CN204993763U - Encrypt bluetooth headset - Google Patents
Encrypt bluetooth headset Download PDFInfo
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- CN204993763U CN204993763U CN201520718300.3U CN201520718300U CN204993763U CN 204993763 U CN204993763 U CN 204993763U CN 201520718300 U CN201520718300 U CN 201520718300U CN 204993763 U CN204993763 U CN 204993763U
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Abstract
The utility model provides an encrypt bluetooth headset, including the microphone, the speaker, controlling means and bluetooth transmittal unit, controlling means includes audio frequency AD translation unit, audio frequency DA translation unit, DSP digit encoding and decoding processing unit and encryption and decryption unit, the analog audio signal that the microphone will be imported converts a digital audio signal into through audio frequency AD translation unit, and through the compression of DSP digit encoding and decoding processing unit code, , the encryption and decryption unit conveys mobile terminal through the bluetooth transmittal unit after encrypting, after the bluetooth transmittal unit receives that digital audio signal is encrypted to second that mobile terminal sent, decrypt through the encryption and decryption unit, and decoding of DSP digit encoding and decoding processing unit decompresses, convert the 2nd analog audio signal into by audio frequency DA translation unit, erupt simultaneously and send the speaker broadcast to. Implement the utility model discloses an encrypt bluetooth headset has following beneficial effect: can generally use, need special customization, use manpower sparingly, reduce cost.
Description
Technical field
The utility model relates to wireless communication field, particularly a kind of encrypted Bluetooth earphone.
Background technology
The mobile encrypted communication handset of existing market all belongs to extraordinary customed product, namely need designated communication vehicle equipment, although speech secure communication requirement can be reached like this, but be subject to the puzzlement cannot changing mobile phone at any time, just be difficult to process when converting communication handset as needed flexible Application because of special circumstances, like this will there are the following problems: its scope of application is less, can not generally use, need to customize specially, so just special developer is needed to customize, it is waste of manpower not only, too increases cost simultaneously, causes cost higher.
Utility model content
The technical problems to be solved in the utility model is, generally can not use for prior art above-mentioned, need custom-made, waste of manpower, defect that cost is higher, the encrypted Bluetooth earphone providing a kind of and generally can use, not need custom-made, save manpower, reduce costs.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of encrypted Bluetooth earphone, comprise microphone, loud speaker, control device, Bluetooth transmission unit and power supply unit, described control device comprises audio A/D converting unit, audio frequency DA converting unit, DSP numeral encoding and decoding processing unit and encryption/decryption element, first simulated audio signal of input is sent to described audio A/D converting unit by described microphone, described audio A/D converting unit is sent to described DSP numeral encoding and decoding processing unit after described first simulated audio signal is converted to the first digital audio and video signals, described DSP numeral encoding and decoding processing unit carries out compression coding to described first digital audio and video signals, and the first digital audio and video signals after compression coding is sent to described encryption/decryption element is encrypted, the first digital audio and video signals after encryption is sent to mobile terminal by described Bluetooth transmission unit by described encryption/decryption element, after described Bluetooth transmission unit receives the second encrypt digital audio signal of described mobile terminal transmission, described second encrypt digital audio signal is sent to described encryption/decryption element be decrypted, the second digital audio and video signals after described deciphering is sent to described DSP numeral encoding and decoding processing unit and carries out decoding decompress(ion) by described encryption/decryption element, the second digital audio and video signals after decoding decompress(ion) is sent to described audio frequency DA converting unit by described DSP numeral encoding and decoding processing unit, the second digital audio and video signals after described decoding decompress(ion) is converted to the second simulated audio signal by described audio frequency DA converting unit, and be sent to described loud speaker and play sound, described power supply unit is connected with described control device, for powering to described control device.
In encrypted Bluetooth earphone described in the utility model, described Bluetooth transmission unit is provided with PCM input and PCM output, described PCM input is connected with described encryption/decryption element, for receiving the first digital audio and video signals after encryption that described encryption/decryption element exports, described PCM output is connected with described encryption/decryption element, for described second encrypt digital audio signal is sent to described encryption/decryption element.
In encrypted Bluetooth earphone described in the utility model, described Bluetooth transmission unit comprises microprocessor and RF wireless communication module, described microprocessor is sent to described mobile terminal by described RF wireless communication module after processing the first digital audio and video signals after described encryption.
In encrypted Bluetooth earphone described in the utility model, described encrypted Bluetooth earphone also comprises push-button unit, and described push-button unit is connected with described control device, for inputting information.
In encrypted Bluetooth earphone described in the utility model, described mobile terminal is mobile phone or panel computer.
Implement encrypted Bluetooth earphone of the present utility model, there is following beneficial effect: owing to using microphone, loud speaker, control device and Bluetooth transmission unit, control device comprises audio A/D converting unit, audio frequency DA converting unit, DSP numeral encoding and decoding processing unit and encryption/decryption element, first simulated audio signal of input is converted to the first digital audio and video signals by audio A/D converting unit by microphone, and by DSP numeral encoding and decoding processing unit compression coding, then after encryption/decryption element is encrypted, mobile terminal is sent to by Bluetooth transmission unit, after Bluetooth transmission unit receives the second encrypt digital audio signal of mobile terminal transmission, be decrypted by encryption/decryption element, and the decoding decompress(ion) of DSP numeral encoding and decoding processing unit, and be converted to the second simulated audio signal by audio frequency DA converting unit, and be sent to loud speaker broadcasting, it does not need designated communication vehicle equipment, manpower can be saved like this and reduce costs, so it can generally use, do not need custom-made, save manpower, reduce costs.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the utility model encrypted Bluetooth earphone embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
In the utility model encrypted Bluetooth earphone embodiment, the structural representation of its encrypted Bluetooth earphone as shown in Figure 1.In Fig. 1, this encrypted Bluetooth earphone comprises microphone 1, loud speaker 2, control device 3, Bluetooth transmission unit 4 and power supply unit 5, wherein, control device 3 comprises audio A/D converting unit 31, audio frequency DA converting unit 32, DSP numeral encoding and decoding processing unit 33 and encryption/decryption element 34, first simulated audio signal of input is sent to audio A/D converting unit 31 by microphone 1, audio A/D converting unit 31 carries out analog-to-digital conversion to the first simulated audio signal, DSP numeral encoding and decoding processing unit 33 is sent to after first simulated audio signal is converted to the first digital audio and video signals, DSP numeral encoding and decoding processing unit 33 carries out compression coding to the first digital audio and video signals, and the first digital audio and video signals after compression coding is sent to encryption/decryption element 34 is encrypted, the first digital audio and video signals after encryption is sent to Bluetooth transmission unit 4 by encryption/decryption element 34, and be sent to mobile terminal (not shown) by Bluetooth transmission unit 4.It is worth mentioning that, in the present embodiment, mobile terminal is mobile phone or panel computer.
After Bluetooth transmission unit 4 receives the second encrypt digital audio signal of mobile terminal transmission, second encrypt digital audio signal is sent to encryption/decryption element 34 be decrypted, the second digital audio and video signals after deciphering is sent to DSP numeral encoding and decoding processing unit 33 and carries out decoding decompress(ion) by encryption/decryption element 34, the second digital audio and video signals after decoding decompress(ion) is sent to audio frequency DA converting unit 32 by DSP numeral encoding and decoding processing unit 33, audio frequency DA converting unit 32 carries out digital-to-analogue conversion to the second digital audio and video signals after decoding decompress(ion), the second digital audio and video signals after decoding decompress(ion) is converted to the second simulated audio signal, and be sent to loud speaker 2 and play sound, power supply unit 5 is connected with control device 3, for powering to control device 3.So only when both call sides all adopts identical encrypted Bluetooth earphone and adopts identical enciphering and deciphering algorithm, just can hear dialog context, so just realize the safe and secret requirement in voice call process.The utility model achieves the function that common cell phone general on the market just can accomplish End-to-End Security coded communication, namely Bluetooth encryption earphone is joined by Bluetooth of mobile phone Interface realization and is namely used, without the need to transforming mobile phone and special encryption mobile phone, any requirement is not had to communication network, the secure communication requirement to voice encryption can be reached by common GSM voice channel, 2G, 3G, 4G channel and internet etc., achieve the secure communication object that just can arrive voice encryption without designated communication vehicle equipment.
In the present embodiment, Bluetooth transmission unit 4 is provided with PCM input and PCM output, PCM input is connected with encryption/decryption element 34, for receiving the first digital audio and video signals after encryption that encryption/decryption element 34 exports, PCM output is connected with encryption/decryption element 34, for the second encrypt digital audio signal is sent to encryption/decryption element 34.In the present embodiment, Bluetooth transmission unit 4 comprises microprocessor 41 and RF wireless communication module 42, and microprocessor 41 is sent to mobile terminal by RF wireless communication module 42 after processing the first digital audio and video signals after encryption.
In the present embodiment, this encrypted Bluetooth earphone also comprises push-button unit 6, and push-button unit 6 is connected with control device 3, for inputting information.
In a word, in the present embodiment, this encrypted Bluetooth earphone has the general supporting bluetooth earphone irrelevant with mobile phone style kind, user is just decreased to the safety call function limiting and only have special encryption mobile phone just to have; Adopt this encrypted Bluetooth earphone to possess encryption/decryption algorithm dynamically to match, the rule of the digital audio enciphering and deciphering algorithm of encrypted Bluetooth earphone is changed by the APP of mobile terminal, normal fixing enciphering and deciphering algorithm is become dynamic enciphering/deciphering mode, when only having both call sides to adopt identical enciphering and deciphering algorithm regular all simultaneously, could correct deciphering reduction voice, thus decrease dialog context and be blocked the probability cracked.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. an encrypted Bluetooth earphone, it is characterized in that, comprise microphone, loud speaker, control device, Bluetooth transmission unit and power supply unit, described control device comprises audio A/D converting unit, audio frequency DA converting unit, DSP numeral encoding and decoding processing unit and encryption/decryption element, first simulated audio signal of input is sent to described audio A/D converting unit by described microphone, described audio A/D converting unit is sent to described DSP numeral encoding and decoding processing unit after described first simulated audio signal is converted to the first digital audio and video signals, described DSP numeral encoding and decoding processing unit carries out compression coding to described first digital audio and video signals, and the first digital audio and video signals after compression coding is sent to described encryption/decryption element is encrypted, the first digital audio and video signals after encryption is sent to mobile terminal by described Bluetooth transmission unit by described encryption/decryption element, after described Bluetooth transmission unit receives the second encrypt digital audio signal of described mobile terminal transmission, described second encrypt digital audio signal is sent to described encryption/decryption element be decrypted, the second digital audio and video signals after described deciphering is sent to described DSP numeral encoding and decoding processing unit and carries out decoding decompress(ion) by described encryption/decryption element, the second digital audio and video signals after decoding decompress(ion) is sent to described audio frequency DA converting unit by described DSP numeral encoding and decoding processing unit, the second digital audio and video signals after described decoding decompress(ion) is converted to the second simulated audio signal by described audio frequency DA converting unit, and be sent to described loud speaker and play sound, described power supply unit is connected with described control device, for powering to described control device.
2. encrypted Bluetooth earphone according to claim 1, it is characterized in that, described Bluetooth transmission unit is provided with PCM input and PCM output, described PCM input is connected with described encryption/decryption element, for receiving the first digital audio and video signals after encryption that described encryption/decryption element exports, described PCM output is connected with described encryption/decryption element, for described second encrypt digital audio signal is sent to described encryption/decryption element.
3. encrypted Bluetooth earphone according to claim 1 and 2, it is characterized in that, described Bluetooth transmission unit comprises microprocessor and RF wireless communication module, described microprocessor is sent to described mobile terminal by described RF wireless communication module after processing the first digital audio and video signals after described encryption.
4. encrypted Bluetooth earphone according to claim 3, is characterized in that, described encrypted Bluetooth earphone also comprises push-button unit, and described push-button unit is connected with described control device, for inputting information.
5. encrypted Bluetooth earphone according to claim 4, is characterized in that, described mobile terminal is mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520718300.3U CN204993763U (en) | 2015-09-16 | 2015-09-16 | Encrypt bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520718300.3U CN204993763U (en) | 2015-09-16 | 2015-09-16 | Encrypt bluetooth headset |
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| CN204993763U true CN204993763U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520718300.3U Active CN204993763U (en) | 2015-09-16 | 2015-09-16 | Encrypt bluetooth headset |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412812A (en) * | 2016-11-23 | 2017-02-15 | 建荣半导体（深圳）有限公司 | Bluetooth voice communication method, Bluetooth voice communication system and Bluetooth headset |
| CN106856580A (en) * | 2016-12-21 | 2017-06-16 | 歌尔科技有限公司 | A kind of method of bluetooth earphone and its monitoring condition sound |
| CN108882216A (en) * | 2018-08-17 | 2018-11-23 | 深圳市芯中芯科技有限公司 | A kind of audio data transmission method and system based on bluetooth BLE technology |
| CN112783576A (en) * | 2021-03-15 | 2021-05-11 | 北京嘉诚至盛科技有限公司 | Device control method, device, electronic device and computer readable medium |
-
2015
- 2015-09-16 CN CN201520718300.3U patent/CN204993763U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412812A (en) * | 2016-11-23 | 2017-02-15 | 建荣半导体（深圳）有限公司 | Bluetooth voice communication method, Bluetooth voice communication system and Bluetooth headset |
| CN106856580A (en) * | 2016-12-21 | 2017-06-16 | 歌尔科技有限公司 | A kind of method of bluetooth earphone and its monitoring condition sound |
| CN108882216A (en) * | 2018-08-17 | 2018-11-23 | 深圳市芯中芯科技有限公司 | A kind of audio data transmission method and system based on bluetooth BLE technology |
| CN112783576A (en) * | 2021-03-15 | 2021-05-11 | 北京嘉诚至盛科技有限公司 | Device control method, device, electronic device and computer readable medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518071 Guangdong city of Shenzhen province Nanshan District College Avenue South of mulberry Taidan Huayuan (four) 126 Patentee after: Shenzhen huayingtai Medical Co.,Ltd. Address before: 518071 Guangdong city of Shenzhen province Nanshan District College Avenue South of mulberry Taidan Huayuan (four) 126 Patentee before: SHENZHEN TDF TAI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518071 phase III, beisang taidan Huayuan, Pingshan 1st Road, Pingshan community, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province 106 Patentee after: Shenzhen huayingtai Medical Co.,Ltd. Address before: 518071 Guangdong city of Shenzhen province Nanshan District College Avenue South of mulberry Taidan Huayuan (four) 126 Patentee before: Shenzhen huayingtai Medical Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |