Common problems and tuning skills of KTV professional audio!Speaker bar Vendor

　　When the microphone is turned on, it will scream. In order not to hear the harsh sound, I can only blame myself. For professional entertainment audio operators, what if there is a whistling in the KTV professional audio? How to adjust the microphone? How to tune it? Please be patient to finish reading the following content, I believe it will provide you with some help when operating a KTV casino, and at the same time provide guests with a good environment for entertaining and even lingering.

　　ktv audio

　　1. What should I do if there is a whistling of KTV professional audio?

　　①Adjust the speaker direction appropriately.

　　② A well-chosen microphone means low sensitivity, good directivity, and flat frequency response.

　　③Adjust the treble and bass of the microphone appropriately, and adjust the sound and audio balance.

　　④Choose the appropriate microphone volume and reverberation time, and the reverberation time cannot be too long.

　　⑤Appropriate sound absorption on the wall opposite to the speaker.

　　⑥Add KTV professional audio howling suppressor, adopt equalizer, high and low cut and digital feedback suppression technology to protect professional speakers and professional power amplifiers.

　　2. How to adjust the microphone?

　　At present, the dynamic microphone speakers used in popular and popular singing should be placed as far as possible not to cover the microphone pickup area. If the singing is lack of confidence, add mid-to-high frequency to emphasize his brightness. The confidence is very strong to reduce the low frequency to save the voice from breaking. Women add low frequency to thicker, men add high frequency to transparent.

　　3. How to tune?

　　①The equipment's turn-on and turn-off sequence

　　From audio source equipment (CD player, DVD player,), audio processing equipment (effects, etc.) to power amplifier to TV, projector. The sequence is reversed when shutting down, and the power amplifier should be turned off first. This operation can prevent the impact of turning on and off the device, and prevent the power amplifier and speakers from being burned.

　　②Debug

　　A. The volume of the power amplifier [microphone (including fine-tuning), music] potentiometer is adjusted to the appropriate position.

　　B. The sound quality compensation knobs are all placed in the middle position.

　　C. First try the microphone sensitivity and dynamic performance, and then add reverberation and accompaniment music to sing. After reverberation processing, the singing voice should be more mellow, fuller and layered than the original song, and full of liveness.

　　D. Test accompaniment music: turn on the accompaniment music to the normal working volume; but pay attention to the volume is moderately pleasing, too loud and easy to make people tired and unbearable. (The tuner should listen to the effect in different positions. For example, the stereo sound image, sound quality, etc., the repertoire should be familiar to them). The requirements for musical effects should be dynamic and aesthetic. The treble should not be harsh, the bass should not be muddy, and the singing voice should be clear. For example, the teeth of a female voice should be clear and audible, but not too heavy.

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