CN110322867B - Audio output method and related device - Google Patents
Audio output method and related device Download PDFInfo
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- CN110322867B CN110322867B CN201910534015.9A CN201910534015A CN110322867B CN 110322867 B CN110322867 B CN 110322867B CN 201910534015 A CN201910534015 A CN 201910534015A CN 110322867 B CN110322867 B CN 110322867B
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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Abstract
The embodiment of the invention discloses an audio output method and a related device, which are applied to an audio output platform, wherein the audio output platform comprises an antenna array, the antenna array comprises a plurality of antenna units, and each antenna unit sends and receives signals based on an inductive coupling mode. The method comprises the following steps: transmitting a first object scanning signal based on antenna units in an antenna array; receiving a first response signal of a first object scanning signal based on an antenna array, and determining a target antenna unit receiving the first response signal; and determining a target instrument module hit on the instrument board by the audio triggering device according to the position of the target antenna unit on the antenna array, and outputting audio corresponding to the target instrument module. By adopting the embodiment of the invention, the hitting position of the audio trigger device can be identified so as to output the audio corresponding to the hitting position, the operability of the musical instrument board can be improved, the replacement cost of the musical instrument board is reduced, and the applicability is high.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an audio output method and a related apparatus.
Background
In a traditional percussion application, each button on the musical instrument board outputs corresponding audio based on a closed circuit. That is, when each button is pressed, the circuit is operated when the circuit corresponding to the button is closed, so that each button is output under the driving of the circuit. However, the musical instrument board applied to the percussion instrument has complex structure and high manufacturing cost, cannot provide guidance service for users, and has poor applicability.
Disclosure of Invention
The embodiment of the invention provides an audio output method and a related device, which can output corresponding audio based on a musical instrument module hit by an audio trigger device, and have high user experience and strong applicability.
In a first aspect, an embodiment of the present invention provides an audio output method, which is applied to an audio output platform, where the audio output platform includes an antenna array, the antenna array includes a plurality of antenna units, and each antenna unit sends and receives a signal based on an inductive coupling manner;
the method comprises the following steps:
transmitting a first object scanning signal based on antenna units in the antenna array, the first object scanning signal being used to identify an audio trigger device hitting on a musical instrument board, a signal scanning period of the antenna array including a plurality of time intervals, a time interval being a time interval at which an antenna unit in the plurality of antenna units transmits a radio frequency signal as the first object scanning signal, the audio trigger device being located on the audio output platform;
receiving a first response signal of the first object scanning signal based on the antenna array, and determining a target antenna unit receiving the first response signal, where the first response signal is a signal fed back by an electronic tag in the audio trigger device after receiving the first object scanning signal;
and determining a target instrument module hit on the instrument board by the audio triggering device according to the position of the target antenna unit on the antenna array, and outputting an audio corresponding to the target instrument module, wherein the instrument board comprises a plurality of instrument modules.
With reference to the first aspect, in a possible implementation manner, before the transmitting the first object scanning signal based on the antenna units in the antenna array, the method further includes:
transmitting a second object scanning signal based on the antenna elements in the antenna array;
receiving a second response signal of the second object scanning signal based on the antenna array, wherein the second response is a signal fed back after the electronic tag in the musical instrument board receives the second object scanning signal;
determining the audio corresponding to the musical instrument module on the musical instrument board based on the tag identification of the electronic tag of the musical instrument board carried in the second response signal;
the arrangement position of each instrument module on the instrument board corresponds to the arrangement position of the plurality of antenna units in the antenna array, and the arrangement position of one instrument module in the instrument board corresponds to the arrangement position of one antenna unit in the antenna array.
With reference to the first aspect, in one possible implementation manner, the determining, according to the position of the target antenna unit on the antenna array, a target instrument module hit by the audio triggering device on the instrument board includes:
determining a target arrangement position of the target antenna unit in the antenna array;
and determining the instrument module with the arrangement position consistent with the target arrangement position in the instrument board, and determining the instrument module with the arrangement position consistent with the target arrangement position as the target instrument module hit on the instrument board by the audio triggering device.
With reference to the first aspect, in one possible implementation, the method further includes:
transmitting a third object scanning signal based on the antenna units in the antenna array;
receiving a third response signal of the third object scanning signal based on the antenna array, wherein the third response is a signal fed back by an electronic tag in the music score after receiving the third object scanning signal;
and determining the striking sequence of each instrument in the music score based on the tag identification of the electronic tag in the music score carried in the third response signal, and displaying the striking sequence to a user so that the user strikes the instrument module corresponding to each instrument in the instrument board based on the audio trigger device according to the striking sequence.
With reference to the first aspect, in one possible implementation, the method further includes:
when the user strikes the instrument modules in the instrument board according to the striking sequence based on the audio trigger device, determining striking sequence serial numbers of the target instrument modules, and determining the target instruments corresponding to the striking sequence serial numbers from the music score;
after the outputting the audio corresponding to the target musical instrument module, the method further includes:
determining whether the audio matches the target instrument.
With reference to the first aspect, in one possible implementation, the method further includes:
determining attribute information of the audio trigger device based on the first response signal;
and/or determining attribute information of the musical instrument board based on the second response signal;
and/or determining attribute information of the score based on the third response signal.
With reference to the first aspect, in a possible implementation manner, the determining a target antenna unit that receives the first response signal includes:
determining the working sequence of each antenna unit in the antenna array according to the time interval sequence of each antenna unit in the antenna array for sending radio frequency signals, wherein one antenna unit corresponds to one working sequence number;
determining a starting time node of the signal scanning period and a first duration of a time interval of the signal scanning period;
determining a second time length between a receiving time node of the first response signal and the starting time node, and determining the time interval number between the first time length and the second time length;
and determining the antenna unit with the working sequence number matched with the time interval number from the antenna units as a target antenna unit for receiving the first response signal.
