TWM627377U - Multi-mode wireless microphone device - Google Patents

Abstract

This creation is a multi-mode wireless microphone device, which mainly includes wireless microphones with receiving/transmitting circuits, wireless receivers, and an external earphone microphone that can be connected to the wireless receivers. After the device is electrically connected with the corresponding output port, the wireless microphone provides the sound receiving function, and the wireless receiver has an external earphone microphone volume control circuit, which can control whether the audio signal is provided to the video recording device synchronously.

Description

Multi-Mode Wireless Microphone Unit

This creation is a wireless microphone device, especially a multi-mode wireless microphone device that can be connected to video and audio equipment.

With the increasing number of mobile phone functions and the massive development of various software and programs, many users have become Internet celebrities by becoming live broadcasters. However, whether they use programs such as YouTube or Douyin, in addition to In addition to the use of video and audio equipment (eg cell phones, digital cameras, video cameras), the most important thing is to use a wireless microphone to ensure the best sound reception.

In the conventional wireless microphone design, a wireless receiver is mainly used to connect the video and audio equipment, and the host (Internet celebrity, live broadcaster) uses the wireless microphone to control the audience. You will find that the audio and video are out of sync, there is no sound, a lot of noise occurs, or the host suddenly forgets the words... and many other problems, the reason is that the audio signal transmitted by the wireless microphone to the wireless receiver is not monitored synchronously, so that when there is a problem with the audio source signal It cannot be found immediately. In the end, either the video is deleted or a silent drama without sound is broadcast, and the host's forgetting words is an embarrassing scene. After all, suddenly forgetting words is an experience that ordinary people have once had, how to react on the spot or have a It is extremely important for relevant personnel to provide access prompts and prompts.

In view of the above-mentioned problems in the use of wireless microphones, the creator of Shenjue wireless microphones The use of devices has become more and more diversified, and a purely functional wireless microphone cannot meet the hosting needs of these Internet celebrities and live broadcasters. After careful consideration of the conditions of all parties, the composition of this device was finally created, which will completely solve the various deficiencies in the conventional use.

This creation is a multi-mode wireless microphone device, which mainly includes wireless microphones with receiving/transmitting circuits, wireless receivers, and an external earphone microphone that can be connected to the wireless receivers. After the device is electrically connected to the corresponding output port, the wireless microphone provides the sound receiving function, and the wireless receiver has an external headphone microphone volume control circuit, which can control whether the audio signal is provided to the video recording device synchronously. Can provide the following performance:

Due to the multi-mode wireless microphone device of this creation, in addition to the mode in which the wireless receiver can simply receive the audio signal provided by the wireless microphone to the video recording device, the connected external headphone microphone can also monitor the audio signal quality of the wireless microphone synchronously ( When simply monitoring, you can choose an external headset to avoid unnecessary audio signal interference when the volume control circuit of the external headset is turned on by mistake), and after the volume control circuit of the external headset is turned on, the external headset is provided synchronously. The audio source signal of the headset microphone is sent to the video recording device, forming a functional state in which the host uses the wireless microphone to control the audience, and the second person uses the external headset microphone to assist the access.

The multi-mode wireless microphone device of this creation includes wireless microphones with respective receiving/transmitting circuits, wireless receivers and an external earphone microphone that can be connected to the wireless receiver, so the host can connect an external earphone to the wireless microphone. rear with wireless receiver After the two-way transmission function of the external earphone microphone is activated (the adjustment button of the volume control circuit of the external earphone microphone should be turned to the minimum (closed) at this time, and its audio source signal will not be transmitted to the video and audio equipment), it can not only be used by the second person The external headphone microphone monitors the audio signal quality of the wireless microphone, and can provide access prompts and prompts for the host alone, making the entire video and audio production process smoother.

1: Wireless Microphone

11: Button control circuit

2: Wireless receiver

21: External headphone microphone volume control circuit

22: Three-stage active hardware anti-noise circuit

23: Recording volume control circuit

3: External headphone microphone

4: External headphones

10: Multi-mode wireless microphone device

[Figure 1] is a reference diagram of the structure configuration state of this creation.

[Figure 2] is the structure diagram of the wireless receiver of this creation.

[Fig. 3] is a reference diagram of the use mode of the block diagram of the creation structure.

[Figure 4] is a reference diagram of the second use mode of the block diagram of the creation structure.

[Figure 5] is a reference diagram of the third use mode of the block diagram of the creation structure.

[Figure 6] is a reference diagram of the fourth use mode of the block diagram of the authoring structure.

In order to enable your reviewers to truly understand the structure and composition of this creation and the functional benefits that can be achieved, the remaining examples are listed in conjunction with the drawings, and the detailed description is as follows:

This creation is a multi-mode wireless microphone device, which mainly includes a wireless microphone 1 with a receiving/transmitting circuit, a wireless receiver 2, and an external earphone microphone 3 that can be connected to the wireless receiver. The wireless receiver is composed of 2 After being electrically connected with the video recording device through the corresponding output port, the wireless microphone 1 provides the sound receiving function, and the wireless receiver 2 has an external earphone microphone volume control circuit 21 (as shown in Figures 1 and 2), which can Controls whether the audio source signal is provided to the video recording device synchronously, and the wireless microphone 1 can be connected to an external earphone The device 4 activates the two-way transmission function via the key control circuit 11 and the wireless receiver 2 (in this creative design, the two-way transmission function is activated by long pressing the power button after turning on the power button), and the external earphone 4 receives the external earphone microphone. 3 audio signal.

Among them, after the audio signal of the wireless microphone 1 is received by the wireless receiver 2, it is processed by the three-stage active hardware anti-noise circuit 22, the recording volume control circuit 23 and the internal audio circuit, and then provided to the video recording device (as shown in FIG. 3 ). shown).

The above-mentioned external headphone microphone volume control circuit 21 can not only adjust the size of the sound source signal of the external headphone microphone 3, but also can control whether the sound source signal is provided to the video recording device synchronously (the adjustment button of the external headphone microphone volume control circuit 21 is turned to When the minimum is turned off, it will not transmit its audio source signal to the video recording device).

It can be seen from the composition of the above components that the multi-mode wireless microphone device 10 of the present creation can only receive the audio signal provided by the wireless microphone 1 after receiving the sound by the wireless receiver 2, and then go through the above anti-noise and sound quality processing to record video and audio. In addition to the normal mode of the device (see Figure 3), the connected external earphone microphone 3 can also monitor the audio signal quality of the wireless microphone 1 synchronously (as shown in Figure 4). When simply monitoring, an external earphone 4 can be used. That is, to avoid unnecessary audio signal interference when the adjustment button of the volume control circuit 21 of the external earphone microphone is opened by mistake, and the control button of the recording volume control circuit 23 can adjust the recording volume control at any time), and connect the external After the headphone microphone volume control circuit 21 is turned on, the audio source signal of the external headphone microphone 3 is synchronously provided to the video recording device (as shown in Figure 5), so that the host uses the wireless microphone 1 to control the audience, and the second person uses the external type Another modal functional state of the headset microphone 3 auxiliary access.

Furthermore, the multi-mode wireless microphone device 10 of the present invention is 1. The wireless receivers 2 each have a structure of receiving/transmitting circuits, so in another mode, the host can start two-way transmission with the external earphone microphone 3 of the wireless receiver 2 after the wireless microphone 1 is connected to the external earphone 4 Function ((as shown in Figure 6) at this time, the adjustment button of the volume control circuit 21 of the external earphone microphone should be turned to the minimum (close), and its audio source signal will not be transmitted to the video and audio equipment), not only can the second person use the external The wireless microphone 3 can monitor the quality of the audio source signal of the wireless microphone 1, and can individually access the host's external earphone 4 for access prompts and prompts, making the entire video and audio production process smoother (the wireless microphone 1 in this creation is more based on demand. When the ambient noise is too large, its input port is connected to an external microphone for use, and the external earphone 4 is connected to its output port).

1: Wireless Microphone

11: Button control circuit

2: Wireless receiver

21: External headphone microphone volume control circuit

22: Three-stage active hardware anti-noise circuit

23: Recording volume control circuit

3: External headphone microphone

4: External headphones

10: Multi-mode wireless microphone device

Claims (2)

A multi-mode wireless microphone device mainly includes wireless microphones with respective receiving/transmitting circuits, wireless receivers and an external earphone microphone that can be connected to the wireless receivers, wherein the wireless receivers correspond to video and audio equipment. After the output port is electrically connected, the wireless microphone provides the sound receiving function, the external earphone microphone performs synchronous monitoring of the audio signal quality of the wireless microphone, and the wireless receiver has an external earphone microphone volume control circuit to control whether the audio signal is provided synchronously. For video recording equipment, and after the wireless microphone is connected to the external earphone through the key control circuit and the wireless receiver to activate the two-way transmission function, the external earphone of the wireless microphone receives the audio signal of the external earphone microphone of the wireless receiver. The multi-mode wireless microphone device according to claim 1, wherein after the wireless receiver receives the audio signal of the wireless microphone, it is processed by a three-stage active hardware anti-noise circuit, a recording volume control circuit and an internal audio circuit, and then provided to the wireless microphone. Video recording equipment.

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