JP5552822B2 - Wireless communication system, master station, slave station and console - Google Patents

Description

  The present invention relates to a wireless communication system, a master station, a slave station, and a console.

  Conventionally, in a wireless communication system in which a slave station outputs audio data (hereinafter also referred to as “broadcast message”) transmitted by a radio signal from the master station, the slave station needs to repeatedly output a specific phrase of the audio data. May occur. In particular, when the wireless communication system as described above is applied to a system requiring high urgency, it is necessary to make sure that the person who listens to the sound emitted from the slave station understands the intention of the broadcast content instantly. Therefore, it is highly necessary for the slave station to repeatedly output a specific phrase of the audio data.

  As a system requiring high urgency, for example, a system used for disaster prevention purposes is assumed. In a system used for disaster prevention, for example, “This is a publicity XX. A heavy rain flood warning has just been issued. A heavy rain flood warning has just been issued. Please be cautious.” Audio data is output. In this case, the specific phrase “A heavy rain flood warning has just been issued” has been repeatedly output.

  In order to repeatedly output a specific phrase to the slave station, in most cases, the operator repeatedly inputs the specific phrase via the microphone, and the master station needs to transmit the specific phrase repeatedly input to the slave station. was there. Alternatively, it is necessary for the master station to record the contents input by the operator in a memory (hereinafter also referred to as “sound source memory”), and to read out the contents input from the sound source memory and transmit them to the slave station as necessary. there were. However, with such a technique, an operator must repeatedly input a specific phrase via a microphone, which is troublesome.

  In some cases, the slave station repeatedly reproduces the audio data transmitted from the master station. However, in such a technique, since the slave station repeatedly reproduces and outputs the part other than the specific phrase in the audio data transmitted from the master station, the slave station can listen to the sound emitted from the slave station. Cannot instantly understand the intent of the broadcast content.

  In addition, a technique related to a master station that transmits the broadcast content that is input to a slave station and records it in a memory while the operator inputs the broadcast content via a microphone is disclosed (see, for example, Patent Documents) ). In this technology, when the master station detects that the broadcast content has been entered by the operator, the master station sends a pre-recorded standard message such as “I will re-broadcast” to the slave station. Transmit the recorded broadcast content to the slave station. The slave station can output the broadcast contents repeatedly with a fixed message interposed therebetween.

JP 2009-182484 A

  However, for example, according to the technique disclosed in Patent Document 1, there is a problem that all broadcast contents input by an operator via a microphone are repeatedly output by a slave station. That is, since the slave station cannot repeatedly output only a specific phrase in the broadcast content, the person who listens to the sound emitted from the slave station cannot instantly understand the intention of the broadcast content. There was a problem.

  Therefore, the present invention has been made in view of the above problems, and the object of the present invention is to make it possible for the slave station to operate even if the operator does not repeatedly input a specific portion of the audio data to the master station. An object of the present invention is to provide a technique capable of repeatedly outputting a specific portion of audio data.

  In order to solve the above problem, according to an aspect of the present invention, a voice input unit that sequentially receives voice data input, and input of operation information while the voice input unit sequentially receives voice data input. An operation input unit that is received, a detection unit that detects repeated information that should be output by repeatedly outputting audio data from the operation information, audio data that is input by the audio input unit, and repetition information that is detected by the detection unit A master station, a communication section that receives voice data and repetition information from the master station by radio signals, a voice output section that outputs voice data, It is received while the audio memory in which the audio data is recorded and the part before the repeated part indicated by the repeated information is received by the communication unit. The part is output sequentially from the audio output unit, and while the repetitive part is received, the received part is sequentially recorded in the audio memory, and the sound output unit sequentially outputs the part after the repetitive part. A recording control unit that sequentially records the received portion in the audio memory while the signal is received, and sequentially reads out the repeated portion and the portion following the repeated portion from the audio memory and outputs them from the audio output unit, There is provided a wireless communication system comprising a slave station.

  The repetition information may be configured by a combination of a time when a start signal indicating the start of the repetition portion is input and a time when an end signal indicating the end of the repetition portion is input.

  The start signal may be generated when the button is pressed by the operator, and the end signal may be generated when the button is released by the operator.

  According to another aspect of the present invention, a voice input unit that sequentially receives input of voice data, and an operation input unit that receives input of operation information while the input of voice data is sequentially received by the voice input unit; A detection unit for detecting repetitive information indicating a repetitive portion to be output by repeating the sound data from the operation information, and the sound data received by the sound input unit and the repetitive information detected by the detection unit by radio signals And a communication unit that transmits to the slave station.

  According to another aspect of the present invention, a communication unit that receives, by radio signals, audio data and repetitive information indicating a repetitive portion to be output by repeating audio data from the master station, and audio output for outputting audio data Unit, an audio memory in which audio data is recorded, and a portion before the repetitive portion indicated by the repetitive information is received by the communication unit, the received portions are sequentially output from the audio output unit, and the repetitive portion The received part is recorded in the voice memory sequentially and is output sequentially from the voice output unit while the part after the repeat part is received. Recording system that records sequentially in the memory and sequentially reads out the repeated part and the part following the repeated part from the audio memory and outputs them from the audio output unit Characterized in that it comprises a part, the slave station is provided.

