CN213935631U

CN213935631U - Vibration pickup

Info

Publication number: CN213935631U
Application number: CN202022347594.7U
Authority: CN
Inventors: 李国飞; 周卫星
Original assignee: Joyo Technology Co ltd
Current assignee: Joyo Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-10
Anticipated expiration: 2030-10-21

Abstract

The utility model belongs to the technical field of the adapter, especially, add adapter that shakes can not promote and beautify the tone quality of musical instrument to current adapter to the tone quality more single problem that sends, the scheme as follows is now proposed, it includes digital audio processor, be connected with the modulus on the digital audio processor, be connected with buffer amplifier on the modulus, be connected with piezoelectricity pickup sensor on the buffer amplifier, be connected with accumulator, screen display on the digital audio processor, USB interface and three encoder, three encoder is BASS encoder 1, TRBLE encoder 2 and VOLUME encoder 3 respectively, be connected with digifax 1 and digifax 2 on the digital audio processor, be connected with linear amplifier on the digifax 1, be connected with the signal output port interface on the linear amplifier, be connected with CLASS-D amplifier on the digifax 2. The utility model discloses well adapter has the sound effect function of adding the vibration, can promote and beautify the tone quality of musical instrument.

Description

Vibration pickup

Technical Field

The invention relates to the technical field of sound pick-up devices, in particular to a vibration-adding sound pick-up device.

Background

The sound emitted by the pickups of the traditional instruments such as the wooden guitar, the ukraini, the violin and the like is converted into an electric signal through the piezoelectric type or coil type pickups, and then the loudspeaker is driven to produce sound.

In the prior art (the signal amplification principle of a piezoelectric or coil type sound pick-up), an impulse response-hereinafter referred to as ir (impulse response) sound production principle is combined, and the prior sound pick-up cannot improve and beautify the tone of a musical instrument and the emitted tone is single.

Disclosure of Invention

The invention aims to solve the defects that the tone of a musical instrument cannot be improved and beautified and the tone of the sound emitted by the existing sound pickup is single, and provides a vibration sound pickup.

In order to achieve the purpose, the invention adopts the following technical scheme:

add the adapter that shakes, including digital audio processor, be connected with the modulus on the digital audio processor, be connected with buffer amplifier on the modulus, be connected with piezoelectricity pickup sensor on the buffer amplifier, be connected with the accumulator on the digital audio processor, the screen display, USB interface and three encoder, three encoder is BASS encoder 1 respectively, TRABLE encoder 2 and VOLUME encoder 3, be connected with digifax 1 and digifax 2 on the digital audio processor, be connected with linear amplifier on the digifax 1, be connected with the signal output port interface on the linear amplifier, be connected with CLASS-D amplifier on the digifax 2, be connected with the speaker that shakes on the CLASS-D amplifier.

Preferably, the signal output port interface is a 6.35mm signal output interface.

Preferably, the USB interface is a USB live interface.

Preferably, the digital audio processor comprises a synthesizer, the synthesizer is connected with a digital-analog 1 and a digital-analog 2, and a drum sound effect and two reverberation are connected to the synthesizer.

Preferably, the two reverberations are respectively connected with a modulus 1 and a modulus 2, and a delay and chorus are connected between the modulus 2 and the reverberations.

Preferably, the digital audio processor is connected with GTONG, MTONG and GVOLUME.

Compared with the prior art, the invention has the advantages that:

(1) under the existing technology (piezoelectric or coil type pickup signal amplification principle), the sound production principle of impulse response-hereinafter referred to as IR (impulse response) is combined, the string resonance signals of instruments such as an acoustic guitar and the like are picked up by the piezoelectric and coil type pickup devices to be used as source signals, and the IR loading playing program (CONVOLUTION reverberation-compatibility REVERB) built in a DSP chip and target IR signals are calculated and finally output to sound reinforcement equipment;

(2) the convolution reverberation is used for calculating and playing IR files, and generates a final electric signal to be output to sound amplification equipment after the acoustic characteristics of the source signal are consistent with those of the target signal through calculation.

The sound pick-up has the function of enhancing the sound effect of vibration, and can improve and beautify the tone of the musical instrument.

