Conference system for independently adjusting audio parameters

Abstract

A conference system for independently adjusting audio parameters is provided, including a microphone module , a storage module, a digital signal processing module and an amplifier. When any microphone of the microphone module generates an audio signal transmitted to the digital signal processing module, the priority controller determines the priority order of the audio signals entering the digital signal processing module, the digital signal processing module will read the corresponding adjustment parameters stored in the storage module, and the volume controller, equalizer, feedback suppressor perform adjustment on the audio signal. Finally, the mixer mixes the audio signals and outputs to the amplifier. The amplifier amplifies the mixed audio signal and outputs to speakers. In this manner, a single digital signal processing module can adjust different audio signals from different microphones based on different adjustment parameters, without affecting the audio signal from other microphones.

Description

technical field [0001] The invention relates to a conference system, in particular to a conference system capable of independently adjusting sound source input. Background technique [0002] see figure 1 , the conference system block of the existing structure Figure 1 ; As shown in the figure, the conference system 3a, which is connected to the microphones 11a composed of multiple loops, can only have a fixed number of microphones 1a to speak at the same time. The right controller 37a determines the speaking microphone 11a. When multiple microphones 11a speak at the same time, the priority of each microphone 11a is determined to determine the order of speaking. In order to enable multiple sounds to be transmitted smoothly, the mixer 34a will be used first to mix the sound signals together and send them out. In order to make the sound signal output to the speaker 2a better, the equalizer 32a will be used. to adjust the signal state under different audio frequencies, and f...

AI Technical Summary

Problems solved by technology

In order to enable multiple sounds to be transmitted smoothly, the mixer 34a will be used first to mix the sound signals together and send them out. In order to make the sound signal output to the speaker 2a better, the equalizer 32a will be used. to adjust the signal state under different audio frequencies, and finally the feedback noise is eliminated by the feedback suppressor 33a, and then output to the amplifier 35a and output to the speaker 2a; it can be seen from the above that no matter which microphone 11a inputs the sound signal, it will be It is adjusted through the same equalizer 32a and feedback suppressor 33a, but not all the sound signals input by the microphone 11a need to be adjusted and feedback suppressed. When multiple microphones 11a are used for feedback suppression, the suppressed frequency If it is different, the sound quality output by the conference system 3a will be poor, and the microphone 11a that does not need feedback suppression will also be adjusted

[0003] see again figure 2 As shown, it is the existing conference system block Figure II In order to improve the above-mentioned hand-in-hand connection mode, the industry uses a star connection instead. The conference system 3b is internally equipped with multiple volume controllers 31b, multiple equalizers 32b and multiple feedback suppressors 33b, then When each microphone 11b is connected to the interior of the conference system 3b, it will correspond to a volume controller 31b, an equalizer 32b and a feedback suppressor 33b, and finally transmit it to a priority controller 37b, and then pass through the sound mixing The device 34b and the amplifier 35b are output to the speaker 2b. The advantage of this method is that the interior of the conference system 3b can adjust the sound for each microphone 11b, but it has a great disadvantage, that is, each microphone 11b must have a A corresponding volume controller 31b, an equalizer 32b and a feedback suppressor 33b, the conferencing system 3b will use a plurality of microphones 11b, so in order to use this system, it is necessary to purchase a large number of equipment for use, except In addition to the substantial increase in procurement costs, the cost of follow-up maintenance is also considerable

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