CN203423498U - Portable power source - Google Patents
Portable power source Download PDFInfo
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- CN203423498U CN203423498U CN201320387042.6U CN201320387042U CN203423498U CN 203423498 U CN203423498 U CN 203423498U CN 201320387042 U CN201320387042 U CN 201320387042U CN 203423498 U CN203423498 U CN 203423498U
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- power source
- signal processing
- portable power
- earphone
- processing module
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Abstract
The utility model discloses a portable power source capable of supplying power for a portable electronic device and an earphone. The portable power source includes a power storage and output unit and a signal processing module receiving power from the power storage and output unit. And the portable power source is inside provided with a DSP (Digital Signal Processing) chip for connecting the portable electronic device and the earphone electrically. The utility model mainly aims to provide the portable power source that can supply power for the cell phone and the earphone at the same time. And the DSP chip used for signal processing is changed to dispose on the portable power source, so that the portable power source supplies power for the DSP chip directly. The portable power source makes convenience for a user in an aspect of portability. Besides, the portable power source can charge the cell phone directly and can provide good sound signals to the earphone or the cell phone at the same time, so that troubles of frequent wire connection is removed.
Description
[technical field]
The utility model belongs to portable power source field, and particularly a kind of portable power source of energy processing audio signal, can power to mobile phone and earphone simultaneously, and the voice signal that earphone is good is provided.
[background technology]
Existing active de-noising (Active Noise Cancellation, ANC) earphone is the background noise utilizing in the microphone acquisition user environment that is built in earphone in, deliver to again digital signal processing chip (the Digital Signal Processor that is positioned at earphone inside, DSP), manufacture an inversion signal identical with background noise amplitude and export earphone to.When user is for example, during from music output device (mobile phone) listoning music, user will hear the music of background noise, inversion signal and mobile phone output simultaneously, and inversion signal can Background suppression noise, allows user only hear as much as possible the music of mobile phone output.But in order to drive the digital signal processing chip of high power consumption, earphone must additionally increase battery, has increased thus volume and the weight of earphone, and the inconvenience that causes user to wear.
Therefore, part earphone is in order to alleviate volume and the weight of earphone, changes digital signal processing chip and the battery that operates required use thereof are independently gone out outside earphone, and whole weight does not alleviate in fact.In addition, along with the development of smart mobile phone, mobile phone for supporting high-resolution screen, take pictures and the function such as wireless Internet access, often consumed a large amount of electric power of battery, make user often need additionally carry a portable power source.But general portable power source only arranges a USB port, when if digital signal processing chip and mobile phone exhaust electric power simultaneously, just need to use portable power source successively digital signal processing chip and mobile phone to be charged, thus, numerous wire rods and frequently wiring will cause user more inconvenience.
[utility model content]
Main purpose of the present utility model is to provide a kind of portable power source, can power to mobile phone and earphone simultaneously, and will change into and be arranged at portable power source for the digital signal processing chip (DSP) of signal processing function, allow portable power source directly power to digital signal processing chip.Except allow user carry convenient, can also be directly be mobile phone charging, and provide good voice signal to earphone or mobile phone simultaneously, reduce the puzzlement of frequent wiring.
To achieve these goals, the utility model provides a kind of portable power source, can power to a mobile phone and an earphone, comprising: an electric power stores and output unit; One signal processing module, receive the electric power with output unit from this electric power storage, and a built-in digital signal processing chip is to be electrically connected this action electronic installation and this earphone.
Described signal processing module is used for receiving from the interior microphone that is built in portable power source or earphone, and/or at least one voice signal of this mobile phone and process after export this mobile phone or this earphone to, when audio frequency processing capacity is provided, can also provide electric power, improve and carry and the convenience of using.
More excellent, signal processing module can be carried out an active de-noising pattern (ANC mode), after producing an inversion signal identical with background noise amplitude in user's environment, export earphone to, allow user hear the voice signal that background noise, inversion signal and mobile phone are exported simultaneously.Inversion signal meeting Background suppression noise, allows user when listening to the voice signal of mobile phone, can avoid being subject to the interference of background noise.
More excellent, a noise reduction (Noise Reduction) pattern (NR mode) of carrying out signal processing module suppresses the background noise in received voice signal, and export the voice signal being disposed to mobile phone or earphone, to promote radio reception quality.
More excellent, signal processing module can be carried out a power amplification pattern (Amp mode), amplifies the power from the voice signal of mobile phone, finally exports the voice signal being disposed to earphone, to promote sound play quality.
[accompanying drawing explanation]
Fig. 1 is the use schematic diagram of the utility model embodiment 1.
Fig. 2 is the cutaway view of portable power source described in the utility model embodiment 1.
Fig. 3 is that portable power source is carried out the initiatively functional block diagram of de-noising pattern described in the utility model embodiment 1.
Fig. 4 is the functional block diagram that portable power source is carried out noise reduction mode described in the utility model embodiment 1.
Fig. 5 is the functional block diagram that portable power source is carried out power amplification pattern described in the utility model embodiment 1.
Fig. 6 is the use schematic diagram of the utility model embodiment 2.
[symbol description]
1 portable power source; 10 ear microphones; 10 ' built-in microphone; 20 signal processing modules
21 slots; 22 ports; 25 circuit boards; 251 digital signal processing chips
30 electric power store and output unit; M mobile phone; H headphone
C earmuff; E In-Ear Headphones; B transmission line; U transmission line
[embodiment]
In order more to understand feature of the present utility model place, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1 to Fig. 5.Portable power source 1 described in the present embodiment can connect an earphone E and a mobile phone M (being also applicable to other electronic apparatus), and portable power source M, except electric power storage and output unit 30, also includes a signal processing module 20.
Shown in Fig. 1, earphone E has the outside that an ear microphone 10 is arranged on housing, be that earphone E wears on user's ear time and the extraneous side contacting, be used for receiving sound that user sends and the background noise of user's environment, and convert received voice signal to digital signal, by earphone transmission line, B is sent to signal processing module 20.
In the present embodiment, digital signal processing chip 251 at least can be carried out active de-noising pattern (Active Noise Cancellation mode, ANC mode), noise reduction mode (Noise Reduction mode, NR mode) and the tupe of three kinds of voice signals such as power amplification pattern (Amp mode), it applies to respectively different situations, is hereby described below:
As shown in Figure 3, active de-noising pattern (ANC mode) is to be mainly used in when user listens to the voice signal of mobile phone M, can avoid user to be subject to the interference of background noise in environment.When digital signal processing chip 251 is carried out active de-noising pattern, mobile phone M by standard USB transmission line U from port 22 output sound signals to digital signal processing chip 251, ear microphone 10 captures after the voice signal of background noise in user's environment, via slot 21, input to digital signal processing chip 251, subsequently, digital signal processing chip 251 will produce the inversion signal identical with background noise amplitude, again by slot 21 output from the voice signal of mobile phone M and reverse signal to earphone E, therefore user is when using earphone E, inversion signal meeting Background suppression noise, allow user only hear as much as possible the voice signal of mobile phone M output, to avoid the interference of background noise.
As shown in Figure 4, noise reduction mode (NR mode) is mainly the effect when promoting radio reception, for example, when user wants to record next speech or records the song of oneself, ear microphone 10 will receive sound that user sends and the background noise of user's environment simultaneously, afterwards received voice signal is sent to digital signal processing chip 251 by slot 21, digital signal processing chip 251, by the background noise suppressing in received voice signal, finally exports the voice signal after being disposed to mobile phone M by port 22 and transmission line U again and stores.
As shown in Figure 5, power amplification pattern (Amp mode) is mainly for processing from the voice signal of mobile phone M output, making the effect of playback better.Now mobile phone M outputs to digital signal processing chip 251 by port 22 and transmission line U by voice signal, and digital signal processing chip 251 can amplify the power of input audio signal, finally by slot 21, exports the voice signal being disposed to earphone E again.
embodiment 2
As shown in Figure 6, wherein the primary clustering of portable power source 1 is identical with embodiment 1, and its difference is that the present embodiment is used headphone H, and on the earmuff C side of earphone H, one ear microphone 10 is set, and portable power source 1 also has a built-in microphone 10 '.Now, ear microphone 10 and built-in microphone 10 ' exist simultaneously, and can capture the voice signal of background noise in user's environment.For this reason, when portable power source 1 detects two groups of microphones simultaneously, signal processing module 20 can be selected a use, as for use whichever or the two, all uses, and can be set voluntarily and be regulated and controled by those skilled in the art.
In other words, the utility model can be replaced into built-in microphone 10 ' by ear microphone 10, even if facilitate user to use the In-Ear Headphones that is not equipped with ear microphone, built-in microphone 10 ' still can similarly capture the voice signal of background noise in user's environment, and carries out sound signal processing pattern subsequently.In addition,, if earphone is not equipped with ear microphone and portable power source does not arrange built-in microphone yet, the digital signal processing chip of portable power source still possesses the ability that audio frequency is processed, and at least can carry out power amplification pattern (Amp mode).
It is worth mentioning that, the earphone that the utility model is used is not limited to In-Ear Headphones, also can select headphone H as shown in Figure 6, and sound signal processing pattern in the same manner as in Example 1 also can be provided.
Finally, must again illustrate, in previous embodiment, disclosed constituent components is only for illustrating; not be used for limiting the protection range of this case; structural changes that other are easily replaced, or with the alternate variation of other equivalent elements, within all should being encompassed in the protection range of this patent.
Claims (8)
1. a portable power source, is characterized in that, comprising:
One electric power stores and output unit;
One signal processing module, receive the electric power with output unit from this electric power storage, and a built-in digital signal processing chip is to be electrically connected electronic apparatus and earphone.
2. portable power source as claimed in claim 1, is characterized in that: in described portable power source, have a microphone.
3. portable power source as claimed in claim 1, is characterized in that: described signal processing module is electrically connected to a microphone of earphone.
4. portable power source as claimed in claim 1, is characterized in that: described signal processing module also comprises that a circuit board is used for putting this digital signal processing chip, and slot a plurality of and that this digital signal processing chip is electrically connected.
5. portable power source as claimed in claim 1, is characterized in that: described signal processing module also comprises that a port connects electronic apparatus and can charge and transfer of data to plug a transmission line.
6. the portable power source as described in claim 2 or 3, is characterized in that: described signal processing module can be carried out an active de-noising pattern, and the voice signal receiving according to this microphone produces an inversion signal, and exports this inversion signal to earphone.
7. the portable power source as described in claim 2 or 3, is characterized in that: described signal processing module can be carried out a noise reduction mode, receives from the voice signal of this microphone and suppresses to export after the background noise in aforementioned voice signal.
8. the portable power source as described in claim 2 or 3, is characterized in that: described signal processing module can be carried out a power amplification pattern, after the voice signal of reception from this electronic apparatus, exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387042.6U CN203423498U (en) | 2013-07-01 | 2013-07-01 | Portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387042.6U CN203423498U (en) | 2013-07-01 | 2013-07-01 | Portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423498U true CN203423498U (en) | 2014-02-05 |
Family
ID=50022587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320387042.6U Expired - Fee Related CN203423498U (en) | 2013-07-01 | 2013-07-01 | Portable power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018049688A1 (en) * | 2016-09-19 | 2018-03-22 | 深圳市魅动智能股份有限公司 | Rechargeable digital earphone |
-
2013
- 2013-07-01 CN CN201320387042.6U patent/CN203423498U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018049688A1 (en) * | 2016-09-19 | 2018-03-22 | 深圳市魅动智能股份有限公司 | Rechargeable digital earphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20180701 |