciated that the structure shown in Fig. 6 is only signal, the device of the audio frequency output provided in the present embodiment
May also include the assembly more or more less than shown in Fig. 6, or there is the configuration different from shown in Fig. 6.
Each assembly shown in Fig. 6 can use hardware, software or a combination thereof to realize.
The device of the audio frequency output that the embodiment of the present invention provides, is made by the device such as device case or display screen itself
For the substrate of sound conduction, set an agitator drive this substrate to carry out vibration to complete voice output by interior.
Playing to realize sound compared to needing the most separately to set opening in prior art, the embodiment of the present invention carries
The device of confession sets an agitator in only needing, it is not necessary in housing upper shed or perforate, improves device itself
Sealing, be conducive to provide the effect of water proof and dust proof.
The embodiment of the present invention also provides for a kind of computer program being used in combination with device, described computer journey
Sequence product includes computer-readable storage medium and is embedded in computer program mechanism therein, described computer
Procedure mechanism include perform following steps instruction:
Audio signal to be output is converted into the signal of telecommunication.
The described signal of telecommunication is transmitted to agitator by audio frequency raw electrical signal outfan, so that described agitator
Vibrate.
Vibrated by conductive features described in described vibratory drive, to promote the gas around described conductive features
Vibrate, thus described audio signal to be output is exported.
The computer program for audio frequency output that the embodiment of the present invention provides, by device case or display
The devices such as screen itself as the substrate of sound conduction, are set an agitator driven this substrate to vibrate by interior
Complete voice output.Play to realize sound compared to prior art needs the most separately to set opening,
The device that the embodiment of the present invention provides sets an agitator in only needing, it is not necessary in housing upper shed or perforate,
Improve the sealing of device itself, be conducive to provide the effect of water proof and dust proof.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and foregoing description
The specific works process of system, device and unit, is referred to the corresponding process in preceding method embodiment,
This repeats no more.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and
Method, can realize by another way.Such as, device embodiment described above is only shown
Meaning property, such as, the division of described unit, be only a kind of logic function and divide, actual can when realizing
There to be other dividing mode, such as, multiple unit or assembly can in conjunction with or be desirably integrated into another
Individual system, or some features can ignore, or do not perform.Another point, shown or discussed mutual it
Between coupling direct-coupling or communication connection can be the indirect coupling by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Or can also be distributed on multiple NE.Can select according to the actual needs part therein or
The whole unit of person realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a list
In unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds software
The form of functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer
In read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some fingers
Make with so that a computer installation (can be personal computer, server, or network equipment etc.)
Or processor (Processor) performs the part steps of method described in each embodiment of the present invention.And it is aforementioned
Storage medium include: USB flash disk, portable hard drive, read only memory (Read-Only Memory, ROM),
Random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various
The medium of program code can be stored.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. done, should be included in
Within the scope of protection of the invention.
Claims (9)
1. the device of an audio frequency output, it is characterised in that be provided with agitator in described device, wherein, institute
State agitator to be arranged on the conductive features of described device, and described agitator to be connected to the audio frequency of described device former
Beginning electrical signal, described conductive features includes shell and/or the display screen of described device.
Device the most according to claim 1, it is characterised in that the orientation of oscillation of described agitator is vertical
In described conductive features place plane.
Device the most according to claim 1, it is characterised in that described agitator and described conductive features
Between annexation connect for fixing.
Device the most according to claim 3, it is characterised in that described agitator is fixedly connected on described
The middle position of conductive features.
Device the most according to claim 1, it is characterised in that the driving electric current of described agitator is for handing over
Stream electricity.
Device the most according to claim 5, it is characterised in that the operating frequency of described agitator exists
Between 170Hz to 250Hz.
Device the most according to claim 1, it is characterised in that the acceleration of vibration of described agitator is
0.7G。
8. a method for audio frequency output, is applied to audio frequency as claimed in any of claims 1 to 7 in one of claims
The device of output, it is characterised in that described method includes:
Audio signal to be output is converted into the signal of telecommunication；
The described signal of telecommunication is transmitted to agitator by audio frequency raw electrical signal outfan, so that described agitator
Vibrate；
Vibrated by conductive features described in described vibratory drive, to promote the gas around described conductive features
Vibrate, thus described audio signal to be output is exported.
9. a device for audio frequency output, is applied to audio frequency as claimed in any of claims 1 to 7 in one of claims
The device of output, it is characterised in that described device includes:
Conversion unit, for being converted into the signal of telecommunication by audio signal to be output；
Output unit, for by the described signal of telecommunication by the transmission of audio frequency raw electrical signal outfan to agitator, with
Described agitator is vibrated；
Driver element, for vibrating by conductive features described in described vibratory drive, to promote described conduction
Gas around device vibrates, thus described audio signal to be output is exported.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509547.3A CN105959839A (en) | 2016-06-30 | 2016-06-30 | Audio output device and method |
| PCT/CN2016/110684 WO2018000763A1 (en) | 2016-06-30 | 2016-12-19 | Audio output device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509547.3A CN105959839A (en) | 2016-06-30 | 2016-06-30 | Audio output device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105959839A true CN105959839A (en) | 2016-09-21 |
Family
ID=56903023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610509547.3A Pending CN105959839A (en) | 2016-06-30 | 2016-06-30 | Audio output device and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105959839A (en) |
| WO (1) | WO2018000763A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000763A1 (en) * | 2016-06-30 | 2018-01-04 | 乐视控股（北京）有限公司 | Audio output device and method |
| CN107979671A (en) * | 2017-11-22 | 2018-05-01 | 北京小米移动软件有限公司 | Mobile terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234277Y (en) * | 2008-06-26 | 2009-05-06 | 宇龙计算机通信科技(深圳)有限公司 | Mobile phone display screen |
| US20150237426A1 (en) * | 2014-02-18 | 2015-08-20 | Google Technology Holdings LLC | Supplementary earpiece for moving display |
| CN104919816A (en) * | 2013-01-07 | 2015-09-16 | 诺基亚技术有限公司 | A speaker apparatus |
| CN204733379U (en) * | 2015-05-21 | 2015-10-28 | 歌尔声学股份有限公司 | Piezoelectric buzzer, electro-acoustic conversion device and electronic equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102229137B1 (en) * | 2014-05-20 | 2021-03-18 | 삼성디스플레이 주식회사 | Display apparatus |
| CN105959839A (en) * | 2016-06-30 | 2016-09-21 | 乐视控股（北京）有限公司 | Audio output device and method |
-
2016
- 2016-06-30 CN CN201610509547.3A patent/CN105959839A/en active Pending
- 2016-12-19 WO PCT/CN2016/110684 patent/WO2018000763A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201234277Y (en) * | 2008-06-26 | 2009-05-06 | 宇龙计算机通信科技(深圳)有限公司 | Mobile phone display screen |
| CN104919816A (en) * | 2013-01-07 | 2015-09-16 | 诺基亚技术有限公司 | A speaker apparatus |
| US20150237426A1 (en) * | 2014-02-18 | 2015-08-20 | Google Technology Holdings LLC | Supplementary earpiece for moving display |
| CN204733379U (en) * | 2015-05-21 | 2015-10-28 | 歌尔声学股份有限公司 | Piezoelectric buzzer, electro-acoustic conversion device and electronic equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000763A1 (en) * | 2016-06-30 | 2018-01-04 | 乐视控股（北京）有限公司 | Audio output device and method |
| CN107979671A (en) * | 2017-11-22 | 2018-05-01 | 北京小米移动软件有限公司 | Mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018000763A1 (en) | 2018-01-04 |
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Application publication date: 20160921 |