CN106714008B - Audio communication method, intelligent terminal and audio equipment - Google Patents
Audio communication method, intelligent terminal and audio equipment Download PDFInfo
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- CN106714008B CN106714008B CN201510776992.1A CN201510776992A CN106714008B CN 106714008 B CN106714008 B CN 106714008B CN 201510776992 A CN201510776992 A CN 201510776992A CN 106714008 B CN106714008 B CN 106714008B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
- H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
Abstract
The invention relates to an audio communication method, which comprises the following steps: detecting whether audio equipment is accessed; generating a request for acquiring identification information of the audio equipment when the audio equipment is accessed; coding the request in a preset coding mode to form audio information and then outputting the audio information; receiving response information sent by the audio equipment; decoding the response information to form digital information; judging whether the digital information comprises identification information of the audio equipment or not; if so, acquiring an audio communication protocol of the audio equipment according to the identification information; initializing the intelligent terminal according to the audio communication protocol, and setting the audio communication protocol as the communication protocol of the intelligent terminal so as to communicate with the audio equipment. By adopting the audio communication method, the intelligent terminal can be communicated with audio equipment with different audio communication protocols, and the compatibility is better. The invention also relates to an intelligent terminal and audio equipment.
Description
Technical Field
The invention relates to the technical field of audio communication, in particular to an audio communication method, an intelligent terminal and audio equipment.
Background
With the continuous development of audio communication technology, audio devices are also more and more widely applied. The audio device and the intelligent terminal (such as a smart phone, a tablet and the like) are communicated through audio data. Specifically, the audio device can be inserted into an audio port of the intelligent terminal through an audio head, so that electric energy is obtained through the audio port and the audio device is communicated with the intelligent terminal. The audio equipment which is widely applied at present comprises a card reader, an audio shield and the like. Different audio devices are prepared by different manufacturers. Different manufacturers adopt different identification technologies and different audio communication protocols. Generally, when a smart terminal is to communicate with an audio device, only an application (app) customized by a manufacturer can identify the audio device produced by the manufacturer, so as to communicate with the audio device through the application. The identification method has poor compatibility and brings great inconvenience to the actual use process of a user.
Disclosure of Invention
Based on this, it is necessary to provide an audio communication method with better compatibility.
An audio communication method, comprising the steps of: detecting whether audio equipment is accessed; generating a request for acquiring identification information of the audio equipment when the audio equipment is accessed; coding the request in a preset coding mode to form audio information and then outputting the audio information; receiving response information sent by the audio equipment; decoding the response information to form digital information; judging whether the digital information comprises identification information of the audio equipment or not; if so, acquiring an audio communication protocol of the audio equipment according to the identification information; initializing the intelligent terminal according to the audio communication protocol, and setting the audio communication protocol as the communication protocol of the intelligent terminal so as to communicate with the audio equipment.
In one embodiment, the step of encoding the request to form audio information and outputting the audio information is encoding by using a dual tone multi-frequency encoding method.
In one embodiment, the identification information is a vendor identification of the audio device.
In one embodiment, the step of obtaining the audio communication protocol of the audio device according to the identification information is: and searching the audio communication protocol corresponding to the identification information in a corresponding table of the identification information and the audio communication protocol according to the identification information.
In one embodiment, before the step of searching the audio communication protocol corresponding to the identification information in the corresponding table of the identification information and the audio communication protocol according to the identification information, the method further includes the steps of: the correspondence table is stored in advance.
In one embodiment, the initializing the smart terminal according to the audio communication protocol, setting the audio communication protocol as the communication protocol of the smart terminal, and communicating with the audio device specifically includes: and setting the sampling frequency, the quantization precision and the encoding mode of the intelligent terminal in the audio encoding process according to the audio communication protocol.
An intelligent terminal is also provided.
An intelligent terminal, comprising: the detection module is used for detecting whether audio equipment is accessed; the generating module is used for generating a request for acquiring the identification information of the audio equipment when the detecting module detects that the audio equipment is accessed; the coding module is used for coding the request in a preset coding mode to form audio information and then outputting the audio information; the receiving module is used for receiving the response information sent by the audio equipment; the decoding module is used for decoding the response information to form digital information; the judging module is used for judging whether the digital information comprises the identification information of the audio equipment; the acquisition module is used for acquiring the audio communication protocol of the audio equipment according to the identification information; and the initialization module is used for initializing the intelligent terminal according to the audio communication protocol, and setting the audio communication protocol as the communication protocol of the intelligent terminal so as to communicate with the audio equipment.
In one embodiment, the method further comprises the following steps: the storage module is used for storing the identification information and a corresponding table of the audio communication protocol; and the searching module is used for searching the audio communication protocol corresponding to the identification information from the corresponding table according to the identification information.
An audio communication method is also provided.
An audio communication method, comprising the steps of: receiving audio information sent by an intelligent terminal; decoding the audio information to form digital information; judging whether the digital information comprises a request for acquiring identification information of the audio equipment; if yes, generating response information according to the identification information of the audio equipment; and encoding the response information in a preset encoding mode to form audio information and outputting the audio information to the intelligent terminal.
An audio device is also provided.
An audio device, comprising: the receiving module is used for receiving the audio information sent by the intelligent terminal; the decoding module is used for decoding the audio information to form digital information; the judging module is used for judging whether the digital information comprises a request for acquiring the identification information of the audio equipment; the generating module is used for generating response information according to the identification information of the audio equipment; and the coding module is used for coding the response information in a first preset coding mode to form audio information and then outputting the audio information to the intelligent terminal.
According to the audio communication method, the request and the response are coded and decoded in a preset coding and decoding mode supported by the intelligent terminal and the audio equipment, so that the identification information of the audio equipment is obtained, the intelligent terminal is initialized after the corresponding audio communication protocol is obtained according to the identification information, and the audio communication protocol of the audio equipment is set as the communication protocol of the intelligent terminal, so that the communication between the intelligent terminal and the audio equipment is realized. By adopting the audio communication method, the intelligent terminal can be communicated with audio equipment with different audio communication protocols, and the compatibility is better.
Drawings
FIG. 1 is a flow diagram of an audio communication method in one embodiment;
FIG. 2 is a functional block diagram of an intelligent terminal in one embodiment;
FIG. 3 is a flow diagram of a method of audio communication in one embodiment;
fig. 4 is a functional block diagram of an audio device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
An audio communication method is used for realizing audio communication between an intelligent terminal and audio equipment. The intelligent terminal can be an electronic device with audio output, such as a mobile phone, a tablet, a PC and the like. The audio output of the intelligent terminal can be in a wired output mode (namely, the audio output is carried out by adopting an audio port), and can also be in a wireless output mode, such as output in a Bluetooth, WIFI or ZigBee wireless transmission mode. The audio device may be an audio shield, a card reader, or other device that communicates with the intelligent terminal through audio data. Be provided with the singlechip in the audio equipment, can design audio equipment's function through the design to the singlechip to make it can realize different functions (like infrared remote control, heart rate test, body temperature test etc.) as required. The audio device may also output and receive audio signals in a wireless manner or a wired manner. Different audio device manufacturers may use different audio communication protocols, which use different audio encoding schemes. Therefore, the intelligent terminal and the audio device need to adopt the same communication protocol to realize the interaction of the audio data between the intelligent terminal and the audio device. The audio communication method in the embodiment is used for realizing communication between the intelligent terminal and the audio equipment, and can realize communication between the intelligent terminal and the audio equipment with different communication protocols, so that the compatibility is good.
Fig. 1 is a flowchart of an audio communication method in an embodiment, which may be implemented by an intelligent terminal, and includes the following steps.
S110, whether the audio equipment is accessed is detected.
The intelligent terminal can judge whether audio equipment is connected or not through the connection state of the audio port, and at the moment, audio information between the intelligent terminal and the audio equipment is transmitted in a wired transmission mode. Of course, the intelligent terminal can judge whether the audio device is accessed by judging whether the audio information transmitted by the audio device through the wireless network is received. Step S120 is executed after detecting that the audio device is accessed, otherwise, S110 is continuously executed. In one embodiment, the intelligent terminal detects the connection state of the audio port at a fixed frequency.
S120, a request for obtaining the identification information of the audio device is generated.
And when detecting that the audio equipment is accessed to the intelligent terminal, generating a request for acquiring the identification information of the audio equipment. The identification information of the audio device may be a manufacturer identification (e.g., a manufacturer code) of the audio device. Different manufacturers adopt different audio communication protocols, so that the audio communication protocol used by the audio equipment can be known after knowing the manufacturers. In other embodiments, the identification information may also be other information capable of identifying the audio device, such as a product model number. The manufacturer of the audio device may also be determined by the product model. The generated request needs to be agreed in advance. For example, it may be agreed in advance between the smart terminal and the audio device that the request is a fixed character or a character string, such as a character string "000" formed of 3 characters. In other embodiments, other strings may be used to generate the request.
And S130, coding the request in a preset coding mode to form audio information and then outputting the audio information.
