CN113573369A - Integrated access equipment based on digital voice - Google Patents
Integrated access equipment based on digital voice Download PDFInfo
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- CN113573369A CN113573369A CN202110842873.7A CN202110842873A CN113573369A CN 113573369 A CN113573369 A CN 113573369A CN 202110842873 A CN202110842873 A CN 202110842873A CN 113573369 A CN113573369 A CN 113573369A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The invention relates to a comprehensive access device based on digital voice, which comprises: the acquisition module acquires a broadcast message sent by equipment to be accessed; the searching module is used for calling the broadcast message sent by the equipment to be accessed from the cloud end and searching the header and the voice frame of the broadcast message sent by the equipment to be accessed; the extraction module is used for reading the information in the header and the voice frame and extracting the protocol information of the broadcast message sent by the equipment to be accessed according to the information in the header and the voice frame; and the recombination module is used for converting the protocol information into a target protocol of the current access network and recombining the information in the voice frame according to the format of the target protocol. The device to be accessed sends the broadcast message, and the processor is utilized to process the broadcast message, so that the protocol of the broadcast message is consistent with the communication protocol of the device in the local area network, the device to be accessed is enabled to smoothly communicate with the device in the local area network, and the information isolated island of the original local area network is effectively broken.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a comprehensive access device based on digital voice.
Background
Building intercom is a security system. The management system is a management system which realizes mutual communication among visitors, residents and property management centers in a multi-storey or high-rise building, performs information exchange and realizes control over safe access channels of a residential area, and is commonly called a building intercom system.
The visitor can conveniently call the resident and talk with the resident through the host in front of the downstairs unit door, and call the property management personnel without a key to assist in opening the unit door lock, while the resident can control the opening and closing of the unit door indoors, the resident can operate the indoor extension to call the property management personnel, the doorway host can also receive the resident alarm signal at any time and transmit the signal to the duty host to inform the community security personnel, the system not only enhances the security work of the high-rise residence, but also greatly facilitates the resident, reduces a plurality of unnecessary troubles for going upstairs and downstairs, and is more convenient, rapid, safe and reliable in communication.
However, in the existing building system, cells or floors are usually used as the minimum units, and if different communication protocols are adopted between the cells, information exchange between the buildings cannot be realized, so that each cell becomes an information isolated island, and information management between the cells is too dispersed, so that information processing is not timely.
Disclosure of Invention
Therefore, the invention provides a comprehensive access device based on digital voice, which can solve the problem of information isolated island formed between cells.
In order to achieve the above object, the present invention provides a digital voice-based integrated access device, including:
the system comprises an acquisition module, a cloud terminal and a service management module, wherein the acquisition module is used for acquiring a broadcast message sent by equipment to be accessed, and the broadcast message sent by the equipment to be accessed is stored to the cloud terminal in a frame format;
the searching module is used for calling the broadcast message sent by the equipment to be accessed from a cloud end and searching a header and a voice frame of the broadcast message sent by the equipment to be accessed;
the extraction module is used for reading the information in the header and the voice frame and extracting the protocol information of the broadcast message sent by the equipment to be accessed according to the information in the header and the voice frame;
the recombination module is used for converting the protocol information into a target protocol of the current access network and recombining the information in the voice frame according to the format of the target protocol so as to facilitate the current access network to receive the broadcast message;
acquiring a broadcast message sent by a device to be accessed, wherein the step of storing the broadcast message sent by the device to be accessed to a cloud end in a frame format comprises the following steps:
acquiring the byte length l of the broadcast message sent by the equipment to be accessed;
a first byte length l1, a second byte length l2 and a third byte length l3 are arranged in the processor, and the data processing rate of the cloud is selected according to the actual length of the broadcast message sent by the equipment to be accessed;
if the byte length l of the broadcast message sent by the equipment to be accessed is less than or equal to the first byte length l1, selecting a first data processing rate;
if the second byte length l2 is larger than or equal to the byte length l of the broadcast message sent by the equipment to be accessed and is larger than the first byte length l1, selecting a second data processing rate;
if the third byte length l3 is greater than or equal to the byte length l of the broadcast message sent by the equipment to be accessed and greater than the second byte length l2, selecting a third data processing rate;
if the byte length l of the broadcast message sent by the device to be accessed is larger than the third byte length l3, a fourth data processing rate is selected.
Further, the reading the information in the header and the voice frame, and extracting the protocol information of the broadcast message sent by the device to be accessed according to the information in the header and the voice frame includes:
extracting a plurality of voice formats contained in the broadcast message sent by the equipment to be accessed according to the information in the header, and determining the byte length z of each voice format;
the byte length of the first voice format n1 is z1, the byte length of the second voice format is z2, the byte length of the third word voice format is z3, the byte length of the nth voice format is zn, and the lengths of z1-zn can be equal and can be different; comparing the byte lengths of z1-zn, selecting zi with the longest byte length and zj with the next longest byte length, and determining the fluency fi of broadcasting the broadcast message in the voice format of zi and the fluency fj of broadcasting the broadcast message in the voice format of zj under the current network;
if fi is greater than fj, broadcasting the broadcast message sent by the equipment to be accessed by adopting a zi voice format;
if fi is less than fj, playing the broadcast message sent by the equipment to be accessed by adopting a voice format of zj;
if fi = fj, the broadcast message sent by the device to be accessed can be played in the zi voice format or the zj voice format.
Further, determining the fluency f of the broadcast message in any voice format under the current network comprises:
determining the current network condition, setting a first network condition to indicate that the network condition is good, the transmission rate is high, and the assignment is 1, if the current network condition is general and the transmission rate is medium, the current network condition belongs to a second network condition and the assignment is 2, if the current network condition is poor and the transmission rate is low, the current network condition belongs to a third network condition and the assignment is 3, wherein the expression of the fluency f is f = t × d0i, wherein t represents the assignment of the network condition, and d0i represents the byte standard increase length corresponding to the ith voice format.
Further, before the broadcast message sent by the device to be accessed is called from the cloud and the header and the voice frame of the broadcast message sent by the device to be accessed are searched, the cloud responds to the calling instruction with a standard response speed v 0;
when the cloud end responds to the calling instruction with the standard response speed v0, the response speed is corrected based on the actual network condition, a first correction coefficient k1, a second correction coefficient k2 and a third correction coefficient k3 are arranged in the central control unit, and k1> k2> k3 is more than or equal to 1: if the network condition of the current access network belongs to the first network condition, adjusting the response speed by adopting a first correction coefficient, and adjusting the response speed of the cloud end to be v 10' = v0 × k 1;
if the network condition of the current access network belongs to a second network condition, adjusting the response speed by adopting a second correction coefficient, wherein the response speed of the cloud end is adjusted to v 20' = v0 × k 2;
if the network condition of the current access network belongs to a third network condition, the response speed is adjusted by adopting a third correction coefficient, and the response speed of the cloud is adjusted to v 30' = v0 × k 3.
Further, if the byte length ordering among the n voice format bytes is z1> z2> … > zn, then the first modification coefficient k1= z1/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn);
the second correction coefficient k2= z2/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn);
the third correction coefficient k3= z3/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn).
Further, the current network is a local area network or the internet.
Further, if the first voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L1, if the second voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L2, if the third voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L3, if the fourth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L4, if the fifth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L5, if the sixth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L6, if the seventh voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L7, if the eighth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L8;
correcting the data processing rate according to the byte length increment;
if the byte length increase amount is Δ L1, correcting the first data processing rate m1 to m 1' = m1 × Δ L1/L;
if the byte length increase amount is Δ L1, correcting the second data processing rate m2 to m 2' = m2 × Δ L1/L;
if the byte length increase amount is Δ L1, the third data processing rate m3 is corrected to m 3' = m3 × Δ L1/L;
if the byte length increase amount is Δ L1, the fourth data processing rate m4 is corrected to m 4' = m4 × Δ L1/L;
wherein L = (Δ L1+ Δ L2+ Δ L3 … + Δ L8)/8.
Further, the first voice playing format is an amr format, the second voice playing format is a vol format, the third voice playing format is an evs format, the fourth voice playing format is a pcm format, the fifth voice playing format is a ghr format, the sixth voice playing format is a gfr format, the seventh voice playing format is a ehr format, and the eighth voice playing format is a efr format.
Compared with the prior art, the method has the advantages that the protocol information of the equipment to be accessed is extracted from the broadcast message, and the broadcast message is recombined according to the format of the target protocol by the information of the equipment to be accessed, so that the current access network can receive the broadcast message conveniently.
Particularly, when the information is stored, the data processing speed of the cloud is selected according to the byte length of the broadcast message sent by the equipment to be accessed, so that the broadcast message sent by the equipment to be accessed can be stored quickly, and the access speed of the equipment is improved.
Particularly, the voice formats contained in the broadcast messages sent by the equipment to be accessed are counted, the byte lengths corresponding to the voice formats in different formats are determined, and the voice format with the longest byte length is played, so that the broadcast information playing speed is increased, the broadcast message processing speed and the broadcast message playing fluency are increased, and the equipment access efficiency is improved.
Particularly, the fluency of broadcasting information playing is calculated by judging the network condition and the corresponding voice format to be transmitted, so that the fluency of broadcasting information data transmission in different network states is improved, the transmission speed of the broadcasting information is improved, and the access efficiency is optimized.
Particularly, the response speed of the cloud is adjusted according to the network condition of the current access network, so that the response speed of the cloud to the current access network is matched with the network condition, if the network condition is good, the response speed is increased, data transmission is performed on broadcast messages under the condition that the network condition is good, the stability of broadcast message receiving is guaranteed, and the broadcast message playing effect is guaranteed.
Particularly, the data processing rate of the cloud is corrected according to the increment of the byte length of the original broadcast information, different voice playing formats are adopted, the increment of the byte length is different, and the data processing rates are corrected based on the difference, so that the processing speed of the broadcast information is further improved, and the access efficiency is improved.
Particularly, the device to be accessed sends the broadcast message, the broadcast message is stored through the cloud, the broadcast message is processed by the processor, the protocol of the processed broadcast message is consistent with the communication protocol of the device in the local area network, the device to be accessed is enabled to smoothly communicate with the device in the local area network, the information isolated island of the original local area network is effectively broken, and the information is transmitted outwards or inwards in the local area network.
Drawings
Fig. 1 is a schematic structural diagram of an integrated access device based on digital voice according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an integrated access device based on digital voice access according to an embodiment of the present invention includes: the system comprises an acquisition module 10, a cloud terminal and a service management module, wherein the acquisition module is used for acquiring a broadcast message sent by equipment to be accessed, and the broadcast message sent by the equipment to be accessed is stored to the cloud terminal in a frame format;
the searching module 20 is configured to retrieve the broadcast message sent by the device to be accessed from a cloud, and search for a header and a voice frame of the broadcast message sent by the device to be accessed;
an extracting module 30, configured to read information in the header and the voice frame, and extract protocol information of a broadcast message sent by the device to be accessed according to the information in the header and the voice frame;
and the restructuring module 40 is configured to convert the protocol information into a target protocol of the current access network, and restructure information in the voice frame according to a format of the target protocol, so that the current access network receives the broadcast message.
Specifically, the integrated access device based on digital voice according to the embodiment of the present invention extracts protocol information of a device to be accessed from a broadcast message, and reconstructs the broadcast message from the information of the device to be accessed according to a format of a target protocol, so that a current access network can receive the broadcast information.
Specifically, acquiring a broadcast message sent by a device to be accessed, wherein the storing of the broadcast message sent by the device to be accessed to a cloud end in a frame format comprises:
acquiring the byte length l of the broadcast message sent by the equipment to be accessed;
a first byte length l1, a second byte length l2 and a third byte length l3 are arranged in the processor, and the data processing rate of the cloud is selected according to the actual length of the broadcast message sent by the equipment to be accessed;
if the byte length l of the broadcast message sent by the equipment to be accessed is less than or equal to the first byte length l1, selecting a first data processing rate;
if the second byte length l2 is larger than or equal to the byte length l of the broadcast message sent by the equipment to be accessed and is larger than the first byte length l1, selecting a second data processing rate;
if the third byte length l3 is greater than or equal to the byte length l of the broadcast message sent by the equipment to be accessed and greater than the second byte length l2, selecting a third data processing rate;
if the byte length l of the broadcast message sent by the device to be accessed is larger than the third byte length l3, a fourth data processing rate is selected.
