Three-dimensional surround multichannel 8K player

Abstract

The utility model provides a three-dimensional surround multichannel 8K player and a playing method thereof. The three-dimensional surround multichannel 8K player comprises a power supply system which provides a power supply for each chip; the HI3796CV300 ultra-high-definition decoding chip is used for decoding the network real-time data stream after receiving the network real-time data stream, outputting one path of 8K video data stream of the HDMI 2.1 protocol to an input port of the 8K ultra-high-definition display screen, and simultaneously outputting three-dimensional multichannel audio data of the I2S protocol to an I2S input port of the PCM1690 I2S audio decoding chip; the PCM1690 I2S audio decoding chip is used for carrying out decoding processing on the I2S protocol three-dimensional multichannel audio data and outputting a three-dimensional surrounding multichannel differential analog signal to the SGM8903 front operational amplifier chip; and the SGM8903 preposed operational amplifier chip is used for performing preposed operational amplifier processing on the analog signals so as to output multichannel analog audio signals. According to the three-dimensional surround multichannel 8K player and the playing method, 8K ultra-high-definition video and three-dimensional surround multichannel cinema effects can be realized.

Description

Technical Field

[0001] The utility model relates to the field of 8K audio - video data playback, and in particular to a stereo surround multi - channel 8K player. Background Technique

[0002] With the development of artificial intelligence technology, especially the rapid maturity of the 8K ultra - high - definition video industry chain technology, a large number of modern artificial intelligence technologies have been applied to electronic products. Among them, the development of 8K Micro LED large - screen studio systems, 8K OLED display studio systems, and 8K home studio systems urgently requires a stereo surround multi - channel 8K player, an 8K large - screen, a stereo surround audio multi - channel power amplifier, and multi - channel speakers to form a stereo surround multi - channel 8K ultra - high - definition playback system to present 8K ultra - high - definition audio - video and stereo sound, achieving an unprecedented experience effect. Currently, there is no similar device in the market. There are only players with 4K high - definition video data stream output and stereo surround multi - channel audio analog signal output in the market.

[0003] The difficulty in solving the above problems and defects is that there is currently a lack of a stereo surround multi - channel player for high - definition video enhancement. The significance of solving the above problems is to improve the higher - quality reproduction effect of the combination of video and stereo audio. Content of the Utility Model

[0004] The utility model provides a stereo surround multi - channel 8K player and a playback method for providing 8K ultra - high - definition video signals and stereo surround multi - channel audio signals, sending them to an 8K display screen and a stereo surround multi - channel power amplifier to achieve 8K ultra - high - definition video and stereo surround multi - channel cinema effects.

[0005] The technical solution of the utility model is as follows:

[0006] According to one aspect of the utility model, a stereo surround multi - channel 8K player is provided, including: a power supply system: providing power supply for each chip; an HI3796CV300 ultra - high - definition decoding chip, after receiving the network real - time data stream, decoding and outputting a 1 - way HDMI2.1 protocol 8K video data stream to the input port of an 8K ultra - high - definition display screen, and at the same time outputting I2S protocol stereo multi - channel audio data to the I2S input port of a PCM1690 I2S audio decoding chip; a PCM1690 I2S audio decoding chip, decoding and processing the I2S protocol stereo multi - channel audio data and outputting stereo surround multi - channel differential analog signals to an SGM8903 pre - amplifier chip; and an SGM8903 pre - amplifier chip, used for pre - amplifier processing of analog signals to output multi - channel analog audio signals.

[0007] Optionally, in the above-mentioned three-dimensional surround multi-channel 8K player, the SGM8903 front-end operational amplifier chip amplifies the three-dimensional surround multi-channel differential analog signal to improve the signal-to-noise ratio and sends it to the power amplifier.

[0008] Optionally, in the above-mentioned three-dimensional surround multi-channel 8K player, the multi-channel analog audio signal includes left front surround, right front surround, center surround, subwoofer, left rear surround, right rear surround, left surround, right surround, empty left front, empty right front, empty left rear, and empty right rear.

[0009] According to another aspect of the present invention, there is provided a method of using the above-mentioned three-dimensional surround multi-channel 8K player: a power supply system provides a power supply for each chip; 8K data decoding: processed by the HI3796CV300 ultra-high-definition decoding chip. After receiving the network real-time data stream, the HI3796CV300 ultra-high-definition decoding chip decodes and outputs a 1-channel HDMI2.1 protocol 8K video data stream to the input port of the 8K ultra-high-definition display screen; at the same time, it outputs I2S protocol stereo multi-channel audio data to the I2S input port of the PCM1690I2S audio decoding chip; three-dimensional surround multi-channel processing: the I2S protocol stereo multi-channel audio data is decoded by the PCM1690 I2S audio decoding chip and then outputs a three-dimensional surround multi-channel differential analog signal to the SGM8903 front-end operational amplifier chip; multi-channel analog audio signal output: the SGM8903 front-end operational amplifier chip performs analog signal pre-amplification processing, amplifies the surround multi-channel differential analog signal to improve the signal-to-noise ratio and sends it to the power amplifier.

[0010] According to the technical solution of the present invention, the beneficial effects are as follows:

[0011] The three-dimensional surround multi-channel 8K ultra-high-definition player data playback system of the present invention processes the three-dimensional surround multi-audio and 8K ultra-high-definition video reproduction effects. The present invention realizes the output of 8K video data stream transmission through the HDMI2.1 protocol and the output of three-dimensional surround multi-channel audio analog signals, and realizes the 8K ultra-high-definition video reproduction and the effect experience of the three-dimensional surround multi-channel playback system.

[0012] In order to better understand and illustrate the concept, working principle and utility model effect of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and through specific embodiments: Description of the Drawings

[0013] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings required for the description of the specific embodiments or the prior art.

[0014] Figure 1 It is a schematic structural diagram of the three-dimensional surround multi-channel 8K player of the present invention;

[0015] Figure 2 It is the circuit structure diagram of the HI3796CV300 ultra-high definition decoding chip of the stereo surround multi-channel 8K player of the present utility model, showing the I2S output interface of the Hi3796CV300 chip;

[0016] Figure 3 It is the schematic circuit diagram of the I2S decoding for audio decoding and power supply of the stereo surround multi-channel 8K player of the present utility model;

[0017] Figure 4 It is the schematic circuit diagram of the audio three-dimensional surround multi-channel output interface of the stereo surround multi-channel 8K player of the present utility model;

[0018] Figure 5 It is the schematic circuit diagram of the preamplifier for the front left / right channels of the stereo surround multi-channel 8K player of the present utility model;

[0019] Figure 6 It is the schematic circuit diagram of the preamplifier for the front mid / bass channels of the stereo surround multi-channel 8K player of the present utility model;

[0020] Figure 7 It is the schematic circuit diagram of the audio surround left / right amplifiers of the stereo surround multi-channel 8K player of the present utility model;

[0021] Figure 8 It is the schematic circuit diagram of the audio surround left / right rear amplifiers of the stereo surround multi-channel 8K player of the present utility model;

[0022] Figure 9 It is the schematic circuit diagram of the empty preamplifier for the front left / right channels of the stereo surround multi-channel 8K player of the present utility model;

[0023] Figure 10 It is the schematic circuit diagram of the empty rear amplifier for the left / right channels of the stereo surround multi-channel 8K player of the present utility model. Detailed implementation manners

[0024] To make the objectives, technical solutions and advantages of the present utility model clearer, the following further describes the present utility model in detail with reference to the accompanying drawings and specific examples. These examples are merely illustrative and do not limit the present utility model.

[0025] The principle of the present utility model is as follows: 1) The HI3796CV300 ultra-high-definition decoding chip outputs one 8K ultra-high-definition video data signal in HDMI2.1 protocol and another I2S stereo surround multi-channel audio data signal. 2) The PCM1690 I2S audio decoding chip performs stereo surround multi-channel audio decoding processing and outputs differential analog signals of stereo surround multi-channel. 3) The SGM8903 preamplifier chip performs signal amplification processing and outputs an analog audio signal with high signal-to-noise ratio to the power amplifier.

[0026] As Figure 1 shown, the stereo surround multi-channel 8K player of the present utility model includes:

[0027] Power supply system: provides power supply for each chip;

[0028] HI3796CV300 ultra-high-definition decoding chip, used for 8K data decoding, and its circuit schematic diagram is as Figure 2 shown, which shows the I2S output interface of the Hi3796CV300 chip. Specifically, after receiving the network real-time data (such as the network data in Figure 1 ), the HI3796CV300 ultra-high-definition decoding chip decodes and outputs one 8K video data stream in HDMI2.1 protocol to the input port of the 8K ultra-high-definition display screen; at the same time, it outputs I2S protocol stereo multi-channel audio data to the I2S input port of the PCM1690 I2S audio decoding chip;

[0029] PCM1690 I2S audio decoding chip, used for stereo surround multi-channel processing, and its circuit diagram is as Figure 3 shown. Specifically, the PCM1690 I2S audio decoding chip decodes the I2S protocol stereo multi-channel audio data and outputs differential analog signals of stereo surround multi-channel to the SGM8903 preamplifier chip;

[0030] SGM8903 preamplifier chip, used for analog signal preamplifier processing to output multi-channel analog audio signals. Specifically, the SGM8903 preamplifier chip amplifies the audio signal (differential analog signal of stereo surround multi-channel) to improve the signal-to-noise ratio and sends it to the power amplifier to realize the output of 8K ultra-high-definition video signal and stereo surround multi-channel audio signal. As in Figure 1 "Left front surround 1, right front surround 2, center surround 3, subwoofer 4, left rear surround 5, right rear surround 6, left surround 7, right surround 8, empty left front 9, empty right front 10, empty left rear 11, and empty right rear 12", the circuit schematic diagram is as Figures 5 to 10 shown; the circuit schematic diagram of the audio three-dimensional surround multi-channel output interface of the stereo surround multi-channel 8K player is as Figure 4 shown.

[0031] This utility model combines an HI3796CV300 8K ultra-high definition decoding chip, a PCM1690 I2S audio decoding chip, and an SMG8903 preamplifier chip to form a stereo surround multi-channel 8K ultra-high definition playback system. The stereo surround multi-channel 8K player of this utility model provides an 8K player to output an 8K ultra-high definition video data stream and an I2S stereo surround multi-channel audio data stream, which is decoded by the PCM1690 decoding chip and outputs a stereo surround multi-channel analog differential signal, and then the signal is amplified by the SGM8903 preamplifier chip to realize the output of an 8K ultra-high definition video signal and a stereo surround multi-channel audio signal.

[0032] The method for the stereo surround multi-channel 8K player of this utility model to perform stereo surround multi-channel 8K playback includes:

[0033] The power supply system provides power supply for each chip;

[0034] 8K data decoding: Processed by the HI3796CV300 ultra-high definition decoding chip. After receiving the network real-time data stream, the HI3796CV300 ultra-high definition decoding chip decodes and outputs a 1-channel HDMI2.1 protocol 8K video data stream to the input port of the 8K ultra-high definition display screen; at the same time, it outputs an I2S protocol stereo multi-channel audio data to the I2S input port of the PCM1690 I2S audio decoding chip.

[0035] Stereo surround multi-channel processing: After the I2S protocol stereo multi-channel audio data is decoded by the PCM1690 I2S audio decoding chip, it outputs a stereo surround multi-channel differential analog signal to the SGM8903 preamplifier chip;

[0036] Output of multi-channel analog audio signal: The SGM8903 preamplifier chip performs analog signal preamplification processing, amplifies the audio signal (stereo surround multi-channel differential analog signal) to improve the signal-to-noise ratio and sends it to the power amplifier.

[0037] The novelty of this utility model lies in: Using the HI3796CV300 chip algorithm for decoding, outputting an 8K video data stream transmitted by the HDMI2.1 protocol and an I2S stereo surround multi-channel data stream, the PCM1690 decoding chip decodes and processes the I2S stereo surround multi-channel data, outputs a stereo surround multi-channel analog differential signal, and then the SGM8903 preamplifier performs amplification processing to output an analog signal with a high signal-to-noise ratio.

[0038] This utility model realizes the output of an 8K video data stream transmitted by the HDMI2.1 protocol and the output of a stereo surround multi-channel audio analog signal, and realizes the reproduction of 8K ultra-high definition video and the effect experience of a stereo surround multi-channel playback system.

[0039] The above description is the best embodiment based on the concept and working principle of the utility model. The above embodiments should not be construed as limiting the scope of protection of the claims. Combinations of other embodiments and implementation manners in accordance with the concept of the present utility model all fall within the scope of protection of the present utility model.

Claims

1. A stereo surround multi-channel 8K player, characterized in that: include: Power supply system: provides power supply for each chip; After receiving the real-time data stream from the network, the HI3796CV300 ultra-high-definition decoding chip decodes and outputs one HDMI2.1 protocol 8K video data stream to the input port of the 8K ultra-high-definition display, and simultaneously outputs the I2S protocol stereo multi-channel audio data to the I2S input port of the PCM1690 I2S audio decoding chip; The PCM1690 I2S audio decoding chip decodes the I2S protocol stereo multi-channel audio data and outputs a stereo surround multi-channel differential analog signal to the SGM8903 preamplifier chip; as well as The SGM8903 preamplifier chip is used for preamplifier processing of analog signals to output multi-channel analog audio signals.

2. The stereo surround multi-channel 8K player according to claim 1, characterized in that: The SGM8903 front-end operational amplifier chip amplifies the stereo surround multi-channel differential analog signal to improve the signal-to-noise ratio and sends it to the power amplifier.

3. The stereo surround multi-channel 8K player according to claim 1, characterized in that: The multi-channel analog audio signal includes left front surround, right front surround, center surround, subwoofer, left rear surround, right rear surround, left surround, right surround, empty left front, empty right front, empty left rear and empty right rear.

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