The request generated by the intelligent terminal is generally digital information, so that the request needs to be converted into audio information and then output through an audio port or a wireless transmission mode. Specifically, the request is encoded by a preset encoding mode to form audio information, and the audio information is output to the audio equipment. The preset coding mode is also a pre-agreed coding mode, namely a coding mode which can be realized by both the intelligent terminal and the audio equipment. In this embodiment, the preset encoding method is a DTMF (Dual-Tone multi frequency) encoding method. The DTMF coding mode has low requirement on equipment configuration, can be realized in a common intelligent terminal and audio equipment, and does not occupy excessive resources.
And S140, receiving the response information sent by the audio equipment.
After receiving the audio information sent by the intelligent terminal, the audio equipment decodes the audio information by adopting a preset decoding mode, namely a DTMF mode, to form digital information. The audio device may make a determination as to the content of the digital information formed. And if the digital information is consistent with the agreed content of the request for acquiring the identification information, confirming that the digital information comprises the request for acquiring the identification information of the audio equipment. Thus, the audio device will respond to the request. Specifically, the audio device generates response information according to identification information of the audio device, such as manufacturer identification, and encodes the response information by adopting a preset encoding mode to form audio information and then sends the audio information to the intelligent terminal. And the intelligent terminal receives the response information.
And S150, decoding the response information to form digital information.
The intelligent terminal decodes the received response information and converts the response information into digital information which can be identified by the controller. And a DTMF decoding mode is adopted in the decoding process.
S160, it is determined whether the digital information includes identification information of the audio device.
And judging whether the received response information contains the identification information of the audio equipment or not according to the converted digital information. The identification information of the audio device is a pre-agreed manufacturer identification or other parameters (such as model) for characterizing the audio device. In this embodiment, in order to identify the identification information, the length of the identification information is agreed, so that the intelligent terminal can acquire the identification information conveniently. And executing the step S170 when the digital information is judged to comprise the identification information of the audio device, otherwise, ending the operation.
And S170, acquiring the audio communication protocol of the audio equipment according to the identification information.
In this embodiment, a correspondence table of the identification information and the audio communication protocol is stored in advance. Therefore, the audio communication protocol corresponding to the identification information can be found from the correspondence table by the identification information. In another embodiment, the received response message also includes an audio communication protocol, that is, the audio device sends the audio communication protocol one adopted by the audio device to the intelligent terminal when responding. After the intelligent terminal confirms that the response information comprises the identification information, the audio communication protocol can be further read from the response information. And the intelligent terminal stores the acquired identification information and the audio communication protocol transmitted together with the identification information in a corresponding table so as to be used in the next communication process.
And S180, initializing the intelligent terminal according to the audio communication protocol.
The initialization process is mainly to set the acquired audio communication protocol as the communication protocol of the intelligent terminal, so that the intelligent terminal and the audio equipment are communicated by using the same protocol. Specifically, according to an audio communication protocol of the audio device, the sampling frequency, the quantization precision (or volume) and the coding mode (such as PCM coding) of the intelligent terminal in the audio coding process are set, so that the audio information generated by the intelligent terminal can be correctly identified by the audio device, and correct communication between the audio device and the intelligent terminal is realized.
According to the audio communication method, the request and the response are coded and decoded in a preset coding and decoding mode supported by the intelligent terminal and the audio equipment, so that the identification information of the audio equipment is obtained, the intelligent terminal is initialized after the corresponding audio communication protocol is obtained according to the identification information, and the audio communication protocol of the audio equipment is set as the communication protocol of the intelligent terminal, so that the audio communication between the intelligent terminal and the audio equipment is realized. By adopting the audio communication method, the intelligent terminal can be communicated with audio equipment with different audio communication protocols, and the compatibility is better. In an embodiment, the audio communication method may be implemented by an application program (APP) installed in the smart terminal. Therefore, no matter what kind of audio equipment the intelligent terminal communicates with, the intelligent terminal can realize the communication between the intelligent terminal and the audio equipment through the application program without installing an application program for each audio equipment, thereby greatly saving the storage space of the intelligent terminal and improving the use convenience of users.
The invention also provides an intelligent terminal used for executing the audio communication method. Fig. 2 is a schematic block diagram of an intelligent terminal in an embodiment. The intelligent terminal comprises a detection module 210, a generation module 220, an encoding module 230, a receiving module 240, a decoding module 250, a judgment module 260, an acquisition module 270 and an initialization module 280.
