CN213880236U - Sound effect conversion device - Google Patents

Abstract

The utility model relates to an audio effect conversion equipment, which comprises a controller, an audio power amplifier chip for handling audio signal developments, the terminal interface, and the playback devices interface, audio power amplifier chip is connected to the controller electricity respectively, terminal interface and playback devices interface, wherein, the terminal interface is used for being connected with outside terminal, the playback devices interface is used for establishing with outside playback devices and is connected, the controller acquires the audio signal at terminal through the terminal interface, and carry this audio signal to audio power amplifier chip and handle, audio power amplifier chip carries the audio signal after will handling to the playback devices broadcast through the playback devices interface.

Description

Sound effect conversion device

Technical Field

The utility model relates to an audio playback technical field, in particular to audio conversion equipment.

Background

In the field of audio playing, in order to obtain a better audio-visual effect, audio needs to be dynamically rendered and modified sometimes, but part of audio playing devices or programs do not have the function of dynamically rendering and modifying audio, and therefore, a part of high-end earphones are provided with the function of playing audio signals transmitted to the earphones after being dynamically rendered and modified, but the earphones are usually very expensive and hard to bear by consumers, and the cheaper earphones do not have the function of dynamically rendering and modifying audio signals.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sound effect conversion equipment's hardware architecture, programmers can carry out the audio signal of terminal broadcast and carry out the dynamic rendering and decorate the back and transmit for the playback devices broadcast to this hardware architecture programming back.

Therefore, the audio effect conversion device comprises a controller, an audio power amplifier chip for dynamically processing audio signals, a terminal interface and a playing device interface, wherein the controller is electrically connected with the audio power amplifier chip, the terminal interface and the playing device interface respectively, the terminal interface is used for being connected with an external terminal, the playing device interface is used for being connected with an external playing device, the controller acquires the audio signals of the terminal through the terminal interface and conveys the audio signals to the audio power amplifier chip for processing, and the audio power amplifier chip conveys the processed audio signals to the playing device through the playing device interface for playing.

The controller is electrically connected with the memory and the information input circuit respectively, a plurality of audio processing schemes are stored in the memory, the controller acquires information input by a user through the information input circuit, selects any one of the audio processing schemes stored in the memory according to the information, and then sets the audio power amplifier chip according to sound effect parameters of the selected audio processing scheme.

The LED audio conversion device comprises a memory, a controller and an LED indicating circuit, wherein the number of the LED channels is the same as that of audio processing schemes in the memory, each LED channel comprises at least one LED lamp connected in series, the controller is electrically connected with each LED channel, each LED channel corresponds to a preset audio processing scheme in the memory, and the controller enables the LED lamps on the LED channels to emit light by selecting the LED channels corresponding to the current audio processing schemes, so that the audio processing schemes in which the current audio conversion device operates are displayed for a user.

Further, the playing device interface includes a speaker interface and a microphone interface, and the controller acquires a microphone audio signal captured by the microphone through the microphone interface, processes the microphone audio signal, and transmits the processed microphone audio signal to the external terminal through the terminal interface.

Further, the processing of the microphone audio signal by the controller includes filtering and howling removal.

Further, the controller is specifically an HS390 chip.

Further, the audio power amplifier chip is specifically an HX _5900 chip.

Further, the memory is embodied as a 24C04 chip.

Further, the terminal interface is specifically a USB interface.

Further, the information input circuit is specifically a key circuit.

Has the advantages that:

the sound effect conversion device obtains the played audio information from the terminal, dynamically renders and modifies the audio information and transmits the audio information to an external playing terminal, so that the earphone without the function of dynamically rendering and modifying the audio signal can also play and modify the modified audio signal, and a user does not need to purchase an expensive earphone with the function of dynamically rendering and modifying the audio signal.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like elements throughout the drawings. In the drawings:

fig. 1 shows a system block diagram of the sound effect conversion device of the present invention;

FIG. 2 shows the sound power amplifier circuit diagram of the present invention

Fig. 3 shows a circuit diagram of the controller of the present invention;

FIG. 4 shows a memory circuit diagram of the present invention;

fig. 5 shows a left and right speaker interface circuit diagram of the present invention;

fig. 6 shows a circuit diagram of a microphone interface of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, the sound effect conversion device of this embodiment includes a controller 1, a memory 2, an audio power amplifier chip 3, a USB interface 4, a key circuit 6, an LED indicating circuit 7, and a playing device interface 5, where the controller 1 is electrically connected to the memory 2, the audio power amplifier chip 3, the USB interface 4, the key circuit 6, the LED indicating circuit 7, and the playing device interface 5, respectively.

Wherein, the USB interface 4 is used for connecting with external terminals such as mobile phones, walkman, computers and the like, the controller 1 establishes communication with an external terminal through the USB interface 4 to obtain audio signals to be processed, the memory 2 stores preset sound effect parameters corresponding to four audio processing schemes, the playing device interface 5 is used for establishing communication connection with external playing devices such as earphones and sound boxes, the controller 1 transmits the processed audio signals to the playing device through the playing device interface 5 for playing, the LED indicating circuit 7 comprises 4 LED channels, each LED channel corresponds to one audio processing scheme preset in the memory 2, each LED channel comprises an LED lamp, and the controller 1 enables the LEDs on the LED channels to emit light by selecting the corresponding LED channels, so that the audio processing scheme of the current sound effect conversion device operated by the user is shown.

When in work, an audio processing scheme is selected through the key circuit 6, the controller 1 acquires the sound effect parameters of the corresponding scheme on the memory 2, and sets the audio power amplifier chip 3 according to the parameters, so that the audio power amplifier chip 3 operates in a corresponding audio processing scheme, then establishes communication with the external terminal and the playing device respectively through the USB interface 4 and the playing device interface 5, then, an audio file is played on an external terminal, the controller 1 inputs an audio signal acquired from the external terminal into the audio power amplifier chip 3, the audio power amplifier chip 3 dynamically performs gain, balance and other processing on each frequency band of the audio signal, the audio power amplifier chip 3 processes the audio signal and then transmits the processed audio signal back to the controller 1, and the controller 1 transmits the processed audio signal to an external playing device through the playing device interface 5 and plays the audio signal through a loudspeaker of the playing device.

Referring to fig. 2-4, the controller 1 of the present embodiment is specifically an HS390 chip, the audio power amplifier chip 3 is specifically an HX _5900 chip, and the memory 2 is specifically a 24C04 chip.

In this embodiment, the audio processing schemes stored in the memory 2 are four types as follows:

the original sound is output without any audio dynamic rendering modification, and the sound effect of the original sound is restored in a high-resolution lossless manner.

And in the 3D surround mode, the audio output of the audio equipment is output, dynamic audio optimization rendering processing is carried out at any time through different algorithms of the MCU on audio frequency bands, and the widest rendering audio time can reach 1.5ms, so that the feeling of creating surround sound by sound impact can be increased on stereo playing equipment, and the similar surround sound effect of a game hall and a movie theater can be experienced.

The bass enhancement mode, according to the different frequency response characteristics of reality between the playback devices 20HZ-350HZ, 350HZ-600HZ, to the bass response outstanding inadequately, carry out the promotion reinforcing of different degree, reach the effect of bass enhancement, the middle bass is like: the drum sound and the bass voice have obvious enhancement effect.

3D surround mode + BASS BASS enhancement mode, 3D sound increase impact force and surround sound, and the realistic sound field actual environment that embodies, BASS BASS carry out the promotion reinforcing of different degree at the BASS of 20HZ-6000HZ frequency channel, and both gain compensation each other takes you to get into personally on the scene: the sound in the game can identify the direction of the sound, and the accompanying sound of a certain musical instrument can be heard when a popular song is played.

The playing device interface 5 of this embodiment includes a left and right speaker interface as shown in fig. 5 and a microphone interface as shown in fig. 6, the speaker interface and the microphone interface may be the same interface or may be two independent interfaces, and the controller 1 acquires an audio signal captured by the microphone through the microphone interface, and transmits the audio signal to the external terminal through the USB interface 4 after performing processing such as filtering and howling elimination on the audio signal.

It should be noted that the USB interface 4 in this embodiment may be replaced by another interface for establishing connection with an external terminal, and the key circuit 6 may be replaced by another information input circuit such as a touch panel circuit.

It should be finally noted that the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims (9)

1. An audio effect conversion device is characterized in that: the audio signal processing device comprises a controller (1), an audio power amplifier chip (3) used for dynamically processing an audio signal, a terminal interface used for being connected with an external terminal and a playing device interface (5) used for being connected with an external playing device, wherein the controller (1) is respectively and electrically connected with the audio power amplifier chip (3), the terminal interface and the playing device interface (5).

2. The sound effect conversion device according to claim 1, wherein: the intelligent control system is characterized by further comprising a memory (2) and an information input circuit, wherein the controller (1) is electrically connected with the memory (2) and the information input circuit respectively.

3. The sound effect conversion device according to claim 2, wherein: the LED audio processing system is characterized by further comprising an LED indicating circuit (7), wherein the LED indicating circuit (7) comprises LED channels the number of which is the same as that of the audio processing schemes in the memory, each LED channel comprises at least one LED lamp connected in series, and the controller (1) is electrically connected with each LED channel respectively.

4. The sound effect conversion device according to claim 1, wherein: the playing equipment interface (5) comprises a loudspeaker interface and a microphone interface, and the controller (1) is electrically connected with the loudspeaker interface and the microphone interface respectively.

5. The sound effect conversion device according to claim 1, wherein: the controller (1) is specifically an HS390 chip.

6. The sound effect conversion device according to claim 1, wherein: the audio power amplifier chip (3) is specifically an HX _5900 chip.

7. The sound effect conversion device according to claim 2, wherein: the memory (2) is specifically a 24C04 chip.

8. The sound effect conversion device according to claim 2, wherein: the terminal interface is specifically a USB interface (4).

9. The sound effect conversion device according to claim 2, wherein: the information input circuit is specifically a key circuit (6).

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