CN104869516A - Resource manager - Google Patents
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- CN104869516A CN104869516A CN201510086785.3A CN201510086785A CN104869516A CN 104869516 A CN104869516 A CN 104869516A CN 201510086785 A CN201510086785 A CN 201510086785A CN 104869516 A CN104869516 A CN 104869516A
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Abstract
The present invention relates to a resource manager. A hearing aid comprises a power supply connected with a hearing aid circuit for supplying power to the hearing aid circuit. The hearing aid circuit comprises a wireless communication unit configured to communicate with other equipment, and a scheduler configured to receive a communication request from a communication task and schedule each communication task based on priority of the communication task and the state of the power supply.
Description
Technical field
A new hearing aids, it is configured to carry out radio communication with miscellaneous equipment, considers the power supply status of this hearing aids simultaneously.
Radio communication can be carried out in the wireless network being convenient to multiple apparatus interconnection in network, such as hearing aids, remote controller, fittings equipment, mobile phone, headphone, doorbell, warning system, broadcast system, etc.
Background technology
WO2004/110099 discloses a kind of hearing aid wireless network, and wherein, communication protocol is single, thus only needs a small amount of code, and power consumption is low during operation.In addition, acquisition time is short, and time of delay is few.
Summary of the invention
There is provided a kind of new hearing aids, it can perform radio communication according to multiple different wireless communication protocol.
There is provided a kind of new hearing aids, it comprises hearing aid circuit, and this hearing aids has:
Input transducer, this input transducer is configured to based on being applied to described input transducer and the signal of representative voice, output audio signal;
Hearing loss processor, this hearing loss processor is configured to the hearing loss of the user compensating hearing aids, and export hearing compensation audio signal, such as hearing aids may be used for recovering loudness, with the loudness making the loudness as the applying signal by the hearer institute perception of normally hearing substantially mate the hearing loss compensation signal as the perception of user institute;
Output transducer, such as receiver, implanted transducer etc., this output transducer is configured to export sound sense signal based on hearing compensation audio signal, and this sound sense signal can be received by human auditory system, to make user's acoustic; And
Wireless communication unit, this wireless communication unit is configured to and another devices communicating.
Connect power supply to power to described hearing aid circuit.
Described hearing aids can also comprise the processor with operating system, this operating system is configured to management hearing aids hardware and software resource, the signal processing algorithm such as comprising hearing loss processor and other possible processor and associate, wireless communication unit, memory resource, power supply, etc., and provide public service to the task that will perform.Operating system can scheduler task effectively to use hearing aids source, and comprise the software for calculation for absorption of costs, absorption of costs comprises power consumption, the processor time, stores, Wireless transceiver, and other resource.
Although the application code of task is directly performed by suitable hearing aids treatment circuit usually, but for the various tasks that such as radio communication and memory are distributed, operating system is used as the intermediary between task and hearing aid circuit, and will make system call operation system function continually or be interrupted.
Processor can be hearing loss processor, or wireless communication unit can comprise the processor with operating system, or operating system can be managed throughout between device and be distributed, such as hearing loss processor and wireless communication unit processor and possible other processor one or more.
Particularly, described operating system can be configured to control described wireless communication unit according to and the priority execution of communication task and communicating of miscellaneous equipment of multiple communication protocol.
Described operating system can comprise scheduler, or described operating system can be made up of scheduler.Scheduler can be configured to receive from the communication request of communication task, and can the state of task based access control priority and described power supply, and the discharge condition of the battery of such as power supply and/or the capacitor of hearing aid circuit, dispatches each communication task.
There is provided a kind of new method of dispatching the radio communication of hearing aids, this hearing aids comprises hearing aid circuit, and this hearing aids has:
Input transducer, this input transducer is configured to based on being applied to described input transducer and the signal of representative voice, output audio signal;
Hearing loss processor, this hearing loss processor is configured to the hearing loss of the user compensating hearing aids, and exports corresponding hearing compensation audio signal;
Output transducer, this output transducer is configured to export sound sense signal based on hearing compensation audio signal, and this sound sense signal can be received by human auditory system, to make user's acoustic;
Wireless communication unit, this wireless communication unit is configured to and another devices communicating;
Power supply, connects described power supply to power to described hearing aid circuit, and
Operating system, this operating system is configured to control described wireless communication unit and communicates with miscellaneous equipment with priority according to each communication protocol.
Described new method can comprise the communication request received from described communication task, and communication task described in the node state scheduling of task based access control priority and described power supply.
Transducer is the corresponding output signal of the energy signal be applied on transducer of energy being in one form converted to another kind of form.
Input transducer can comprise microphone, and the acoustic signal be applied on microphone is converted to corresponding simulated audio signal by this microphone, and the instantaneous voltage of wherein said audio signal changes constantly along with the acoustic pressure of acoustic signal.
Input transducer can also comprise remote sensing coil, and the magnetic field of the change on remote sensing coil is converted to the simulated audio signal of corresponding change by this remote sensing coil, and wherein the instantaneous voltage of audio signal changes constantly along with the change of magnetic field strength on remote sensing coil.Remote sensing coil may be used for signal to be increased to loud speaker for finding a large amount of people in the public places such as such as church, auditorium, theatre, cinema or by such as at the train station, airport, the noise ratio of the voice of the public address system in shopping center etc.Voice from loud speaker are converted into the magnetic field with induction coil system (also referred to as " hearing coil "), and remote sensing coil is used for the voice signal that magnetic pick-up magnetic field is transmitted.
Input transducer can also comprise at least two isolated microphones, and Beam-former, and this Beam-former is arranged to and the microphone output signal of described at least two isolated microphones is combined as directed microphone signal.
Input transducer can comprise one or more microphone, remote sensing coil and switch, such as in omnidirectional microphone signal or directional microphone signal or remote sensing line ring signal individually or carry out selecting using as audio signal with the form of any combination.
Typically, by being converted to corresponding digital audio and video signals by analog to digital converter, make simulated audio signal be suitable for Digital Signal Processing, thus make the amplitude of simulated audio signal by binary number representation.In this fashion, the discrete time in sequence of values form and discrete amplitude digital audio and video signals represent continuous time and continuous amplitude simulated audio signal.
In the whole disclosure, " audio signal " may be used for identifying any analog or digital signal forming section outputting to the signal path of the input of hearing loss processor from input transducer.
In the whole disclosure, " hearing compensation audio signal " may be used for identification can via any analog or digital signal forming section outputting to the signal path of the input of output transducer from hearing loss processor of digital to analog converter.
Wireless communication unit can comprise transceiver.
Wireless communication unit can be the equipment or the circuit that comprise radio transmitter and wireless receiver.Conveyer can share omnibus circuit and/or single housing with receiver.Selectively, conveyer and receiver also can not sharing circuits, and wireless communication unit can comprise the independent equipment respectively with conveyer and receiver.
Radio communication can perform according to frequency diverse or spread-spectrum scheme, and the frequency range namely utilized by hearing aids is divided into multiple channel, and Wireless transceiver is according to predetermined scheme switching channels, to make to distribute described transmission in whole frequency range.
Hop algorithm can be set to allow the equipment in network not rely on the history ground of network, and calculate what channel that will use at any given time point in network, such as pseudo-random number generator calculates succeeding channel numbering based on current channel number.This facilitate the synchronous of the new equipment with hearing aids, such as new equipment comprises the pseudo-random number generator identical with hearing aids.Therefore, once receive current frequency channel number during asking, described new equipment will calculate the succeeding channel numbering identical with hearing aids.
Each equipment in network has its oneself identiflication number, such as 32 bit numbers.Because the possibility of two users with the hearing aids with common identity is negligible, so do not need globally unique identity.
Preferably, new equipment is recognized and and network interconnection automatically by network.
Advantage according to the network of spread-spectrum scheme operation is, because noise is typically present in special channel, so communication has low sensitivity to noise, and communication only will perform the very short time cycle in special channel, after this, communication will be switched to another channel.
In addition, owing to using two network possibilities of identical specific channel very low simultaneously, so several network can closely exist jointly, such as two or more hearing aid user may reside in same room with them, and does not have network to interfere.Similarly, hearing aid network can with other wireless networks coexist utilizing same frequency band, such as blueteeth network or other WLAN.
Advantageously, hearing aids can embed binaural hearing aid system, wherein, two hearing aidss are such as used for digital swap data by wireless network interconnections, such as audio signal, signal processing parameter, the control datas etc. such as the identification of such as signal handler, and interconnect alternatively with the miscellaneous equipment of such as Long-distance Control etc.
Typically, only the power of limit amount can obtain from the power supply of hearing aids.Such as, typically, power is by the traditional ZnO in hearing aids
2battery provides.
In the design of hearing aids, size and power consumption are important Considerations.The size of hearing aids depends on the size of the battery of use, and compact and not noticeable in order to ensure hearing aids, uses little battery size, such as " 312 " and " 13 " model.But baby battery has relatively large internal resistance.Such as " 312 " battery typically has the internal resistance of 5 ohm, its two magnitudes higher than the internal resistance of AA type battery.When high internal resistance makes output current increase, output voltage significantly decreases.This may be particular importance for the part operation of hearing aid circuit.
The wireless communication unit of hearing aids can be included in radio chip, such as Nordic semiconductor radio chip " " nRF24I01 ", it is generally at above-mentioned traditional ZnO
2the electric pressing operation that battery provides.Therefore, may need, via voltage multiplie (voltage amplifier), power is supplied to radio chip.In addition, radio chip obtains a large amount of electric currents in transmission and reception period.Traditional ZnO
2battery only can at transmission and reception period in the binding hours cycle, typically in 1 millisecond, and the required magnitude of current of provisioning wireless communication unit acquisition.Within cycle longer time needed for battery without interruption when the magnitude of current, supply voltage will decline, and drop to below certain threshold value, and the numerical portion of hearing aid circuit hearing aid circuit specifically can not correctly work.
In addition, though communication period within the binding hours cycle to after radio chip provides electric current, ZnO
2battery also needs the time to recover.Typically, radio chip duty ratio, the time that namely wireless device is opened opens the percentage with turn-off time sum relative to wireless device, must keep below 10%.
Circuit by between the power supply and the source voltage input of wireless communication unit of hearing aid circuit, such as, between the output and the power supply input of radio chip of voltage multiplie, can be connected with resistor and capacitor and relaxed by this problem.Peak current is delivered to wireless communication unit by capacitor, and to make the peak current obtained from power supply diminish, and resistor will be limited in the electric current obtained from power supply by wireless communication unit between condenser voltage decrement phase.
Scheduler can be configured to the estimating power consumption based on current or nearest communication task, calculate the start-up time of possibility the earliest for performing next communication task, to provide the power supply of battery as escribed above and/or capacitor, cycle recovery time between current or nearest communication task terminates and next communication task starts.
After the communication task performed by wireless communication unit terminates, cycle recovery time of application can be calculated as the estimation duration of the communication task performed by wireless communication unit or actual duration multiplication by constants.
The time cycle that estimating the duration can be increased by the preliminary treatment of communication task, transmission, reception and reprocessing forms.
The actual duration can by wireless device when executive communication task actual be powered during time cycle of increasing form.Therefore, when using the actual duration to calculate cycle recovery time, the possible power down cycle of wireless device during executive communication task does not join cycle recovery time.
The scope of constant can from 0.5 to 2, preferably from 0.6 to 1.8, more preferably from 0.7 to 1.5, most preferably from 0.8 to 1.4.Such as, constant can equal 1.125.
After the communication task performed by wireless communication unit terminates application cycle recovery time can by during executive communication task from power supply obtain electric charge or Current calculation.
When calculating cycle recovery time, scheduler can consider power supply status, i.e. the discharge condition of battery.Such as, above-mentioned constant can increase according to the function of battery discharge status.
Described communication request can comprise the priority of communication task.
Described communication request can comprise the start-up time of the communication task for performing request.
Described communication request can comprise the duration of the communication task for performing request.
Described scheduler can determine that described request start-up time is disabled, and can pass on to described request task and must ask another start-up time.
Described scheduler can determine that the task of having dispatched such as can not perform at scheduling place's start-up time owing to having the request of higher priority, and can pass on to described task of having dispatched the start-up time that must please look for novelty.
Described scheduler can be configured to: before having the communication task of higher priority, allow to have the communication task executive communication of more low priority, as long as the time in the proper restoration time cycle of power supply is terminated its communication by the communication task with more low priority, disappeared before starting in the communication task with higher priority.
Described scheduler also can dispatch other task except wireless communications task, therefore, described scheduler can be configured to receive from the task requests of other task except wireless communications task, and can according to each task of node state scheduling of task priority and power supply.
Described scheduler also also can consider the power consumption of other task except radio communication when dispatching.The example of other task comprises power consumption algorithm, the storage in flash memory, etc.Cycle recovery time of other task like this can to calculate with the above-mentioned mode related to for the explanation in cycle recovery time of wireless communications task is identical.Such as because power consumption is different, so for dissimilar task, constant can be different.
Described scheduler can be configured to the one or more power dowji portions making hearing aid circuit, to avoid causing too much power consumption because power consuming circuitry operates simultaneously.
Such as, such as, to flash memory write and/or from flash memory read, during execution power consumption algorithm etc., described scheduler can be configured to turn off wireless communication unit within rest period.
Preferably, even described scheduler is configured to the repeating of Given task, when easily can determine or determine multiple start-up time, such as, streaming audio, also dispatch next start-up time of each request task, namely scheduler is configured to multiple start-up times of not dispatching Given task.In this manner, the quantity of scheduler task keeps low, thus owing to not needing to respond dispatching again of newly request, so make scheduler keep simple and dynamic.
When communication task is more Zao than scheduling ground terminate or stop, scheduler can be configured to actual duration based on communication task under a cloud and/or actual power consumption, then calculates cycle recovery time.After cycle recovery time calculated again disappears, and until the scheduling start-up time of next scheduler task, the sufficient time can be had to perform another task, and as described above, scheduler can be configured to: even if another task has than next scheduler task more low priority, also allow to perform another task, as long as the time in association cycle recovery time terminates by task, disappeared before starting in next scheduler task.
Signal transacting in new hearing aids can be performed by special hardware, or can perform in one or more signal processor, or performs in the combination of specialized hardware and one or more signal processor.
Agreement is the system of the Numeral Rules for such as carrying out exchanges data in a network in equipment or between equipment.Agreement limits the grammer of communication, semanteme and synchronously.Agreement at hardware, software or can perform simultaneously in both.
Communication task comprise request executive communication action, such as by data packets to hearing aids.Communication request can by needing to perform with another equipment in the crew-served hearing aids of communication unit of hearing aids or processor.
As used herein, term " processor ", " signal processor ", " controller ", " system " etc. are used in reference to the combination of the entity relevant to CPU or hardware or hardware and software or software or executory software.
Such as, " processor ", signal processor ", " controller ", " system " etc. can be but be not limited to be run in processor process, processor, object, executable file, the thinking of execution and/or program.
By way of example, term " processor ", signal processor ", " controller ", " system " etc. specify the application and hardware processor that run within a processor.One or more " processor ", signal processor ", " controller ", " system " etc. or its combination in any; in the process that can be included in execution and/or thinking; and one or more " processor ", signal processor ", " controller ", " system " etc. or its combination in any, can realize in a hardware processor, can with the combination of another hardware circuit in realize, and/or be distributed between two or more hardware processor and realize, realize in also can combining at the hardware circuit with other.
In addition, processor (or similar term) can be can any element of executive signal process or any combination of element.Such as, signal processor can be asic processor, FPGA processor, general processor, microprocessor, circuit element or integrated circuit.
Accompanying drawing explanation
Hereinafter, new method and hearing aids is explained in more detail with reference to accompanying drawing, wherein
Fig. 1 schematically illustrates the hearing aids according to appended claim communicated in the wireless network.
Fig. 2 is the schematic diagram according to one of appended claim new hearing aids.
Fig. 3 illustrates time slot and frame.
Fig. 4 illustrates various task requests, and
Fig. 5 shows subscription list and priority task list.
Embodiment
Hereinafter, the various examples of new method and hearing aids are illustrated.But, can implement in different forms according to the new method of claims and hearing aids, and should not be configured to be constrained to example described herein.
It should be noted that accompanying drawing is schematic, and simplify to know, they only illustrate to understand new method and the necessary details of hearing aids, and have given up other details.
In all of the figs, identical Reference numeral indicates identical element.Therefore, identical element can not describe in detail in the description of each accompanying drawing.
Fig. 1 schematically illustrates binaural hearing aid 10L, 10R, i.e. left ear hearing aids 10L and auris dextra hearing aids 10R, each wireless communication unit had for being connected with wireless network, wherein, multiple miscellaneous equipments in hearing aids 10L, 10R and wireless network by two hearing-aid interconnection, and interconnect by this wireless network.In the example of example in FIG, doorbell, mobile phone, cordless telephone, television set and fittings equipment are also connected to wireless network.
ID identifies each equipment.This ID is unique in a network.
In Fig. 1, the hearing aid network of example operates in industrial scientific medical (ISM) frequency band of 2.4GHz.It comprises 80 channels of 1MHz bandwidth.Use frequency hopping TDM scheme.Between Harvest time, hopping scheme comprises the quantity reducing channel in order to gather quickly, such as, be less than 16 channels, preferably 8 channels.The member of the channel group after minimizing represents collection channel.Preferably, in all frequency bands of network utilisation, distribute equably and gather channel.
Fig. 2 illustrates the schematic diagram of new hearing aids 10.
Hearing aids 10 has ZnO
2battery 12, it connects and is used for powering to hearing aid circuit 14.
Hearing aid circuit 14 comprises the input transducer 16 that form is microphone 16.When hearing aids 10 works, microphone 16 exports simulated audio signal 18 based on the acoustic sound signal arriving microphone 16.
Simulated audio signal 18 is converted to corresponding digital audio and video signals 22 by analog to digital converter 20, for carrying out Digital Signal Processing in hearing aid circuit 14.Particularly, hearing loss processor 24A is configured to the hearing loss of the user compensating hearing aids 10.Preferably, hearing loss processor 24A comprises dynamic range processor well known in the art, for compensating the attached frequency loss of the dynamic range of the usually alleged user supplemented in this area.Therefore, hearing loss processor 24A exports digital hearing compensation audio signal 26.Hearing aids can be configured to recover loudness, substantially the loudness of the acoustic sound signal arriving microphone 16 is mated, as the loudness by the hearer that can normally hear perception with the loudness of the hearing loss compensation signal making the user awareness as put on hearing aids 10.
Digital hearing compensation audio signal 26 is converted to corresponding simulated hearing loss compensating audio signal 30 by digital to analog converter 28.
Simulated hearing loss compensating audio signal 30 is converted to the output transducer of receiver 32 form the ear-drum transmission that corresponding acoustic signal is used for user, thus makes user hear the sound arriving microphone; And the individual hearing loss of user is compensated.
A part of hearing loss processor 24A formation processing device A, this processor A performs the operating system 36A of hearing aids, a part of 36A of 36B and memory 38A.
Hearing aid circuit 14 also comprises the wireless communication unit B with wireless device 34, this wireless device be configured to for the miscellaneous equipment radio communication in the hearing aid network as shown in Figure 1 of binaural hearing aid system.Wireless communication unit B comprises the processor performing the operating system 36A of hearing aids, a part of 36B of 36B and memory 38B, and performs the processor 24B of various communication protocol and other task.
The operation of hearing aids 10 is controlled by operating system 36A, 36B.Operating system 36A, 36B are configured to management hearing aids hardware and software resource, the signal processing algorithm such as comprising hearing loss processor 24A and other possible processor and associate, wireless communication unit B, memory resource 38A, 38B, power supply 12, Deng, further, hearing aids Resourse Distribute is given the task that will perform by operating system 36A, 36B.
Operating system 36A, 36B scheduler task effectively to use hearing aids source, and comprise the software for calculation for absorption of costs, and absorption of costs comprises power consumption, processor time, memory location, Wireless transceiver and other resource.
Although the application code of task is directly performed by the suitable part of hearing aid circuit usually, but for the various tasks that such as radio communication and memory are distributed, operating system is used as the intermediary between task and hearing aid circuit hardware, and will make each operation system function of system call continually or be interrupted.
Particularly, operating system 36B controls wireless device 34 according to the priority of each communication protocol with each communication task, performs the radio communication with miscellaneous equipment.
Operating system 36B comprises scheduler 40, and it receives the request from the task that will perform, and comprises communication request.Communication request comprise communication task priority, for perform request communication task request start-up time and for perform request communication task expected duration.
Scheduler 40 in response to task requests, the discharge condition of powering to wireless device 34 of task based access control priority and capacitor 42 and being charged each task of scheduling by battery 12 by resistor 44.
The circuit with resistor 44 and capacitor 42 can omit, that is, resistor 44 can substitute by short circuit, capacitor 42 can be substituted by open circuit, and in the case, scheduler 40 is in response to task requests, and the discharge condition of task based access control priority and battery 12 dispatches each task.
In the illustrative example of the combination of battery 12 and capacitor 42, in order to provide cycle recovery time of power supply between current or nearest communication task terminates and next communication task starts, scheduler 40, based on the estimating power consumption of current or nearest communication task, calculates the time that may start the earliest for performing next communication task.
After the communication task performed by wireless device 34 terminates, cycle recovery time of application can be calculated as the estimation duration of the communication task performed by wireless device 34 or actual duration multiplication by constants.
The time cycle that estimating the duration can be increased by the preliminary treatment of communication task, transmission, reception and reprocessing forms.
The actual duration can by wireless device 34 when executive communication task actual be powered during time cycle of increasing form.Therefore, when using the actual duration to calculate cycle recovery time, the possible power down cycle of wireless device 34 during executive communication task does not join cycle recovery time.
In the hearing aids 10 of example, constant can equal 1.125.
In another example, after the communication task performed by wireless device 34 terminates application cycle recovery time can by during executive communication task from power supply obtain electric charge or Current calculation.
In addition, when calculating cycle recovery time, scheduler 40 can consider power supply status, i.e. the discharge condition of battery 12 and/or capacitor 42.Such as, the function that above-mentioned constant can discharge according to battery 12 increases.
Scheduler 40 can be determined to ask be disabled start-up time, and can must ask another start-up time to the reception and registration of described request task.
Scheduler 40 can be determined such as owing to having entering of the request of higher priority, and the task of having dispatched can not be performed at scheduling place's start-up time, and can pass on to described task of having dispatched the start-up time that must please look for novelty.
Scheduler 40 can be configured to: before having the communication task of higher priority, allow to have the communication task executive communication of more low priority, as long as the time in association cycle recovery time is terminated its communication by the communication task with more low priority, disappeared before starting in the communication task with higher priority.Such as, this may stop or be useful when ending task within the time shorter than the request duration.This before next scheduler task of startup, can retain the space of another task that will perform.
Scheduler 40 also can consider the power consumption of other task except radio communication when dispatching.The example of other task comprises the storage etc. in power consumption algorithm, flash memory.Cycle recovery time of other task like this can to calculate with the above-mentioned mode related to for the explanation in cycle recovery time of wireless communications task is identical.Such as because power consumption is different, so for dissimilar task, constant can be different.
Scheduler 40 can be configured to the one or more power dowji portions making hearing aid circuit, to avoid causing too much power consumption because power consuming circuitry operates simultaneously, and the such as signal processor etc. of wireless device 34, flash memory, executive signal Processing Algorithm.
Such as, such as, to flash memory write and/or from flash memory read, during execution power consumption algorithm etc., scheduler 40 can be configured to turn off wireless device 34 within rest period.
Preferably, even scheduler 40 is configured to the repeating of Given task, when easily can determine or determine multiple start-up time, such as, streaming audio, also only dispatch next start-up time of each task, namely scheduler 40 is configured to order start-up time not dispatching Given task.In this manner, the quantity of scheduler task is retentively low, thus owing to not needing to respond dispatching again of new request, so make scheduler 40 keep simple and dynamic.
When communication task is more Zao than scheduling ground terminate or stop, scheduler 40 can be configured to actual duration based on communication task under a cloud and/or actual power consumption, then calculates cycle recovery time.After cycle recovery time calculated again disappears, and until the scheduling start-up time of next scheduler task, the sufficient time can be had to perform another task, and as described above, scheduler 40 can be configured to: even if another task has than next scheduler task more low priority, also allow to perform another task, as long as more the time in more association cycle recovery time of the task of low priority terminates by the task of low priority, disappeared before starting in next scheduler task.
An exemplary agreement is shown in Figure 3, and wherein, the time is divided into and has 1250 μ s length (minimum Bluetooth
tMthe twice of the length of time slot) so-called time slot.This time-gap number is 0 to 255.
256 time slots, that is, time slot 0 to time slot 255 forms a frame.Frame is also numbered.
Affecting in the factor that slot length selects, be the lower time of delay needed for system, and the low expense of the expectation locked relative to header and phase-locked loop (PLL).
Preferably, the length of time slot is the multiple of 625 μ S, and being convenient to (namely not stoping) can at BLUETOOTH
tMenable in equipment and realize according to agreement of the present invention.
Each time slot (except time slot 128), for the transmission of a special equipment, makes the data collision prevented in network.Any slave devices can transmit data in time slot 128, thus may clash in gap at this moment.Main process equipment transmits the timing information in time slot 0.Each counter synchronisation of the main process equipment of the time slot of slave devices and frame counter and network.
Equipment can use the one or more time slots transmitted for data.Time slot can distribute during the manufacture of giving locking equipment, or time slot dynamically can distribute between Harvest time.Preferably, allocation table is stored in main process equipment.
The operation of scheduler 40 is as shown in figures 4 and 5.
Fig. 4 illustrates by two communication tasks, i.e. task 1 and task 2 communication request of carrying out.Task 1 can be the communication task relevant to the audio stream from television set to hearing aids such as performed according to hearing aid network communication protocol, and task 2 can be the communication task relevant to the communication between the smart phone performed according to the low-yield agreement of bluetooth and hearing aids.Each communication request comprises the start-up time of the communication task performed, duration and priority.Duration comprises the preliminary treatment of communication task, transmission, reception and reprocessing.In the diagram, open area instruction preliminary treatment and reprocessing.
In the example of example, communication task 1 has formed two communication request, can be transmitted when the first transmission (request 1) is unsuccessful to make voice data again.Second request is formed as high priority, to make the possibility performing second communication task at request time place high.In the example in fig. 4, communication task 1 has priority 2, and communication task 2 has priority 3, and communication task 3 has priority 1.The highest priority has minimum priority number.
If received communication request, then scheduler 40 calculates the end time of each communication request, using the summation in cycle recovery time as request duration d and permission power up.In the example of example, cycle recovery time equals 9/8 times of duration.
Therefore, the end time
1=t
1+ d
1+ 9/8*d
1, and the end time
2=t
2+ d
2+ 9/8*d
2, and the end time
3=t
3+ d
3+ 9/8*d
3.
Some communication tasks can not be movable.Such as, some time can not use a teleswitch.Movable and inactive task is marked as in request list shown in Figure 5 and indicates.The parameter of inactive task can be the present no parameter of nearest communication request.
As shown in Figure 5, scheduler 40 now according to request list dispatching communication task, and forms the priority list illustrated formed by listing active communications request with priority orders.Then, scheduler identification has the task that end time ratio has Zao request start-up time of the communication task of limit priority (communication request 3 in the example of example).In the example of example, the mode that can perform before having the task start of communication request 3 with a corresponding task, communication request 1 and communication request 2 all have and compare t
3end time early.In this case, perform the communication task with limit priority, namely there is the task of communication request 1.
When successfully execution has the task of communication request 1, because voice data successfully communicates now, so scheduler 40 deleting communication request 3, namely the second time of communication request 1 makes a reservation for.Due to the end time
1be greater than t
2, and message is sent to the request task that must carry out new communication request, thus scheduler 40 also determine at request time place can not executive communication task 2;
In communication task 1 at t
1after when terminating at once, such as, when not having header to be detected due to noise, then the renewal based on corresponding shorter recovery time calculates, and calculates the new end time, and at t start-up time of communication request 2
2when being later than the new end time of communication task 1, then due to end time t
2at t start-up time of the communication request 3 of higher priority
3before, so executive communication task 2.If end time t
2be later than t
3, then communication task 2 will be dispatched again, and namely scheduler 40 will be sent to message the request task that must carry out new communication request.
In communication task 1 at t
1after when terminating at once; But, more late than example before, be later than t to make the new end time
2, then again dispatching communication task 2 again, and the communication task of executive communication request 3.
Claims (17)
1. comprise a hearing aids for power supply, connect described power supply to power to hearing aid circuit, described hearing aids has:
Input transducer, described input transducer is configured to based on being applied to described input transducer and the signal of representative voice, output audio signal;
Hearing loss processor, described hearing loss processor is configured to the hearing loss of the user compensating described hearing aids, and exports hearing compensation audio signal;
Output transducer, described output transducer is configured to export sound sense signal based on described hearing compensation audio signal, and described sound sense signal can be received by human auditory system, to make user's acoustic; And
Wireless communication unit, described wireless communication unit is configured to and another devices communicating; And
Operating system, described operating system is configured to control described wireless communication unit and performs and the communicating of miscellaneous equipment according to multiple communication protocol and priority, and wherein, described operating system comprises:
Scheduler, described scheduler is configured to receive the communication request from communication task, and each described communication task of the node state scheduling of task based access control priority and described power supply.
2. hearing aids according to claim 1, wherein, described hearing aid circuit comprises capacitor, for providing electric current to described wireless communication unit.
3. hearing aids according to claim 2, wherein, described hearing aid circuit comprises the resistor be connected between described power supply and described capacitor.
4. the hearing aids according to any one in aforementioned claim, wherein, described scheduler is configured to the estimating power consumption based on current or nearest communication task, calculate the start-up time of possibility the earliest for performing next communication task, to provide cycle recovery time of described power supply.
5. hearing aids according to claim 4, wherein, described cycle recovery time is the duration multiplication by constants of described current or nearest communication task.
6. hearing aids according to claim 4, wherein, described cycle recovery time is described current or nearest communication task the term of execution, from the function of the electric current that described power supply obtains.
7. the hearing aids according to any one in claim 4 to 6, wherein, described power supply comprises battery, and wherein, and described cycle recovery time is the function of the state of described battery.
8. the hearing aids according to any one in aforementioned claim, wherein, at least one in described communication request comprises the priority of described communication task.
9. the hearing aids according to any one in aforementioned claim, wherein, at least one in described communication request comprises the start-up time of the communication task for performing request.
10. the hearing aids according to any one in aforementioned claim, wherein, at least one in described communication request comprises the duration performing the communication task of asking.
11. hearing aidss according to any one in aforementioned claim, wherein, described scheduler is configured to: before having the communication task of higher priority, allow to have the communication task executive communication of more low priority, as long as more the time in the proper restoration time cycle of described power supply is terminated its communication by the communication task of low priority described in having, disappeared before starting in the communication task with described higher priority.
12. hearing aidss according to any one in aforementioned claim, wherein, described scheduler was configured to turn off described communication unit within the dormancy time cycle.
13. hearing aidss according to any one in aforementioned claim, wherein, described scheduler is configured to determine that described request start-up time is disabled, and passes on to described request task and must ask another start-up time.
14. hearing aidss according to any one in aforementioned claim, wherein, the task that described scheduler is configured to determine to have dispatched can not perform at described scheduling place's start-up time, and passes on to described task of having dispatched the start-up time that must please look for novelty.
15. hearing aidss according to any one in aforementioned claim, wherein, described scheduler is configured to the power consumption considering other task except radio communication when dispatching.
16. hearing aidss according to any one in aforementioned claim, wherein, being included at least partially in described hearing loss processor of described operating system.
17. 1 kinds of methods of dispatching the radio communication of hearing aids, described hearing aids comprises power supply, and connect described power supply to power to hearing aid circuit, described hearing aids has:
Input transducer, described input transducer is configured to based on being applied to described input transducer and the signal of representative voice, output audio signal;
Hearing loss processor, described hearing loss processor is configured to the hearing loss of the user compensating described hearing aids, and exports corresponding hearing compensation audio signal;
Output transducer, described output transducer is configured to export sound sense signal based on described hearing compensation audio signal, and described sound sense signal can be received by human auditory system, to make user's acoustic;
Wireless communication unit, described wireless communication unit is configured to and another devices communicating; And
Operating system, described operating system is configured to control described wireless communication unit and communicates with miscellaneous equipment with multiple communication tasks of priority according to having each communication protocol, and described method comprises:
Receive the communication request from described communication task,
The state of task based access control priority and described power supply, dispatching sequence, is had the communication task of described communication request by described wireless communication unit transmission according to described order.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201400103 | 2014-02-24 | ||
| DKPA201400103 | 2014-02-24 |
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Also Published As
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| CN104869516B (en) | 2020-03-17 |
| JP6633830B2 (en) | 2020-01-22 |
| JP2015173437A (en) | 2015-10-01 |
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