The detection module 210 is used to detect whether an audio device is accessed. The generating module 220 is configured to generate a request for obtaining identification information of an audio device when the detecting module 210 detects that the audio device is accessed. The encoding module 230 is configured to encode the request in a preset encoding manner to form audio information and output the audio information. The receiving module 240 is configured to receive the response information sent by the audio device. The decoding module 250 is used for decoding the response message to form a digital message. The judging module 260 is used for judging whether the digital signal includes the identification information of the audio device. The obtaining module 270 is configured to obtain an audio communication protocol of the audio device according to the identification information. The initialization module 280 is configured to initialize the smart terminal according to an audio communication protocol, and set the audio communication protocol as a communication protocol of the smart terminal to communicate with the audio device.
In an embodiment, the intelligent terminal may further include a storage module and a search module. The storage module is used for storing the identification information and a corresponding table of the audio communication protocol. The searching module is used for searching the audio communication protocol corresponding to the identification information from the corresponding table according to the identification information.
According to the intelligent terminal, the request and the response are coded and decoded in a preset coding and decoding mode supported by the audio equipment, so that the identification information of the audio equipment is obtained, the intelligent terminal is initialized after the corresponding audio communication protocol is obtained according to the identification information, the audio communication protocol of the audio equipment is set to be the communication protocol of the intelligent terminal, and therefore audio communication with the audio equipment is achieved. The intelligent terminal in the embodiment can perform audio communication with audio devices with different audio communication protocols, and has good compatibility.
The invention also provides an audio communication method which can be realized by the audio equipment. Fig. 3 is a flow diagram of an audio communication method in one embodiment, the method comprising the following steps.
And S310, receiving the audio information sent by the intelligent terminal.
The audio equipment can receive the audio information sent by the intelligent terminal through the audio head and also can receive the audio information sent by the intelligent terminal through the wireless network.
And S320, decoding the audio information to form digital information.
And processing the audio information by adopting a pre-agreed decoding mode. In this embodiment, the audio information is decoded by a preset decoding method, that is, a DTMF method, to form digital information, so as to restore the request sent by the intelligent terminal.
S330, it is determined whether the digital information includes a request for acquiring identification information of the audio device.
The converted digital information is judged whether it contains a request for obtaining the identification information of the audio device. In this embodiment, the request information for acquiring the identification information of the audio device is the content agreed by both parties. Therefore, the audio device can judge the content of the converted digital information, and if the digital information is consistent with the content of the appointed request for acquiring the identification information, the digital information is confirmed to comprise the request for acquiring the identification information of the audio device. After confirming that the request for acquiring the identification information of the audio information device is included, step S340 is executed, otherwise, the operation is ended.
And S340, generating response information according to the identification information of the audio equipment.
When the audio device confirms that the received audio information contains the request for acquiring the identification information of the audio device, the audio device responds to the request. Specifically, the audio device may generate the response information based on its own identification information, such as a vendor identification. In another embodiment, the audio device generates the response information together with the identification information and the audio communication protocol adopted by the audio device.
And S350, encoding the response information in a preset encoding mode, converting the response information into audio information and outputting the audio information to the intelligent terminal.
And coding the response information by adopting a preset coding mode to form audio information and then outputting the audio information to the intelligent terminal. In this embodiment, the preset encoding mode is a DTMF mode. After receiving the response information, the intelligent terminal can acquire the identification information of the audio equipment so as to acquire the audio communication protocol of the audio equipment, and after initializing, the intelligent terminal can perform audio communication with the audio equipment.
After the audio communication method is adopted, audio equipment adopting different communication protocols can communicate with the intelligent terminal, the compatibility of the communication process is improved, and the convenience of the user operation process is further improved.
The invention also provides audio equipment used for the audio communication method. Fig. 4 is a schematic block diagram of an audio device in an embodiment, which includes a receiving module 410, a decoding module 420, a determining module 430, a generating module 440, and a decoding module 450.
The receiving module 410 is used for receiving audio information sent by the intelligent terminal. The decoding module 420 is used for decoding the audio information to form digital information. The determining module 430 is configured to determine whether the digital information includes a request for obtaining identification information of an audio device. The generating module 440 is configured to generate response information according to the identification information of the audio device. The encoding module 450 is configured to encode the response information in a preset encoding manner to form audio information, and then output the audio information to the intelligent terminal.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An audio communication method, comprising the steps of:
detecting whether audio equipment is in wired access or wireless access;
generating a request for acquiring identification information of the audio equipment when the audio equipment is accessed;
coding the request in a preset coding mode to form audio information and then outputting the audio information;
receiving response information sent by the audio equipment;
decoding the response information to form digital information;
judging whether the digital information comprises identification information of the audio equipment or not;
if so, acquiring an audio communication protocol of the audio equipment according to the identification information;
initializing the intelligent terminal according to the audio communication protocol, and setting the audio communication protocol as the communication protocol of the intelligent terminal so as to communicate with the audio equipment.