Specifically, in the embodiment of the invention, when information is stored, the data processing speed of the cloud is selected according to the byte length of the broadcast message sent by the device to be accessed, so that the broadcast message sent by the device to be accessed can be stored quickly, and the device access speed is increased.
Specifically, the reading the information in the header and the voice frame, and extracting the protocol information of the broadcast message sent by the device to be accessed according to the information in the header and the voice frame includes:
extracting a plurality of voice formats contained in the broadcast message sent by the equipment to be accessed according to the information in the header, and determining the byte length z of each voice format;
the byte length of the first voice format n1 is z1, the byte length of the second voice format is z2, the byte length of the third word voice format is z3, the byte length of the nth voice format is zn, and the lengths of z1-zn can be equal and can be different; comparing the byte lengths of z1-zn, selecting zi with the longest byte length and zj with the next longest byte length, and determining the fluency fi of broadcasting the broadcast message in the voice format of zi and the fluency fj of broadcasting the broadcast message in the voice format of zj under the current network;
if fi is greater than fj, broadcasting the broadcast message sent by the equipment to be accessed by adopting a zi voice format;
if fi is less than fj, playing the broadcast message sent by the equipment to be accessed by adopting a voice format of zj;
if fi = fj, the broadcast message sent by the device to be accessed can be played in the zi voice format or the zj voice format.
Specifically, the method determines the byte lengths corresponding to the voice formats in different formats by counting the voice formats contained in the broadcast message sent by the equipment to be accessed, and plays the voice format with the longest byte length, so that the broadcast information playing speed is increased, the broadcast message processing speed and the broadcast message playing fluency are increased, and the equipment access efficiency is increased.
Specifically, the determining fluency f of the broadcast message in any voice format under the current network comprises:
determining the current network condition, setting a first network condition to indicate that the network condition is good, the transmission rate is high, and the assignment is 1, if the current network condition is general and the transmission rate is medium, the current network condition belongs to a second network condition and the assignment is 2, if the current network condition is poor and the transmission rate is low, the current network condition belongs to a third network condition and the assignment is 3, wherein the expression of the fluency f is f = t × d0i, wherein t represents the assignment of the network condition, and d0i represents the byte standard increase length corresponding to the ith voice format.
Specifically, the embodiment of the invention calculates the fluency of broadcasting information playing by judging the network condition and the corresponding voice format to be transmitted, so as to improve the fluency of transmitting the broadcasting information data in different network states, improve the transmission speed of the broadcasting information and optimize the access efficiency.
Specifically, before the broadcast message sent by the device to be accessed is called from the cloud and the header and the voice frame of the broadcast message sent by the device to be accessed are searched, the cloud responds to the calling instruction with a standard response speed v 0;
when the cloud end responds to the calling instruction with the standard response speed v0, the response speed is corrected based on the actual network condition, a first correction coefficient k1, a second correction coefficient k2 and a third correction coefficient k3 are arranged in the central control unit, and k1> k2> k3 is more than or equal to 1: if the network condition of the current access network belongs to the first network condition, adjusting the response speed by adopting a first correction coefficient, and adjusting the response speed of the cloud end to be v 10' = v0 × k 1;
if the network condition of the current access network belongs to a second network condition, adjusting the response speed by adopting a second correction coefficient, wherein the response speed of the cloud end is adjusted to v 20' = v0 × k 2;
if the network condition of the current access network belongs to a third network condition, the response speed is adjusted by adopting a third correction coefficient, and the response speed of the cloud is adjusted to v 30' = v0 × k 3.
Specifically, the embodiment of the invention adjusts the response speed of the cloud terminal according to the network status of the current access network, so that the response speed of the cloud terminal to the current access network is matched with the network status, if the network status is good, the response speed is increased, data transmission is performed on the broadcast message under the condition of good network status, the stability of broadcast message receiving is ensured, and the broadcast message playing effect is ensured.
Specifically, if the byte length ordering among the n voice format bytes is z1> z2> … > zn, the first correction coefficient k1= z1/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn);
the second correction coefficient k2= z2/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn);
the third correction coefficient k3= z3/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn).
Specifically, the correction coefficient in the embodiment of the present invention is positively correlated with the length of n bytes in the broadcast message, so that the correction of the response speed is more accurate, the response rate is improved, and the high efficiency of broadcast message transmission is ensured.
Specifically, the current network is a local area network or the internet.
Specifically, the broadcast message in the embodiment of the present invention may be from a device to be accessed in a local area network or a device to be accessed in an internet, and various broadcast messages are processed, so that the processing speed of the broadcast messages before accessing the network is increased, the device access method in the embodiment of the present invention is adapted to more use scenarios, and the complexity and compatibility of device access are increased.
Specifically, if the first voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L1, if the second voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L2, if the third voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L3, if the fourth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L4, if the fifth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L5, if the sixth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L6, if the seventh voice playing format is used, the byte length of the original broadcast message is increased by Δ L7, if the eighth voice playing format is used for playing, the byte length of the original broadcast message is increased by Δ L8;
correcting the data processing rate according to the byte length increment;
if the byte length increase amount is Δ L1, correcting the first data processing rate m1 to m 1' = m1 × Δ L1/L;
if the byte length increase amount is Δ L1, correcting the second data processing rate m2 to m 2' = m2 × Δ L1/L;
if the byte length increase amount is Δ L1, the third data processing rate m3 is corrected to m 3' = m3 × Δ L1/L;
if the byte length increase amount is Δ L1, the fourth data processing rate m4 is corrected to m 4' = m4 × Δ L1/L;
wherein L = (Δ L1+ Δ L2+ Δ L3 … + Δ L8)/8.
Specifically, the data processing rate of the cloud is corrected according to the byte length increment of the original broadcast information, different voice playing formats are adopted, the byte length increment is different, and the data processing rates are corrected based on the difference, so that the processing speed of the broadcast information is further improved, and the access efficiency is improved.
Specifically, the first voice playing format is an amr format, the second voice playing format is a vol format, the third voice playing format is an evs format, the fourth voice playing format is a pcm format, the fifth voice playing format is a ghr format, the sixth voice playing format is a gfr format, the seventh voice playing format is a ehr format, and the eighth voice playing format is a efr format.
Specifically, if the first voice playing format is an amr format, the suffix of the broadcast message is amr, and the broadcast message is adaptive multi-rate coding and decoding; if the broadcast message is suffixed with vol, the broadcast message is 4G Volt HD Voice, if the broadcast message is suffixed with EVS, the broadcast message is 5G EVS Voice, if the broadcast message is suffixed with PCM, the broadcast message is pulse code modulation ALAW PCM, if the broadcast message is suffixed with ghr, the broadcast message is GSM half rate, if the broadcast message is suffixed with gfr, the broadcast message is GSM full rate, if the broadcast message is suffixed with ehr, the broadcast message is enhanced GSM half rate, and if the broadcast message is suffixed with efr, the broadcast message is enhanced GSM full rate.
Specifically, the header in the embodiment of the invention facilitates to quickly search and locate the protocol information in the broadcast message, improves the efficiency of converting the broadcast message according to the target protocol, and improves the access speed of the equipment.
The scenario applied by the digital voice-based integrated access device provided by the embodiment of the invention is that a device to be accessed needs to be accessed into a local area network with different communication protocols, so that the device to be accessed communicates with the devices in the local area network, the device to be accessed sends a broadcast message, the broadcast message is stored through a cloud end, the broadcast message is processed by a processor, and the protocol of the processed broadcast message is consistent with the communication protocol of the devices in the local area network, so that the device to be accessed smoothly communicates with the devices in the local area network, an information isolated island of the original local area network is effectively broken, and information transmission from inside to outside or inside the local area network is realized.
In the embodiment of the invention, the voice format for broadcasting the broadcast message is selected according to the byte length of the voice format in the broadcast message of the cloud, and the broadcast message is the information in the header and the voice frame, so that the selection of the broadcast message broadcasting format is more accurate, the selected broadcasting format is adopted for broadcasting, the actual format does not need to be determined, the broadcasting continuity of the broadcast message is greatly improved, and the equipment access efficiency is improved.
In the actual application process, broadcast information is sent from the equipment to be accessed until the broadcast information can be identified by the current network interface, namely the whole process of equipment access, the protocol information carried by the broadcast information is recombined in the access process, the protocol information is stored in a cloud terminal, and information recombination is carried out in a processor, so that the information carried by the broadcast information is unchanged, but the recombined broadcast information can be identified by the current network interface, therefore, the communication between the access equipment and the equipment in the current network is realized, and the access of the equipment to be accessed is realized.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An integrated access device based on digital voice, comprising:
the system comprises an acquisition module, a cloud terminal and a service management module, wherein the acquisition module is used for acquiring a broadcast message sent by equipment to be accessed, and the broadcast message sent by the equipment to be accessed is stored to the cloud terminal in a frame format;
the searching module is used for calling the broadcast message sent by the equipment to be accessed from a cloud end and searching a header and a voice frame of the broadcast message sent by the equipment to be accessed;
the extraction module is used for reading the information in the header and the voice frame and extracting the protocol information of the broadcast message sent by the equipment to be accessed according to the information in the header and the voice frame;
the recombination module is used for converting the protocol information into a target protocol of the current access network and recombining the information in the voice frame according to the format of the target protocol so as to facilitate the current access network to receive the broadcast message;
acquiring a broadcast message sent by a device to be accessed, wherein the step of storing the broadcast message sent by the device to be accessed to a cloud end in a frame format comprises the following steps:
acquiring the byte length l of the broadcast message sent by the equipment to be accessed;
a first byte length l1, a second byte length l2 and a third byte length l3 are arranged in the processor, and the data processing rate of the cloud is selected according to the actual length of the broadcast message sent by the equipment to be accessed;
if the byte length l of the broadcast message sent by the equipment to be accessed is less than or equal to the first byte length l1, selecting a first data processing rate;
if the second byte length l2 is larger than or equal to the byte length l of the broadcast message sent by the equipment to be accessed and is larger than the first byte length l1, selecting a second data processing rate;
if the third byte length l3 is greater than or equal to the byte length l of the broadcast message sent by the equipment to be accessed and greater than the second byte length l2, selecting a third data processing rate;
if the byte length l of the broadcast message sent by the device to be accessed is larger than the third byte length l3, a fourth data processing rate is selected.
2. The integrated access device based on digital voice according to claim 1,
the reading the information in the header and the voice frame, and extracting the protocol information of the broadcast message sent by the device to be accessed according to the information in the header and the voice frame includes:
extracting a plurality of voice formats contained in the broadcast message sent by the equipment to be accessed according to the information in the header, and determining the byte length z of each voice format;
the byte length of the first voice format n1 is z1, the byte length of the second voice format is z2, the byte length of the third word voice format is z3, the byte length of the nth voice format is zn, and the lengths of z1-zn can be equal and can be different; comparing the byte lengths of z1-zn, selecting zi with the longest byte length and zj with the next longest byte length, and determining the fluency fi of broadcasting the broadcast message in the voice format of zi and the fluency fj of broadcasting the broadcast message in the voice format of zj under the current network;
if fi is greater than fj, broadcasting the broadcast message sent by the equipment to be accessed by adopting a zi voice format;
if fi is less than fj, playing the broadcast message sent by the equipment to be accessed by adopting a voice format of zj;
if fi = fj, the broadcast message sent by the device to be accessed can be played in the zi voice format or the zj voice format.
