CN213403243U - Multifunctional shadow K device - Google Patents

Abstract

The utility model discloses a multifunctional film K device, which comprises a mixer, a microphone audio input module, a music audio input module, an audio and video input module and six groups of audio output modules, wherein the microphone audio input module comprises a microphone signal input channel, a microphone level detector, a noise gate, a microphone volume controller, a microphone 16-section parameter equalizer, a frequency divider, a compressor, a frequency shifter, an effect total volume controller and two 3-section balanced high-low pass filters, the music audio input module comprises an audio signal selector, a music level detector, a music noise gate, a music volume controller and a music 16-section balanced high-low pass filter which are connected in sequence, each group of audio output modules comprises 5-section balanced high-low pass filters, a gain controller, a limiting controller, a time delay controller, a mute controller and an audio output channel which are connected in sequence, the multifunctional music player has the advantages that various functions of video playing, singing K, listening to music and the like are combined, and the functions of the product are rich and diverse.

Description

Multifunctional shadow K device

Technical Field

The utility model belongs to the technical field of the technique of audio frequency processing and specifically relates to indicate a multi-functional shadow K device.

Background

With the development of the audio and video industry, the demands of some markets, restaurants, families and the like on occasions meeting basic sound amplification entertainment requirements are more and more large, the existing power amplifier equipment only has the functions of processing music audio, cannot process microphone audio collected by a microphone, and lacks the functions of watching movies and videos, a special microphone audio processing device and a decoder for processing videos need to be additionally configured, for example, a Chinese patent CN204314675U, a one-in two-out DSP audio processor or CN111586532A and a linear array audio power amplifying device, the mode of using multiple devices in a combined mode not only occupies a large space, but also leads to higher erection cost of users, and lacks the function of one machine for multiple purposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art, provide a multi-functional shadow K device that function is abundant, a tractor serves several purposes.

In order to achieve the above object, the utility model provides a multifunctional video K device, including mixer, microphone audio input module, music audio input module, audio and video input module and six sets of audio output modules, microphone audio input module includes microphone signal input channel, microphone level detector, noise gate, microphone volume control ware, 16 sections parametric equalizer of microphone, frequency divider, compressor, frequency shifter, effect total volume control ware and two 3 sections balanced high low pass filter, wherein, microphone signal input channel, microphone level detector, noise gate, microphone volume control ware, 16 sections parametric equalizer of microphone, frequency divider, compressor and frequency shifter are connected in series in proper order, the frequency shifter still is connected with mixer and effect total volume control ware respectively, effect total volume control ware is connected with two 3 sections balanced high low pass filter respectively, the music audio input module comprises an audio signal selector, a music level detector, a music noise gate, a music volume controller and 16 sections of music balanced high-low pass filters which are connected in sequence, wherein the 13 sections of music balanced high-low pass filters are connected with the frequency mixer; the audio and video input module comprises a plurality of audio and video input channels and an audio and video decoder, and the audio and video decoder is respectively connected with the plurality of audio and video input channels and the mixer; each group of audio output module is including 5 sections of balanced high low pass filter, gain controller, amplitude limiting controller, delay controller, silence controller and the audio output passageway that connect gradually, wherein, 5 sections of balanced high low pass filter are connected with the mixer.

Further, the two 3-segment equalizing high-low pass filters respectively output ECHO and Reverb sound effects to the mixer.

Further, the audio signal selector is provided with an AUX input interface, a BLT input interface and an MP3 input interface.

Furthermore, the audio/video input channel is provided with an ARC interface, an OPT/COX interface and three HDMI interfaces.

The utility model adopts the above technical scheme, its beneficial effect lies in: through being provided with microphone audio input module, music audio input module and audio and video input module to possess that video broadcast, sung K and listening multiple function such as music are put together, and the product function is abundant various.

Drawings

FIG. 1 is a schematic diagram of a shadow K device.

The audio-frequency mixer comprises a 1-frequency mixer, a 2-microphone audio input module, a 3-music audio input module, a 4-audio and video input module and a 5-audio output module.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1, in the present embodiment, a multifunctional video K device includes a mixer 1, a microphone audio input module 2, a music audio input module 3, an audio/video input module 4, and six sets of audio output modules 5.

In this embodiment, the microphone audio input module 2 includes a microphone signal input channel, a microphone level detector, a noise gate, a microphone volume controller, a microphone 16-segment parametric equalizer, a frequency divider, a compressor, a frequency shifter, an effect total volume controller and two 3-segment balanced high-low pass filters, wherein the microphone signal input channel, the microphone level detector, the noise gate, the microphone volume controller, the microphone 16-segment parametric equalizer, the frequency divider, the compressor and the frequency shifter are connected in sequence. The frequency shifter is also connected with the frequency mixer 1 and the total effect volume controller respectively, and the total effect volume controller is connected with the two 3-section equalizing high-low pass filters respectively. Therefore, microphone sound sent by a microphone signal input channel is processed by a microphone level detector, a noise gate, a microphone volume controller, a microphone 16-section parametric equalizer, a frequency divider, a compressor and a frequency shifter and then divided into two paths, wherein one path of microphone direct sound is output to a mixer 1 through the frequency shifter, the other path of microphone direct sound is output to an effect total volume controller and two 3-section equalization high-low pass filters through the frequency shifter, ECHO and Reverb sound effects are respectively output to the mixer 1 through the two 3-section equalization high-low pass filters, namely, the two equalization high-low pass filters respectively correspondingly output reverberation and ECHO to the mixer 1.

In the present embodiment, the music audio input module 3 comprises an audio signal selector, a music level detector, a music noise gate, a music volume controller and a music 16-segment equalizing high-low pass filter connected in sequence, wherein the music 13-segment parametric equalizer is connected with the mixer 1. In addition, the audio signal selector is provided with an AUX input interface, a BLT input interface and an MP3 input interface, one of the AUX input interface, the BLT input interface and the MP3 input interface is selected as a music source through the audio signal selector, and stereo music is output to the mixer 1 after the selected music source sequentially passes through the music level detector, the music noise gate, the music volume controller and the 16-segment music equalizing high-low pass filter.

In this embodiment, the audio/video input module 4 includes a plurality of audio/video input channels and an audio/video decoder, the audio/video decoder is respectively connected to the plurality of audio/video input channels and the mixer 1, wherein the audio/video input channels are provided with an ARC interface, an OPT/COX interface, and three HDMI interfaces.

In this embodiment, each set of audio output modules 5 includes 5 segments of equalizing high-low pass filters, a gain controller, a limiting controller, a delay controller, a mute controller, and an audio output channel, which are connected in sequence, where the 5 segments of equalizing high-low pass filters are connected to the mixer 1. Therefore, the mixer 1 performs mixing processing on the received direct microphone sound, echo, reverberation and stereo music and outputs the processed direct microphone sound, echo, reverberation and stereo music to seven groups of audio output modules 5, so that the mixed direct microphone sound, echo, reverberation and stereo music sequentially pass through 5 sections of balanced high-low pass filters, a gain controller, an amplitude limiting controller, a delay controller and a mute controller and then output audio to a pre-connected sound box through an audio output channel. In addition, the six groups of audio output modules 4 of the present embodiment are respectively connected to seven sound boxes in different directions, and are respectively used as main left, main right, middle, bass, ring right, ring left, and seven sound effect directions, so that an omnidirectional stereo sound effect is realized.

Each module and each element can be realized by designing and building a device circuit and a link circuit during the period supplied by the existing manufacturer, each module and a signal link thereof can be built according to different periods, different application requirements are met, and a person skilled in the art can select and use the modules and the signal links in a matched manner as required.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims (4)

1. A multi-functional shadow K device which characterized in that: comprises a frequency mixer (1), a microphone audio input module (2), a music audio input module (3), an audio and video input module (4) and six groups of audio output modules (5), wherein the microphone audio input module (2) comprises a microphone signal input channel, a microphone level detector, a noise gate, a microphone volume controller, a microphone 16-section parameter equalizer, a frequency divider, a compressor, a frequency shifter, an effect total volume controller and two 3-section balance high-low pass filters, wherein the microphone signal input channel, the microphone level detector, the noise gate, the microphone volume controller, the microphone 16-section parameter equalizer, the frequency divider, the compressor and the frequency shifter are sequentially connected in series, the frequency shifter is also respectively connected with the frequency mixer (1) and the effect total volume controller, the effect total volume controller is respectively connected with the two 3-section balance high-low pass filters, the music audio input module (3) comprises an audio signal selector, a music level detector, a music noise gate, a music volume controller and 16 sections of music balanced high-low pass filters which are sequentially connected, wherein the 13 sections of music balanced high-low pass filters are connected with the mixer (1); the audio and video input module (4) comprises a plurality of audio and video input channels and an audio and video decoder, and the audio and video decoder is respectively connected with the plurality of audio and video input channels and the mixer (1); each group of audio output module (5) comprises 5 sections of balanced high-low pass filters, a gain controller, an amplitude limiting controller, a delay controller, a mute controller and an audio output channel which are connected in sequence, wherein the 5 sections of balanced high-low pass filters are connected with the frequency mixer (1).

2. The multifunctional shadow K device of claim 1, wherein: the two 3-section equalizing high-low pass filters respectively output ECHO and Reverb sound effects to the mixer (1).

3. The multifunctional shadow K device of claim 1, wherein: the audio signal selector is provided with an AUX input interface, a BLT input interface and an MP3 input interface.

4. The multifunctional shadow K device of claim 1, wherein: the audio and video input channel is provided with an ARC interface, an OPT/COX interface and three HDMI interfaces.

Images