Drawings

Fig. 1 is a schematic block diagram of a vibration pickup according to the present invention;

fig. 2 is a schematic diagram of a digital audio processor of a vibration pickup according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, the vibration pickup includes a digital audio processor, which calculates an IR load play program (CONVOLUTION reverberation-conversion-REVERB) in a memory and a target IR signal through a DSP chip and finally outputs a required digital signal; the digital audio processor is connected with an analog-digital converter which can convert an analog signal into a digital signal; the analog-digital converter is connected with a buffer amplifier, and the buffer amplifier can amplify the piezoelectric signal and convert the high-impedance signal into a low-impedance signal; the buffer amplifier is connected with a piezoelectric pickup sensor which can convert the vibration of strings of the guitar into electric signals; the digital audio processor is connected with a memory, a screen display, a USB interface and three encoders, and the memory can store IR digital plug-in signals and programs; the USB interface can be connected with an IR plug-in signal or a program of a computer updating memory; the screen display can display information such as volume, electric quantity, reverberation, chorus, vibrato and the like; the three encoders are respectively a BASS encoder 1, a TRABLE encoder 2 and a VOLUME encoder 3, the BASS encoder 1 can control BASS and enter an effect regulation mode by only pressing; the TRBLE encoder 2 can control TREBLE, and a single key enters a mode of a tuning table; the VOLUME encoder 3 has the functions of power on/off and VOLUME control, and enters an IR tone color selection mode by pressing; the digital audio processor is connected with a digital-to-analog 1 and a digital-to-analog 2, and the digital-to-analog 1 can convert digital signals into analog signals; the analog-to-digital 2 can convert a digital signal into an analog signal; the digital-analog 1 is connected with a linear amplifier, the linear amplifier is connected with a signal output port interface, and the linear amplifier can amplify the analog signal output by the digital-analog 1 and output the analog signal to a 6.35mm signal output interface; the digital-analog 2 is connected with a CLASS-D amplifier, the CLASS-D amplifier is connected with a vibration loudspeaker, and the CLASS-D amplifier can amplify the power of a voltage signal output by the digital-analog 2 and drive the vibration loudspeaker (vibration loudspeaker box).

In this embodiment, the signal output port interface is a 6.35mm signal output interface.

In this embodiment, the USB interface is a USB live interface.

In this embodiment, the digital audio processor includes a synthesizer, the synthesizer is connected to the digital-analog 1 and the digital-analog 2, and the synthesizer is connected to a drum sound effect and two reverberations.

In this embodiment, the two reverberations are respectively connected to a modulus 1 and a modulus 2, and a delay and chorus are connected between the modulus 2 and the reverberations.

In this embodiment, the digital audio processor is connected to GTONG, MTONG, and GVOLUME.

In this embodiment, the input signal of the pickup comes from the pickup rod (piezoelectric pickup sensor) of the musical instruments such as guitar, etc., and is input to the analog-to-digital conversion chip after being transformed and amplified by the operational amplifier impedance, then the analog signal is converted into the pulse digital signal, the pulse digital signal is modulated by the digital audio processor from the IR music plug-in sampling signal (such as the digital sampling signal of wood guitar, the digital sampling signal of electric guitar, the digital sampling signal of erhu, etc.) stored in the memory in advance and then is processed by the digital processing (such as the sound effect processing of time delay, reverberation, chorus, vibrato, space, etc.), the processed digital signal is sequentially transmitted to the digital-to-analog converter one by one to be converted into the analog signal, the two signals are transmitted through the digital-to-analog 1 and the digital-to-analog 2, one of them is processed by the linear amplifier and output by the 6.35mm signal output interface, which can be connected with the sound box equipment of the musical instruments such as guitar, etc. and other equipment, and the other path of analog signal is subjected to CLASS-D amplifier CLASS power amplification to drive the vibration-adding bass loudspeaker box, so that the vibration-adding sound effect is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The vibration adding pickup comprises a digital audio processor and is characterized in that an analog module is connected to the digital audio processor, a buffer amplifier is connected to the analog module, a piezoelectric pickup sensor is connected to the buffer amplifier, a storage device, a screen display, a USB interface and three encoders are connected to the digital audio processor, the three encoders are respectively BASS encoder 1, TRABLE encoder 2 and VOLUME encoder 3, digital audio processor is connected with digital-analog 1 and digital-analog 2, digital-analog 1 is connected with a linear amplifier, the linear amplifier is connected with a signal output port interface, digital-analog 2 is connected with a CLASS-D amplifier, and the CLASS-D amplifier is connected with a vibration adding loudspeaker.

2. The vibrating pick-up of claim 1, wherein the signal output port interface is a 6.35mm signal output port.

3. The vibration pickup according to claim 1, wherein the USB interface is a USB live interface.

4. The vibrating microphone of claim 1 wherein the digital audio processor comprises a synthesizer, the synthesizer being connected to a digital-to-analog 1 and a digital-to-analog 2, the synthesizer having a drum effect and two reverberations connected thereto.

5. The vibrating microphone of claim 1, wherein the two reverberations are respectively connected to a modulus 1 and a modulus 2, and a delay and chorus are connected between the modulus 2 and the reverberations.