In a second aspect, an embodiment of the present invention provides an audio output apparatus, where the apparatus includes an antenna array, where the antenna array includes a plurality of antenna units, and each antenna unit sends and receives signals based on an inductive coupling manner, and the apparatus further includes:
an object scanning signal sending module, configured to send a first object scanning signal based on antenna units in the antenna array, where the first object scanning signal is used to identify an audio trigger device that is hit on a musical instrument board, a signal scanning period of the antenna array includes a plurality of time intervals, and one of the plurality of antenna units sends a radio frequency signal as the first object scanning signal at one of the time intervals, and the audio trigger device is located on the audio output platform;
an antenna unit determining module, configured to receive a first response signal of the first object scanning signal based on the antenna array, and determine a target antenna unit that receives the first response signal, where the first response signal is a signal fed back by an electronic tag in the audio trigger device after receiving the first object scanning signal;
and the audio determining module is used for determining a target instrument module which is hit on the instrument board by the audio triggering device according to the position of the target antenna unit on the antenna array and outputting audio corresponding to the target instrument module, wherein the instrument board comprises a plurality of instrument modules.
With reference to the second aspect, in a possible implementation manner, the object scanning signal sending module is further configured to
Transmitting a second object scanning signal based on the antenna elements in the antenna array;
the device also comprises a signal receiving module;
the signal receiving module is further configured to receive a second response signal of the second object scanning signal based on the antenna array, where the second response is a signal fed back by the electronic tag in the musical instrument board after receiving the second object scanning signal;
the audio determining module is further configured to determine, based on the tag identifier of the electronic tag of the musical instrument board carried in the second response signal, an audio corresponding to the musical instrument module on the musical instrument board;
the arrangement position of each instrument module on the instrument board corresponds to the arrangement position of the plurality of antenna units in the antenna array, and the arrangement position of one instrument module in the instrument board corresponds to the arrangement position of one antenna unit in the antenna array.
With reference to the second aspect, in a possible implementation manner, the antenna unit determination module is configured to:
determining a target arrangement position of the target antenna unit in the antenna array;
the audio determination module is configured to:
and determining the instrument module with the arrangement position consistent with the target arrangement position in the instrument board, and determining the instrument module with the arrangement position consistent with the target arrangement position as the target instrument module hit on the instrument board by the audio triggering device.
With reference to the second aspect, in a possible implementation manner, the object scan signal sending module is further configured to:
transmitting a third object scanning signal based on the antenna units in the antenna array;
the signal receiving module is further configured to receive a third response signal of the third object scanning signal based on the antenna array, where the third response is a signal fed back by an electronic tag in a music score after receiving the third object scanning signal;
the audio determining module is further configured to determine a hitting sequence of each instrument in the musical score based on the tag identifier of the electronic tag in the musical score carried in the third response signal, and display the hitting sequence to a user so that the user hits, according to the hitting sequence, an instrument module corresponding to each instrument in the instrument board based on the audio triggering device.
With reference to the second aspect, in a possible implementation manner, the audio determining module is further configured to:
when the user strikes the instrument modules in the instrument board according to the striking sequence based on the audio trigger device, determining striking sequence serial numbers of the target instrument modules, and determining the target instruments corresponding to the striking sequence serial numbers from the music score;
the above-mentioned device still includes:
and the audio matching module is used for determining whether the audio is matched with the target musical instrument.
With reference to the second aspect, in a possible implementation manner, the apparatus further includes an attribute information determination module, where the attribute information determination module is configured to:
determining attribute information of the audio trigger device based on the first response signal;
and/or determining attribute information of the musical instrument board based on the second response signal;
and/or determining attribute information of the score based on the third response signal.
With reference to the second aspect, in a possible implementation manner, the antenna unit determination module further includes:
the sequence determining unit is further configured to determine a working sequence of each antenna unit in the antenna array according to a time interval sequence of the antenna units in the antenna array for sending radio frequency signals, where one antenna unit corresponds to one working sequence number;
a duration determining unit, further configured to determine a starting time node of the signal scanning period and a first duration of a time interval of the signal scanning period;
a data processing unit further configured to:
determining a second time length between a receiving time node of the first response signal and the starting time node, and determining the time interval number between the first time length and the second time length;
and determining the antenna unit with the working sequence number matched with the time interval number from the antenna units as a target antenna unit for receiving the first response signal.
In a third aspect, an embodiment of the present invention provides an apparatus, where the apparatus includes an antenna array, a processor, and a memory, where the antenna array, the processor, and the memory are connected to each other, the antenna array includes a plurality of antenna units, and each antenna unit transmits and receives a signal based on an inductive coupling manner. The memory is configured to store a computer program that enables the apparatus to perform the method provided by the first aspect and/or any one of the possible implementation manners of the first aspect, where the computer program includes program instructions, and the processor is configured to call the program instructions to perform the method provided by the first aspect and/or any one of the possible implementation manners of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored, where the computer program includes program instructions, and the program instructions, when executed by a processor, cause the processor to execute the method provided by the first aspect and/or any possible implementation manner of the first aspect.
In the embodiment of the invention, the musical instrument module which is hit on the musical instrument plate by the audio triggering device is identified, the audio corresponding to the musical instrument module can be output, and when a user continuously hits a plurality of musical instrument modules on the musical instrument plate, whether the hitting process of the user is correct or not can be determined based on the content of the music score, so that guidance is provided for the user, and the user experience is improved. Meanwhile, the musical instrument board, the audio trigger and the music score only comprise the electronic tags, so that the construction cost of the musical instrument board, the audio trigger and the music score can be reduced, and the applicability is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow chart of an audio output method provided by an embodiment of the invention;
fig. 2 is a schematic view of an application scenario of an antenna array according to an embodiment of the present invention;
fig. 3 is a schematic view of an application scenario of determining a target antenna unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an application scenario for determining a position of an audio trigger device according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for determining an audio frequency corresponding to an instrument module according to an embodiment of the present invention;
fig. 6 is a schematic view of an application scenario of the musical instrument board according to the embodiment of the present invention;
FIG. 7 is a schematic structural diagram of an audio output device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an apparatus provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The audio output method provided by the embodiment of the invention (for convenience of description, the method provided by the embodiment of the invention can be abbreviated as follows) can be widely applied to a system or a terminal for outputting audio based on a musical instrument board. The terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a Mobile Internet Device (MID), and the like, and is not limited herein. According to the method provided by the embodiment of the invention, an antenna array comprising a plurality of antenna units is deployed in a system or a terminal, each antenna unit in the antenna array sends a signal and receives a signal based on an inductive coupling mode, a radio frequency signal is sent outwards as an object scanning signal based on a time-sharing mechanism, then a response signal of the object scanning signal sent by the antenna units in the antenna array is received, a target antenna unit for receiving the response signal can be determined according to a receiving time node of the response signal, a target musical instrument module on a musical instrument board hit by an audio trigger device can be determined according to the position of the target antenna unit on the antenna array, and audio corresponding to the target musical instrument module is output.
The method and the related apparatus provided by the embodiment of the invention will be described with reference to fig. 1 to 8, respectively. Referring to fig. 1, fig. 1 is a schematic flowchart of an audio output method according to an embodiment of the present invention. The method provided by the embodiment of the invention can comprise the following steps 101 to 103:
101. a first object scanning signal is transmitted based on antenna elements in an antenna array.
In some possible embodiments, the directivity of a single antenna is limited, and in order to be suitable for various applications of the individual chess, two or more single antennas operating at the same frequency are fed and spatially arranged according to certain requirements to form an antenna array, and generally, the single antennas forming the antenna array are referred to as antenna elements. In short, a plurality of antenna units may form an antenna array by regular or random arrangement. For example, referring to fig. 2, fig. 2 is a schematic view of an application scenario of an antenna array according to an embodiment of the present invention. The antenna array in fig. 2 is composed of 9 × 9 antenna units, where each small square represents an antenna unit, and the small squares numbered 1-1 to 9-9 represent 81 antenna units in the antenna array, and each antenna unit corresponds to a numbered coordinate (x, y), where x is greater than or equal to 1 and less than or equal to 9, and y is greater than or equal to 1 and less than or equal to 9. The object scanning signal can be transmitted based on the antenna units in the antenna array, wherein any signal scanning period of the antenna array comprises a plurality of time intervals, and one antenna unit in the antenna array transmits a radio-frequency signal as the object scanning signal in one time interval, namely, each antenna unit in the antenna array works in a time-sharing mode. In other words, with the transmission time of the radio frequency signal on the whole time axis as a division object, the transmission time on the whole time axis can be divided into N signal scanning periods (N is an integer greater than 1), wherein one signal scanning period includes a plurality of time intervals, and each time interval is occupied by one antenna unit, so that it can be realized that only one radio frequency signal exists in the space in each short time interval, that is, each time interval is transmitted by one antenna unit in the antenna array. It can be understood that, in any signal scanning period, each antenna unit included in the antenna array may transmit a radio frequency signal at least once, and for convenience of description, the embodiment of the present invention is described by taking an example in which each antenna unit included in the antenna array transmits a radio frequency signal once in one signal scanning period. The switching manner of the antenna units in the antenna array for transmitting the radio frequency signal in one signal scanning period may be sequentially switching from left to right and from top to bottom, for example, see fig. 2, the antenna units in the antenna array may be switched according to the sequence of numbers 1-1, 1-2, 1-3, 1-4, …, 9-8 and 9-9, or alternatively, switching may be sequentially switched from left to right by spacing one antenna unit and from top to bottom, for example, see fig. 2, the first row may continue with the sequence of numbers 1-1, 1-3, 1-5, 1-7 and 1-9 until the end of the row, and then continue with the sequence of numbers 1-2, 1-4 and 1-6, Switching is carried out in the even number sequence with the number of 1-8, then switching is carried out in the odd number sequence with the number of 2-1, the number of 2-3, the number of 2-5, the number of 2-7 and the number of 2-9 in the second row to the tail of the row, switching is carried out in the even number sequence with the number of 2-2, the number of 2-4, the number of 2-6 and the number of 2-8, and so on, and switching of the antenna units from the 1 st row to the 9 th row in the antenna array is completed in one signal scanning period. Here, the switching manner of each antenna unit in the antenna array is specifically determined according to an actual application scenario, and is not limited herein.
It should be noted that the antenna unit in the embodiment of the present invention transmits and receives signals based on an inductive coupling method. That is, when it is turned that a certain antenna unit works, the inductor coil corresponding to the antenna unit works to generate a magnetic field, and the antenna unit can send a signal to an audio frequency trigger device with an electronic tag (also called as a radio frequency tag, a transponder, a data carrier, etc.) located in the magnetic field through the magnetic field; the magnetic field can provide electric energy for the audio frequency trigger device located in the magnetic field, and then the electronic tag of the audio frequency trigger device located in the magnetic field can send signals to the antenna based on the electric energy provided by the magnetic field, so that signal sending and signal receiving between the antenna unit and the electronic tag are completed.
102. A first response signal to the first object scan signal is received based on the antenna array.
In some possible embodiments, in a case that the antenna units have a unique connection manner (that is, the antenna units and the identification pins connected to the antenna have a one-to-one correspondence relationship), each antenna unit is connected to a different identification pin, and the antenna units have no direct connection relationship with each other, so that the target antenna unit can be determined according to the identification pin receiving the response signal.
In some possible embodiments, the control unit in the object positioning system may control each antenna unit in the antenna array to operate at different time intervals, and since the antenna unit controlled by the control unit is determined, the corresponding antenna unit, i.e. the target antenna unit, may be determined when the first response signal is received.
In some possible embodiments, a first response signal of the first object scanning signal fed back by the audio triggering device may also be received based on the antenna array, and a target antenna unit for receiving the response signal may be determined according to a receiving time node of the first response signal. Specifically, based on an object scanning signal, i.e., a radio frequency signal, transmitted by an antenna unit in the antenna array, an electronic tag in the audio trigger device or other functional modules capable of receiving the radio frequency signal can generate a response signal carrying information of the audio trigger device and/or information of the electronic tag by acquiring energy required for operation from the radio frequency signal. It is understood that the electronic tag includes an active electronic tag, a semi-passive radio frequency tag, a passive electronic tag, and the like, and the passive electronic tag is taken as an example for description in the embodiments of the present invention. The time length between the receiving time node and the starting time node can be determined as a second time length by determining a starting time node of a certain signal scanning period, a time length of any time interval in the signal scanning period (namely a first time length) and a receiving time node of a first response signal fed back by any chess piece, and then a target antenna unit for receiving the first response signal fed back by the audio trigger device can be determined from the multiple antenna units according to the time interval number between the second time length and the first time length and by combining the working sequence of each antenna unit in the antenna array determined based on the time interval sequence of each antenna unit sending the radio frequency signal in the antenna array. Here, one antenna element corresponds to one operation sequence number.
For example, referring to fig. 3, fig. 3 is a schematic view of an application scenario of determining a target antenna unit according to an embodiment of the present invention. Assuming that the switching sequence of the antenna elements in fig. 3 is from number 1-1, and switching is performed sequentially from left to right and from top to bottom, so that in one signal scanning period, the time intervals in which the antenna elements in the antenna array transmit radio frequency signals are in the order of 1 st radio frequency signal transmitted in the 1 st time interval Δ t1 (i.e., the antenna element with number 1-1 transmits radio frequency signals), 2 nd radio frequency signal transmitted in the 2 nd time interval Δ t2 (i.e., the antenna element with number 1-2 transmits radio frequency signals), 3 rd radio frequency signal transmitted in the 3 rd time interval Δ t3 (i.e., the antenna element with number 1-3 transmits radio frequency signals), 4 th radio frequency signal transmitted in the 4 th time interval Δ t4 (i.e., the antenna element with number 1-4 transmits radio frequency signals), 63 rd radio frequency signal transmitted in …, 63 rd radio frequency signal transmitted in the 63 rd time interval Δ t63 (i.e., the antenna element with number 8-7 transmits radio frequency signals), transmitted in the 81 st time interval Deltat 81The 81 th rf signal (i.e. the antenna unit numbered 9-9 transmits the rf signal), and therefore, the working sequence of each antenna unit in the antenna array is numbered 1-1, numbered 1-2, numbered 1-3, numbered 1-4, …, numbered 9-8, and numbered 9-9. Assuming that the duration of any time interval Δ t in the signal scanning period (i.e. the first duration) is 2ms, and the time length between the start time node and the receiving time node (i.e. the second duration) is 7ms, the quotient of the second duration and the first duration is rounded up (i.e. the second duration is rounded up)
) The number of time intervals between the second duration and the first duration is 4, and then the working sequence of the antenna units in the antenna array is combined, so that the 4 th antenna unit sending the radio-frequency signal in the signal scanning period can be determined to be the target antenna unit, namely the target antenna unit is the antenna unit with the number of 1-4.
Because the electronic tag in the audio triggering device and the antenna unit in the antenna array communicate in a near field coupling manner, and the antenna unit and the electronic tag are in a one-to-one relationship in the same time interval, that is, the electronic tag and the antenna unit perform near field communication in a point-to-point manner, the first response signal is a response signal fed back by the electronic tag in the audio triggering device after receiving the object scanning signal sent by the antenna unit. In other words, only when the distance between the audio triggering device and the antenna unit is within a certain preset range, the radio frequency signal sent by the antenna unit can be received by the electronic tag in the chess piece, and accordingly, the antenna unit can receive a response signal fed back by the electronic tag based on the radio frequency signal sent by the antenna unit.
103. And determining a target instrument module hit on the instrument board by the audio triggering device according to the position of the target antenna unit on the antenna array, and outputting audio corresponding to the target instrument module.
In some possible embodiments, the position of the audio triggering device compared to the antenna array may be determined based on the position of the target antenna unit on the antenna array before determining that the audio triggering device strikes the target instrument module on the instrument board. For example, referring to fig. 4, fig. 4 is a schematic diagram of an application scenario for determining the position of an audio trigger device according to an embodiment of the present invention. In fig. 4, the position of the audio triggering device (assuming that there is one electronic tag in the audio triggering device) relative to the antenna array may be equal to the position of the electronic tag in the audio triggering device, i.e., the position of the audio triggering device in fig. 4 relative to the antenna array may be equal to the position of the antenna unit 4-6 (i.e., the number coordinate is (4, 6)).
In some possible embodiments, the arrangement position of the instrument module on the instrument board corresponds to the arrangement position of the antenna unit in the antenna array, and the arrangement position of one instrument module in the instrument board corresponds to the arrangement position of one antenna unit in the antenna array. Therefore, after the position of the audio triggering device relative to the antenna array is determined, the target arrangement position of the target antenna unit in the antenna array, which receives the first response signal fed back by the audio triggering device, can be determined in the instrument board, and the instrument module position with the arrangement position consistent with the target arrangement position can be determined in the instrument board. At this time, the position of the audio output device may be determined as the position of the instrument module corresponding to the target antenna unit in the instrument board, so as to determine the target instrument module hit by the audio trigger device on the instrument board, and output the audio corresponding to the target instrument module. Meanwhile, when the audio corresponding to the target musical instrument module is output, the corresponding prompting information such as light, vibration and the like can be provided for the user, and the experience degree of the user is enhanced.
In some possible embodiments, each instrument module on the instrument panel corresponds to a fixed audio frequency, so that different audio frequencies can be output when the audio triggering device strikes different instrument modules. Fig. 5 is a schematic flowchart of a method for determining an audio frequency corresponding to an instrument module according to an embodiment of the present invention, where fig. 5 is a flowchart of the method for determining an audio frequency corresponding to an instrument module. The method provided in fig. 5 may comprise the following steps 201 to 203:
201. and transmitting a second object scanning signal based on the antenna elements in the antenna array.
202. And receiving a second response signal of the second object scanning signal based on the antenna array.
The specific implementation manner of the step 201 and the step 202 may refer to the implementation manner shown in fig. 1, and is not described herein again.
103. And determining the audio corresponding to the musical instrument module on the musical instrument board based on the label identification of the electronic label of the musical instrument board carried in the second response signal. In some possible embodiments, since the electronic tag in the musical instrument board is a unique tag, the tag identification of the electronic tag carried in the response signal received from the musical instrument board can determine the audio frequency corresponding to each musical instrument module on the musical instrument board. In short, the preset audio frequency of each instrument module on the instrument board can be determined based on the label identification, so that the audio frequency corresponding to the instrument module (preset) can be output after the audio triggering device strikes on the instrument module. Referring to fig. 6, fig. 6 is a schematic view of an application scenario of the musical instrument board according to the embodiment of the present invention. In fig. 6, a plurality of instrument modules are provided in the instrument board, and each instrument module represents an instrument. The audio triggering device may be a tapping stick including an electronic tag, and when the tapping stick taps on the location of the gong (the instrument module where the gong is located is shown in fig. 6), the audio corresponding to the instrument gong can be output. It should be noted that the instrument modules in the instrument board may be a plurality of instruments, that is, when the audio triggering device strikes on a certain instrument module, the audio corresponding to the instrument module can be output. The instrument modules in the instrument board may be different locations of an instrument (e.g., different strings of a stringed instrument, different keys of a piano), i.e., different tones of an instrument may be output based on the instrument board. For example, when the instrument modules of the instrument board are different keys of a piano, when the audio triggering device strikes one instrument module, the audio corresponding to the key represented by the instrument module can be output. The meaning represented by the musical instrument module on the musical instrument board and the corresponding audio frequency can be determined based on the actual application scene, and are not limited herein.
In the embodiment of the invention, the electronic tag is arranged in the musical instrument board, so that the accuracy of determining the audio frequency corresponding to the musical instrument module based on the signal fed back by the electronic tag can be improved while the construction cost of the musical instrument board is reduced, and the applicability is high.
In some possible embodiments, when the musical instrument boards are provided with the musical score, the striking sequence of each musical instrument in the musical score can be displayed to the user so that the user strikes the corresponding instrument module of each musical instrument board in the musical instrument according to the striking sequence based on the audio triggering device. Specifically, a third object scanning signal may be transmitted based on the antenna units in the antenna array, and a third response signal fed back by the score may be received based on the antenna array. The striking order of the instruments in the score can be determined and presented to the user based on the tag identification of the electronic tag in the score carried in the third response signal. When a user strikes the instrument modules in the instrument board based on the audio trigger device according to the striking sequence shown by the music score, the striking sequence number of the striking target instrument module can be determined when the user strikes the instrument board, and the target instrument corresponding to the striking sequence number is determined from the music score. When a user strikes the instrument modules in the instrument board according to the striking sequence shown by the music score, a piece of music consisting of multiple audio frequencies can be output, and at this time, the music corresponding to the striking sequence number can be determined based on the target instrument in the music score corresponding to the striking sequence number (the audio sequence corresponding to each instrument is consistent with the striking sequence number), so that whether the music generated by the user continuously striking the instrument modules on the instrument board based on the music score is consistent with the correct music (audio arrangement sequence) corresponding to the music score can be determined, and whether the user strikes the instrument modules on the instrument board based on the audio trigger device correctly can be determined.
In some possible embodiments, when it is determined that the audio trigger strikes the instrument module on the instrument board based on the first response signal fed back by the audio trigger, the attribute information of the audio trigger may be determined based on the first response signal. When determining the audio corresponding to each instrument module on the instrument board based on the second response signal fed back by the instrument board, the attribute information of the instrument board may be determined based on the second response signal. When the striking order of instruments in the score is determined based on the third response signal fed back from the score, the attribute information of the score may be determined based on the third response signal. The attribute information includes, but is not limited to, information such as color, shape, size, and the like, and may be determined according to an actual application scenario, which is not limited herein.
In the embodiment of the invention, the musical instrument module which is hit on the musical instrument plate by the audio triggering device is identified, the audio corresponding to the musical instrument module can be output, and when a user continuously hits a plurality of musical instrument modules on the musical instrument plate, whether the hitting process of the user is correct or not can be determined based on the content of the music score, so that guidance is provided for the user, and the user experience is improved. Secondly, because the musical instrument board, the audio trigger and the music score only contain the electronic tags, the construction cost of the musical instrument board, the audio trigger and the music score can be reduced. Moreover, the method can provide prompting information such as lamplight for the user when the audio is output, and is high in applicability.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an audio output device according to an embodiment of the present invention; the audio output device provided by the embodiment of the invention comprises an antenna array, wherein the antenna array comprises a plurality of antenna units, each antenna unit sends and receives signals based on an inductive coupling mode, and the audio output device also comprises:
an object scanning signal sending module 31, configured to send a first object scanning signal based on antenna units in the antenna array, where the first object scanning signal is used to identify an audio trigger device that is hit on a musical instrument board, a signal scanning period of the antenna array includes a plurality of time intervals, and one of the plurality of antenna units sends a radio frequency signal as the first object scanning signal at one of the time intervals, and the audio trigger device is located on the audio output platform;
an antenna unit determining module 32, configured to receive a first response signal of the first object scanning signal based on the antenna array, and determine a target antenna unit that receives the first response signal, where the first response signal is a signal fed back by an electronic tag in the audio trigger device after receiving the first object scanning signal;
and an audio determining module 33, configured to determine, according to the position of the target antenna unit on the antenna array, a target instrument module hit on the instrument board by the audio triggering device, and output an audio corresponding to the target instrument module, where the instrument board includes a plurality of instrument modules.
In some possible embodiments, the object scanning signal sending module is further configured to
Transmitting a second object scanning signal based on the antenna elements in the antenna array;
the apparatus further comprises a signal receiving module 34;
the signal receiving module 34 is further configured to receive a second response signal of the second object scanning signal based on the antenna array, where the second response is a signal fed back by the electronic tag in the musical instrument board after receiving the second object scanning signal;
the audio determining module 33 is further configured to determine, based on the tag identifier of the electronic tag of the musical instrument board carried in the second response signal, an audio corresponding to the musical instrument module on the musical instrument board;
the arrangement position of each instrument module on the instrument board corresponds to the arrangement position of the plurality of antenna units in the antenna array, and the arrangement position of one instrument module in the instrument board corresponds to the arrangement position of one antenna unit in the antenna array.
In some possible embodiments, the antenna unit determination module 32 is configured to:
determining a target arrangement position of the target antenna unit in the antenna array;
the audio determining module 33 is configured to:
and determining the instrument module with the arrangement position consistent with the target arrangement position in the instrument board, and determining the instrument module with the arrangement position consistent with the target arrangement position as the target instrument module hit on the instrument board by the audio triggering device.
In some possible embodiments, the object scanning signal sending module 31 is further configured to:
transmitting a third object scanning signal based on the antenna units in the antenna array;
the signal receiving module 34 is further configured to receive a third response signal of the third object scanning signal based on the antenna array, where the third response is a signal fed back by an electronic tag in the music score after receiving the third object scanning signal;
the audio determining module 33 is further configured to determine a striking sequence of each instrument in the musical score based on the tag identifier of the electronic tag in the musical score carried in the third response signal, and show the striking sequence to a user so that the user strikes the instrument module corresponding to each instrument in the instrument board based on the audio triggering device according to the striking sequence.
In some possible embodiments, the audio determining module 33 is further configured to:
when the user strikes the instrument modules in the instrument board according to the striking sequence based on the audio trigger device, determining striking sequence serial numbers of the target instrument modules, and determining the target instruments corresponding to the striking sequence serial numbers from the music score;
the above-mentioned device still includes:
and an audio matching module 35, configured to determine whether the audio matches the target instrument.
In some possible embodiments, the apparatus further includes an attribute information determination module 36, where the attribute information determination module 36 is configured to:
determining attribute information of the audio trigger device based on the first response signal;
and/or determining attribute information of the musical instrument board based on the second response signal;
and/or determining attribute information of the score based on the third response signal.
In some possible embodiments, the antenna unit determination module further includes:
a sequence determining unit 321, further configured to determine a working sequence of each antenna unit in the antenna array according to a time interval sequence of the antenna units in the antenna array for sending radio frequency signals, where one antenna unit corresponds to one working sequence number;
a duration determining unit 322, further configured to determine a starting time node of the signal scanning period and a first duration of a time interval of the signal scanning period;
a data processing unit 323 further configured to:
determining a second time length between a receiving time node of the first response signal and the starting time node, and determining the time interval number between the first time length and the second time length;
and determining the antenna unit with the working sequence number matched with the time interval number from the antenna units as a target antenna unit for receiving the first response signal.
In a specific implementation, the apparatus may execute the implementation manner provided in each step in fig. 1 to fig. 6 through each built-in module and/or unit thereof, which is not described herein again.
In the embodiment of the invention, the musical instrument module which is hit on the musical instrument plate by the audio triggering device is identified, the audio corresponding to the musical instrument module can be output, and when a user continuously hits a plurality of musical instrument modules on the musical instrument plate, whether the hitting process of the user is correct or not can be determined based on the content of the music score, so that guidance is provided for the user, and the user experience is improved. Secondly, because the musical instrument board, the audio trigger and the music score only contain the electronic tags, the construction cost of the musical instrument board, the audio trigger and the music score can be reduced. Moreover, the method can provide prompting information such as lamplight for the user when the audio is output, and is high in applicability.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an apparatus provided in an embodiment of the present invention. As shown in fig. 8, the apparatus in this embodiment may include: one or more control components 401 and an antenna array 403. The control unit 401 and the antenna array 403 are connected by a bus 402. The antenna array 403 includes a plurality of antenna elements, each of which transmits and receives signals based on inductive coupling. Specifically, each antenna unit may include an inductance coil, and optionally, each antenna unit may further include a capacitor or the like, so that the antenna unit has an inductively coupled component. The control module 401 controls the operation of the antenna array 403, and is further configured to perform the following operations:
transmitting a first object scanning signal based on antenna units in the antenna array, wherein the first object scanning signal is used for identifying an audio trigger device hitting on a musical instrument board, a signal scanning period of the antenna array comprises a plurality of time intervals, and one time interval is used for transmitting a radio frequency signal by one antenna unit in the plurality of antenna units as the first object scanning signal;
receiving a first response signal of the first object scanning signal based on the antenna array, and determining a target antenna unit receiving the first response signal, where the first response signal is a signal fed back by an electronic tag in the audio trigger device after receiving the first object scanning signal;
and determining a target instrument module hit on the instrument board by the audio triggering device according to the position of the target antenna unit on the antenna array, and outputting an audio corresponding to the target instrument module.
In some possible embodiments, the control assembly 401 is further configured to:
transmitting a second object scanning signal based on the antenna elements in the antenna array;
receiving a second response signal of the second object scanning signal based on the antenna array, wherein the second response is a signal fed back after the electronic tag in the musical instrument board receives the second object scanning signal;
determining the audio corresponding to the musical instrument module on the musical instrument board based on the tag identification of the electronic tag of the musical instrument board carried in the second response signal;
the arrangement position of each instrument module on the instrument board corresponds to the arrangement position of the plurality of antenna units in the antenna array, and the arrangement position of one instrument module in the instrument board corresponds to the arrangement position of one antenna unit in the antenna array.
In some possible embodiments, the control assembly 401 is configured to:
determining a target arrangement position of the target antenna unit in the antenna array;
and determining the instrument module with the arrangement position consistent with the target arrangement position in the instrument board, and determining the instrument module with the arrangement position consistent with the target arrangement position as the target instrument module hit on the instrument board by the audio triggering device.
In some possible embodiments, the control assembly 401 is further configured to:
transmitting a third object scanning signal based on the antenna units in the antenna array;
receiving a third response signal of the third object scanning signal based on the antenna array, wherein the third response is a signal fed back by an electronic tag in the music score after receiving the third object scanning signal;
and determining the striking sequence of each instrument in the music score based on the tag identification of the electronic tag in the music score carried in the third response signal, and displaying the striking sequence to a user so that the user strikes the instrument module corresponding to each instrument in the instrument board based on the audio trigger device according to the striking sequence.
In some possible embodiments, the control assembly 401 is further configured to:
when the user strikes the instrument modules in the instrument board according to the striking sequence based on the audio trigger device, determining striking sequence serial numbers of the target instrument modules, and determining the target instruments corresponding to the striking sequence serial numbers from the music score;
after the outputting the audio corresponding to the target musical instrument module, the method further includes:
determining whether the audio matches the target instrument.
In some possible embodiments, the control assembly 401 is further configured to:
determining attribute information of the audio trigger device based on the first response signal;
and/or determining attribute information of the musical instrument board based on the second response signal;
and/or determining attribute information of the score based on the third response signal.
In some possible embodiments, the control assembly 401 is configured to:
determining the working sequence of each antenna unit in the antenna array according to the time interval sequence of each antenna unit in the antenna array for sending radio frequency signals, wherein one antenna unit corresponds to one working sequence number;
determining a starting time node of the signal scanning period and a first duration of a time interval of the signal scanning period;
determining a second time length between a receiving time node of the first response signal and the starting time node, and determining the time interval number between the first time length and the second time length;
and determining the antenna unit with the working sequence number matched with the time interval number from the antenna units as a target antenna unit for receiving the first response signal.
It should be understood that, in some possible embodiments, the control component 401 may include a Central Processing Unit (CPU), and may also include other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), field-programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and so on. A general purpose processor may be a microprocessor or the processor may include any conventional processor or the like.
The control component 401 may also include memory, which may include read only memory and random access memory. The portion of memory may also include non-volatile random access memory. For example, the memory may also store device type information.
It should be understood that the control module 401 may further include a reading head capable of reading and recognizing the contents such as tag identification (e.g. electronic code) and attribute information in the electronic tag, further, the device may further include components such as a reader/writer capable of rewriting the contents in the electronic tag, a matrix switch for controlling the operation of the antenna array 403, and a memory for storing program instructions. The reading head and the reader-writer may be independent components, or the reading head and the reader-writer may be integrated in one functional device, and the embodiment of the present invention is not limited to the specific relationship between the reading head and the reader-writer in the control component 401.
In the embodiment of the invention, the musical instrument module which is hit on the musical instrument plate by the audio triggering device is identified, the audio corresponding to the musical instrument module can be output, and when a user continuously hits a plurality of musical instrument modules on the musical instrument plate, whether the hitting process of the user is correct or not can be determined based on the content of the music score, so that guidance is provided for the user, and the user experience is improved. Secondly, because the musical instrument board, the audio trigger and the music score only contain the electronic tags, the construction cost of the musical instrument board, the audio trigger and the music score can be reduced. Moreover, the audio-frequency prompt device can provide prompt information such as light for a user during audio output, and is high in applicability.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and is executed by a processor to implement the method provided in each step in fig. 1 to fig. 6, which may specifically refer to the implementation manner provided in each step, and is not described herein again.
The computer readable storage medium may be the task processing device provided in any of the foregoing embodiments or an internal storage unit of the foregoing device, such as a hard disk or a memory of an electronic device. The computer readable storage medium may also be an external storage device of the electronic device, such as a plug-in hard disk, a Smart Memory Card (SMC), a Secure Digital (SD) card, a flash card (flash card), and the like, which are provided on the electronic device. The computer readable storage medium may further include a magnetic disk, an optical disk, a read-only memory (ROM), a Random Access Memory (RAM), and the like. Further, the computer readable storage medium may also include both an internal storage unit and an external storage device of the electronic device. The computer-readable storage medium is used for storing the computer program and other programs and data required by the electronic device. The computer readable storage medium may also be used to temporarily store data that has been output or is to be output.
The terms "first", "second", and the like in the claims, in the description and in the drawings of the present invention are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments. The term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. The audio output method is applied to an audio output platform, the audio output platform comprises an antenna array, the antenna array comprises a plurality of antenna units, and each antenna unit transmits and receives signals based on an inductive coupling mode;
the method comprises the following steps:
sending a first object scanning signal based on antenna units in the antenna array, wherein the first object scanning signal is used for identifying an audio trigger device hitting on a musical instrument board, a signal scanning period of the antenna array comprises a plurality of time intervals, one antenna unit in the plurality of antenna units sends a radio frequency signal as the first object scanning signal in one time interval, and the audio trigger device is located on the audio output platform;
receiving a first response signal of the first object scanning signal based on the antenna array, and determining a target antenna unit for receiving the first response signal, where the first response signal is a signal fed back by an electronic tag in the audio trigger device after receiving the first object scanning signal;
and determining a target instrument module hit on the instrument board by the audio triggering device according to the position of the target antenna unit on the antenna array, and outputting audio corresponding to the target instrument module, wherein the instrument board comprises a plurality of instrument modules.
2. The method of claim 1, wherein before the transmitting the first object scanning signal based on the antenna elements in the antenna array, the method further comprises:
transmitting a second object scanning signal based on antenna elements in the antenna array;
receiving a second response signal of the second object scanning signal based on the antenna array, wherein the second response is a signal fed back after the electronic tag in the musical instrument board receives the second object scanning signal;
determining the audio corresponding to the musical instrument module on the musical instrument board based on the tag identification of the electronic tag of the musical instrument board carried in the second response signal;
the arrangement position of each instrument module on the instrument board corresponds to the arrangement position of the plurality of antenna units in the antenna array, and the arrangement position of one instrument module in the instrument board corresponds to the arrangement position of one antenna unit in the antenna array.
3. The method of claim 2, wherein said determining a target instrument module that said audio trigger device strikes on said instrument panel based on the position of said target antenna element on said antenna array comprises:
determining a target arrangement position of the target antenna unit in the antenna array;
and determining the instrument modules with the arrangement positions consistent with the target arrangement positions in the instrument board, and determining the instrument modules with the arrangement positions consistent with the target arrangement positions as the target instrument modules which are hit on the instrument board by the audio triggering device.
4. The method of claim 1, further comprising:
transmitting a third object scanning signal based on antenna elements in the antenna array;
receiving a third response signal of the third object scanning signal based on the antenna array, wherein the third response is a signal fed back by an electronic tag in the music score after receiving the third object scanning signal;
and determining the striking sequence of each instrument in the music score based on the tag identification of the electronic tag in the music score carried in the third response signal, and displaying the striking sequence to a user so that the user strikes the instrument module corresponding to each instrument in the instrument board based on the audio trigger device according to the striking sequence.
5. The method of claim 4, further comprising:
when the user strikes the musical instrument modules in the musical instrument board according to the striking sequence based on the audio triggering device, determining striking sequence serial numbers of the target musical instrument modules, and determining the target musical instruments corresponding to the striking sequence serial numbers from the musical score;
after the outputting of the audio corresponding to the target instrument module, the method further includes:
determining whether the audio matches the target instrument.
6. The method of claim 1, further comprising:
determining attribute information of the audio trigger device based on the first response signal.
7. The method of claim 1, wherein determining the target antenna unit to receive the first response signal comprises:
determining the working sequence of each antenna unit in the antenna array according to the time interval sequence of each antenna unit in the antenna array for sending radio frequency signals, wherein one antenna unit corresponds to one working sequence number;
determining a starting time node of the signal scanning period and a first duration of a time interval of the signal scanning period;
determining a second time length between a receiving time node of the first response signal and the starting time node, and determining the time interval number between the first time length and the second time length;
and determining the antenna unit with the working sequence number matched with the time interval number from the antenna units as a target antenna unit for receiving the first response signal.
8. An audio output apparatus, comprising an antenna array, wherein the antenna array includes a plurality of antenna units, and each antenna unit transmits and receives signals based on an inductive coupling manner, the apparatus further comprising:
an object scanning signal sending module, configured to send a first object scanning signal based on antenna units in the antenna array, where the first object scanning signal is used to identify an audio trigger device that is hit on a musical instrument board, a signal scanning period of the antenna array includes multiple time intervals, and in one time interval, one antenna unit in the multiple antenna units sends a radio frequency signal as the first object scanning signal, and the audio trigger device is located on the audio output platform;
an antenna unit determining module, configured to receive, based on the antenna array, a first response signal of the first object scanning signal, and determine a target antenna unit that receives the first response signal, where the first response signal is a signal fed back by an electronic tag in the audio trigger device after receiving the first object scanning signal;
and the audio determining module is used for determining a target instrument module hit on the instrument board by the audio triggering device according to the position of the target antenna unit on the antenna array and outputting audio corresponding to the target instrument module, wherein the instrument board comprises a plurality of instrument modules.
9. The device is characterized by comprising an antenna array and a control component, wherein the antenna array is connected with the control component, the antenna array comprises a plurality of antenna units, and each antenna unit transmits and receives signals based on an inductive coupling mode;
the control component is configured to control the operation of the antenna array, and the control component is further configured to perform the method according to any one of claims 1-7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program comprising program instructions that, when executed by a processor, cause the processor to carry out the method according to any one of claims 1-7.
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