CN208834288U - Loudspeaker channel switching construction and electronic equipment - Google Patents
Loudspeaker channel switching construction and electronic equipment Download PDFInfo
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- CN208834288U CN208834288U CN201821584933.XU CN201821584933U CN208834288U CN 208834288 U CN208834288 U CN 208834288U CN 201821584933 U CN201821584933 U CN 201821584933U CN 208834288 U CN208834288 U CN 208834288U
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- analog switch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
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- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic Arrangements (AREA)
- Stereophonic System (AREA)
Abstract
The utility model provides a kind of loudspeaker channel switching construction, including audio codec, controller, analog switch group, at least one audio-frequency power amplifier and loudspeaker；Audio codec includes L channel output end and right channel output end；Wherein at least there is an audio-frequency power amplifier and audio codec is connected by analog switch group；Analog switch group includes at least one analog switch, and each analog switch includes input, output end and the control terminal of at least one；The input terminal connection L channel output end or right channel output end, an output end of analog switch of analog switch are connected with the input terminal of an audio-frequency power amplifier, and the control terminal of analog switch is connected with controller；Audio-frequency power amplifier is identical with the quantity of loudspeaker and corresponds, and the output end of each audio-frequency power amplifier is connected with a corresponding loudspeaker.The utility model also provides a kind of electronic equipment, including loudspeaker channel switching construction.
Description
[technical field]
The utility model relates to audio play-back technology fields more particularly to a kind of loudspeaker channel switching construction and electronics to set
It is standby.
[background technique]
Current electronic equipment generally only one or two loudspeakers, each loudspeaker can only fixedly export a sound
Road (L channel or right channel).Under this loudspeaker channel control model, if the position of electronic equipment or state change,
The sound of L channel or the right channel output of fixed form is not optimum position for users, and flexibility is insufficient, influences to use
Family experience.Especially only one loudspeaker when, if monophonic signal breaks down, another sound channel, meeting can not be switched to
Occur loudspeaker not sounding the case where.In consideration of it, it is really necessary to provide a kind of loudspeaker channel switching construction and electronic equipment with
Overcome drawbacks described above.
[utility model content]
The purpose of the utility model is to provide a kind of loudspeaker channel switching construction and electronic equipments, can automatically switch sound
Road promotes audio output effect.
To achieve the goals above, the utility model provides a kind of loudspeaker channel switching construction, including audio coding decoding
Device, controller, analog switch group, at least one audio-frequency power amplifier and at least one loudspeaker；The audio coding decoding
Device includes L channel output end and right channel output end；Wherein at least there is an audio-frequency power amplifier to open by the simulation
Pass group connects audio codec；The analog switch group includes at least one analog switch, and each analog switch includes at least
One input, output end and control terminal；The input terminal connection L channel output end or right channel of the analog switch
One output end of output end, the analog switch is connected with the input terminal of an audio-frequency power amplifier, the analog switch
Control terminal be connected with the controller, the controller be used for switching analoging switch strobe state；The audio power is put
Big device is identical with the quantity of loudspeaker and corresponds, the output end of each audio-frequency power amplifier and a corresponding loudspeaker
It is connected.
In a preferred embodiment, the analog switch be single pole double throw analog switch and including two input terminals,
One output end and a control terminal；Two input terminals of each analog switch are separately connected L channel output end and right channel is defeated
The input terminal connection of outlet, the output end of each analog switch and an audio-frequency power amplifier.
In a preferred embodiment, the analog switch, audio-frequency power amplifier and the loudspeaker that is correspondingly connected with
Quantity is one；The controller, which is used to for the output end of analog switch being connected to L channel output end, to be switched to and right channel
Output end is connected to or is connected to switch to right channel output end by the output end of analog switch and is connected to L channel output end.
In a preferred embodiment, the analog switch be double-pole double throw analog switch and including four input terminals,
Two output ends and a control terminal；Four input terminals of each analog switch are separately connected two L channel output ends and two
Right channel output end, two output ends of each analog switch are separately connected the input terminal of two audio-frequency power amplifiers.
In a preferred embodiment, the quantity of the audio-frequency power amplifier is multiple, wherein at least there is one
The input terminal of audio-frequency power amplifier is directly connected with L channel output end or right channel output end.
In a preferred embodiment, the controller is SCM Based Multi Channel Controller.
The utility model also provides a kind of electronic equipment, including above-mentioned loudspeaker channel switching construction.
In a preferred embodiment, the electronic equipment is additionally provided with the gravity sensor being electrically connected with controller
And gyroscope.
Compared with prior art, the utility model has the beneficial effects that: being switched by increasing analog switch by controller
The strobe state of analog switch, to achieve the effect that switch sound channel, user can adjust according to the actual situation, and flexible operation has
Conducive to promotion audio output effect.
To enable the above objects, features, and advantages of utility model to be clearer and more comprehensible, it is preferable that the utility model is cited below particularly
Embodiment, and cooperate appended attached drawing, it is described in detail below.
[Detailed description of the invention]
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural block diagram of loudspeaker channel switching construction provided by the utility model；
Fig. 2 is the connection structure diagram for the loudspeaker channel switching construction that an embodiment of the present invention provides；
Fig. 3 is the connection structure diagram for the loudspeaker channel switching construction that another embodiment of the utility model provides.
[specific embodiment]
It is clear in order to be more clear the purpose of this utility model, technical solution and advantageous effects, below in conjunction with attached
Figure and specific embodiment, the present invention will be further described in detail.It should be understood that described in this specification
Specific embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
Referring to Fig. 1, the utility model provides a kind of loudspeaker channel switching construction, including audio codec 10, control
Device 20, analog switch group 30, at least one audio-frequency power amplifier 40 and at least one loudspeaker 50 processed.Audio codec
10 for being converted to L channel and right channel output for the audio signal source built in electronic equipment, and referring to Figure 2 together, audio is compiled
Decoder 10 includes L channel output end 11 and right channel output end 12.In the present embodiment, each audio-frequency power amplifier 40 is
Audio codec 10 is connected by analog switch group 30.
Analog switch group 30 includes at least one analog switch 31, and each analog switch 31 includes the input of at least one
End, output end and control terminal.The input terminal connection L channel output end 11 or right channel output end 12 of analog switch 31, mould
One output end of quasi- switch 31 is connected with the input terminal of an audio-frequency power amplifier 40, the control terminal and control of analog switch 31
Device 20 processed is connected.
Specifically, audio-frequency power amplifier 40 is identical with the quantity of loudspeaker 50 and corresponds, and each audio power is put
The output end of big device 40 is connected with a corresponding loudspeaker 50.Audio-frequency power amplifier 40 is used for received lesser left sound
The audio signal of road or right channel amplifies, and increases its power and then exports.Controller 20 can be SCM Based
It is defeated that Multi Channel Controller, strobe state of the controller 20 for switching analoging switch 31, such as controller 20 will connect L channel
One input terminal of the analog switch 31 of outlet 11 or right channel output end 12 is connected to a corresponding output end, thus by left
Sound channel or right channel are assigned to a connected audio-frequency power amplifier 40 corresponding with the output end of the analog switch 31, then pass through
A connected loudspeaker 50 corresponding with the audio-frequency power amplifier 40 plays L channel or the corresponding sound of right channel, thus real
The switching of existing sound channel.
In one embodiment, as shown in Fig. 2, analog switch 31 is single pole double throw analog switch, that is, analog switch 31 wraps
Include two input terminals, an output end and a control terminal.Two input terminals of each analog switch 31 are separately connected L channel
Output end 11 and right channel output end 12, the output end of each analog switch 31 and the input terminal of an audio-frequency power amplifier 40
Connection.
When electronic equipment is monophonic system, i.e., above-mentioned loudspeaker channel switching construction is equipped with analog switch 31, sound
The quantity of frequency power amplifier 40 and the loudspeaker 50 being correspondingly connected with is one, and controller 20 is used for the defeated of analog switch 31
Outlet be connected to L channel output end 11 switch to be connected to right channel output end 12 or by the output end of analog switch 31 with
The connection of right channel output end 12 is switched to be connected to L channel output end 11, if there is such as L channel event of monophonic signal failure
When barrier causes loudspeaker 50 noiseless, user can will be switched to and the right side by controller 20 with the connection of L channel output end 11 disconnection
Sound channel output end 12 connects, to be avoided that the noiseless problem of monophonic signal malfunctioning speaker 50.
If electronic equipment is two-channel system, above-mentioned loudspeaker channel switching construction may be configured as tool, and there are four simulations
Two simulations are arranged by controller 20 in four loudspeakers 50 switch 31, four audio-frequency power amplifiers 40 and be correspondingly connected with
Switch 31 connects two L channel output ends 11, other two analog switch 31 connects two right channel output ends 12, to make
Four loudspeakers 50 export two sound channels respectively, and two channel balances can be made to export, avoid the occurrence of the low problem of sound intensity.Usually
Electronic equipment also has a user interface, and user can operate controller 20 by software, be adjusted according to own situation, allow user from
Sound or closing that each loudspeaker 50 exports the sound or right channel of L channel are defined, to reach optimal user's body
It tests.
Referring to Fig. 3, in another embodiment, analog switch 31 can be double-pole double throw analog switch, that is, simulation is opened
Closing 31 includes four input terminals, two output ends and a control terminal.Four input terminals of each analog switch 31 are separately connected
Two output ends of two L channel output ends 11 and two right channel output ends 12, each analog switch 31 are separately connected two
The input terminal of audio-frequency power amplifier 40 has the case where multiple loudspeaker 50 suitable for system, can reduce analog switch 31
Quantity, improve sound channel switching convenience and efficiency.
It should be noted that in other embodiments, when the quantity of audio-frequency power amplifier 40 is multiple, part audio
Power amplifier 40 can also directly be connect with the L channel output end 11 of audio codec 10 or right channel output end 12, i.e., its
In at least in the presence of an audio-frequency power amplifier 40 input terminal directly with 12 phase of L channel output end 11 or right channel output end
Even, so that the sound of the sound of the fixed output L channel of part loudspeaker 50 or right channel, can reduce analog switch 31
Quantity, operation is easier, convenient for being switched fast sound channel.
The utility model also provides a kind of electronic equipment, including above-mentioned loudspeaker channel switching construction, the electronic equipment
Mobile phone, tablet computer etc. be can be for playing the electronic equipment of audio file.Further, the electronic equipment be additionally provided with
The gravity sensor and gyroscope that controller 20 is electrically connected can automatically switch sound channel by controller 20.Gravity sensor
For detecting the tilt angle of electronic equipment, gyroscope is used to detect the rotation status of electronic equipment, gravity sensor and gyro
Instrument cooperation can determine whether virtual condition locating for electronic equipment, cut controller 20 automatically according to the situation that loudspeaker 50 is installed
It changes each loudspeaker 50 and exports L channel or right channel, such as user, when being watched movie using electronic equipment, controller 20 can
It is right always that the loudspeaker 50 that control plays L channel sound corresponds to the left ear of user, the loudspeaker 50 of broadcasting right channel sound always
Using the auris dextra at family, the consistency of sound bearing ensure that, so that the user experience is improved.
The utility model is not only in the description and the implementation described, therefore for the personnel of familiar field
For other advantage and modification is easily implemented, therefore without departing substantially from universal defined by claim and equivalency range
Spirit and scope in the case where, the utility model is not limited to specific details, representative equipment and shown here as with retouch
The diagram example stated.
Claims (8)
1. a kind of loudspeaker channel switching construction, which is characterized in that including audio codec, controller, analog switch group, extremely
A few audio-frequency power amplifier and at least one loudspeaker；The audio codec includes L channel output end and right sound
Road output end；Wherein at least there is an audio-frequency power amplifier and audio codec is connected by the analog switch group；Institute
Stating analog switch group includes at least one analog switch, and each analog switch includes input, output end and the control of at least one
End processed；The input terminal connection L channel output end or right channel output end of the analog switch, the one of the analog switch
A output end is connected with the input terminal of an audio-frequency power amplifier, the control terminal of the analog switch and the controller phase
Even, the controller is used for the strobe state of switching analoging switch；The audio-frequency power amplifier is identical with the quantity of loudspeaker
And correspond, the output end of each audio-frequency power amplifier is connected with a corresponding loudspeaker.
2. loudspeaker channel switching construction according to claim 1, which is characterized in that the analog switch is single-pole double throw
Analog switch and including two input terminals, an output end and a control terminal；Two input terminals of each analog switch are distinguished
Connect L channel output end and right channel output end, the input of the output end of each analog switch and an audio-frequency power amplifier
End connection.
3. loudspeaker channel switching construction according to claim 2, which is characterized in that the analog switch, audio power
The quantity of amplifier and the loudspeaker being correspondingly connected with is one；The controller is used for the output end and Zuo Sheng of analog switch
Output end connection in road, which is switched to, to be connected to right channel output end or is connected to the output end of analog switch with right channel output end
It switches to and is connected to L channel output end.
4. loudspeaker channel switching construction according to claim 1, which is characterized in that the analog switch is double-pole double throw
Analog switch and including four input terminals, two output ends and a control terminal；Four input terminals of each analog switch are distinguished
Two L channel output ends and two right channel output ends are connected, two output ends of each analog switch are separately connected two sounds
The input terminal of frequency power amplifier.
5. loudspeaker channel switching construction according to claim 1, which is characterized in that the number of the audio-frequency power amplifier
It is multiple for measuring, and is wherein at least directly exported with L channel output end or right channel in the presence of the input terminal of an audio-frequency power amplifier
End is connected.
6. loudspeaker channel switching construction according to claim 1, which is characterized in that the controller is based on single-chip microcontroller
Multi Channel Controller.
7. a kind of electronic equipment, which is characterized in that including loudspeaker channel switching knot such as of any of claims 1-6
Structure.
8. electronic equipment according to claim 7, which is characterized in that the electronic equipment is additionally provided with and controller electrical property
The gravity sensor and gyroscope of connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584933.XU CN208834288U (en) | 2018-09-27 | 2018-09-27 | Loudspeaker channel switching construction and electronic equipment |
| PCT/CN2019/096375 WO2020063053A1 (en) | 2018-09-27 | 2019-07-17 | Loudspeaker sound channel switching structure and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584933.XU CN208834288U (en) | 2018-09-27 | 2018-09-27 | Loudspeaker channel switching construction and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834288U true CN208834288U (en) | 2019-05-07 |
Family
ID=66317165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821584933.XU Active CN208834288U (en) | 2018-09-27 | 2018-09-27 | Loudspeaker channel switching construction and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208834288U (en) |
| WO (1) | WO2020063053A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753289A (en) * | 2019-10-25 | 2020-02-04 | 珠海乐港科技有限公司 | Sound box and sound system |
| WO2020063053A1 (en) * | 2018-09-27 | 2020-04-02 | 上海闻泰信息技术有限公司 | Loudspeaker sound channel switching structure and electronic device |
| WO2023011473A1 (en) * | 2021-08-06 | 2023-02-09 | 维沃移动通信有限公司 | Channel switching method and apparatus, and electronic device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393489A (en) * | 1981-03-30 | 1983-07-12 | Rca Corporation | Audio processor for single, channel, matrixed two-channel and un-matrixed two-channel signals |
| CN1471000A (en) * | 2002-07-23 | 2004-01-28 | 陈金盛 | Computer multichannel digital voice signal transmitting method and apparatus thereof |
| CN101303640B (en) * | 2007-05-11 | 2010-06-09 | 鸿富锦精密工业（深圳）有限公司 | Audio signal processing circuit and audio output device matching with the same |
| CN206400526U (en) * | 2017-01-20 | 2017-08-11 | 恩平市天悦音响科技有限公司 | Source of sound automatically selects input circuit |
| CN108012220B (en) * | 2017-12-29 | 2020-04-07 | 上海艾为电子技术股份有限公司 | Audio processor |
| CN208834288U (en) * | 2018-09-27 | 2019-05-07 | 上海闻泰信息技术有限公司 | Loudspeaker channel switching construction and electronic equipment |
-
2018
- 2018-09-27 CN CN201821584933.XU patent/CN208834288U/en active Active
-
2019
- 2019-07-17 WO PCT/CN2019/096375 patent/WO2020063053A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063053A1 (en) * | 2018-09-27 | 2020-04-02 | 上海闻泰信息技术有限公司 | Loudspeaker sound channel switching structure and electronic device |
| CN110753289A (en) * | 2019-10-25 | 2020-02-04 | 珠海乐港科技有限公司 | Sound box and sound system |
| WO2023011473A1 (en) * | 2021-08-06 | 2023-02-09 | 维沃移动通信有限公司 | Channel switching method and apparatus, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020063053A1 (en) | 2020-04-02 |
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