2. The audio communication method of claim 1, wherein the step of encoding the request to form audio information and outputting the audio information is encoding by using dual tone multi-frequency coding.
3. The audio communication method according to claim 1, wherein the identification information is a vendor identification of the audio device.
4. The audio communication method according to claim 1, wherein the step of obtaining the audio communication protocol of the audio device according to the identification information comprises: and searching the audio communication protocol corresponding to the identification information in a corresponding table of the identification information and the audio communication protocol according to the identification information.
5. The audio communication method according to claim 4, wherein said step of searching for the audio communication protocol corresponding to the identification information in the correspondence table of the identification information and the audio communication protocol according to the identification information further comprises the steps of: the correspondence table is stored in advance.
6. The audio communication method according to claim 1, wherein the initializing the smart terminal according to the audio communication protocol, and setting the audio communication protocol as the communication protocol of the smart terminal to communicate with the audio device specifically comprise: and setting the sampling frequency, the quantization precision and the encoding mode of the intelligent terminal in the audio encoding process according to the audio communication protocol.
7. An intelligent terminal, comprising:
the detection module is used for detecting whether audio equipment is accessed;
the generating module is used for generating a request for acquiring the identification information of the audio equipment when the detecting module detects that the audio equipment is accessed;
the coding module is used for coding the request in a preset coding mode to form audio information and then outputting the audio information;
the receiving module is used for receiving the response information sent by the audio equipment;
the decoding module is used for decoding the response information to form digital information;
the judging module is used for judging whether the digital information comprises the identification information of the audio equipment;
the acquisition module is used for acquiring the audio communication protocol of the audio equipment according to the identification information; and
and the initialization module is used for initializing the intelligent terminal according to the audio communication protocol, and setting the audio communication protocol as the communication protocol of the intelligent terminal so as to communicate with the audio equipment.
8. The intelligent terminal of claim 7, further comprising:
the storage module is used for storing the identification information and a corresponding table of the audio communication protocol; and
and the searching module is used for searching the audio communication protocol corresponding to the identification information from the corresponding table according to the identification information.
9. An audio communication method, comprising the steps of:
receiving audio information sent by an intelligent terminal, wherein the audio information is formed when the intelligent terminal detects that an audio device is accessed;
decoding the audio information to form digital information;
judging whether the digital information comprises a request for acquiring identification information of the audio equipment;
if yes, generating response information according to the identification information of the audio equipment;
and the intelligent terminal decodes the response information to obtain the identification information of the audio equipment, acquires the audio communication protocol of the audio equipment according to the identification information, initializes the intelligent terminal according to the audio communication protocol, and sets the audio communication protocol as the communication protocol of the intelligent terminal so as to communicate with the audio equipment.
10. An audio device, comprising:
the receiving module is used for receiving audio information sent by the intelligent terminal, wherein the audio information is formed when the intelligent terminal detects that audio equipment is accessed;
the decoding module is used for decoding the audio information to form digital information;
the judging module is used for judging whether the digital information comprises a request for acquiring the identification information of the audio equipment;
the generating module is used for generating response information according to the identification information of the audio equipment; and
and the coding module is used for coding the response information in a first preset coding mode to form audio information and then outputting the audio information to the intelligent terminal, the intelligent terminal decodes the response information to obtain identification information of the audio equipment, acquires an audio communication protocol of the audio equipment according to the identification information, initializes the intelligent terminal according to the audio communication protocol, and sets the audio communication protocol as the communication protocol of the intelligent terminal so as to communicate with the audio equipment.
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| CN101197841B (en) * | 2007-12-29 | 2012-01-04 | 何名 | Audio oriented conveying method and device |
| CN103840914B (en) * | 2014-02-17 | 2017-04-19 | 天地融科技股份有限公司 | Data communication method, terminal and information security equipment |
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| CN1753404A (en) * | 2004-09-23 | 2006-03-29 | 华为技术有限公司 | Method of using communication apparatus to select communication protocol |
| CN104427471A (en) * | 2013-09-04 | 2015-03-18 | 华为技术有限公司 | Method for automatically establishing connection of mobile network and terminal |
| CN104703301A (en) * | 2013-12-05 | 2015-06-10 | 浙江大华系统工程有限公司 | Multi-service access system and multi-service access control method |
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