JPS5821961A - Audio remote control conference system - Google Patents

Abstract

PURPOSE:To increase the reliability of an audio remote control conference system and to increase the range of application of said system, by transmitting the speaker identification information of each station to a ground station and then displaying the speaker. CONSTITUTION:The detection signal of the speaker voice of a station A is processed by a data feeding circuit 26. The identification signal of the circuit 26, the modulated 28 signal of the code number of the own station and the speaker identification information given from an amplifier 25 are multiplexed 27 with division of frequency and then transmitted. At a station B, the separated 51 speaker identification information is fed to a data output circuit 53 via a demodulator 54. The code number of each station and the identification signal are detected and fed to a display circuit for station A of a speaker identification display device 56 in the form of a parallel data. Thus the corresponding LED emits the light, and the speaker of the station A is identified.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an audio teleconferencing system, and more particularly to an audio teleconferencing method for eliminating blind conversation.

In conventional audio teleconferencing systems, speakers speak through microphones in various locations and listen to what the other party is saying through speakers. Audio frequency A band (0.3kHz ~ 3.4kHz)
Since it is a single line using a frequency (kHz), only audio communication is possible, and there is a drawback that the reliability of the meeting may be lowered for a few days if the speaker is unfamiliar to the speaker.

An object of the present invention is to detect the microphone output of a speaker, transmit speaker identification information to a ground station, and display the speaker identification information on a speaker identification display device of the ground station, thereby providing visual information. The goal is to provide a highly reliable audio remote conferencing system with a high level of reliability.

In order to achieve the above object, the present invention provides an audio teleconferencing system in which audio conference room devices such as microphones and speakers are placed at multiple locations and conferences are conducted via electrical signals.
It detects the presence of the microphone, which is assigned to one speaker, and inputs the speaker's information based on the detection signal, and activates the data transmission circuit to prevent any effects on the sound quality within the audio frequency band. This is an audio teleconferencing system that uses low-speed data and audio using a frequency band that is not available.

One embodiment of the present invention will be described below with reference to one figure. Figure 1 is a block diagram of seven stems of an embodiment of the present invention.

In the figure, 11 to 14a are microphones, 21 to 24 are voice input detection circuits, 25 is a voice amplifier, 26 is a data transmission circuit,
27 is a coupling circuit 28 is a modulator, 30 is a transmission line, 51 is a separation circuit, 152 is an audio amplifier, 53 is a data receiving circuit,
54 is a TQ receiver, 55 is a speaker, and 56 is a speaker identification display device.

In the figure, as a typical example, only the transmitting section is shown on the A station side and the receiving section is shown on the B station side, but in reality, A station B4# has a transmitting and receiving section and is connected to other stations. When making a concession, the signals from the transmitting section of each station are connected in parallel to the receiving section of each station, and the data sending circuit of each station has a code number for each station.
Further, the data receiving circuit of each station identifies the code number of each station and displays it at the location of the speaker for each station on the speaker identification display device.

To explain according to the diagram, for example, when a speaker assigned to the AM microphone 11 speaks, the voice input detection circuit 1121
This detection signal is input to the data sending circuit 26. At this time, 26 data sending circuits are activated. However, since the audio input detection circuits 22 to 24 do not detect any audio input, the detection signal is not input to the data output circuit 26.Therefore, the data output circuit 26 outputs the audio input detection circuit 21 from the audio input detection circuit 21 to the audio input circuit 22. ~24 side recognizes it as V. Therefore, this parallel signal of yv"v is made into a serial signal, and the code number of the own station is attached to it, and it is changed to 11112B, for example, 3315H! The carrier wave is then transmitted to the coupling device 27. On the other hand, the audio signal from the microphone 11 is transmitted to the coupling device 27 via the audio amplifier 23. For example, the coupling device 2 is 3315Hj
It consists of a 3100Hg image area P wave device and a 3100 Hg image area P wave device), and the voice is transmitted through a low frequency F wave device.Speaker identification information letter 33
The signal passes through the 15 Hz band F wave device, is frequency division multiplexed, and is transmitted to the receiving section of one station via the transmission path 3o. In the receiving section of station B, this signal is separated by m times per minute @ 51, and the speaker identification information is passed through the $11zHgIDi range F wave device (as in the coupling circuit 27), and the voice company 3100HI low frequency P wave device. be done. The audio is transmitted through the audio amplifier 52 to the speaker 55.
Broadcast within the station. On the other hand, the speaker's sensitive feelings - the axis is yakuchoki 54
The data is demodulated by the carrier wave 33tsax and sent to the data output circuit 5.
Enter 3. The data output circuit 53 detects the monthly interest code number and also receives the transmitted 〒'tr'crtr.
The signal is detected and transmitted as parallel data to the display circuit for station A of the speaker identification display device 56. Due to the slippage, the speaker selection display [56] lights up the light emitting diode of the display device for station A, for example, only at the 1" signal. This allows the speaker who is currently speaking to use the AMI microphone. 11
It turns out that he is a runner.

The coupling device 27 described above
Although the sound is cut with a low frequency ν wave generator of Hz, the sound quality is not affected by this.

As explained in detail above, according to the present invention, the speaker identification information for each station is transmitted to the ground station, and the three speakers of each station are displayed on the speech/speech position identification display device of each ground station, so visual information is Since the caller can be identified by the addition, the reliability of the audio teleconferencing system can be improved and the range of use 4 can be expanded.

[Brief explanation of the drawing]

The figure is a block diagram of an audio teleconferencing system according to an embodiment of the present invention. In the figure, 11 to 14 are microphones, 21 to 24 are audio input detection circuits, 25 and 52 are audio amplifiers, 26 is a data transmission circuit, 27 is a coupling circuit, 28 is a modulator, 30 is a transmission line,
51 is a separation circuit, 53 is a data signal circuit, 54 is a receiver, 55 is a speaker, 5
6 is a speaker identification display device.

Claims (1)

[Claims] In an audio teleconferencing system in which audio conference room devices are placed at multiple locations and conferences are conducted via electrical signals, the input of a microphone assigned to each speaker is detected, and the detection signal activates a data sending circuit. An audio remote conference system characterized in that speaker identification information is frequency-division multiplexed with voice within an audio frequency band and transmitted, and the speaker is displayed on a speaker identification display device at a ground station.