CN110072011A - Adjust code rate method and Related product - Google Patents
Adjust code rate method and Related product Download PDFInfo
- Publication number
- CN110072011A CN110072011A CN201910335688.1A CN201910335688A CN110072011A CN 110072011 A CN110072011 A CN 110072011A CN 201910335688 A CN201910335688 A CN 201910335688A CN 110072011 A CN110072011 A CN 110072011A
- Authority
- CN
- China
- Prior art keywords
- code rate
- electronic equipment
- parameter preset
- vocoder
- target
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- 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
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- 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
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
Abstract
The embodiment of the present application discloses a kind of adjustment code rate method and Related product, the electronic equipment includes bluetooth communication, the described method includes: during carrying out Bluetooth voice call by the bluetooth communication, the parameter preset of the electronic equipment is obtained, the parameter preset comprises at least one of the following: variation tendency, distance parameter and the signal quality of the electronic equipment and the distance between opposite equip. of conversing；The code rate of vocoder is adjusted according to the parameter preset dynamic；Primary voice data is encoded according to the code rate adjusted, obtains target speech data；The target speech data is sent to opposite equip. by the bluetooth communication.The application is conducive to improve the intelligence and accuracy during electronic equipment adjustment code rate.
Description
Technical field
This application involves electronic technology fields, and in particular to a kind of adjustment code rate method and Related product.
Background technique
At present mobile phone outdoors on foot, geological disaster region, the outgoing group's tourism of state, the places such as airport critical point, mobile network
It is not covered with or in the case that mobile network's standard limits, mobile phone cannot carry out mobile communication with teammate or friend.So utilize
The Bluetooth function of mobile phone, the mobile phone between teammate/friend establish communication channel by bluetooth long range technology, realize remote
Speech telephony.But bluetooth BLE speech telephony, distance farther out, when BLE network is poor voice call quality compared with
Difference can not carry out normal voice communication.
Summary of the invention
The embodiment of the present application provides a kind of adjustment code rate method and Related product, and the application is conducive to improve electronic equipment
Adjust the intelligence and accuracy during code rate.
In a first aspect, the embodiment of the present application provides a kind of adjustment code rate method, being applied to the electronic equipment includes indigo plant
Tooth communication module, which comprises
During carrying out Bluetooth voice call by the bluetooth communication, the default of the electronic equipment is obtained
Parameter, the parameter preset comprise at least one of the following: the variation of the electronic equipment and the distance between opposite equip. of conversing
Trend, distance parameter and signal quality；
The code rate of vocoder is adjusted according to the parameter preset dynamic；
Primary voice data is encoded according to the code rate adjusted, obtains target speech data；
The target speech data is sent to opposite equip. by the bluetooth communication.
Second aspect, the embodiment of the present application provide a kind of adjustment code rate device, and being applied to the electronic equipment includes indigo plant
Tooth communication module, the adjustment code rate device include:
Acquiring unit is used for during carrying out Bluetooth voice call by the bluetooth communication, described in acquisition
The parameter preset of electronic equipment, the parameter preset comprise at least one of the following: the electronic equipment and call opposite equip. it
Between distance variation tendency, distance parameter and signal quality；
Adjustment unit, for adjusting the code rate of vocoder according to the parameter preset dynamic；
Coding unit obtains target speech data for encoding primary voice data according to the code rate adjusted；
Transmission unit, for sending the target speech data to opposite equip. by the bluetooth communication.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, comprising: processor and memory；And one
Or multiple programs, one or more of programs are stored in the memory, and are configured to be held by the processor
Row, described program includes the instruction for the step some or all of as described in first aspect.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein described computer-readable
Storage medium is for storing computer program, wherein the computer program executes computer such as the embodiment of the present application the
The instruction of step some or all of described in one side.
5th aspect, the embodiment of the present application provide a kind of computer program product, wherein the computer program product
Non-transient computer readable storage medium including storing computer program, the computer program are operable to make to calculate
Machine executes the step some or all of as described in the embodiment of the present application first aspect.The computer program product can be one
A software installation packet.
Implement the embodiment of the present application, has the following beneficial effects:
As can be seen that adjustment code rate method and Related product described in the embodiment of the present application, are applied to electronic equipment,
The electronic equipment includes bluetooth communication, first in the process for carrying out Bluetooth voice call by the bluetooth communication
In, the parameter preset of the electronic equipment is obtained, the parameter preset comprises at least one of the following: the electronic equipment and call
Variation tendency, distance parameter and the signal quality of the distance between opposite equip., secondly, being adjusted according to the parameter preset dynamic
Then the code rate of vocoder encodes primary voice data according to the code rate adjusted, obtains target speech data, finally,
The target speech data is sent to opposite equip. by the bluetooth communication.As it can be seen that electronic equipment is carrying out bluetooth language
During sound is conversed, parameter preset being monitored in real time, timely adjusting the code rate of vocoder, it is logical effectively to avoid blue tooth voice
Situations such as delay for occurring in words, packet loss, guarantees that best speech quality can be provided under any network scenarios, be conducive to mention
High electronic equipment is adjusted intelligence and accuracy during code rate.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram for adjusting code rate system provided by the embodiments of the present application；
Fig. 2 is a kind of flow diagram for adjusting code rate method provided by the embodiments of the present application；
Fig. 3 is the flow diagram of the adjustment code rate method of another kind disclosed in the embodiment of the present application；
Fig. 4 is the flow diagram of the adjustment code rate method of another kind disclosed in the embodiment of the present application；
Fig. 5 is the structural schematic diagram of a kind of electronic equipment disclosed in the embodiment of the present application；
Fig. 6 is a kind of functional unit composition block diagram for adjusting code rate device disclosed in the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment involved by the embodiment of the present application may include the various handheld devices with wireless communication function,
Mobile unit, wearable device calculate equipment or are connected to other processing equipments and various forms of radio modem
User equipment (user equipment, UE), mobile station (mobile station, MS), terminal device (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as electronic equipment.
It describes in detail below to the embodiment of the present application.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram for adjusting code rate system provided by the embodiments of the present application, in this Shen
Please be in embodiment, which may include at least two electronic equipments, each electronic equipment include LoRa module,
At least one of Sigfox module, Bluetooth5.0 module, WIFI module and mobile data module radio transceiver mould
Block, any two electronic equipment in the adjustment code rate system can communicate to connect, such as can be logical by LoRa module
Letter connection is communicated to connect by Sigfox module, passes through the communication connection of Bluetooth5.0 module, passes through WIFI module communication link
It connects or is communicated to connect by mobile data module.
Wherein, remote (Long Range, LoRa) technology is one of low-power consumption wide-area communication, can support to fly
Time (Time Of Flight, TOF) function.The TOF function is a kind of based on expansion for measuring the distance between two objects
The overlength distance Radio Transmission Technology of frequency technology, compared with similar technique, strong with low in energy consumption, wide coverage, penetrability
Advantage.
Wherein, ultra-narrow band (Sigfox) technology is also one of low-power consumption wide-area communication, can be in common frequency band
RI radio intelligence exchange is carried out in 200kHz frequency range.The width of every message is 100Hz, and according to the difference in region, each second is passed
Defeated 100 or 600 data.Therefore, while to noise resistance, the distance communication grown may be implemented very much.
Wherein, Bluetooth5.0 technology is bluetooth sig (Bluetooth Special Interest Group)
In the bluetooth standard of new generation of publication in 2016, compared with prior-generation Bluetooth4.2, its transmission range is farther, speed more
Fastly.Theoretic effective distance is 300 meters, that is, the mobile device in entire family or Zheng Jian office can stablize company
Knot.And it is fastest, be that can achieve 2Mbps, allow reaction faster, the higher bluetooth equipment of performance more likely used.It removes
Except this, it also substantially enhances the data transmission of Bluetooth broadcast, can bring better prospect for commercial bluetooth, allow using bluetooth
Internet of Things application as standard is more powerful.
Wherein, electronic equipment may include the various handheld devices with wireless communication function, mobile unit, wearable set
It is standby, calculate equipment or be connected to radio modem other processing equipments and various forms of user equipment (User
Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) etc..
It describes in detail below to the embodiment of the present application.
Referring to Fig. 2, Fig. 2 is a kind of flow diagram for adjusting code rate method provided by the embodiments of the present application, this implementation
Adjustment code rate method described in example, applied to the electronic equipment of such as Fig. 1, which includes:
S201, during carrying out Bluetooth voice call by the bluetooth communication, described in electronic equipment acquisition
The parameter preset of electronic equipment, the parameter preset comprise at least one of the following: the electronic equipment and call opposite equip. it
Between distance variation tendency, distance parameter and signal quality.
Wherein, parameter preset can also include signal-to-noise ratio, channel quality, output power and total harmonic wave etc., not do herein only
One limits.
S202, the electronic equipment adjust the code rate of vocoder according to the parameter preset dynamic.
Wherein, the code rate of the vocoder is encoder bit rate.
Wherein, high code rate can be adjusted to low bit- rate by the dynamic adjustment or low bit- rate is adjusted to low bit- rate.
S203, the electronic equipment encode primary voice data according to the code rate adjusted, obtain target voice number
According to.
S204, the electronic equipment send the target speech data to opposite equip. by the bluetooth communication.
Optionally, the target speech data is detected；Judge the target speech data with the presence or absence of blank voice data；
If the code rate of the vocoder is then re-started adjustment there are the blank voice data.
As can be seen that adjustment code rate method and Related product described in the embodiment of the present application, are applied to electronic equipment,
The electronic equipment includes bluetooth communication, first in the process for carrying out Bluetooth voice call by the bluetooth communication
In, the parameter preset of the electronic equipment is obtained, the parameter preset comprises at least one of the following: the electronic equipment and call
Variation tendency, distance parameter and the signal quality of the distance between opposite equip., secondly, being adjusted according to the parameter preset dynamic
Then the code rate of vocoder encodes primary voice data according to the code rate adjusted, obtains target speech data, finally,
The target speech data is sent to opposite equip. by the bluetooth communication.As it can be seen that electronic equipment is carrying out bluetooth language
During sound is conversed, parameter preset being monitored in real time, timely adjusting the code rate of vocoder, it is logical effectively to avoid blue tooth voice
Situations such as delay for occurring in words, packet loss, guarantees that best speech quality can be provided under any network scenarios, be conducive to mention
High electronic equipment is adjusted intelligence and accuracy during code rate.
In a possible example, the parameter preset include the electronic equipment and call opposite equip. between away from
From variation tendency, the code rate that vocoder is adjusted according to parameter preset dynamic, comprising: detect the electronic equipment with
The variation tendency of the distance between call opposite equip.；Pass through the variation tendency adjusting step；Presetting database is inquired, is obtained
The corresponding target bit rate of the step-length adjusted, the presetting database include that the mapping between the step-length and code rate is closed
System；The code rate of the vocoder is updated according to the target bit rate.
Wherein, the mapping relations between the step-length and code rate can include but is not limited to one-to-one, one-to-many or multipair
Mostly etc., do not do unique restriction herein.
For example, electronic equipment detects that variation tendency rises or falls in the first period, then starts to adjust code rate, such as
A step-length often is turned down close to 5 meters, corresponding target bit rate is found according to the step-length, and be updated.Wherein, the step-length
It can be calculated according to historical data analysis, i.e., the relationship between the variation tendency of step-length and distance can be according to historical data
Analysis is calculated to obtain.
As it can be seen that during electronic equipment carries out bluetooth conversation, the variation tendency based on distance changes step in this example
Long, and then dynamic adjusts the code rate of vocoder, it is poor to avoid speech quality during bluetooth conversation, caused delay, packet loss
The case where occur, be conducive to improve electronic equipment adjustment code rate intelligence and accuracy.
It is described to pass through the variation tendency adjusting step, comprising: according to historical data analysis in a possible example
The changes phase of the variation tendency；Corresponding step-length is determined according to the changes phase.
Wherein, the changes phase can dynamically be adjusted according to the location of described electronic equipment, e.g.,
Remote mountain areas, then one stage of five step-lengths then one stage of three step-lengths etc., does not do unique limit in bustling city herein
It is fixed.
As it can be seen that electronic equipment passes through different variation tendencies, step of the dynamic adjustment under different transformation trend in this example
It is long, and then flexibly adjustment code rate, ensure that will can provide good speech quality under any circumstance, be conducive to improve electricity
Sub- equipment adjustment code rate intelligence and flexibility.
In a possible example, the parameter preset includes signal quality, described according to the parameter preset dynamic
Adjust the code rate of vocoder, comprising: detect current signal quality；It is given a mark according to the signal quality, obtains target point
Number；The code rate of the vocoder is adjusted according to the target fractional.
Wherein, the marking can be carried out according to preset marking calculative strategy, and the preset marking calculative strategy can be with
The semantic analysis of comprehensive message registration, interruption times, noise accounting, etc. analyses obtain, do not do unique restriction herein.
Optionally, electronic equipment inquires preset score-code rate list according to the target fractional, according to described default
Score-code rate list obtain corresponding code rate, and be adjusted.
For example, electronic equipment gives a mark to current signal quality, according to the interruption times of bluetooth conversation ten
Within minute, bluetooth conversation has been interrupted 5 times, then the score of current signal quality is 50 points, then by the code rate of the vocoder
Low bit- rate is become by high code rate.
As it can be seen that electronic equipment can give a mark according to the quality of signal quality in this example, and according to marking score dynamic
The code rate for adjusting vocoder, i.e., timely judge the network state of current electronic device, and coped in time, be conducive to improve
Electronic equipment adjusts code rate intelligence and flexibility.
In a possible example, the parameter preset includes distance parameter, described according to the parameter preset dynamic
Adjust the code rate of vocoder, comprising: obtain the target position of presently described electronic equipment；Distance is determined according to the target position
The target zone of parameter；Get first terminal to distant terminal first distance；If the first distance is more than target zone,
Code rate-is then inquired apart from list, obtains target bit rate；The code rate of the vocoder is updated according to the target bit rate.
Wherein, the corresponding relationship of the target zone of the target position and distance parameter can be preset, according to present bit
The concrete condition set dynamically changes the target zone of the distance parameter.
Wherein, data of the code rate-in list can count to obtain by historical data or when according to factory
Manufacturer makes by oneself, does not do unique restriction herein.
As it can be seen that electronic equipment is adjusted according to different distance parameter dynamics in this example, different code rates is obtained, favorably
In electronic equipment when being kept in motion, more flexible adjustment code rate improves the intelligence during electronic equipment adjustment code rate
It can property and flexibility.
In a possible example, after the code rate for dynamically adjusting vocoder according to the parameter preset, institute
State method further include: continue to monitor code rate adjusted；If the code rate adjusted carries out not in preset threshold range
Secondary adjustment is obtained with reference to code rate；Described be arranged in preset duration with reference to code rate is updated.
Wherein, the preset threshold range can obtain according to historical data, be obtained or be dispatched from the factory according to big data analysis
When manufacturer make by oneself, do not do unique restriction herein.
Wherein, when preset duration can obtain according to historical data, be obtained or be dispatched from the factory according to big data analysis manufacturer from
It is fixed, do not do unique restriction herein.
As it can be seen that electronic equipment avoids frequent switching by the adjustment of monitoring and switching time to code rate in this example
To the influence that voice communication is interrupted, that is, be arranged different code rates switch twice between duration greater than after a certain duration, just allow to cut
It changes, can be improved the intelligence and flexibility during adjustment code rate.
It is described to encode primary voice data according to the code rate adjusted in a possible example, obtain target
After voice data, the method also includes: determine the type of the target speech data；According to the type of voice data and
Preset corresponding relationship between code rate obtains the corresponding code rate of data type of the target speech data, as target bit rate；
The range of code rates of the target bit rate is obtained as default code rate threshold range.
Wherein, different types of voice data can correspond to different encoder bit rates, preset in the electronic device simultaneously
The corresponding relationship being stored between the type of voice data and encoder bit rate, the corresponding relationship can be one-to-one, one-to-many
Or multi-to-multi, do not do unique restriction herein.
Wherein, the type more demanding to sound quality can be lower than to the corresponding encoder bit rate of the higher type of requirement of real-time
Encoding rate, specific different type corresponds to great encoder bit rate and can be obtained according to big data.
Optionally, when the Bluetooth voice call of electronic equipment is opened, the corresponding encoding rate of the type of the voice data is big
In default code rate threshold value；When the Bluetooth voice call disconnects, the corresponding encoding rate of the type of the voice data is less than pre-
If code rate threshold value.
As it can be seen that in this example, electronic equipment is according to unused voice data type, the different code rate of flexibly adjustment, into
Default code rate threshold range when obtaining secondary adjustment of one step is conducive to adjust the intelligence and accuracy during code rate.
It is consistent with the embodiment shown in Fig. 2, referring to Fig. 3, Fig. 3 is a kind of adjustment provided by the embodiments of the present application
The flow diagram of code rate method is applied to electronic equipment, and the electronic equipment includes bluetooth communication.As shown, this
Adjusting code rate method includes:
S301, during carrying out Bluetooth voice call by the bluetooth communication, the electronic equipment is obtained
The parameter preset of the electronic equipment.
S302, the electronic equipment detect the variation tendency of the electronic equipment and the distance between opposite equip. of conversing.
S303, the electronic equipment pass through the variation tendency adjusting step.
S304, the electronic equipment inquire presetting database, obtain the corresponding target bit rate of the step-length adjusted, institute
Stating presetting database includes the mapping relations between the step-length and code rate.
S305, the electronic equipment update the code rate of the vocoder according to the target bit rate.
S306, the electronic equipment encode primary voice data according to the code rate adjusted, obtain target voice number
According to.
S307, the electronic equipment send the target speech data to opposite equip. by the bluetooth communication.
As can be seen that adjustment code rate method and Related product described in the embodiment of the present application, are applied to electronic equipment,
The electronic equipment includes bluetooth communication, first in the process for carrying out Bluetooth voice call by the bluetooth communication
In, the parameter preset of the electronic equipment is obtained, the parameter preset comprises at least one of the following: the electronic equipment and call
Variation tendency, distance parameter and the signal quality of the distance between opposite equip., secondly, being adjusted according to the parameter preset dynamic
Then the code rate of vocoder encodes primary voice data according to the code rate adjusted, obtains target speech data, finally,
The target speech data is sent to opposite equip. by the bluetooth communication.As it can be seen that electronic equipment is carrying out bluetooth language
During sound is conversed, parameter preset being monitored in real time, timely adjusting the code rate of vocoder, it is logical effectively to avoid blue tooth voice
Situations such as delay for occurring in words, packet loss, guarantees that best speech quality can be provided under any network scenarios, be conducive to mention
High electronic equipment is adjusted intelligence and accuracy during code rate.
In addition, the variation tendency based on distance changes step-length, and then dynamic during electronic equipment carries out bluetooth conversation
The code rate for adjusting vocoder, avoids that speech quality during bluetooth conversation is poor, caused delay, packet loss the case where send out
It is raw, be conducive to the intelligence and accuracy that improve electronic equipment adjustment code rate.
It is consistent with the embodiment shown in Fig. 2, referring to Fig. 4, Fig. 4 is a kind of adjustment provided by the embodiments of the present application
The flow diagram of code rate method is applied to electronic equipment, and the electronic equipment includes bluetooth communication.As shown, this
Adjusting code rate method includes:
S401, during carrying out Bluetooth voice call by the bluetooth communication, the electronic equipment is obtained
The parameter preset of the electronic equipment.
S402, the electronic equipment obtain the target position of presently described electronic equipment.
S403, the electronic equipment determine the target zone of distance parameter according to the target position.
S404, the electronic equipment get first terminal to the first distance of distant terminal.
S405 inquires code rate-apart from list, obtains if the electronic equipment first distance is more than target zone
Target bit rate.
S406, the electronic equipment update the code rate of the vocoder according to the target bit rate.
S407, the electronic equipment continue to monitor code rate adjusted.
S408, if the electronic equipment code rate adjusted carries out secondary adjustment not in preset threshold range,
It obtains with reference to code rate.
Described be arranged in preset duration with reference to code rate is updated by S409, the electronic equipment.
S410, the electronic equipment encode primary voice data according to the code rate adjusted, obtain target voice number
According to.
S411, the electronic equipment send the target speech data to opposite equip. by the bluetooth communication.
As can be seen that adjustment code rate method and Related product described in the embodiment of the present application, are applied to electronic equipment,
The electronic equipment includes bluetooth communication, first in the process for carrying out Bluetooth voice call by the bluetooth communication
In, the parameter preset of the electronic equipment is obtained, the parameter preset comprises at least one of the following: the electronic equipment and call
Variation tendency, distance parameter and the signal quality of the distance between opposite equip., secondly, being adjusted according to the parameter preset dynamic
Then the code rate of vocoder encodes primary voice data according to the code rate adjusted, obtains target speech data, finally,
The target speech data is sent to opposite equip. by the bluetooth communication.As it can be seen that electronic equipment is carrying out bluetooth language
During sound is conversed, parameter preset being monitored in real time, timely adjusting the code rate of vocoder, it is logical effectively to avoid blue tooth voice
Situations such as delay for occurring in words, packet loss, guarantees that best speech quality can be provided under any network scenarios, be conducive to mention
High electronic equipment is adjusted intelligence and accuracy during code rate.
In addition, electronic equipment is adjusted according to different distance parameter dynamics, different code rates is obtained, electronic equipment is conducive to
When being kept in motion, more flexible adjustment code rate, improve electronic equipment adjustment code rate during intelligence and flexibly
Property.
In addition, adjustment of the electronic equipment by monitoring and switching time to code rate, it is logical to voice to avoid frequent switching
Talk about the influence interrupted, that is, be arranged different code rates switch twice between duration greater than after a certain duration, just allow to switch, Neng Gouti
Intelligence and flexibility during height adjustment code rate.
It is consistent with described Fig. 2, Fig. 3, embodiment shown in Fig. 4, referring to Fig. 5, Fig. 5 is provided by the embodiments of the present application
The structural schematic diagram of a kind of electronic equipment 500, as shown, the electronic equipment 500 includes application processor 510, memory
520, communication interface 530 and one or more programs 521, wherein one or more of programs 521 are stored in above-mentioned deposit
In reservoir 520, and it is configured to be executed by above-mentioned application processor 510, one or more of programs 521 include for executing
The instruction of following steps:
During carrying out Bluetooth voice call by the bluetooth communication, the default of the electronic equipment is obtained
Parameter, the parameter preset comprise at least one of the following: the variation of the electronic equipment and the distance between opposite equip. of conversing
Trend, distance parameter and signal quality；
The code rate of vocoder is adjusted according to the parameter preset dynamic；
Primary voice data is encoded according to the code rate adjusted, obtains target speech data；
The target speech data is sent to opposite equip. by the bluetooth communication.
As can be seen that adjustment code rate method and Related product described in the embodiment of the present application, are applied to electronic equipment,
The electronic equipment includes bluetooth communication, first in the process for carrying out Bluetooth voice call by the bluetooth communication
In, the parameter preset of the electronic equipment is obtained, the parameter preset comprises at least one of the following: the electronic equipment and call
Variation tendency, distance parameter and the signal quality of the distance between opposite equip., secondly, being adjusted according to the parameter preset dynamic
Then the code rate of vocoder encodes primary voice data according to the code rate adjusted, obtains target speech data, finally,
The target speech data is sent to opposite equip. by the bluetooth communication.As it can be seen that electronic equipment is carrying out bluetooth language
During sound is conversed, parameter preset being monitored in real time, timely adjusting the code rate of vocoder, it is logical effectively to avoid blue tooth voice
Situations such as delay for occurring in words, packet loss, guarantees that best speech quality can be provided under any network scenarios, be conducive to mention
High electronic equipment is adjusted intelligence and accuracy during code rate.
In a possible example, the parameter preset include the electronic equipment and call opposite equip. between away from
From variation tendency, in the bit rate connection for adjusting vocoder according to parameter preset dynamic, described program includes being used for
It executes the instruction of following steps: detecting the variation tendency of the electronic equipment and the distance between opposite equip. of conversing；Pass through institute
State variation tendency adjusting step；Presetting database is inquired, the corresponding target bit rate of the step-length adjusted is obtained, it is described default
Database includes the mapping relations between the step-length and code rate；The code rate of the vocoder is updated according to the target bit rate.
In a possible example, it is described by the variation tendency adjusting step in terms of, described program include use
In the instruction for executing following steps: the changes phase of the variation tendency according to historical data analysis；According to the changes phase
Determine corresponding step-length.
In a possible example, the parameter preset includes signal quality, described dynamic according to the parameter preset
State adjusts the bit rate connection of vocoder, and described program includes the instruction for executing following steps: detecting current signal quality；
It is given a mark according to the signal quality, obtains target fractional；The code rate of the vocoder is adjusted according to the target fractional.
In a possible example, the parameter preset includes distance parameter, described dynamic according to the parameter preset
State adjusts the code rate of vocoder, and aspect, described program includes the instruction for executing following steps: obtaining presently described electronics and sets
Standby target position；The target zone of distance parameter is determined according to the target position；First terminal is got to distant terminal
First distance；If the first distance is more than target zone, code rate-is inquired apart from list, obtains target bit rate；According to institute
State the code rate that target bit rate updates the vocoder.
In a possible example, after the code rate for dynamically adjusting vocoder according to the parameter preset, institute
Stating program further includes the instruction for executing following steps: continuing to monitor code rate adjusted；If the code rate adjusted is not
In preset threshold range, then secondary adjustment is carried out, obtained with reference to code rate；By it is described with reference to code rate be arranged in preset duration into
Row updates.
In a possible example, primary voice data is encoded according to the code rate adjusted described, obtains mesh
After marking voice data, described program further includes the instruction for executing following steps: determining the class of the target speech data
Type；According to preset corresponding relationship between the type and code rate of voice data, the data class of the target speech data is obtained
The corresponding code rate of type, as target bit rate；The range of code rates of the target bit rate is obtained as default code rate threshold range.
Above-described embodiment is mainly described the scheme of the embodiment of the present application from the angle of method side implementation procedure.It can
With understanding, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or soft for electronic equipment
Part module.Those skilled in the art should be readily appreciated that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Some function is studied carefully
Unexpectedly it is executed in a manner of hardware or computer software driving hardware, the specific application and design constraint depending on technical solution
Condition.Professional technician can specifically realize described function to each using distinct methods, but this
It realizes it is not considered that exceeding scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to the method example to electronic equipment, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.The integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
The following is an embodiment of the apparatus of the present invention, and apparatus of the present invention embodiment is realized for executing embodiment of the present invention method
Method.Adjustment code rate device 600 as shown in FIG. 6 is applied to electronic equipment, and the electronic equipment includes Bluetooth communication mould
Block, the adjustment code rate device 600 include acquiring unit 601, adjustment unit 602, coding unit 603 and transmission unit 604,
In,
The acquiring unit 601, for obtaining during carrying out Bluetooth voice call by the bluetooth communication
The parameter preset of the electronic equipment is taken, the parameter preset comprises at least one of the following: the electronic equipment and call opposite end
Variation tendency, distance parameter and the signal quality of the distance between equipment；
The adjustment unit 602, for adjusting the code rate of vocoder according to the parameter preset dynamic；
The coding unit 603 obtains target voice for encoding primary voice data according to the code rate adjusted
Data；
The transmission unit 604, for sending the target voice number to opposite equip. by the bluetooth communication
According to.
As can be seen that adjustment code rate method and Related product described in the embodiment of the present application, are applied to electronic equipment,
The electronic equipment includes bluetooth communication, first in the process for carrying out Bluetooth voice call by the bluetooth communication
In, the parameter preset of the electronic equipment is obtained, the parameter preset comprises at least one of the following: the electronic equipment and call
Variation tendency, distance parameter and the signal quality of the distance between opposite equip., secondly, being adjusted according to the parameter preset dynamic
Then the code rate of vocoder encodes primary voice data according to the code rate adjusted, obtains target speech data, finally,
The target speech data is sent to opposite equip. by the bluetooth communication.As it can be seen that electronic equipment is carrying out bluetooth language
During sound is conversed, parameter preset being monitored in real time, timely adjusting the code rate of vocoder, it is logical effectively to avoid blue tooth voice
Situations such as delay for occurring in words, packet loss, guarantees that best speech quality can be provided under any network scenarios, be conducive to mention
High electronic equipment is adjusted intelligence and accuracy during code rate.
In a possible example, the parameter preset include the electronic equipment and call opposite equip. between away from
From variation tendency, in the bit rate connection for adjusting vocoder according to parameter preset dynamic, the adjustment unit 602 has
Body is used for: detecting the variation tendency of the electronic equipment and the distance between opposite equip. of conversing；Pass through the variation tendency tune
Synchronizing is long；Presetting database is inquired, obtains the corresponding target bit rate of the step-length adjusted, the presetting database includes institute
State the mapping relations between step-length and code rate；The code rate of the vocoder is updated according to the target bit rate.
In a possible example, it is described by the variation tendency adjusting step in terms of, the adjustment unit 602
It is specifically used for: the changes phase of the variation tendency according to historical data analysis；Corresponding step is determined according to the changes phase
It is long.
In a possible example, the parameter preset includes signal quality, described dynamic according to the parameter preset
State adjusts the bit rate connection of vocoder, and the adjustment unit 602 is specifically used for: detecting current signal quality；According to the letter
Number quality is given a mark, and target fractional is obtained；The code rate of the vocoder is adjusted according to the target fractional.
In a possible example, the parameter preset includes distance parameter, described dynamic according to the parameter preset
State adjusts the bit rate connection of vocoder, and the adjustment unit 602 is specifically used for: obtaining the target position of presently described electronic equipment
It sets；The target zone of distance parameter is determined according to the target position；Get first terminal to distant terminal first distance；
If the first distance is more than target zone, code rate-is inquired apart from list, obtains target bit rate；According to the target bit rate
Update the code rate of the vocoder.
In a possible example, after the code rate for dynamically adjusting vocoder according to the parameter preset, institute
State adjustment unit 602 also particularly useful for: continue to monitor code rate adjusted；If the code rate adjusted is not in preset threshold model
In enclosing, then secondary adjustment is carried out, obtained with reference to code rate；Described be arranged in preset duration with reference to code rate is updated.
In a possible example, primary voice data is encoded according to the code rate adjusted described, obtains mesh
After marking voice data, coded unit 603 is specifically used for: determining the type of the target speech data；According to voice data
Type and code rate between preset corresponding relationship, obtain the corresponding code rate of data type of the target speech data, make
For target bit rate；The range of code rates of the target bit rate is obtained as default code rate threshold range.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, it is as any in recorded in above method embodiment which execute computer
A kind of some or all of adjustment code rate method step.
The embodiment of the present application also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, the computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of any adjustment code rate method recorded in method embodiment step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also be realized in the form of software program module.
If the integrated unit is realized in the form of software program module and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the application
Step.And memory above-mentioned includes: USB flash disk, read-only memory (read-only memory, ROM), random access memory
The various media that can store program code such as (random access memory, RAM), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
It may include: flash disk, ROM, RAM, disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of method for adjusting code rate, which is characterized in that be applied to electronic equipment, the electronic equipment includes Bluetooth communication mould
Block, which comprises
During carrying out Bluetooth voice call by the bluetooth communication, the default ginseng of the electronic equipment is obtained
Number, the parameter preset comprise at least one of the following: the variation of the electronic equipment and the distance between call opposite equip. becomes
Gesture, distance parameter and signal quality；
The code rate of vocoder is adjusted according to the parameter preset dynamic；
Primary voice data is encoded according to the code rate adjusted, obtains target speech data；
The target speech data is sent to opposite equip. by the bluetooth communication.
2. the method according to claim 1, wherein the parameter preset includes the electronic equipment and call pair
The variation tendency of the distance between end equipment, the code rate that vocoder is adjusted according to the parameter preset dynamic, comprising:
Detect the variation tendency of the electronic equipment and the distance between opposite equip. of conversing；
Pass through the variation tendency adjusting step；
Presetting database is inquired, the corresponding target bit rate of the step-length adjusted is obtained, the presetting database includes described
Mapping relations between step-length and code rate；
The code rate of the vocoder is updated according to the target bit rate.
3. according to the method described in claim 2, it is characterized in that, described pass through the variation tendency adjusting step, comprising:
The changes phase of the variation tendency according to historical data analysis；
Corresponding step-length is determined according to the changes phase.
4. described according to institute the method according to claim 1, wherein the parameter preset includes signal quality
State the code rate that parameter preset dynamic adjusts vocoder, comprising:
Detect current signal quality；
It is given a mark according to the signal quality, obtains target fractional；
The code rate of the vocoder is adjusted according to the target fractional.
5. described according to institute the method according to claim 1, wherein the parameter preset includes distance parameter
State the code rate that parameter preset dynamic adjusts vocoder, comprising:
Obtain the target position of presently described electronic equipment；
The target zone of distance parameter is determined according to the target position；
Get first terminal to distant terminal first distance；
If the first distance is more than target zone, code rate-is inquired apart from list, obtains target bit rate；
The code rate of the vocoder is updated according to the target bit rate.
6. method according to claim 1-5, which is characterized in that adjusted described according to the parameter preset dynamic
After the code rate of whole vocoder, the method also includes:
Continue to monitor code rate adjusted；
If the code rate adjusted carries out secondary adjustment not in preset threshold range, obtain with reference to code rate；
Described be arranged in preset duration with reference to code rate is updated.
7. according to the method described in claim 6, it is characterized in that, described encode raw tone according to the code rate adjusted
Data, after obtaining target speech data, the method also includes:
Determine the type of the target speech data；
According to preset corresponding relationship between the type and code rate of voice data, the data class of the target speech data is obtained
The corresponding code rate of type, as target bit rate；
The range of code rates of the target bit rate is obtained as default code rate threshold range.
8. a kind of adjustment code rate device, which is characterized in that be applied to electronic equipment, the electronic equipment includes Bluetooth communication mould
Block, the adjustment code rate device include:
Acquiring unit, for obtaining the electronics during carrying out Bluetooth voice call by the bluetooth communication
The parameter preset of equipment, the parameter preset comprise at least one of the following: between the electronic equipment and call opposite equip.
Variation tendency, distance parameter and the signal quality of distance；
Adjustment unit, for adjusting the code rate of vocoder according to the parameter preset dynamic；
Coding unit obtains target speech data for encoding primary voice data according to the code rate adjusted；
Transmission unit, for sending the target speech data to opposite equip. by the bluetooth communication.
9. a kind of electronic equipment characterized by comprising processor and memory；And one or more programs, it is one
Or multiple programs are stored in the memory, and are configured to be executed by the processor, described program includes being used for
Execute the instruction of the step in the method according to claim 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that it is used to store computer program, wherein the computer
Program makes computer execute the method according to claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335688.1A CN110072011B (en) | 2019-04-24 | 2019-04-24 | Method for adjusting code rate and related product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335688.1A CN110072011B (en) | 2019-04-24 | 2019-04-24 | Method for adjusting code rate and related product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110072011A true CN110072011A (en) | 2019-07-30 |
| CN110072011B CN110072011B (en) | 2021-07-20 |
Family
ID=67368786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910335688.1A Active CN110072011B (en) | 2019-04-24 | 2019-04-24 | Method for adjusting code rate and related product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110072011B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110689899A (en) * | 2019-09-17 | 2020-01-14 | 重庆百瑞互联电子技术有限公司 | Dynamic adjustment method and system for Bluetooth audio |
| CN112135282A (en) * | 2020-09-25 | 2020-12-25 | 北京百瑞互联技术有限公司 | Bluetooth Mesh network voice intercom method, system and storage medium |
| WO2021129821A1 (en) * | 2019-12-25 | 2021-07-01 | Oppo广东移动通信有限公司 | Data transmission method and apparatus, storage medium, and terminal device |
| CN114244383A (en) * | 2021-12-27 | 2022-03-25 | 东莞市阿尔法电子科技有限公司 | Signal processing method, system, Bluetooth headset and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105530449A (en) * | 2014-09-30 | 2016-04-27 | 阿里巴巴集团控股有限公司 | Coding parameter adjusting method and device |
| US20160284358A1 (en) * | 2013-12-09 | 2016-09-29 | Tencent Technology (Shenzhen) Company Limited | Voice Processing Method And Device |
| WO2016191989A1 (en) * | 2015-05-30 | 2016-12-08 | 华为技术有限公司 | Method and device for adjusting voice coding rate |
| CN107170460A (en) * | 2017-06-30 | 2017-09-15 | 深圳Tcl新技术有限公司 | Sound quality adjusting method, system, host side and storage medium |
| CN109041024A (en) * | 2018-08-14 | 2018-12-18 | Oppo广东移动通信有限公司 | Optimization of rate method, apparatus, electronic equipment and storage medium |
| CN109102816A (en) * | 2018-08-14 | 2018-12-28 | Oppo广东移动通信有限公司 | Coding control method, device and electronic equipment |
| CN109151861A (en) * | 2018-08-14 | 2019-01-04 | Oppo广东移动通信有限公司 | Encoding rate method of adjustment, device and electronic equipment |
-
2019
- 2019-04-24 CN CN201910335688.1A patent/CN110072011B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160284358A1 (en) * | 2013-12-09 | 2016-09-29 | Tencent Technology (Shenzhen) Company Limited | Voice Processing Method And Device |
| CN105530449A (en) * | 2014-09-30 | 2016-04-27 | 阿里巴巴集团控股有限公司 | Coding parameter adjusting method and device |
| WO2016191989A1 (en) * | 2015-05-30 | 2016-12-08 | 华为技术有限公司 | Method and device for adjusting voice coding rate |
| CN107170460A (en) * | 2017-06-30 | 2017-09-15 | 深圳Tcl新技术有限公司 | Sound quality adjusting method, system, host side and storage medium |
| CN109041024A (en) * | 2018-08-14 | 2018-12-18 | Oppo广东移动通信有限公司 | Optimization of rate method, apparatus, electronic equipment and storage medium |
| CN109102816A (en) * | 2018-08-14 | 2018-12-28 | Oppo广东移动通信有限公司 | Coding control method, device and electronic equipment |
| CN109151861A (en) * | 2018-08-14 | 2019-01-04 | Oppo广东移动通信有限公司 | Encoding rate method of adjustment, device and electronic equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110689899A (en) * | 2019-09-17 | 2020-01-14 | 重庆百瑞互联电子技术有限公司 | Dynamic adjustment method and system for Bluetooth audio |
| WO2021129821A1 (en) * | 2019-12-25 | 2021-07-01 | Oppo广东移动通信有限公司 | Data transmission method and apparatus, storage medium, and terminal device |
| CN112135282A (en) * | 2020-09-25 | 2020-12-25 | 北京百瑞互联技术有限公司 | Bluetooth Mesh network voice intercom method, system and storage medium |
| CN114244383A (en) * | 2021-12-27 | 2022-03-25 | 东莞市阿尔法电子科技有限公司 | Signal processing method, system, Bluetooth headset and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110072011B (en) | 2021-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110072011A (en) | Adjust code rate method and Related product | |
| CN106850615B (en) | Method, related device and system for controlling coding rate | |
| CN106937306B (en) | A kind of network quality appraisal procedure and device | |
| US20100173632A1 (en) | Communication system, threshold management server, radio communication device, and communication method | |
| CN107333293A (en) | Metrical information report method and device | |
| CN108513734A (en) | A kind of channel switching method, device and communication equipment | |
| CN107426764A (en) | cell measuring method and device | |
| CN109392005A (en) | A kind of method of signal strength measurement, relevant apparatus and system | |
| CN109151210A (en) | Mobile terminal, information display method and related product | |
| CN105393622B (en) | The dispatching method and equipment of user equipment | |
| CN111640431B (en) | Equipment response processing method and device | |
| JPH08500946A (en) | Radio link parameter monitoring in wireless communication systems | |
| CN103179503A (en) | Mobile terminal and reminding method | |
| CN108024339A (en) | A kind of method and apparatus of the time-domain resource of definite reference signal mapping | |
| CN112867049B (en) | Measurement configuration method, device and system | |
| KR102016866B1 (en) | Signal Processing Method and Related Devices | |
| CN111512685A (en) | Channel state information measuring method, device and computer storage medium | |
| CN102800318B (en) | The transmission of audio data stream, receiving trap and method | |
| CN109802766B (en) | Soft cache processing method under dual connectivity, terminal and network equipment | |
| CN109076384B (en) | Information transmission and receiving method and device, base station and user equipment | |
| CN108271236A (en) | A kind of method, apparatus and system for accessing cell | |
| CN106454726A (en) | Method and device for reducing link time delay error in positioning process | |
| CN104509133B (en) | Device-to-device closes in service method, base station and the user equipment for transmitting signal | |
| CN105872191A (en) | Call reminder setting method, call reminder setting device and related equipment | |
| CN109672630A (en) | A kind of system information transmission method, terminal and the network equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |