CN207910875U - From recording playback special efficacy sound live broadcast device - Google Patents

Abstract

The utility model discloses be broadcast live from recording playback special efficacy sound.It is described from recording playback special efficacy sound live broadcast device include shell and pedestal.There is the location hole with screw fit, the shell to be fixedly connected with pedestal by above-mentioned screw for the upper surface of the shell.The upper surface of the shell is equipped with recording playback button and the first special efficacy key to the 8th special efficacy key.The side wall of the pedestal is equipped with USB interface, AUDIO interfaces, microphone input interface, earphone microphone interface.The shell and pedestal, which inwardly surround, forms accommodating chamber, and above-mentioned accommodating chamber is built-in with control circuit board.It is disclosed by the utility model voluntarily to replace the special efficacy sound audio for being built in live broadcast device from recording playback special efficacy sound live broadcast device, by the various ways such as wireless, wired special efficacy sound audio is inputted to live broadcast device.

Description

Self-recording and playing special effects audio live broadcast device

technical field

The utility model belongs to the technical field of live broadcast equipment, in particular to a self-recording and playback special effect sound live broadcast device.

Background technique

Emerging business forms such as webcasting are in the ascendant. In order to adapt to popular applications such as online live broadcast, karaoke, and short video, sound effect control is particularly important. Just like beautifying photos, special sound effects can effectively "beautify" the audio, adding various special effects to the audio output, greatly enhancing the charm of the sound.

Existing live broadcast equipment usually has built-in special sound effects. However, the special effects sounds built into the live broadcast equipment have a limited number of choices for users, and they cannot be changed or replaced by themselves, so that the audio can only be switched among several existing special effects sounds when outputting, which will easily lead to audience fatigue, and further Reduce the attention and attractiveness of live broadcast, karaoke, short video and other formats.

Utility model content

Aiming at the status of the prior art, the utility model provides a self-recording and playback special effect sound live broadcast device.

The utility model adopts the following technical scheme, the self-recording and playback special effect sound live broadcast device includes a shell and a base, wherein:

The upper surface of the housing has a positioning hole matched with a screw, and the housing is fixedly connected to the base through the screw;

The upper surface of the housing is provided with a recording and playback button and the first to eighth special effect sound keys;

The side wall of the base is provided with a USB interface, an AUDIO interface, a microphone input interface, and a headset interface;

The casing and the base are inwardly surrounded to form an accommodating cavity, and a control circuit board is built in the aforesaid accommodating cavity, and the recording and playback button and the first special effect sound key to the eighth special effect sound key are respectively connected to the key circuits corresponding to the control circuit board through cables Electrically connected, the USB interface, the AUDIO interface, the microphone input interface, and the headset interface are respectively electrically connected to the input circuit corresponding to the control circuit board through cables.

According to the above technical solution, the upper surface of the housing is further provided with a monitoring key and a monitoring on key, and the monitoring key and the monitoring on key are respectively electrically connected to the corresponding key circuits of the control circuit board through cables.

According to the above technical solution, the upper surface of the housing is further provided with a first volume adjustment knob and a second volume adjustment knob, and the first volume adjustment knob and the second volume adjustment knob are respectively connected to the corresponding ports of the control circuit board through cables. The control circuit is electrically connected.

According to the above technical solution, several LED indicator lights are also provided on the upper surface of the housing.

The utility model discloses a self-recording and playback special effect audio live broadcast device, which has the beneficial effect that it can replace the special effect audio built in the live broadcast device by itself, and input the special effect audio to the live broadcast device through wireless, wired and other ways.

Description of drawings

Fig. 1 is a schematic structural diagram of a self-recording and playback special effect sound live broadcast device in a preferred embodiment of the present invention.

Fig. 2 is a top view structural diagram of a self-recording and playback special effect sound live broadcast device in a preferred embodiment of the present invention.

Fig. 3 is a schematic circuit diagram of a self-recording and playback special effect sound live broadcast device in a preferred embodiment of the present invention.

Fig. 4 is a flowchart of a preferred embodiment of the utility model.

Reference signs include: 10-housing; 11-positioning hole; 12-recording and playback button; 13-monitoring key; 14-monitoring open key; 15-first volume adjustment knob; 16-second volume adjustment knob; 17-LED Indicator light; 21 to 28-the first special effect sound key to the eighth special effect sound key; 30-base.

Detailed ways

The utility model discloses a self-recording and playback special effect sound live broadcast device. The specific implementation of the utility model will be further described below in combination with preferred embodiments.

Referring to Fig. 1 and Fig. 2 of the accompanying drawings, Fig. 1 and Fig. 2 respectively show the specific structure of the self-recording and playback special effect sound live broadcast device.

Preferably, the self-recording and playback special effect sound live broadcast device includes a housing 10 and a base 30, wherein:

The upper surface of the housing 10 has a positioning hole 11 that is matched with a screw, and the housing 10 is fixedly connected to the base 30 through the above-mentioned screw;

The upper surface of the housing 10 is provided with a recording and playback button 12 and the first to eighth special effect sound keys 21-28;

The side wall of the base 30 is provided with a USB interface (including a TYPE-C interface), an AUDIO interface, a microphone input interface, and a headset interface (not shown in the figure);

The casing 10 and the base 30 surround inwardly to form an accommodating chamber, the aforesaid accommodating chamber is built with a control circuit board (see Fig. 3 of the accompanying drawings), the recording and playback button 12 and the first to eighth special effect sound keys 21 -28 are respectively electrically connected to the key circuit corresponding to the control circuit board through cables, and the USB interface, the AUDIO interface, the microphone input interface and the headset interface are respectively electrically connected to the input circuit corresponding to the control circuit board through cables.