  According to another aspect of the present invention, a voice input unit that sequentially receives input of voice data, and an operation input unit that receives input of operation information while the input of voice data is sequentially received by the voice input unit; A detection unit for detecting repetitive information indicating a repetitive portion to be output by repeating audio data from operation information, an audio memory for recording audio data, a communication unit for communicating with a slave station by radio signals, and audio input While the input of the part before the repetitive part indicated by the repetitive information is accepted by the part, the part of the accepted input is sequentially transmitted to the slave station via the communication part, and the input of the repetitive part is accepted While the input is being received, the portion of the input that has been accepted is recorded sequentially in the voice memory and transmitted sequentially to the slave station via the communication unit. While the input of the part after the minute is accepted, the communication part records the part in which the input is accepted sequentially in the voice memory and sequentially reads out the repeated part and the part following the repeated part from the voice memory. A recording control unit for transmitting to the slave station via a master station, a communication unit for receiving voice data from the parent station by a radio signal, and a voice output unit for outputting the voice data received by the communication unit; A wireless communication system comprising: a slave station.

  According to another aspect of the present invention, a voice input unit that sequentially receives input of voice data, and an operation input unit that receives input of operation information while the input of voice data is sequentially received by the voice input unit; A detection unit for detecting repetitive information indicating a repetitive portion to be output by repeating audio data from operation information, an audio memory for recording audio data, a communication unit for communicating with a slave station by radio signals, and audio input While the input of the part before the repetitive part indicated by the repetitive information is accepted by the part, the part of the accepted input is sequentially transmitted to the slave station via the communication part, and the input of the repetitive part is accepted While the input is being received, the portion of the input that has been accepted is recorded sequentially in the voice memory and transmitted sequentially to the slave station via the communication unit. While the input of the part after the minute is accepted, the communication part records the part in which the input is accepted sequentially in the voice memory and sequentially reads out the repeated part and the part following the repeated part from the voice memory. And a recording control unit that transmits the data to the slave station via the master station.

  According to another aspect of the present invention, a sound source control unit that sequentially acquires audio data, an operation input unit that receives input of operation information while audio data input is sequentially received by the audio input unit, A detection unit for detecting repetition information indicating a repeated portion to be output by repeating audio data from operation information, an audio memory in which audio data is recorded, an operation output unit for sequentially outputting operation information to a master station, While the audio output unit that sequentially outputs the audio data to the station and the part before the repetition part indicated by the repetition information is acquired by the sound source control unit, the acquired part is transmitted to the master station via the audio output unit. Output sequentially, while the repeated part is acquired, sequentially record the acquired part in the audio memory and sequentially output to the master station via the audio output unit, While the part after the repeat part is acquired, the acquired part is recorded in the voice memory sequentially and the repeated part and the part following the repeated part are sequentially read out from the voice memory to A recording control unit that outputs to the master station via a console, a voice input unit that receives input of voice data from the console, and a voice signal that is input by the voice input unit via a radio signal A slave station, a master station, a communication unit that receives voice data from the master station by a radio signal, and a voice output unit that outputs voice data received by the communication unit. A wireless communication system is provided.

  According to another aspect of the present invention, a sound source control unit that sequentially acquires audio data, an operation input unit that receives input of operation information while audio data input is sequentially received by the audio input unit, A detection unit for detecting repetition information indicating a repeated portion to be output by repeating audio data from operation information, an audio memory in which audio data is recorded, an operation output unit for sequentially outputting operation information to a master station, While the audio output unit that sequentially outputs the audio data to the station and the part before the repetition part indicated by the repetition information is acquired by the sound source control unit, the acquired part is transmitted to the master station via the audio output unit. Output sequentially, while the repeated part is acquired, sequentially record the acquired part in the audio memory and sequentially output to the master station via the audio output unit, While the part after the repeat part is acquired, the acquired part is recorded in the voice memory sequentially and the repeated part and the part following the repeated part are sequentially read out from the voice memory to And a recording control unit for outputting to the master station.

  As described above, according to the present invention, even if the operator does not repeatedly input a specific part of the audio data to the master station, the slave station can repeatedly output a specific part of the audio data. It becomes possible.

It is a figure which shows the structure of the radio | wireless communications system which concerns on embodiment of this invention. It is a figure which shows the function structure of the console concerning the embodiment. It is a figure which shows the function structure of the main | base station which concerns on the same embodiment. It is a figure which shows the function structure of the sub_station | mobile_unit which concerns on the same embodiment. It is a figure which shows an example of the change by the time of the audio | voice data output by each station of the main | base station which concerns on the embodiment, and the detection signal detected by each station. It is a figure which shows an example of the change by the time of the audio | voice data recorded on the audio | voice memory of the sub_station | mobile_unit concerning the embodiment. It is a figure for comparing the occupation time of the master station which concerns on a prior art, and the master station which concerns on embodiment of this invention. It is a figure for demonstrating the modification by which the repetition part of audio | voice data is expand | deployed by the console concerning the embodiment.

  Exemplary embodiments of the present invention will be described below in detail with reference to the accompanying drawings. In addition, in this specification and drawing, about the component which has the substantially same function structure, duplication description is abbreviate | omitted by attaching | subjecting the same code | symbol.

[Description of configuration]
FIG. 1 is a diagram showing a configuration of a wireless communication system according to an embodiment of the present invention. With reference to FIG. 1, the structure of the radio | wireless communications system which concerns on embodiment of this invention is demonstrated. As shown in FIG. 1, a wireless communication system 10 according to an embodiment of the present invention includes a console 110 used by an operator, and a master station 120 that transmits voice data based on various information transmitted from the console 110. And the slave station 200 that outputs the voice data transmitted from the master station 120.

  The form of the system to which the wireless communication system 10 is applied is not particularly limited. As described above, for example, when the wireless communication system 10 is applied to a system that requires high urgency, This is particularly effective. As described above, a system requiring high urgency is assumed to be a system used for disaster prevention, for example. As a case where the radio communication system 10 is applied to a system used for disaster prevention, for example, the slave station 200 is installed in a local public hall or the like, and the master station 120 is installed in a disaster prevention section of a city hall. is assumed. In that case, the staff of the city hall becomes an operator, operates the console 110, inputs voice data, outputs the voice data to the slave station 200 via the master station 120, and protects the safety of the residents who gather in the public hall. It will be.

  The console 110 is used by an operator as described above, and has a configuration for the operator to sequentially input voice data. As a configuration for the operator to sequentially input voice data, for example, a microphone can be used. In this case, the operator can input the audio data sequentially through the microphone by reading the broadcast content. Further, the configuration for the operator to sequentially input the voice data is not limited to the microphone, and may be a sound source memory in which the voice data is recorded. For example, the operator can reproduce the audio data by performing an operation for reproducing the audio data recorded in the sound source memory, and can input the audio data.

  The console 110 further includes a configuration for an operator to input repetitive information indicating a repetitive portion to be output by repeating audio data. In the above example, the part “The heavy rain flood warning has just been issued” corresponds to the repeated part. Therefore, the operator repeats the information indicating the part “The heavy rain flood warning has just been issued.” Enter as. For example, an operator inputs voice data sequentially, inputs a start signal indicating the start of the repeat part when the start position of the repeat part is reached, and terminates the repeat part when the end position of the repeat part is reached. The end signal shown is input. Then, iterative information can be configured by a combination of the time when the start signal is input and the time when the end signal is input.

  Various configurations are possible for the operator to repeatedly input information. For example, a button or the like can be used. In this case, for example, the start signal described above may be generated when the button is pressed by the operator, and the end signal described above may be generated when the button is released by the operator. As a matter of course, a button for generating a start signal and a button for generating an end signal may be prepared separately. In that case, the operator may press the first button to generate the start signal and press the second button to generate the end signal. In addition, as a configuration for the operator to repeatedly input information, hardware other than buttons can be used.

  The master station 120 is connected to the console 110 and has a function of receiving voice data and repetition information transmitted by the console 110. The connection between the master station 120 and the console 110 is typically wired, but is not limited to wired, and may be wireless. The master station 120 transmits the audio data and the repetition information received from the console 110 to the slave station 200 by radio signals.

  The slave station 200 is connected to the master station 120 by radio, and can communicate with the master station 120 by radio signals. The slave station 200 particularly has a function of receiving the audio data and the repetition information transmitted from the master station 120 by radio signals. Further, the slave station 200 sequentially outputs the audio data, but repeatedly outputs the repetitive portion indicated by the repetitive information. The number of times that the repetitive portion is output by the slave station 200 is typically two times, but may be three times or more.

  FIG. 1 shows a case where the wireless communication system 10 includes slave stations 200 </ b> A to 200 </ b> C as examples of the slave station 200. However, the number of slave stations 200 included in the wireless communication system 10 is not particularly limited. In the example illustrated in FIG. 1, the slave station 200A and the slave station 200B directly receive the radio signal transmitted from the master station 120, and the slave station 200C receives the radio signal transmitted from the master station 120. And received via the relay station 300. As described above, the slave station 200 may directly receive the radio signal transmitted from the master station 120 or may indirectly receive the radio signal via the relay station 300 or the like.

  With this configuration, the slave station 200 can repeatedly output the repeated portion specified by the operator. As described above, typically, the slave station 200 performs a process of expanding and outputting the repeated portion of the audio data based on the repeat information, but the console 110 or the master station 120 is used instead of the slave station 200. May do. That is, the console 110 may repeat the repetitive portion and transmit the sound data obtained as a result of the repetition to the master station 120, and the master station 120 repeats the repeat portion and the sound data obtained as a result of the repetition. May be transmitted to the slave station 200. Note that in a system that is used for disaster prevention purposes and in which the slave station 200 performs processing for expanding and outputting the repeated portion of the audio data based on the repeated information, whether or not the repeated portion is expanded in the slave station 200 It is also possible to provide a function capable of selecting either. As a result, when one of the slave stations 200 is installed in a facility related to the government office, the repeated portion is expanded in the slave station 200 for general residents, and the repeated portion is not expanded in the facility of the government office. It is also possible to make it possible to grasp the broadcast contents within the minimum necessary time in the facility of the government office.

  FIG. 2 is a diagram showing a functional configuration of the console according to the embodiment of the present invention. With reference to FIG. 2, the functional configuration of the console according to the embodiment of the present invention will be described. As described above, the console 110 according to the embodiment of the present invention is used by an operator. As shown in FIG. 2, the console 110 includes an operation input unit 111, a microphone 112 and a sound source memory 116 as examples of a voice input unit, a control unit 113, an operation output unit 117, and a voice input request reception unit 118. And an audio output unit 119. Each block will be described.

  The operation input unit 111 has a function of receiving input of operation information from the operator while the input of audio data is sequentially received by the microphone 112 as an example of the audio input unit. As described above, the sound source memory 116 can be used as an example of the voice input unit. In this embodiment, both the microphone 112 and the sound source memory 116 are used. In such a case, the operator uses either the microphone 112 or the sound source memory 116 as a voice input unit. It is sufficient to be able to select either.

  The microphone 112 functions as an example of a voice input unit, and has a function of sequentially receiving voice data input. The microphone 112 sequentially receives input of the broadcast contents read by the operator as audio data input, and sequentially outputs the received audio data to the sound source control unit 115.

  The sound source memory 116 functions as an example of an audio input unit, and has a function as a recording medium for audio data. When the operator inputs an operation for reproducing the sound data recorded in the sound source memory 116, the sound data recorded in the sound source memory 116 is reproduced and acquired by the sound source control unit 115.

  The control unit 113 mainly includes an operation control unit 114 and a sound source control unit 115. The operation control unit 114 has a function of outputting the operation information output from the operation input unit 111 to the operation output unit 117. At that time, the operation control unit 114 selects operation information to be output to the master station 120 from among the operation information output from the operation input unit 111, and outputs the selected operation information to the operation output unit 117. Also good.

  As described above, the sound source control unit 115 has a function of sequentially acquiring sound data from the microphone 112 or the sound source memory 116 and sequentially outputting the acquired sound data to the sound output unit 119. The sound source control unit 115 may always acquire the sound data from the microphone 112 or the sound source memory 116 while the power is supplied to the console 110 from the power source. However, the sound source control unit 115 may acquire the sound data from the microphone 112 or the sound source memory 116 only during a predetermined period. It is good also as acquiring audio | voice data from. For example, in the present embodiment, the sound source control unit 115 acquires sound data from the microphone 112 or the sound source memory 116 when the sound input request reception unit 118 receives a sound input request from the master station 120. . In addition, the sound source control unit 115 receives the sound data from the microphone 112 or the sound source memory 116 only after the operation for starting the input of the sound data from the operator until the operation for ending the input of the sound data is performed. It is good also as acquiring.

  The control unit 113 includes, for example, a CPU (Central Processing Unit) and a RAM (Random Access Memory), and the CPU expands and executes a program stored in a storage unit (not shown) of the console 110 on the RAM. Thus, the function of the control unit 113 is realized. The control unit 113 can also be configured by dedicated hardware.

  The operation output unit 117 has a function of sequentially outputting operation information to the master station 120. The operation output unit 117 may output all of the operation information output from the operation input unit 111 to the master station 120, or may be selected by the operation control unit 114 from the operation information output from the operation input unit 111. Only the operated information may be output to the master station 120.

  The voice input request receiving unit 118 has a function of receiving a voice input request from the master station 120. The voice input request received by the voice input request receiving unit 118 is output to the sound source control unit 115. However, when the sound source control unit 115 starts acquiring audio data regardless of reception of the audio input request, the audio input request receiving unit 118 may not be particularly present. The voice input request will be described in detail in the explanation about the master station 120.

  The audio output unit 119 has a function of sequentially outputting audio data to the master station 120. The audio data output here is acquired by the sound source control unit 115. In the present embodiment, the operation information output by the operation output unit 117 and the audio data output by the audio output unit 119 are transmitted to the master station 120 via different lines. It is good also as transmitting to the master station 120 via this.

  As described above, the repetition information is not particularly limited as long as it is information for specifying a repetition portion. For example, the repetition information is configured by a combination of a time at which a start signal indicating the start of a repetition portion is input and a time at which an end signal indicating the end of the repetition portion is input. In this case, for example, the start signal is generated when the button is pressed by the operator, and the end signal is generated when the button is released by the operator.

  FIG. 3 is a diagram showing a functional configuration of the master station according to the embodiment of the present invention. With reference to FIG. 3, the functional configuration of the master station according to the embodiment of the present invention will be described. As described above, the master station 120 according to the embodiment of the present invention transmits voice data and repetition information to the slave station 200. As shown in FIG. 3, the master station 120 includes an operation input unit 121, a voice input request transmission unit 122, a voice input unit 123, a control unit 124, a signal processing unit 125, a voice control unit 126, a wireless A processing unit 127, an antenna 128, and a detection unit 401 are provided. Each block will be described.

  The operation input unit 121 has a function of receiving input of operation information from the console 110 while input of audio data is sequentially received by the audio input unit 123. As described above, in this embodiment, the operation information and audio data are input from the console 110 via different lines, but are input from the console 110 via the same line. You can also The operation information accepted by the operation input unit 121 is output to the detection unit 401.

  The voice input request transmission unit 122 has a function of transmitting a voice input request to the console 110. However, as described above, when the console 110 starts acquiring voice data regardless of the transmission of the voice input request, the voice input request transmission unit 122 may not particularly exist. The voice input request transmitted by the voice input request transmission unit 122 is generated by the signal processing unit 125.

  The voice input unit 123 has a function of sequentially receiving voice data input from the console 110. The voice input unit 123 sequentially outputs the voice data received as input to the voice control unit 126. As described above, in this embodiment, the operation information and audio data are input from the console 110 via different lines, but are input from the console 110 via the same line. You can also

  The control unit 124 mainly includes a signal processing unit 125, an audio control unit 126, and a detection unit 401. The signal processing unit 125 has a function of executing processing from generation of a call signal for starting the slave station 200 to transmission of a voice input request to the console 110 via the voice input request transmission unit 122. That is, when the signal processing unit 125 generates a calling signal for activating the slave station 200, the signal processor 125 transmits the call signal to the slave station 200 via the antenna 128, and starts broadcasting to the slave station 200 that has been activated. After the sequence is established, the voice input request transmitting unit 122 is caused to transmit a voice input request to the console 110.

  The voice control unit 126 has a function of appropriately performing a process of removing noise on the voice data sequentially input by the voice input unit 123. If the operation console 110 is installed in a quiet place or the like and processing for removing noise from the audio data is unnecessary, the audio control unit 126 may not be particularly present. The audio data processed by the audio control unit 126 is output to the detection unit 401.

  The detection unit 401 has a function of detecting repetitive information indicating a repetitive portion to be output by repeating sound data from the operation information received by the operation input unit 121. As described above, the repetition information is configured by a combination of the time when the start signal indicating the start of the repetition portion is input and the time when the end signal indicating the end of the repetition portion is input. For example, the detection unit 401 can add start data indicating the start of a repetitive portion to the audio data whose input is received by the audio input unit 123 at the time when the start signal is input. Similarly, end data indicating the end of the repetitive portion can be added to the sound data received by the sound input unit 123 at the time when the end signal is input. The detection unit 401 can express the repetitive information by the combination of the start data and the end data added in this way.

  When the audio data transmitted from the master station 120 to the slave station 200 is configured in units of frames or packets, for example, the detection unit 401 is input by the audio input unit 123 at the time when the start signal is input. Start data can be added to the accepted frame or packet. Similarly, the detection unit 401 can add end data to a frame or packet whose input is received by the voice input unit 123 at the time when the end signal is input. The start data and the end data are different values. For example, “1” can be used as the start data and “0” can be used as the end data, but each value is not particularly limited. .

  The area to which start data and end data are added in a frame or packet may be any area. For example, in the digital disaster prevention administrative radio standard ARIB-STD-T86, an area for describing such start data and end data is not provided in the frame. Therefore, for example, start data and end data can be described in an area provided for setting a spare bit in a frame. The repetition information transmission method described above is merely an example, and the repetition information transmission method is not particularly limited. That is, the repetitive information may be any information as long as it is information for specifying a repetitive portion of audio data.

  The control unit 124 is constituted by, for example, a CPU and a RAM, and the function of the control unit 124 is realized by the CPU expanding and executing a program stored in a storage unit (not shown) of the master station 120 on the RAM. . In addition, the control unit 124 can be configured by dedicated hardware.

  The wireless processing unit 127 has a function of modulating the signal output from the control unit 124 into a signal for transmission to the slave station 200 and outputting the signal to the antenna 128. The wireless processing unit 127 has a function of demodulating a signal output from the antenna 128 into a signal to be processed by the control unit 124 and outputting the demodulated signal to the control unit 124.

  The antenna 128 has a function of transmitting the audio data received by the audio input unit 123 and the repetitive information detected by the detection unit 401 to the slave station 200 by radio signals. As described above, the repetitive information is expressed by adding start data and end data to audio data, for example. The antenna 128 functions as an example of a communication unit.

  FIG. 4 is a diagram showing a functional configuration of the slave station according to the embodiment of the present invention. With reference to FIG. 4, the functional configuration of the slave station according to the embodiment of the present invention will be described. As described above, the slave station 200 according to the embodiment of the present invention receives the audio data and the repetition information from the master station 120, and repeats the repeated portion based on the repetition information to output the audio data. As shown in FIG. 4, the slave station 200 includes an antenna 201, a wireless processing unit 202, a control unit 203, an audio memory 403, and a speaker 206. Each block will be described.

  The antenna 201 has a function of receiving voice data and repetition information transmitted from the master station 120 by radio signals. As described above, the repetitive information is expressed by adding start data and end data to audio data, for example. The antenna 201 functions as an example of a communication unit.

  The wireless processing unit 202 has a function of modulating the signal output from the control unit 203 into a signal to be transmitted to the master station 120 and outputting the signal to the antenna 201. The wireless processing unit 202 has a function of demodulating a signal output from the antenna 201 into a signal to be processed by the control unit 203 and outputting the demodulated signal to the control unit 203.

  The control unit 203 mainly includes a signal processing unit 204, a recording control unit 402, and an audio control unit 205. When the signal processing unit 204 receives a call signal for starting up its own station via the antenna 201, the signal processing unit 204 starts up its own station, and after the startup is completed, The sequence for starting broadcasting is established.

  The recording control unit 402 has a function of sequentially outputting the received portion from the speaker 206 while the antenna 201 receives the portion before the repetitive portion of the audio data. Further, the recording control unit 402 has a function of sequentially recording the received portions in the sound memory 403 and outputting them sequentially from the speaker 206 while the repetitive portion of the sound data is received by the antenna 201. Further, the recording control unit 402 sequentially records the received portion in the audio memory 403 while the portion after the repetitive portion of the audio data is received by the antenna 201 and the repetitive portion and the corresponding portion from the audio memory 403. It has a function of sequentially reading out the portion following the repeated portion and outputting it from the speaker 206. The functions of the recording control unit 402 will be described in more detail with reference to FIG.

  The voice control unit 205 has a function of appropriately performing a process of removing noise on the voice data sequentially received by the recording control unit 402. The voice control unit 205 may not be particularly present when a process for removing noise from the voice data is not necessary, such as when the state of wireless communication between the master station 120 and the slave station 200 is good. The audio data processed by the audio control unit 205 is output to the speaker 206.

  The control unit 203 is constituted by, for example, a CPU and a RAM, and the function of the control unit 203 is realized by the CPU expanding and executing a program stored in a storage unit (not shown) of the slave station 200 on the RAM. . In addition, the control unit 203 can be configured by dedicated hardware.

  The speaker 206 has a function of outputting audio data. The speaker 206 functions as an example of an audio output unit.

  FIG. 5 is a diagram illustrating an example of a change with time of audio data output by each station of the master station and the slave station and a detection signal detected by each station according to the embodiment of the present invention. FIG. 6 is a diagram illustrating an example of a change over time of audio data recorded in the audio memory of the slave station according to the embodiment of the present invention. With reference to FIG. 5 and FIG. 6, the audio data output by each station of the master station and the slave station according to the embodiment of the present invention, the detection signal detected by each station, and the audio data recorded in the audio memory of the slave station The change with time will be described.

  As shown in FIG. 5, audio data a, audio data b, and audio data c are sequentially transmitted from the master station 120 to the slave station 200, and repeat information indicating a repetitive portion (audio data b) is received from the master station 120. To the slave station 200. Since it takes time for the voice data transmitted from the master station 120 to reach the slave station 200, the time when the slave station 200 outputs the voice data is slightly later than the time when the master station 120 outputs the voice data. It has become. The master station 120 outputs the voice data b once, but the slave station 200 repeatedly outputs the voice data b based on the repetition information.

  The detection signal shown in FIG. 5 is a signal generated until the button is released when the button is pressed by the operator. That is, it is switched from OFF to ON only while the button is pressed by the operator. In the example described above, the time at which the detection signal switches from OFF to ON corresponds to the start time of the repeated portion, and the time at which the detection signal switches from ON to OFF corresponds to the end time of the repeated portion. The slave station 200 detects the switching of the detection signal from OFF to ON based on the start data added to the audio data, and detects the switching of the detection signal from ON to OFF based on the end data when added to the audio data. An example of this is as already described. Also here, it takes time for the detection signal transmitted from the master station 120 to reach the slave station 200.

  The audio data recorded in the audio memory 403 of the slave station 200 is shown in FIG. 6 corresponding to the times T1 to T9 shown in FIG. As shown in FIG. 6, at time T1, the slave station 200 sequentially outputs the voice data a received from the master station 120 without recording it in the voice memory 403a. This is because the audio data a received from the master station 120 corresponds to a portion before the repeated portion (audio data b). Similarly to the slave station 200 at the time T1, the slave station 200 at the time T2 sequentially outputs the voice data a received from the master station 120 without being recorded in the voice memory 403b, and the slave station 200 at the time T3 is also output at the time T1. Similarly to the slave station 200, the audio data a received from the master station 120 is sequentially output without being recorded in the audio memory 403c.

  At time T4, the slave station 200 sequentially records the audio data b received from the master station 120 in the audio memory 403d and sequentially outputs it. This is because the audio data b received from the master station 120 corresponds to a repeated portion (audio data b). Similarly to the slave station 200 at time T4, the slave station 200 at time T5 sequentially records the voice data b received from the master station 120 in the voice memory 403e and sequentially outputs it.

  After time T5, the slave station 200 receives the audio data c from the master station 120. That is, at time T6, the slave station 200 sequentially records the audio data c received from the master station 120 in the audio memory 403f, and sequentially reads out and outputs the repeated portion (audio data b) from the audio memory 403f. This is because the audio data c received from the master station 120 corresponds to a portion after the repeated portion (audio data b). Similarly to the slave station 200 at time T6, the slave station 200 at time T7 sequentially records the voice data c received from the master station 120 in the voice memory 403g and sequentially repeats the portion (voice data b) from the voice memory 403g. Read out and output.

  Here, at time T7, the slave station 200 records the audio data c in the audio memory 403g so as to overwrite the already recorded audio data b. Since the recording area of the audio memory 403 is finite, the slave station 200 can efficiently use the audio memory 403 having a limited recording area by using the audio memory 403 as a ring buffer. it can.

  At time T8, no audio data is received from the master station 120, and the audio data c is sequentially read from the audio memory 403h and output. Similarly to the slave station 200 at time T8, the slave station 200 at time T9 sequentially reads out and outputs the voice data c from the voice memory 403i.

[Description of effects]
According to the embodiment of the present invention, even if the operator does not repeatedly input a specific portion of the audio data to the master station 120, the slave station 200 can repeatedly output a specific portion of the audio data. It becomes possible. Of course, when the operator reads out the broadcast content and inputs the audio data, it is not necessary to read out the repeated portion a plurality of times, so that it is possible to prevent erroneous broadcasts due to misreading. Further, when recording audio data in the sound source memory 116, it is possible to save the trouble of recording the repeated portion a plurality of times. Furthermore, the amount of audio data recorded in the sound source memory 116 can be reduced.

  FIG. 7 is a diagram for comparing the occupation times of the master station according to the prior art and the master station according to the embodiment of the present invention. Referring to FIG. 7, the occupied times of the master station according to the conventional technique and the master station according to the embodiment of the present invention are compared.

  As shown in FIG. 7, the master station 120 according to the related art needs to transmit the audio data b to the slave station 200 twice. However, since the master station 120 according to the embodiment of the present invention only needs to transmit the voice data b to the slave station 200 once, the master station 120 occupies the occupied time of the master station 120 only for the time required to transmit the voice data b once. Can be reduced. As a result, the master station 120 according to the embodiment of the present invention can complete the transmission of audio data to the slave station 200 earlier than the conventional master station, and can proceed to the next processing.

[Modification]
In the above, the preferred embodiments of the present invention have been described with reference to the accompanying drawings, but it goes without saying that the present invention is not limited to such examples. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  For example, in the above-described embodiment, the slave station 200 expands the repeated portion of the audio data based on the repeated information. However, instead of the slave station 200, the console 110 or the master station 120 may expand the repeated portion of the audio data based on the repeated information.

  For example, when the master station 120 develops a repetitive portion of audio data, the antenna 128 of the master station 120 has a function of communicating with the slave station 200 by radio signals, and the master station 120 communicates with the recording control unit 402 and voice. A memory 403 is further provided. In that case, the recording control unit 402 of the master station 120 uses the antenna 128 for the portion of the input received while the input of the portion before the repeated portion indicated by the repetition information is received by the audio input unit 123. Sequentially transmitted to the slave station 200. The recording control unit 402 of the master station 120 sequentially records the received portions in the audio memory 403 and the antenna 128 while the input of the repeated portion indicated by the repetition information is received by the audio input unit 123. Are sequentially transmitted to the slave station 200. Further, the recording control unit 402 of the master station 120 sequentially records the input accepted portion in the audio memory 403 while the audio input unit 123 accepts the input after the repeated portion indicated by the repeated information. At the same time, the repeated portion and the portion following the repeated portion are sequentially read out from the audio memory 403 and transmitted to the slave station 200 via the antenna 128. The speaker 206 of the slave station 200 outputs audio data received by the antenna 201.

  According to such a modification, even if the operator does not repeatedly input a specific portion of the audio data to the console 110, the slave station 200 can repeatedly output the specific portion of the audio data. It becomes possible. Of course, when the operator reads out the broadcast content and inputs the audio data, it is not necessary to read out the repeated portion a plurality of times, so that it is possible to prevent erroneous broadcasts due to misreading. Further, when recording audio data in the sound source memory 116, it is possible to save the trouble of recording the repeated portion a plurality of times. Furthermore, the amount of audio data recorded in the sound source memory 116 can be reduced.

  For example, when the console 110 expands the repeated portion of the audio data, the console 110 further includes a detection unit 401, a recording control unit 402, and an audio memory 403. The detection unit 401 of the console 110 detects repetitive information indicating a repetitive portion to be output by repeating audio data from the operation information. The recording control unit 402 of the console 110 sequentially transmits the acquired portion to the master station 120 via the audio output unit 119 while the portion before the repeated portion indicated by the repetition information is acquired by the sound source control unit 115. Output. In addition, the recording control unit 402 of the console 110 records the acquired portions in the audio memory 403 in order while the repetition portion indicated by the repetition information is acquired by the sound source control unit 115, and also via the audio output unit 119. To the master station 120 sequentially. In addition, the recording control unit 402 of the console 110 sequentially records the acquired portions in the audio memory 403 and acquires the audio memory while the portion after the repetition portion indicated by the repetition information is acquired by the sound source control unit 115. The repeat part and the part following the repeat part are sequentially read from 403 and output to the master station 120 via the audio output unit 119. The antenna 128 of the master station 120 transmits the voice data received by the voice input unit 123 to the slave station 200 as a radio signal. The speaker 206 of the slave station 200 outputs audio data received by the antenna 201.

  FIG. 8 is a diagram for explaining a modification in which the repeated portion of the audio data is developed by the console according to the embodiment of the present invention. As shown in FIG. 8, when the repeated portion of the voice data is developed by the console 110, the voice data a, the voice data b, and the voice data c are input to the console 110 in this order. The voice data b is expanded into two and output from the console 110 in the order of voice data a, voice data b, voice data b, and voice data c. According to such a modification, even if the operator does not repeatedly input a specific portion of the audio data to the console 110, the slave station 200 can repeatedly output the specific portion of the audio data. It becomes possible. Of course, when the operator reads out the broadcast content and inputs the audio data, it is not necessary to read out the repeated portion a plurality of times, so that it is possible to prevent erroneous broadcasts due to misreading. Further, when recording audio data in the sound source memory 116, it is possible to save the trouble of recording the repeated portion a plurality of times. Furthermore, the amount of audio data recorded in the sound source memory 116 can be reduced.

DESCRIPTION OF SYMBOLS 10 Wireless communication system 110 Console 111 Operation input part 112 Microphone (voice input part)
113 control unit 114 operation control unit 115 sound source control unit 116 sound source memory (voice input unit)
117 Operation output unit 118 Audio input request reception unit 119 Audio output unit 120 Master station 121 Operation input unit 122 Audio input request transmission unit 123 Audio input unit 124 Control unit 125 Signal processing unit 126 Audio control unit 127 Radio processing unit 128 Antenna (communication) Part)
200 Slave station 201 Antenna (communication unit)
202 wireless processing unit 203 control unit 204 signal processing unit 205 audio control unit 206 speaker (audio output unit)
300 Relay station 401 Detection unit 402 Recording control unit 403 Audio memory

Claims (8)

A voice input unit for sequentially receiving voice data input;
An operation input unit that receives input of operation information while the input of the audio data is sequentially received by the audio input unit;
A detection unit for detecting repetitive information indicating a repetitive portion from which the audio data is to be output repeatedly from the operation information;
A communication unit that transmits the audio data whose input is received by the audio input unit and the repetition information detected by the detection unit to a slave station by a radio signal;
Comprising a master station,
A communication unit that receives the audio data and the repetition information from the master station by the radio signal;
An audio output unit for outputting audio data;
An audio memory in which audio data is recorded;
The received part is sequentially output from the audio output unit while the part before the repetitive part indicated by the repetitive information is received by the communication unit, and received while the repetitive part is received. The recorded portions are sequentially recorded in the sound memory and sequentially output from the sound output unit, and the received portions are sequentially stored in the sound memory while the portion after the repeat portion is received. A recording control unit that records and sequentially reads out the repetitive part and the part following the repetitive part from the audio memory and outputs the repetitive part from the audio output unit;
Comprising a slave station,
A wireless communication system, comprising: The repetition information is
2. The wireless communication according to claim 1, comprising a combination of a time at which a start signal indicating the start of the repetitive part is input and a time at which an end signal indicating the end of the repetitive part is input. system. A step in which the audio output processing means accepts input of audio data and repetition information designating repetition for a predetermined range of the audio data;
A step of the voice output processing means input voice data is output processing, in the audio output method comprising the,
In the step of outputting audio data,
The audio output processing means is
The input audio data is sequentially output, and if repetition is specified for the audio data to be output, the repeat range is repeated and output processing is performed.
Storing the audio data after the repetitive range input during the repetitive output processing in the storage means;
An audio output method for outputting audio data after the stored repeat range after outputting the repeat range repeatedly. A communication unit that receives, by radio signals, audio data from a master station and repetitive information indicating a repetitive portion to which the audio data is to be output;
An audio output unit for outputting audio data;
An audio memory in which audio data is recorded;
The received part is sequentially output from the audio output unit while the part before the repetitive part indicated by the repetitive information is received by the communication unit, and received while the repetitive part is received. The recorded portions are sequentially recorded in the sound memory and sequentially output from the sound output unit, and the received portions are sequentially stored in the sound memory while the portion after the repeat portion is received. A recording control unit that records and sequentially reads out the repetitive part and the part following the repetitive part from the audio memory and outputs the repetitive part from the audio output unit;
A slave station comprising: A voice input unit for sequentially receiving voice data input;
An operation input unit that receives input of operation information while the input of the audio data is sequentially received by the audio input unit;
A detection unit for detecting repetitive information indicating a repetitive portion from which the audio data is to be output repeatedly from the operation information;
An audio memory in which audio data is recorded;
A communication unit that communicates with the slave station by radio signal;
While the input of the part before the repetitive part indicated by the repetitive information is accepted by the voice input unit, the input is accepted and sequentially transmitted to the slave station via the communication unit, While the input of the repetitive part is accepted, the part of which the input is accepted is sequentially recorded in the audio memory and is sequentially transmitted to the slave station via the communication unit, and the part after the repetitive part Are recorded sequentially in the audio memory for the portion of the input that has been accepted, and the repeated portion and the portion following the repeated portion are sequentially read from the audio memory to A recording control unit for transmitting to the slave station via
Comprising a master station,
A communication unit for receiving the audio data from the master station by the radio signal;
An audio output unit for outputting the audio data received by the communication unit;
Comprising a slave station,
A wireless communication system, comprising: A voice input unit for sequentially receiving voice data input;
An operation input unit that receives input of operation information while the input of the audio data is sequentially received by the audio input unit;
A detection unit for detecting repetitive information indicating a repetitive portion from which the audio data is to be output repeatedly from the operation information;
An audio memory in which audio data is recorded;
A communication unit that communicates with the slave station by radio signal;
While the input of the part before the repetitive part indicated by the repetitive information is accepted by the voice input unit, the input is accepted and sequentially transmitted to the slave station via the communication unit, While the input of the repetitive part is accepted, the part of which the input is accepted is sequentially recorded in the audio memory and is sequentially transmitted to the slave station via the communication unit, and the part after the repetitive part Are recorded sequentially in the audio memory for the portion of the input that has been accepted, and the repeated portion and the portion following the repeated portion are sequentially read from the audio memory to A recording control unit for transmitting to the slave station via
A master station characterized by comprising: An audio input unit that sequentially acquires audio data;
An operation input unit that receives input of operation information while the input of the audio data is sequentially received by the audio input unit;
A detection unit for detecting repetitive information indicating a repetitive portion from which the audio data is to be output repeatedly from the operation information;
An audio memory in which audio data is recorded;
An operation output unit for sequentially outputting the operation information to a master station;
An audio output unit for sequentially outputting the audio data to the master station;
While the part before the repetition part indicated by the repetition information is acquired by the voice input unit, the acquired part is sequentially output to the master station via the voice output unit, and the repetition part is While being acquired, the acquired portions are sequentially recorded in the audio memory and sequentially output to the master station via the audio output unit, and a portion after the repeated portion is acquired Records the obtained portions sequentially in the audio memory, and sequentially reads out the repeated portion and the portion following the repeated portion from the audio memory and outputs the same to the master station via the audio output unit. A control unit;
A console with
A voice input unit that receives input of the voice data from the console;
A communication unit that transmits the audio data received by the audio input unit to a slave station by a radio signal;
Comprising a master station,
A communication unit for receiving the audio data from the master station by the radio signal;
An audio output unit for outputting the audio data received by the communication unit;
Comprising a slave station,
A wireless communication system, comprising: An audio input unit that sequentially acquires audio data;
An operation input unit that receives input of operation information while the input of the audio data is sequentially received by the audio input unit;
A detection unit for detecting repetitive information indicating a repetitive portion from which the audio data is to be output repeatedly from the operation information;
An audio memory in which audio data is recorded;
An operation output unit for sequentially outputting the operation information to a master station;
An audio output unit for sequentially outputting the audio data to the master station;
While the part before the repetition part indicated by the repetition information is acquired by the voice input unit, the acquired part is sequentially output to the master station via the voice output unit, and the repetition part is While being acquired, the acquired portions are sequentially recorded in the audio memory and sequentially output to the master station via the audio output unit, and a portion after the repeated portion is acquired Records the obtained portions sequentially in the audio memory, and sequentially reads out the repeated portion and the portion following the repeated portion from the audio memory and outputs the same to the master station via the audio output unit. A control unit;
An operation console characterized by comprising:

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