JP2004187073A - System and method for multi-address communication - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a multi-address communication system and multi-address communicating method capable of effectively utilizing a recording storage capacitor belonging to a slave station device by recording only a needed part in voice information transmitted from a master station device. <P>SOLUTION: A master station operation console transmits a message start instruction 41 and transmits an incoming call sign 141a including recording control acceptance/rejection information 52b of "recording rejection". A door-to-door receiver publicly addresses the incoming call sign without performing recording because the recording control acceptance/rejection information is recording rejection. Next, the master station operation console transmits message information 61 including recording control acceptance/rejection information of "recording acceptance". The door-to-door receiver publicly addresses the message and records the message because the recording control acceptance/rejection information is recording acceptance. Then, the master station operation console transmits an outgoing call sign 141b including the recording control acceptance/rejection information 52b of "recording rejection". The door-to-door receiver publicly addresses the outgoing call sign without performing recording because the recording control acceptance/rejection information is recording rejection. Finally, the master station operation console transmits a message end instruction 43. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a broadcast communication system and a broadcast communication method in which a slave station device controls recording of a report content in accordance with recording control availability information from a master station console.
[0002]
[Prior art]
A broadcast communication system installed for the purpose of disaster prevention or the like mainly includes a master station console and door-to-door receivers. FIG. 6 shows a block diagram of a master station console (a) and a door-to-door receiver (b) constituting a conventional broadcast communication system. As shown in FIG. 1A, a conventional master station console 100 includes a sound storage unit 13P having a sound source management table 111P and a message recording sound source 113, and a control unit having a report control unit 121 and a recording / reproduction control unit 122. 12P, a voice control unit 13 having a call sign sound source 131, a speaker 14, a microphone 15, a display unit 16, and an operation unit 17.
[0003]
The voice storage unit 13P records a message sound source for reporting in advance and reproduces a message at the time of reporting, and stores a message recording sound source 113 and a sound source management table 111P for managing the message recording sound source 113. Have. Further, the control unit 12P manages all states of the master station console 100 such as communication control for notification, and includes a notification control unit 121 that controls state management for notification and transmission of various control information. And a recording / reproduction control unit 122 for controlling recording, reproduction, stop, and trial listening by the audio storage unit 13P. The voice control unit 13 performs sound volume and mixing of voice, and has a call sign sound source 131 that is a sound source of a call sign such as “ping-pong pong-pong”.
[0004]
The speaker 14 reproduces a sound source at the time of listening to a message or notifying a message. The microphone 15 is for inputting a voice at the time of reporting or recording a message. The display unit 16 displays the status of execution of the notification and the like. The operation unit 17 operates the master station operation console 100 to make a report or the like. Note that the voice control unit 13 is connected to a radio unit 20 for modulating a signal such as a report, a message, or a call sign transmitted from the master console 100 and wirelessly transmitting the modulated signal to a door-to-door receiver.
[0005]
On the other hand, the conventional door-to-door receiver 300 includes a reception unit 31, a voice control unit 32, a control unit 33P having a message reception control unit 331 and a recording / playback control unit 332, and a speaker, as shown in FIG. 34, and a voice recording / reproducing unit 35.
[0006]
The receiving unit 31 receives and demodulates the signal transmitted from the master station console 100 transmitted by the wireless unit 20. The voice control unit 32 controls the volume of a message, message, call sign, or the like demodulated by the receiving unit 31. The control unit 33P controls the state of the door-to-door receiver 300 according to the control information transmitted from the master console 100 demodulated by the receiving unit, and performs various state management according to the content of the control information. A notification reception control unit 331 for performing the recording and a recording / reproduction control unit 332 for controlling operations such as recording a notification or the like in the voice recording / reproducing unit 35 according to the control information and reproducing the report or the like recorded in the voice recording / reproducing unit 35. Have. In addition, the speaker 34 loudspeaks a notice or the like. The voice recording / reproducing unit 35 records or reproduces a report or the like in accordance with an instruction from the recording / reproducing control unit 332.
[0007]
In the conventional broadcast communication system including the master station operation console 100 and the door-to-door receiver 300 having the above-described configurations, the recording control is performed according to the recording control information included in the report start command transmitted from the master station operation console 100. If the information indicates that recording is to be performed, the door-to-door receiver 300 automatically records a report or the like. FIG. 7 is an explanatory diagram showing, in chronological order, the content of a signal transmitted from the conventional master station console 100. As shown in the figure, when a report is made from the master station console 100, first, a report start command 41 including the recording control information 51 is transmitted from the master station console 100.
[0008]
The door-to-door receiver 300 that has received the report start command 41 starts recording if the content of the recording control information 51 indicates recording, and continues recording until it receives the report end command 43 from the master console 100. Finally, the master station console 100 sends the report end command 43 to the door-to-door receiver 300, and the door-to-door receiver 300 ends the recording. Therefore, the up-call sign 44 after the report start command 41, the report information 42, and the down call sign 45 before the report end command 43 are recorded in the door-to-door receiver 300.
[0009]
[Patent Document 1]
JP-A-5-14223
[Problems to be solved by the invention]
There is a limit to the time available for recording by the voice recording / reproducing unit 35 of the conventional door-to-door receiver 300 due to cost and other factors. That is, the recording storage capacity of the voice recording / reproducing unit 35 is limited. However, as described above, the call sign is recorded in the door-to-door receiver 300 in addition to the message text, so that there is a problem that the capacity of the voice recording / reproducing unit 35 is wasted.
[0011]
In such a case, for example, if recording is started from an upgoing call sign when the remaining capacity is small, there is a possibility that the capacity is lost during recording of the body of the report and the essential part is not recorded. Therefore, in order to save the capacity of the voice recording / reproducing unit 35, a system capable of recording only a really necessary part such as a report text has been desired.
[0012]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems and demands, and records only a necessary portion of audio information transmitted from a master station device to thereby achieve a recording storage capacity of a slave station device. It is an object of the present invention to provide a broadcast communication system and a broadcast communication method that can effectively use the communication.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, a broadcast communication system according to the present invention is a broadcast communication system for performing broadcast communication from a master station device to at least one slave station device, wherein the master station device includes the slave station. An audio information adding unit for adding recording control availability information of whether recording or non-recording by the station device to each audio information, and audio information transmitting unit for transmitting the audio information to the slave station device; The apparatus comprises: audio information receiving means for receiving the audio information to which the recording control availability information transmitted from the master station apparatus is added; and recording for determining whether the added recording control availability information is available or not. The apparatus includes an availability determination unit, an audio information recording unit that records audio information to which recording control availability information indicating that recording is enabled is added, and an audio processing unit that performs a loudspeaker process on the audio information using a speaker. Therefore, since only a necessary portion of the audio information transmitted from the master station device can be recorded, the recording storage capacity of the audio information recording means of the slave station device can be effectively utilized.
[0014]
Further, in the broadcast communication system according to the present invention, in the slave station device, when the recording control propriety information added to the audio information is determined as recording prohibition by the recording propriety determining means, the voice processing means sets the speaker It is desirable to perform only the sound amplification processing of the audio information by the above.
[0015]
Further, the broadcast communication system according to the present invention, the master station device has a recording control availability information setting storage unit that previously stores whether the recording control availability information is recording enabled or not for each audio information. Is desirable.
[0016]
Further, in the broadcast communication system according to the present invention, it is preferable that the voice information is a report content, a message, or a call sign.
[0017]
Also, a communication device according to the present invention constitutes the master station device in the broadcast communication system according to any one of claims 1 to 4.
[0018]
A communication terminal according to the present invention constitutes the slave station device in the broadcast communication system according to any one of claims 1 to 4.
[0019]
Also, the broadcast method according to the present invention is a broadcast method for performing broadcast from a master station device to at least one slave station device, wherein the master station device is capable of recording by the slave station device or When the recording control availability information of the recording inhibition is added to each audio information and transmitted to the slave station device, and the slave station device receives the audio information added with the recording control availability information transmitted from the master station device, Then, it is determined whether or not the added recording control availability information indicates whether or not recording is possible. If the recording is possible, the audio information is recorded in the audio information recording means, and a loudspeaker is processed by a speaker.
[0020]
Also, in the broadcast method according to the present invention, the slave station device performs a process of vocalizing the audio information by the speaker if the recording control availability information added to the received audio information is a recording failure.
[0021]
Further, in the broadcast communication method according to the present invention, in the master station device, the recording control availability information is set in advance for each audio information.
[0022]
Further, in the broadcast method according to the present invention, the voice information is a report content, a message, or a call sign.
[0023]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of a broadcast communication system according to the present invention will be described in detail with reference to the drawings.
The broadcast communication system of the present embodiment installed for the purpose of disaster prevention or the like is mainly configured by a master station console corresponding to the master station device in the claims, and a door-to-door receiver corresponding to the slave station device. ing. The master station console is installed, for example, in a government office, and the door-to-door receivers are installed, for example, in each home. A notification, a message, a call sign, and the like are wirelessly transmitted from the master station console to each door-to-door receiver. Note that the call sign is a notification sound such as “ping-pong pampong” that flows before and after a report or message.
[0024]
FIG. 1 shows a block diagram of a master station console (a) and a door-to-door receiver (b) that constitute the broadcast communication system of the present embodiment. In the figure, the same reference numerals are given to the portions that overlap with FIG. 6 (prior art).
[0025]
As shown in FIG. 1 (a), the master station console 10 of the present embodiment has a sound storage unit having a sound source management table 111 and a message recording sound source 113 corresponding to the recording control availability information setting storage means in the claims. 11, a control unit 12 having a sound source recording control unit 123 corresponding to a notification control unit 121, a recording / playback control unit 122, and a voice information adding unit; a voice control unit 13 having a call sign sound source 131; a speaker 14; 15, a display unit 16, and an operation unit 17.
[0026]
Hereinafter, each component of the master station console 10 of the present embodiment will be described.
First, the voice storage unit 11 records a message sound source for notification in advance and reproduces a message at the time of notification. A message recording sound source 113 and a sound source management table 111 for managing the message recording sound source 113 are recorded. And In the sound source management table 111 of the present embodiment, recording control availability information (recording enable / disable) 115 indicating whether or not to perform recording in the door-to-door receiver 30 is set for each message.
[0027]
The control unit 12 manages all states of the master station console 10 such as communication control for notification, and includes a notification control unit 121 that controls state management for notification and transmission of various control information. A recording / playback control unit 122 for controlling recording, playback, stop, and trial listening by the voice storage unit 11, and a sound source recording control unit 123 for adding recording control availability information to a report, message, or call sign. . The voice control unit 13 performs volume and mixing of voice, and has a call sign sound source 131.
[0028]
The speaker 14 reproduces a sound source at the time of listening to a message or notifying a message. The microphone 15 is for inputting a voice at the time of reporting or recording a message. The display unit 16 displays the status of execution of the notification and the like. The operation unit 17 operates the master station console 10 to make a report or the like. The voice control unit 13 includes a voice information transmission unit according to the claims for modulating a signal such as a report, a message, or a call sign transmitted from the master console 10 and wirelessly transmitting the signal to a door-to-door receiver. A radio unit 20 corresponding to the means is connected.
[0029]
On the other hand, as shown in FIG. 1B, the door-to-door receiver 30 according to the present embodiment includes a receiving unit 31 corresponding to a voice information receiving unit and a voice control unit 32 corresponding to a voice processing unit. A notification receiving control unit 331, a control unit 33 having a recording / reproducing control unit 332 corresponding to a voice information recording unit and a sound source recording enable / disable control unit 333 corresponding to a recording enable / disable determining unit, a speaker 34, a voice recording / reproducing unit 35, It is configured with.
[0030]
Hereinafter, each component included in the door-to-door receiver 30 of the present embodiment will be described.
First, the receiving unit 31 receives and demodulates a signal transmitted from the master station console 10 and transmitted by the wireless unit 20. The voice control unit 32 controls the volume of a message, message, call sign, or the like demodulated by the receiving unit 31. The control unit 33 controls the state of the door-to-door receiver 30 according to the control information transmitted from the master console 10 demodulated by the receiving unit.
[0031]
The control unit 33 determines whether or not the recording control enable / disable information is recordable or not, and reports the result to the recording / playback control unit 332. The sound source recording permission / inhibition control unit 333 to be sent to the server, a report or a message is recorded in the voice recording / reproducing unit 35 in accordance with the control information and the result transmitted from the sound source recording permission / inhibition control unit 333, or the notification recorded in the voice recording / reproduction unit 35 And a recording / playback control unit 332 for controlling the operation of playing back the sound. In addition, the speaker 34 loudspeaks a notice or the like. The voice recording / reproducing unit 35 records or reproduces a report or the like in accordance with an instruction from the recording / reproducing control unit 332.
[0032]
In the broadcast communication system of the present embodiment including the master station console 10 and the door-to-door receiver 30 having the above-described configurations, the recording control availability information included in the report or message transmitted from the master station console 10 is described. Accordingly, if the recording control availability information is "recording enabled", the door-to-door receiver 30 records a report or a message, and if "recording disabled", performs only the loudspeaker from the speaker 34 without recording.
[0033]
FIG. 2 is an explanatory diagram showing, in chronological order, the contents of signals transmitted from the master console 10 of the present embodiment. As shown in the figure, when a report is made from the master station console 10, first, a report start command 41 including the recording control information 51 is sent from the master station console 10. Receiving the report start command 41, the door-to-door receiver 30 prepares for recording if the content of the recording control information indicates recording. Then, the master station console 10 sends an up call sign 141a including the recording control availability information 52b of "no recording" following the report start instruction. The door-to-door receiver 30 that has received the up call sign 141a does not perform recording because the recording control availability information 52b is "recording not possible" and raises the up call sign from the speaker 34.
[0034]
Next, the master station console 10 sends out the notification information 61 including the recording control permission / prohibition information 52a of “recording permission”. Receiving the notification information 61, the door-to-door receiver 30 performs recording because the recording control availability information 52a is "recording enabled", and loudspeaks the speaker 34. Next, the master station console 10 sends the downstream call sign 141b including the recording control permission / non-permission information 52b of "recording permission / non-recording" following the report information 61. Receiving the down call sign 141b, the door-to-door receiver 30 does not perform recording because the recording control availability information 52b is "recording not possible", and raises the down call sign from the speaker 34. Finally, the master station console 10 sends a report end command 43 to the door-to-door receiver 30. Therefore, only the notification information 61 is recorded in the door-to-door receiver 30.
[0035]
FIG. 3 is an explanatory diagram showing, in chronological order, the contents of signals transmitted from the master console 10 of the present embodiment. As shown in the figure, when a message is transmitted from the master station console 10, first, a report start command 41 including the recording control information 51 is sent from the master station console 10. Receiving the report start command 41, the door-to-door receiver 30 prepares for recording if the content of the recording control information indicates recording. Then, the master station console 10 sends the first message 132a including the recording control availability information 52a of "recording enabled" following the report start instruction. Receiving the first message 132a, the door-to-door receiver 30 performs recording because the recording control availability information 52a is "recordable" and loudspeakers the first message 132a from the speaker 34.
[0036]
Next, the master station console 10 sends out a second message 132b including the recording control availability information 52a of “recording enabled”. Receiving the second message 132b, the door-to-door receiver 30 performs recording because the recording control availability information 52a is "recordable", and loudspeakers the second message 132b from the speaker 34. Next, the master station console 10 sends out a third message 132c including the recording control availability information 52b of "recording unavailable". Receiving the third message 132c, the door-to-door receiver 30 does not perform recording because the recording control availability information 52b is "recording disabled", and raises the third message 132c from the speaker 34. Finally, the master station console 10 sends a report end command 43 to the door-to-door receiver 30. Therefore, only the first message 132a and the second message 132b are recorded in the door-to-door receiver 30.
[0037]
Next, the operation of the master station console 10 of the present embodiment will be described with reference to FIG. FIG. 4 is a flowchart for explaining the operation of the master station console 10 when transmitting a message. As shown in the figure, the master station console 10 first sends a report start command (step S101). Then, it is determined whether or not the recording is to be performed by the door-to-door receiver 30 (step S103). If the recording is to be performed, the content of the recording control information is set to that effect (ON) (step S105). Is set to that effect (OFF) (step S107).
[0038]
Next, it is determined whether to transmit the message sound source or the live broadcast sound (step S109). If the message sound source is transmitted, the process proceeds to step S111. If the live sound is transmitted, the process proceeds to step S113. Transmits live broadcast audio. In step S111, it is determined whether or not the message is to be recorded by the door-to-door receiver 30. If it is to be recorded, the recording control enable / disable information is set to be recordable (step S115). (Step S117). After step S115 or S117, a message sound source is transmitted (steps S119, S121), and it is determined whether there is a next message sound source (step S123). If there is a next message sound source, the process returns to step S111, and if not, a report end command is sent, and a series of processes in master station console 10 is ended (step S125).
[0039]
Next, the operation of the door-to-door receiver 30 of the present embodiment will be described with reference to FIG. FIG. 5 is a flowchart illustrating the operation of the door-to-door receiver 30 when receiving a message. As shown in the figure, when receiving the notification start command from the master console 10 (step S201), the door-to-door receiver 30 determines whether the recording control information is ON (recording is performed) or OFF (recording is not performed). (Step S203). If the recording control information is ON, the process proceeds to step S205, and if the recording control information is OFF, the process proceeds to step S207. In step S207, the message is louder, and when a notification end command is received from the master station console 10 (step S209), a series of processing in the door-to-door receiver 30 ends.
[0040]
On the other hand, in step S205, the start of message recording is prepared. Then, it is determined whether or not the recording control availability information is added to the received message (step S211). If the recording control availability information is added, the process proceeds to step S213, and if not, the process proceeds to step S215. In step S215, after loudspeaking the message and recording the message, when a message end command is received from the master station console 10 (step S209), a series of processes in the door-to-door receiver 30 is ended.
[0041]
On the other hand, in step S213, it is determined whether or not the recording control permission information is recordable or not. If recordable, the process proceeds to step S217. In step S217, the message is loudspeaked and the message is recorded. In step S219, only the message is loudspeaked and no recording is performed. After step S217 or S219, it is determined whether or not there is a next message sound source (step S221). If there is, the process returns to step S213. Otherwise, after receiving a report end command from the master console 10 (step S209), A series of processes in the door-to-door receiver 30 ends.
[0042]
As described above, in the broadcast communication system of the present embodiment, recording control availability information is added to each of the notification, message, and call sign sent from the master console 10, and the door-to-door receiver 30 controls the recording control. Only the notification that the availability information is "recordable" is recorded. Therefore, only the information that is really necessary can be recorded out of the information transmitted from the master console 10, and the limited recording and storage capacity of the voice recording / reproducing unit 35 of the door-to-door receiver 30 is effectively utilized. can do. Note that the broadcast communication system of the present embodiment can be realized by a similar method regardless of whether the wireless method is analog or digital, and the same effect is obtained.
[0043]
【The invention's effect】
As described above, according to the broadcast communication system and the broadcast communication method according to the present invention, since only a necessary part of the audio information transmitted from the master station device can be recorded, the slave station device can It is possible to effectively utilize the recording storage capacity of the voice information recording means.
[Brief description of the drawings]
FIG. 1 is a block diagram of a master station console (a) and a door-to-door receiver (b) that constitute a broadcast communication system according to an embodiment of the present invention. FIG. 2 is transmitted from the master station console of one embodiment. FIG. 3 is an explanatory diagram showing the contents of signals transmitted in time series. FIG. 3 is an explanatory diagram showing the contents of signals transmitted from the master console 10 in one embodiment in time series. FIG. 5 is a flowchart for explaining the operation of the station console 10; FIG. 5 is a flowchart for explaining the operation of the door-to-door receiver 30 when receiving a message; FIG. 6 is a conventional master station console (a) and a door-to-door constituting a broadcast communication system; FIG. 7 is a block diagram of a receiver (b). FIG. 7 is an explanatory diagram showing the content of a signal transmitted from a conventional master station console 10 in time series.
Reference Signs List 10 Master station console 111 Sound source management table 113 Message recording sound source 11 Voice storage unit 121 Report control unit 122 Recording / playback control unit 123 Sound source recording control unit 12 Control unit 131 Call sign sound source 13 Voice control unit 14 Speaker 15 Microphone 16 Display unit 17 Operation unit 20 Radio unit 30 Door-to-door receiver 31 Receiving unit 32 Voice control unit 331 Notification reception control unit 332 Recording / playback control unit 333 Sound source recording enable / disable control unit 33 Control unit 34 Speaker 35 Voice recording / playback unit

Claims (10)

A broadcast communication system for performing broadcast communication from a master station device to at least one slave station device,
The master station device,
Sound information adding means for adding sound recording control enable / disable information of whether or not recording by the slave station device to each sound information,
Voice information transmitting means for transmitting the voice information to the slave station device,
The slave station device,
Voice information receiving means for receiving voice information to which the recording control availability information transmitted from the master station device is added,
Recording availability determination means for determining whether the added recording control availability information is available or not,
Voice information recording means for recording voice information to which recording control availability information of recordable is added,
And a voice processing means for performing a loudspeaker process on the voice information by a speaker. In the slave station device, when it is determined that the recording control availability information added to the audio information by the audio recording availability determination unit is not audio-recordable, the audio processing unit performs only the loudspeaking process of the audio information by the speaker. The broadcast communication system according to claim 1, wherein: 3. The master station device according to claim 1, wherein the master station device has a recording control availability information setting storage unit that stores in advance whether the recording control availability information indicates whether or not recording is possible for each audio information. Information communication system. 4. The broadcast communication system according to claim 1, wherein the voice information is a report content, a message, or a call sign. A communication device constituting the master station device in the broadcast communication system according to claim 1. A communication terminal constituting the slave station device in the broadcast communication system according to claim 1. A broadcast communication method for performing broadcast communication from a master station device to at least one slave station device,
The master station device transmits to the slave station device by adding recording control enable / disable information of whether or not recording is allowed by the slave station device to each sound information,
The slave station device, upon receiving the audio information to which the recording control availability information transmitted from the master station device is added, determines whether the added recording control availability information is recordable or not, and determines whether the recording is possible. If so, a broadcast method wherein the voice information is recorded in voice information recording means and a loudspeaker is processed by a speaker. 8. The broadcast communication method according to claim 7, wherein the slave station device performs a process of loudspeaking the audio information by the speaker if the recording control availability information added to the received audio information indicates that recording is not possible. . 9. The broadcast communication method according to claim 7, wherein in the master station device, the recording control availability information is set in advance for each audio information. 10. The broadcast communication method according to claim 7, wherein the voice information is a report content, a message, or a call sign.

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