Preferably, a monitor key 13 and a monitor on key 14 are provided on the upper surface of the housing 10, and the monitor key 13 and the monitor on key 14 are respectively electrically connected to the corresponding key circuits of the control circuit board through cables. Wherein, the monitor key 13 and the monitor on key 14 can also be multiplexed as special effect sound keys as supplements to the first to eighth special effect sound keys 21-28. Wherein, the preset (replaceable) special effect sound effects of the first to eighth special effect sound keys 21-28 are slapping, crow, screaming, cheap laughing, meme, applause, laughter, contempt.

Preferably, the upper surface of the housing 10 is also provided with a first volume adjustment knob 15 and a second volume adjustment knob 16, and the first volume adjustment knob 15 and the second volume adjustment knob 16 are respectively connected to the control circuit through a cable. The control circuit corresponding to the board is electrically connected. Wherein, the first volume adjustment knob 15 is used to adjust the reverberation volume, and the second volume adjustment knob 16 is used to adjust the microphone volume.

Preferably, several LED indicator lights 17 are provided on the upper surface of the housing 10, and each LED indicator light 17 is respectively connected to a corresponding LED indicator circuit of the control circuit board through a cable.

Preferably, the control circuit board is further provided with a Bluetooth module, and the Bluetooth module is used for receiving analog audio or digital audio (from a smart device terminal, such as a smart phone). Wherein, the bluetooth module is one of the wireless near field communication methods, those skilled in the art should note that the input of analog audio or digital audio can also be realized through other wireless near field communication methods. At the same time, the bluetooth module can adopt mature existing technology in this field, and its specific circuit structure and connection mode should be regarded as prior art by those skilled in the art. Wherein, the above-mentioned USB interface, AUDIO interface, microphone input interface and headset interface are used as wired input methods, which can also realize the input of analog audio or digital audio.

Referring to Fig. 4 of the accompanying drawings, wherein, during the recording process, enter the recording mode after pressing the recording and playback button in part D for 1 second (short press). Part A of the recording circuit first erases the previously recorded special effect audio, and then enters to record any one of the following three input methods.

Input method 1: Input the special effect sound to be recorded through the microphone or headset. After being amplified by the microphone pre-amplifier circuit of part G, it enters the special effect sound self-recording and playback circuit of part A (input circuit, ISD1730 of ISD1700 series, etc. can be used) to record and save. During the recording process, short press the playback button to exit the recording, or until the memory is full.

Input method 2: Input the special effect sound to be recorded through the 3.5 headphone socket or MICRO socket. After being processed by the DSP accompaniment of part C, it enters the special effect sound self-recording and playback circuit (same as above) of part A for recording and saving. During the recording process, short press the playback button to exit the recording, or until the memory is full.

Input method 3: The special effect sound to be recorded is wirelessly transmitted to the Bluetooth module arranged on the control circuit board through a smart device terminal (for example, a smart phone) through the Bluetooth protocol. After being processed by the DSP accompaniment of part C, it enters the special effect sound self-recording and playback circuit (same as above) of part A for recording and saving. During the recording process, short press the playback button to exit the recording, or until the memory is full.

Referring to Figure 4 of the accompanying drawings, wherein, during playback, short press the record playback button to enter the playback mode. Mix the special effects audio with human voice and accompaniment, and then output it to the amp for amplification and monitoring, and output it to live devices such as mobile phones or computers through the live interface.

For those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features, and any modifications made within the spirit and principles of the present utility model , equivalent replacement, improvement, etc., should be included in the protection scope of the present utility model.

Claims (4)

1. A self-recording and playback special effect sound live broadcast device, characterized in that it comprises a housing and a base, wherein: The upper surface of the housing has a positioning hole matched with a screw, and the housing is fixedly connected to the base through the screw; The upper surface of the housing is provided with a recording and playback button and the first to eighth special effect sound keys; The side wall of the base is provided with a USB interface, an AUDIO interface, a microphone input interface, and a headset interface; The casing and the base are inwardly surrounded to form an accommodating cavity, and a control circuit board is built in the aforesaid accommodating cavity, and the recording and playback button and the first special effect sound key to the eighth special effect sound key are respectively connected to the key circuits corresponding to the control circuit board through cables Electrically connected, the USB interface, the AUDIO interface, the microphone input interface, and the headset interface are respectively electrically connected to the input circuit corresponding to the control circuit board through cables. 2. The self-recording and playback special effect sound live broadcast device according to claim 1, characterized in that, the upper surface of the housing is also provided with a monitoring key and a monitoring open key, and the monitoring key and the monitoring open key are connected to each other by a cable respectively. The key circuit corresponding to the control circuit board is electrically connected. 3. The self-recording and playback special effect sound live broadcast device according to claim 1, characterized in that, the upper surface of the housing is also provided with a first volume adjustment knob and a second volume adjustment knob, and the first volume adjustment knob and the second volume adjustment knob The second volume adjustment knobs are respectively electrically connected to the control circuit corresponding to the control circuit board through cables. 4. The self-recording and playback special effect sound live broadcast device according to claim 1, characterized in that, a plurality of LED indicator lights are also provided on the upper surface of the housing.