CN214045650U - Digital sound console with RTA real-time frequency spectrum display function - Google Patents

Abstract

The utility model belongs to the technical field of the stereo set, it discloses a digital sound console with RTA real-time frequency spectrum shows function, including the sound console body, this internal controller that is equipped with of sound console still includes display screen, LCD interface, I2S interface, be connected with DSP digital signal processor on the I2S interface, the display screen is connected on the LCD interface, I2S are connected to the controller respectively. The sound console needs to collect 96-point signals of analog-to-digital sound signals through a DSP (digital signal processor) and output the signals to a value controller in a digital form, the controller is output to an intelligent hardware display screen through an LCD (liquid crystal display) interface to be displayed, and the signals are dynamically output on the display screen in a graphical mode for a user to analyze so as to determine a howling point.

Description

Digital sound console with RTA real-time frequency spectrum display function

Technical Field

The utility model relates to a stereo set field specifically is a digital sound console with RTA real-time frequency spectrum display function.

Background

The domestic digital sound console is in the research and development popularization stage, the application of the RTA real-time frequency spectrum function in the digital sound console is very effective and practical, and the RTA real-time frequency spectrum function can be embodied only in imported products at present. Imported products need to be equipped with a large number of electronic components to realize the real-time RTA spectrum function.

Therefore, the technical problem to be solved by the application is as follows: how to realize the RTA real-time spectrum function of the digital sound mixing console to determine the howling point.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digital sound console with RTA real-time spectrum shows function, the sound console will realize that this function must gather and with digital form output value controller to the 96 signal of the sound signal of analog-to-digital conversion through DSP digital signal processor, the controller passes through the LCD interface and exports the enterprising line display of intelligent hardware display screen, output with the mode of graphics ization is dynamic on the display screen, supply user analysis, with confirm the point of whistling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a digital sound console with RTA real-time frequency spectrum shows function, includes the sound console body, this internal controller that is equipped with of sound console still includes display screen, LCD interface, I2S interface, be connected with DSP digital signal processor on the I2S interface, the display screen is connected on the LCD interface, I2S are connected to the controller respectively.

The digital sound console with the RTA real-time frequency spectrum display function further comprises an RS-644 bus interface, an ASRC interface, a USB OTG interface, a DSI interface, a CSI interface, a CSIO interface, a CAN interface, a GPIO interface, an HDMI interface, an ENET interface, an EIM interface, an RGM interface, a USB HOST interface, an I2C interface and a UART interface;

the RS-644 bus interface, the ASRC interface, the USB OTG interface, the DSI interface, the CSI interface, the CSIO interface, the CAN interface, the GPIO interface, the HDMI interface, the ENET interface, the EIM interface, the RGM interface, the USB HOST interface, the I2C interface and the UART interface are electrically connected to the controller respectively.

In the digital sound mixing console with the RTA real-time spectrum display function, the model of the controller is IMX6 SDL.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a I2S interface connection DSP digital signal processor, the algorithm that adopts real-time spectral analysis is the signal of 96 points of sound signal and will gather to dynamic demonstration signal state on the display screen can help the user to fix a position the source of whistling fast in the use, thereby the effectual solution problem of whistling.

Drawings

Fig. 1 is a structural diagram of embodiment 1 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, a digital sound console with an RTA real-time spectrum display function includes a sound console body, a controller 1 is arranged in the sound console body, the sound console also includes a display screen 2, an LCD interface 3, and an I2S interface 4, a DSP digital signal processor 5 is connected to the I2S interface 4, the display screen 2 is connected to the LCD interface 3, and the LCD interface 3 and the I2S are respectively electrically connected to the controller 1(IMX 6 SDL).

The working process is as follows: the DSP digital signal processor 5 carries out systematic real-time analysis on 96-point signals of the sound signals subjected to analog-to-digital conversion, analysis results are sent to the controller 1, the controller 1 outputs the analysis results to the intelligent display hardware display screen 2 through the LCD interface 3 to be displayed and updated in real time, images are displayed in a curve form, and a user can quickly find howling points.

In this embodiment, the device further includes an RS-644 bus interface 6, an ASRC interface 7, a USB OTG interface 8, a DSI interface 9, a CSI interface 10, a CSIO interface 11, a CAN interface 12, a GPIO interface 13, an HDMI interface 14, an ENET interface 15, an EIM interface 16, an RGM interface 17, a USB HOST interface 18, an I2C interface 19, and a UART interface 20;

the RS-644 bus interface 6, the ASRC interface 7, the USB OTG interface 8, the DSI interface 9, the CSI interface 10, the CSIO interface 11, the CAN interface 12, the GPIO interface 13, the HDMI interface 14, the ENET interface 15, the EIM interface, the RGM interface 17, the USB HOST interface 18, the I2C interface and the UART interface 20 are electrically connected to the controller 1 respectively.

Specifically, the components function as follows:

the controller 1: processing the data;

the HDMI interface 14: and outputting the display interface output by the controller 1 to an external display screen 2.

RS-644 bus interface 6: the LVDS digital interface transmits and supports 8 to 16bit data entry formats.

USB OTG interface 8: the interface is used for realizing data transmission between two devices under the condition that the Device connected to the interface does not specify a main Device, when the interface is connected to a computer, the Device corresponding to the interface is a slave Device, and when a peripheral USB/SD Device is inserted into the Device corresponding to the interface, the Device is a main Device;

DSI interface 9: is used for being externally connected with a display screen 2;

CAN interface 12: an interface suitable for a CAN bus protocol;

CSIO interface 11: a general serial data communication interface;

GPIO interface 13: a general-purpose input/output interface;

LCD interface 3: a display screen 2 interface;

EIM interface: an interface adapted for an EIM bus;

USB HOST interface 18: a USB host device interface;

I2S interface 4: an audio bus interface is arranged in the integrated circuit;

I2C interface: a simple, bi-directional two-wire synchronous serial bus interface developed by Philips corporation;

UART: a universal asynchronous receiver transmitter.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (3)

1. The utility model provides a digital sound console with RTA real-time frequency spectrum shows function, includes the sound console body, this internal controller that is equipped with of sound console, its characterized in that still includes display screen, LCD interface, I2S interface, be connected with DSP digital signal processor on the I2S interface, the display screen is connected on the LCD interface, I2S are connected to the controller respectively.

2. The digital sound console with RTA real-time spectrum display function of claim 1, further comprising RS-644 bus interface, ASRC interface, USB OTG interface, DSI interface, CSI interface, CSIO interface, CAN interface, GPIO interface, HDMI interface, ENET interface, EIM interface, RGM interface, USB HOST interface, I2C interface, UART interface;

the RS-644 bus interface, the ASRC interface, the USB OTG interface, the DSI interface, the CSI interface, the CSIO interface, the CAN interface, the GPIO interface, the HDMI interface, the ENET interface, the EIM interface, the RGM interface, the USB HOST interface, the I2C interface and the UART interface are electrically connected to the controller respectively.

3. The digital sound mixing console with RTA real-time frequency spectrum display function according to claim 1, wherein the controller is IMX6SDL model.

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