CN113778372B - Medical care advertising machine double-sound card switching method - Google Patents
Medical care advertising machine double-sound card switching method Download PDFInfo
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- CN113778372B CN113778372B CN202111329692.0A CN202111329692A CN113778372B CN 113778372 B CN113778372 B CN 113778372B CN 202111329692 A CN202111329692 A CN 202111329692A CN 113778372 B CN113778372 B CN 113778372B
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- talkback
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H80/00—ICT specially adapted for facilitating communication between medical practitioners or patients, e.g. for collaborative diagnosis, therapy or health monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
Abstract
The invention relates to a medical care advertising machine double-sound card switching method, which works according to the following steps that firstly, the medical care advertising machine is started, secondly, the medical care advertising machine detects the access condition of a sound card, when only the advertisement playing sound card is connected into the medical care advertisement machine, the medical care advertisement machine works in the form of the advertisement machine, when only the talkback sound card is connected into the medical care advertising machine, the medical care advertising machine works in the form of the talkback machine, when the advertisement playing sound card and the talkback sound card are simultaneously connected into the medical care advertisement machine, the medical care advertisement machine works according to the following mode, the step A is that the advertisement playing sound card and the talkback sound card simultaneously enter the working state, the step B is that when the medical care advertisement machine does not receive the talkback request, the medical care advertisement machine works according to the mode of the step A, the step C is that when the medical care advertisement machine receives the talkback request, the talkback sound source is sent to the talkback sound card to be processed and then played through the power amplifier.
Description
Technical Field
The invention relates to a double-sound-card switching method for an advertising machine, in particular to a double-sound-card switching method applied to a medical advertising machine.
Background
The advertisement player is a new generation of intelligent equipment, forms a complete advertisement broadcasting control system through terminal software control, network information transmission and multimedia terminal display, and carries out advertisement propagation mainly through multimedia materials such as pictures, characters, videos and small plug-ins (weather, exchange rate and the like). The initial idea of the advertising engine was to change the advertisement to active, so the interactivity of the advertising engine enabled it to serve many public services and thereby attract customers to actively view the advertisement. Therefore, the mission of the advertisement player at the beginning of birth is to change the mode of passive advertisement propagation and attract customers to actively browse advertisements in an interactive mode. The development direction of advertising machines continues to be the mission of intelligent interaction, public service, entertainment interaction, etc.
The advertising machine is also widely used in the medical care field, and the functional requirements of the medical care advertising machine are different compared with the traditional advertising machine. Medical care advertisement machine not only needs traditional advertisement machine's information dissemination function, need provide for medical personnel and medical personnel moreover, provides corresponding dialogue function between medical personnel and the patient etc.. The traditional advertising machine with only a single audio chip cannot meet the simultaneous use of the two functions, which is just the disadvantage of the traditional advertising machine.
In addition, the traditional medical advertising machine generally only has the function of a sound button switch, the traditional medical advertising machine does not have the function of forced muting, and is required by treatment and rehabilitation in a ward, sound in the ward needs to be forced muting under many conditions so as to facilitate treatment and rehabilitation of patients, the traditional medical advertising machine does not have the corresponding function, and the traditional medical advertising machine has another defect.
Disclosure of Invention
The technical scheme adopted by the invention is as follows: a medical care advertising machine double-sound card switching method is characterized in that: the procedure was as follows.
The first step, open this medical care advertisement machine, this medical care advertisement machine includes advertisement broadcast sound card and talkback sound card.
The second step, detect the access condition of sound card by this medical care advertisement machine, when only this advertisement broadcast sound card inserts this medical care advertisement machine in, this medical care advertisement machine carries out work with the form of advertisement machine, when only this talkback sound card inserts this medical care advertisement machine in, this medical care advertisement machine carries out work with the form of intercom, when this advertisement broadcast sound card and this talkback sound card insert this medical care advertisement machine simultaneously, this medical care advertisement machine works according to following mode.
And step A, the advertisement playing sound card and the talkback sound card simultaneously enter a working state, and the same sound source is played by the advertisement playing sound card and the talkback sound card at the same time.
And step B, when the medical care advertising machine does not receive the talkback request, the medical care advertising machine works according to the mode of the step A.
And step C, when the medical care advertising machine receives the talkback request, the medical care advertising machine judges whether the talkback sound card is opened or not, if the talkback sound card is in a closed state, the talkback sound card is opened, if the talkback sound card is in an open state, the talkback sound source is sent to the talkback sound card for processing and then played through a power amplifier, and the advertisement playing sound card continues to play the sound source according to the mode of the step A.
The invention has the beneficial effects that: the invention adds one more audio chip on the basis of the functions of the traditional advertising machine and the android advertising machine supporting the dual audio chips, and can meet the requirement that the dual audio chips respectively and independently work at the same time without mutual influence. The medical advertising machine can realize the talkback function when playing advertisements, and the principle is that the two audio chips work simultaneously, one audio chip is used for playing advertisements, and the other audio chip is used for the talkback function. For a traditional advertising player only provided with a single audio chip, the usage scene is single, and certain specific scenes cannot be met, for example, the advertising player applied to the medical care field needs to meet the functions of advertisement playing and talkback at the same time; if the functions are realized by only adding the peripheral, the development cost can be greatly increased, the technology of the invention can meet the use scene required above, compared with the mode of adding the peripheral, the mode of adding the chip can save the cost to a greater extent, can realize the forced silence to the ward, and is convenient for the doctor to manage the ward.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
FIG. 2 is a schematic diagram of the invention.
FIG. 3 is a schematic view of the invention.
FIG. 4 is a schematic structural diagram of the box for containing feces of the present invention.
Detailed Description
As shown in fig. 1 to 4, a dual sound card switching method of a medical advertising machine operates according to the following steps.
First, the medical advertising machine 100 is turned on, and the medical advertising machine 100 includes an advertisement playing sound card 110 and a talkback sound card 120.
Secondly, the access situation of the sound card is detected by the medical care advertisement machine 100, when only the advertisement playing sound card 110 is accessed into the medical care advertisement machine 100, the medical care advertisement machine 100 works in the form of an advertisement machine, when only the talkback sound card 120 is accessed into the medical care advertisement machine 100, the medical care advertisement machine 100 works in the form of an interphone, and when the advertisement playing sound card 110 and the talkback sound card 120 are simultaneously accessed into the medical care advertisement machine 100, the medical care advertisement machine 100 works in the following manner.
Step A, the advertisement playing sound card 110 and the talkback sound card 120 enter a working state at the same time, the same sound source is played by the advertisement playing sound card 110 and the talkback sound card 120 at the same time without difference, the sound can be produced only by connecting a loudspeaker, the broadcasting propagation range can be enlarged by arranging the loudspeaker at different positions, and the propagation range is greatly enlarged relative to that of a single-sound advertisement player.
And step B, when the medical care advertising machine 100 does not receive the talkback request, the medical care advertising machine 100 works according to the mode of the step A.
Step C, when the medical advertising machine 100 receives the talk-back request, the medical advertising machine 100 will determine whether the talk-back sound card 120 is already opened, and if the talk-back sound card 120 is in the closed state, the talk-back sound card 120 is opened.
If the talkback sound card 120 is in the open state, the talkback sound source is sent to the talkback sound card 120 for processing and then played through the power amplifier.
The advertisement playing sound card 110 continues to play the sound source according to the method of step a, and automatically reduces the volume of the played sound source.
As mentioned above, the two sound cards of the invention work independently without mutual interference; the user can be according to the demand whether need be when one talkback the conversation, if another sound card is working the broadcast sound source, then reduces the volume of broadcast sound source automatically for can not too influence talkback the conversation too noisy, the system can make the default setting equally.
As mentioned above, in step a, when the medical advertising machine 100 does not perform the intercom call, the advertisement playing sound card 110 and the intercom sound card 120 are set to play different sound sources respectively, the two sound cards work simultaneously and play different advertisements, the medical advertising machine 100 is configured with two display screens, so that the medical advertising machine 100 can play different video and sound effects simultaneously, which is equivalent to the effect of the two advertising machines, at this time, when the medical advertising machine 100 receives the intercom request, the intercom sound card 120 can pause playing the current sound source and switch back to the intercom call for use, when the intercom is over, the intercom sound card 120 can continue playing the previous sound source, and the flow system is automatically controlled and executed.
In step C, when the medical advertising machine 100 receives the intercom request, the medical advertising machine 100 sets the advertisement playing sound card 110 and the intercom sound card 120 to be used for the intercom function at the same time, when the medical advertising machine 100 receives the intercom request, the advertisement playing sound card 110 records the environmental sound, the intercom sound card 120 records the human voice and the environmental sound, then the audio frequencies recorded by the two sound cards are compared to filter out the environmental sound, and the human voice is sent out by the medical advertising machine 100 to improve the conversation effect, which is specifically described as that, if the medical advertising machine 100 of the present invention is used in an environment where the sound is noisy, it can be set that when the intercom conversation is performed, the two sound cards can be used for the intercom function at the same time; when an intercom request comes in, the two sound cards are switched to be used for intercom, the purpose is that the two sound cards simultaneously receive sounds, one sound card records environmental sounds, the other sound card records voices, then algorithm processing is carried out on the acquired audio, and the purer voices can be obtained, so that intercom conversation can be smoothly and clearly carried out in a noisy environment, and after the intercom conversation is finished, the two sound cards can be switched to the working state before the conversation to continue previous work.
In practice, the functions of the invention can be directly set in the system, other software is not required to be installed, the set functions are finished, and the system automatically detects the current state to switch the working state of the sound card.
As shown in fig. 2 to 4, in a specific implementation, the healthcare advertisement machine 100 further includes a box 200 for inserting the advertisement, the advertisement playing sound card 110 and the intercom sound card 120 are disposed in the box 200 for inserting the advertisement, the box 200 for inserting the advertisement includes a housing 210, an external male terminal 220, a first internal female terminal 230 and a second internal female terminal 240, wherein the external male terminal 220 is protrudingly disposed at a front end of the housing 210, the first internal female terminal 230 and the second internal female terminal 240 are disposed in the housing 210, an external female terminal 500 is disposed on the healthcare advertisement machine 100 corresponding to the external male terminal 220, the external male terminal 220 is movably inserted into the external female terminal 500, and the first internal female terminal 230 and the second internal female terminal 240 are respectively connected to the external male terminal 220 through a connection wire 250.
In a specific implementation, the external female terminal 500 is disposed at the bottom of the medical advertising machine 100, and the connection line 250 may be a connection wire, a printed connection line on a PCB, or the like.
The advertisement playing sound card 110 and the talkback sound card 120 both include a body 310 and an internal male terminal 320, the internal male terminal 320 is disposed on the top of the body 310, the internal male terminal 320 of the advertisement playing sound card 110 is movably inserted into the first internal female terminal 230, the internal male terminal 320 of the talkback sound card 120 is movably inserted into the second internal female terminal 240, both sides of the body 310 are respectively provided with a slideway 311, a slider 211 is disposed in the housing 210 corresponding to the slideway 311, and the advertisement playing sound card 110 and the talkback sound card 120 can be movably inserted into the insertion box 200 through the slideway 311 and the slider 211.
When the box 200 is not inserted into the advertisement machine 100, the advertisement machine 100 will not play audio, so as to achieve the effect of forcing the ward to mute.
In practice, the box 200 is managed by medical personnel, thereby preventing the occurrence of situations where an individual patient is unauthorized to control the advertising machine 100 to play audio and disturb other patients.
When the box 200 is plugged into the advertisement player 100, the advertisement playing sound card 110 and the intercom sound card 120 can be selected to be connected to the advertisement player 100.
When the internal male terminal 320 of the advertisement playing sound card 110 is plugged into the first internal female terminal 230, the health care advertisement machine 100 can play an advertisement audio.
When the internal male terminal 320 of the intercom sound card 120 is plugged into the second internal female terminal 240, the health care advertisement player 100 can perform an intercom function.
When the advertisement playing sound card 110 and the internal male terminal 320 of the intercom sound card 120 are respectively plugged into the first internal female terminal 230 and the second internal female terminal 240, the health care advertisement machine 100 executes the operation of the step a.
In practice, the healthcare advertising machine 100 may be configured as follows.
Firstly, adding a driver of a used audio chip in the kernel of the medical advertising machine 100, and configuring an equipment tree.
And adding a kernel driver to a corresponding position under the kernel/directory, wherein the audio chip driver is generally positioned in the kernel/sound/soc/codes/, and modifying Makefile, Kconfig and kernel/. config to compile the driver into the kernel.
And then configuring an equipment tree, configuring information of a corresponding audio chip at the sound node, mounting the audio chip on the connected I2C bus, completing the matching of equipment and a driver, finally registering a sound card and an equipment node, and checking the information of the audio chip at/proc/asound/down.
And secondly, adding read-write permission to the sound card equipment node in the initialization file.
Corresponding read-write permission is given to the sound card equipment node in an android universal initialization file (init, rc and the like), an upper layer user and application can have permission to operate the sound card, the output and the closing of the sound card are controlled, and the sound card can be flexibly used.
And thirdly, adding support to the double sound card by the audio part code in the Hal layer.
Adding a configuration file codec _ config.h corresponding to an Audio chip into hardware/rockchip/Audio/tinyalsa _ hal/codec _ config/xxx _ config.h, declaring sound card name and configuration list table in hardware/rockchip/Audio/tinyalsa _ hal/codec _ config/config _ list.h, and setting routing route according to the names of sound card and sound _ card _ name by the Audio chip; the calling mode of the Hal layer sound card is route _ pcm _ open () - > get _ route _ control (route) - > route _ set _ controls () - > route _ pcm _ close () - > route _ set _ controls () -. By modifying the code of the Andorid Hal layer, the android system can support the dual-sound card equipment, and under the default condition, the dual-sound cards are simultaneously opened to output the same sound source. And fourthly, writing software APP with the application layer using the double-sound card.
The APP for operating the double-sound-card equipment and the sound card equipment under the operation/dev/snd/can be flexibly switched and used in software, so that the medical care advertising machine can realize audio output when one sound card plays advertisements, and the other sound card is used for the talkback function.
And fifthly, expanding the use scene of the dual-sound-card equipment machine.
The invention relates to a medical care advertising machine with a double-sound switching function, which aims at a use scene needing to simultaneously meet the functions of playing advertising audio and talkback, but the medical care advertising machine is not limited to the single use scene, and can be flexibly applied to the use scene needing double sounds by modifying a Hal layer and a software APP.
Claims (5)
1. A medical care advertising machine double-sound card switching method is characterized in that: the procedure is followed as follows in order to work,
firstly, starting the medical care advertising machine, wherein the medical care advertising machine comprises an advertisement playing sound card and an intercommunication sound card,
secondly, the medical care advertising machine detects the access condition of the sound card,
when only the advertisement playing sound card is connected to the medical care advertisement machine, the medical care advertisement machine works in the form of an advertisement machine,
when only the talkback sound card is connected into the medical care advertising machine, the medical care advertising machine works in the form of the talkback machine,
when the advertisement playing sound card and the talkback sound card are simultaneously connected into the medical care advertisement machine, the medical care advertisement machine works according to the following mode,
step A, the advertisement playing sound card and the talkback sound card enter into a working state at the same time, the same sound source is played by the advertisement playing sound card and the talkback sound card at the same time,
step B, when the medical care advertising machine does not receive the talkback request, the medical care advertising machine works according to the mode of the step A,
step C, when the medical care advertising machine receives the talkback request, the medical care advertising machine judges whether the talkback sound card is opened or not, if the talkback sound card is in the closed state, the talkback sound card is opened, if the talkback sound card is in the open state, the talkback sound source is sent to the talkback sound card for processing and then played through the power amplifier, the advertisement playing sound card continues to play the sound source according to the mode of the step A,
the medical care advertising machine also comprises a convenient inserting box, the advertisement playing sound card and the talkback sound card are arranged in the convenient inserting box, the convenient inserting box comprises a shell, an external male terminal, a first internal female terminal and a second internal female terminal, wherein the external male terminal is convexly arranged at the front end of the shell, the first internal female terminal and the second internal female terminal are arranged in the shell, the external female terminal is arranged on the medical care advertising machine corresponding to the external male terminal, the external male terminal is movably inserted on the external female terminal, the first internal female terminal and the second internal female terminal are respectively connected with the external male terminal through connecting wires,
the advertisement playing sound card and the talkback sound card both comprise a body and an internal male terminal, the internal male terminal is arranged at the top of the body, the internal male terminal of the advertisement playing sound card is movably inserted on the first internal female terminal, the internal male terminal of the talkback sound card is movably inserted on the second internal female terminal, both sides of the body are respectively provided with a slideway, a sliding block is arranged in the shell corresponding to the slideway, the advertisement playing sound card and the talkback sound card can be movably inserted in the insert box through the slideway and the sliding block,
when the convenient inserting box is not inserted in the medical care advertising machine, the medical care advertising machine can not play audio,
when the insert box is inserted in the medical care advertising machine, the modes of the advertisement playing sound card and the talkback sound card connecting to the medical care advertising machine can be selected,
when the internal male terminal of the advertisement playing sound card is inserted into the first internal female terminal, the medical care advertisement player can play advertisement audio,
when the internal male terminal of the talkback sound card is inserted into the second internal female terminal, the medical care advertising machine can have the talkback function,
when the internal connection male terminal of the advertisement playing sound card and the intercom sound card are respectively inserted into the first internal connection female terminal and the second internal connection female terminal, the medical care advertisement machine executes the work of the step A.
2. The double-sound-card switching method of the medical advertising machine according to claim 1, characterized in that: in step C, the advertisement playing sound card continues to play the sound source according to the method in step a, and automatically reduces the volume of the played sound source.
3. The double-sound-card switching method of the medical advertising machine according to claim 1, characterized in that: in the above step a, when the medical advertising machine does not perform the intercom call, the advertisement playing sound card and the intercom sound card are set to play different sound sources respectively, the two sound cards work simultaneously and play different advertisements, and the medical advertising machine is configured with two display screens, so that the medical advertising machine can play different videos and sounds simultaneously.
4. The double-sound-card switching method of the medical advertising machine according to claim 3, wherein: when the medical advertising machine receives the talkback request, the talkback sound card pauses playing the current sound source and switches back to talkback for use, and after the talkback is finished, the talkback sound card can continue playing the previous sound source.
5. The double-sound-card switching method of the medical advertising machine according to claim 1, characterized in that: step C as above, when this medical advertising machine received the request of talkbacking, this medical advertising machine set up this advertisement broadcast sound card and this talkbacking sound card and be used for the function of talkbacking simultaneously and use, when this medical advertising machine received the request of talkbacking, this advertisement broadcast sound card recorded the environment sound, this talkbacking sound card recorded the voice and the environment sound, later compared the audio frequency of recording two sound cards, filtered the environment sound, sent the voice by this medical advertising machine.
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