3. The integrated access device based on digital voice according to claim 2,
determining the fluency f of playing the broadcast message in an arbitrary voice format under the current network comprises:
determining the current network condition, setting a first network condition to indicate that the network condition is good, the transmission rate is high, and the assignment is 1, if the current network condition is general and the transmission rate is medium, the current network condition belongs to a second network condition and the assignment is 2, if the current network condition is poor and the transmission rate is low, the current network condition belongs to a third network condition and the assignment is 3, wherein the expression of the fluency f is f = t × d0i, wherein t represents the assignment of the network condition, and d0i represents the byte standard increase length corresponding to the ith voice format.
4. The integrated access device based on digital voice of claim 3,
before calling the broadcast message sent by the equipment to be accessed from the cloud and searching the header and the voice frame of the broadcast message sent by the equipment to be accessed, the cloud responds to the calling instruction at a standard response speed v 0;
when the cloud end responds to the calling instruction with the standard response speed v0, the response speed is corrected based on the actual network condition, a first correction coefficient k1, a second correction coefficient k2 and a third correction coefficient k3 are arranged in the central control unit, and k1> k2> k3 is more than or equal to 1: if the network condition of the current access network belongs to the first network condition, adjusting the response speed by adopting a first correction coefficient, and adjusting the response speed of the cloud end to be v 10' = v0 × k 1;
if the network condition of the current access network belongs to a second network condition, adjusting the response speed by adopting a second correction coefficient, wherein the response speed of the cloud end is adjusted to v 20' = v0 × k 2;
if the network condition of the current access network belongs to a third network condition, the response speed is adjusted by adopting a third correction coefficient, and the response speed of the cloud is adjusted to v 30' = v0 × k 3.
5. The integrated access device based on digital voice according to claim 4,
if the byte length ordering among the n speech format bytes is z1> z2> … > zn, then the first correction coefficient k1= z1/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn);
the second correction coefficient k2= z2/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn);
the third correction coefficient k3= z3/zn + (z 4+ z5+ … zn)/(z 1+ z2+ … zn).
6. Integrated access device based on digital voice according to any of claims 1 to 5,
the current network is a local area network or the internet.
7. The integrated access device based on digital voice of claim 6,
if the first voice playing format is adopted for playing, the byte length increment of the original broadcast message is delta L1, if the second voice playing format is adopted for playing, the byte length increment of the original broadcast message is delta L2, if the third voice playing format is adopted for playing, the byte length increment of the original broadcast message is delta L3, if the fourth voice playing format is adopted for playing, the byte length increment of the original broadcast message is delta L4, if the fifth voice playing format is adopted for playing, the byte length increment of the original broadcast message is delta L5, if the sixth voice playing format is adopted for playing, the byte length increment of the original broadcast message is delta L6, if the seventh voice playing format is adopted for playing, the byte length increment of the original broadcast message is delta L7, if the eighth voice playing format is adopted for playing, the byte length of the original broadcast message is increased by Δ L8;
correcting the data processing rate according to the byte length increment;
if the byte length increase amount is Δ L1, correcting the first data processing rate m1 to m 1' = m1 × Δ L1/L;
if the byte length increase amount is Δ L1, correcting the second data processing rate m2 to m 2' = m2 × Δ L1/L;
if the byte length increase amount is Δ L1, the third data processing rate m3 is corrected to m 3' = m3 × Δ L1/L;
if the byte length increase amount is Δ L1, the fourth data processing rate m4 is corrected to m 4' = m4 × Δ L1/L;
wherein L = (Δ L1+ Δ L2+ Δ L3 … + Δ L8)/8.
8. The integrated access device according to claim 7, wherein the first voice playing format is an amr format, the second voice playing format is a vol format, the third voice playing format is evs format, the fourth voice playing format is a pcm format, the fifth voice playing format is a ghr format, the sixth voice playing format is a gfr format, the seventh voice playing format is a ehr format, and the eighth voice playing format is a efr format.
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| CN101452723A (en) * | 2008-10-16 | 2009-06-10 | 北京光线传媒有限公司 | Media file playing method, playing system and media player |
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| CN101452723A (en) * | 2008-10-16 | 2009-06-10 | 北京光线传媒有限公司 | Media file playing method, playing system and media player |
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