HS code directory for imports

List of the table of contents of this article:

• 1, win10 system PPS and video cannot play and display a black screen
• 2, The most complete car audio system knowledge in history
• 3, What does the car audio-visual system include
• 4、 "Iwei Technology" Aiwei Audiovisual Intelligent Control System
• 5,HS code directory for imports What is a smart TV OTT system?
• 6, What specific functions do the English abbreviations on the car audio-visual system represent?

win10 system PPS video can't play the solution

First, click the start button in desktop mode, as shown in the figure below As shown.Click the gear settings in the start menu, as shown in the figure below. Enter the settings and click the system tab, as shown in the figure below. Enter the system, click Display, and click Advanced Settings in the drop-down menu of the Display tab, as shown in the figure below.

Display: First, check whether the monitor is normal. The method is very simple. You just need to turn off the computer or unplug the VGA cable of the monitor. Just turn on the monitor to see if there will be no signal. After the monitor is checked normally, check the next one.

Graphics card problem: If the graphics card of the computer fails, it may cause a black screen. The solution is to reinstall or update the graphics card driver, or replace the faulty graphics card. Overheating problem: Using the computer to watch videos for a long time may cause the computer to overheat, which will lead to a black screen.

The solutionThe method is to check whether the power cord is plugged in. If there is still a problem, you can replace a power supply with sufficient power. Graphics card problem: The graphics card may fail and cause the monitor to have a black screen. Hardware failure and operating system errors are also one of the reasons for the black screen of the computer. Failure to update, damage to system files, etc. may cause the computer to have a black screen.

Solution: Unplug the memory stick to check and then wipe it with an eraser; if it is a problem with the graphics card, you need. Reinstall the graphics card driver; if there is a problem with the computer system, you can only reinstall the system. It's. How to solve the problem of the black screen of the monitor: a. Check whether the power supply of the host is working normally.

If you encounter a black screen of the Win10 computer, you can try the following solutions: Check and re-plugging and unplugging peripherals: Sometimes external devices connected to the computer may cause black screen problems.Try to disconnect all external devices, such as printers, mobile hard disks, USB devices, etc., and then restart the computer to see if the problem can be solved.

The most complete car audio system knowledge in history

The reason why the sound system can be called audio is the most basic That is - it has the function of playback sound.In the sound system, at least the following points proposed by the author must be included to be qualified to be called audio, which is true for any sound system, and car audio is no exception. Car audio mainly includes three parts: host, speaker and amplifier.

For half a century, Bowers&Wilkins has been focusing on the manufacture and research and development of audio technology. From high-fidelity speakers, home audio, new media products to car audio, it has created many peaks for audio enthusiasts. This set of audio on the BMW X7 is the same, this set of system treasure Ma XX6 and BMW 5 series, 7 series and 8 series can also be optional.

Nowadays, BMW's use of Harman Kardon audio in the 7 series, which is also the pinnacle of Harman Kardon. JBL (United States) representative model: As the world's largest professional speaker manufacturer, Toyota Elfa JBL is not surprised to enter the automotive field.

What does the automotive audio-visual system include

including wires, power distribution devices, fuses, connectors, etc. There are many types of wires needed to connect the car audio-visual system equipment, which can generally be divided into power cables, signal cables and speaker cables. The diameter of the power cord affects the performance of the amplifier, and the quality of the signal line affects the frequency response of the system.

Pre-stage Simply put, before the post-stage (amplify), all processing machine parts related to audio signals are called pre-stage.

Most of the original car hosts integrate the sound source part and the processing part (generally only the equalizer alsoThat is, EQ), amplifier, some owners will be equipped with a remote control, that is, the IR control of the control part, and most of the original car hosts are RL stereo two-channel systems, and the configuration of the speakers varies according to the size and quantity of different models.

Media on the car refers to multimedia audio and video files. Media means media in Chinese. Media on the car refers to multimedia audio-visual files. The media function on the car has a development process, from the initial audio-visual equipment to the current electronic audio-visual system that integrates a variety of functions.

Car audio system: Car audio system is mainly composed of power amplifiers, speakers, antennas, sound processing equipment and accessories. The host is professionally called the sound source, which is mainly tuned by radio.It is composed of frequency devices (and radios) and recording players (including cassette machines, CD players, VCD players, DVD players), etc.

「Ivey Technology" Ivey Audiovisual Intelligent Control System

1. A professional audio-visual intelligent control system requires the following genes: First, the audio-visual control system. Including projector, AV amplifier, AV HD player, KTV song ordering machine, KTV effector control. Second, the spatial lighting management system. Including light switch, dimming, RGB color management. Third, the advanced power management system.

2. If you want to achieve such an intelligent mode, it is not enough to purchase equipment. Ivy will provide you with high-quality equipment and professional and accurate connection.Dynamic design provides you with one-on-one customization services and creates customized intelligent scenes that understand your mind.

3. Zhejiang Aiwei Technology Co., Ltd. is headquartered in Hangzhou, abbreviated as "Aiwei Intelligent Audiovisual" in Chinese, and HIWE in English. It is a high-end customized brand that focuses on the overall solution of the "intelligent audio-visual" system scheme. We have been committed to promoting the development of the industry, establishing industry standards, and creating the first brand of intelligent audio-visual.

4. The system must be safe, stable and simple to operate. It also needs to meet some conditions, which can support a variety of device access, and it is better to use equipment of different brands and manufacturers, and the equipment realizes the linkage function.

What is the smart TV OTT system?

OTT (Over The Top) is a manageable and controllable service that is transmitted to TV through the public Internet to provide video content by radio and television institutions. Its receiving terminal is Smart TV or OTT box.

TV OTT mode is a mode that provides streaming media directly to the audience through the Internet. OTT is the abbreviation of "Over The Top", which comes from an action in basketball, "over the top pass", which is used in the television industry to refer to providing content distribution services to users through the public network.

OTT (Over-The-Top) TV refers to the video provided by state-owned radio and television institutions transmitted to TV through the public Internet.The content is a controllable and manageable service, and its receiving terminal is an Internet TV all-in-one or OTT TV.

What specific functions do the English abbreviations on the car audio-visual system represent?

Hi-Fi is the abbreviation of Hight-Fidelity in English, which literally means high fidelity. It requires the audio equipment to amplify and process the various indicators of the sound signal without distortion during the playback process to restore the original appearance of the sound source, emphasizing the original flavor, which is specially used to appreciate music.

BAS: It is the bass control button, which is the abbreviation of bass. Press this button to turn down the sound of the car stereo. TER: It's a high-pitche control button, is the abbreviation of treble. Press this button to increase the sound of the car stereo. In the preset radio station of

-6], press this button for 5 seconds each of the [1-6] preset stations in turn. VOL is the abbreviation of the English word volume, that is, volume. The plus and minus signs of VOL, VOL-/VOL + the corresponding volume control key, can adjust the volume of the car audio.