What are the new changes in the audiovisual, home appliance industry in 2016, what are the audio and video products that have recently appeared on the market, and what innovative products are there in home appliance products. Domestic smart TV brands Xiaomi, LeTV, Fengxing and Micro-Whale TV who are more worth buying, do you know the top ten LCD TV quality rankings, do you know how to make audio frequency divider circuit diagrams, digital audio amplifier circuit DIY diagram steps You understand the whole process. What are the technical advantages of the new display technology laser TV compared to oled and projector? Do you know the HiFi 1.0-3.0 standard? With the above questions, let's understand in detail what good design solutions and advanced technology applications are available for the audio and video technologies in 2016.
1. The four domestic smart TV giants: Xiaomi, LeTV, Fengxing and Micro Whale TV, who is more worth buying
In this comparative evaluation, the editor chose the two TVs that were launched last year and the two TVs that were just launched in March this year, namely LeTV TV-X3, Micro Whale WTVK1 and popular G43Y, and Xiaomi TV 3S43 inch. For every family to buy appliances, TV prices are the primary consideration.
2. The top ten LCD TV brand quality rankings Hisense TV ranked first
With the continuous improvement of modern fashion life, LCD TV step by step into our lives. What about the quality ranking of LCD TVs? Compared with the previous ordinary TV, the LCD TV image is clearer and the picture quality is more perfect. This is also an important reason why many consumers like to buy LCD TVs. According to the increasing sales of LCD TVs in the market. Here is a brief introduction to the ranking of the quality of LCD TVs, to see which brand of LCD TV is better and more popular with consumers.
3. Detailed circuit diagrams of several commonly used crossovers and speaker crossovers
Although the effective frequency response of the intermediate frequency unit is up to 800Hz ~ 10kHz, the bandpass filter composed of L2, L3 and C2, C3 only takes its 1.5 ~ 6kHz band, which is also its golden frequency band. The high-pass filter composed of L4 and C4 sets the frequency division point of YDQG5-14 to 6kHz, and the lower cut-off frequency of this unit is also higher, which will make it easier to play its specialty in the high frequency band.
4. Several good field effect tube power amplifier circuit diagrams
IRFB33N15D is a very good MOS tube, its conduction internal resistance is as low as 56mΩ, the maximum current is 33A, and the withstand voltage is 150V. It is often used in DC / DC converters. Of course, it is also often used in digital power amplifier .
5. Illustration of the detailed steps of DIY assembly of all digital audio power amplifier circuit
This article shares a detailed step-by-step DIY of the assembly of all-digital audio power amplifier circuit, the required materials and the functions of the desktop speaker, etc. The digital power amplifier board circuit, switching power supply, display panel and circuit welding used to the final molding test the overall assembly.
6. Laser TV display evaluation: Which one is better than OLED or projector?
Compared with traditional TVs, laser TVs have a huge screen, shocking effect, and cost-effective display, and the market sales trend continues to rise. As a leader in the field of smart TV, Hisense released a 100-inch 4K laser TV in North America last week. It is known as a revolutionary next-generation TV display technology, which shows that the concept of laser TV has been deeply rooted. So, what is laser TV? What are the differences and advantages compared to traditional oled TVs and projectors?
7. The working principle of laser TV The advantages and disadvantages of Hisense laser TV price
When home users gradually tend to use large-screen TVs, since 2013, the new term laser TV has gradually emerged and attracted the attention of many users. So, what is laser TV? What is the working principle of laser TV? So far, which laser TV brands deserve our attention. The following article will give you a detailed description.
8. From 1.0 to 3.0, Hi-Fi has upended the smartphone industry!
Before the appearance of mobile phone Hi-Fi, Hi-Fi has always represented a complex system composition, a huge speaker system, and a scene that can only be listened to carefully in a carefully arranged space. Its influence is only within a very narrow range of enthusiasts, and it has not yet formed a mass consumer market.
9. Fully understand the parameters and functions of Changhong 100-inch laser TV
4K, 8K, and laser TV have become the most popular in the market. There are not many laser TVs on the market. Today, I will take you to the Changhong 100-inch laser TV in detail to let everyone know more.
10. AirPods are too expensive? Try TWS technology's high-end Bluetooth headset solution
For the iPhone 7 who intends to cancel the headset interface, but who are unaware of the AirPods design and price, today I recommend a CSR-based high-end Bluetooth headset solution for you to DIY yourself. Your wireless headset is yours Call the shots!
11. What is the difference between oled TV and led TV
In terms of picture quality, OLED still has better picture quality than LED / LCD TVs with quantum dot technology, although the latter has made considerable progress. At the same time, OLED TVs are also lighter, thinner, and more power-efficient, as well as the best viewing angle to date. Although the price is still a bit expensive now, it is slowly becoming cheaper.
12. Several high-quality human-friendly WiFi smart speakers are worthy of permanent use
With the rapid development of people's quality of life and high-tech, smart home has entered a new era. Smart home appliances such as smart TVs, smart refrigerators, and smart washing machines have also jumped into the eyes of everyone. This smart device not only brings fun to our lives, but also improves the quality of life and work efficiency. And here I am going to talk to you about a common member in smart homes-smart speakers.
13. Teach you how to distinguish true and false 4K high-definition audio and video books in minutes
As consumer demands change, high-definition audio and video products on the market gradually increase. For consumers, when there are too many choices, they will face the problem of how to buy, and even how to distinguish between "true and false 4K".
14. The world's first 360-degree stereo structured sound comes out
The world's first 360-degree stereo structure design audio independently developed by EVR Audio of Dongguan Changhe Group has recently been released. The design inspiration for this stereo is UFO, which uses a 5.8G wireless surround back digital audio transceiver module to ensure the sound source is not damaged. This technology is also one of the latest core technologies currently developed.
15. More powerful than Xbox Scorpio! Microsoft claimed to be developing the next generation of game consoles
In response to questions from netizens, Phil Spencer, the head of the Xbox department, recently revealed that Microsoft has begun planning a new generation of game consoles than Xbox Scorpio. When netizens asked Phil Spencer on social media whether "Xbox Scorpio will be the last generation of Microsoft game consoles", Phil Spencer directly gave the answer "Xbox Scorpio is not the end, our team's next-generation host has already been conceived, including better Game experience, compatibility with early technology, and the best design. "
16. Refuse to be Xiaobai! Common audio interfaces you should know
In daily life, electronic audio equipment is closely related to our usual computers, radio and even home theaters, and external audio playback of movie and TV sets. If you are now given a bunch of audio cables and various audio interfaces, but the interface cables will not be connected correctly, then you are really out. Audio interfaces mainly include analog TRS interface, RCA interface, XLR interface, digital audio interface AES / EBU interface, S / PDIF interface, RCA \ BNC coaxial interface, optical fiber interface and so on.
17. New Japan Wireless released 3 audio ICs to add beautiful sound quality to the sound
New Japan Wireless provides new solutions to improve the sound quality of audio equipment. It has launched three new audio ICs, electronic volume controller NJU72343, analog switches NJU72750A and NJU72751A, which can achieve high sound quality, low distortion and low noise.
18. Comprehensive analysis of HDR display technology
Among the many features of high-end TVs this year, HDR display technology is undoubtedly the most attractive to us. In the past two years, the 4K ultra-high-definition screen, which has been hot, is talking about the resolution of the TV. The HDR technology emphasizes the human eye's perception of the picture and the improvement of image quality.
19. Is LCD technology over? The rise of OLED technology
Today, it seems that it is the law of declining prosperity. After ten years of dominating the market, liquid crystal technology is finally destined to be defeated. The occurrence of this kind of finality is nothing more than a matter of time. From the current market trend, it seems that OLED is big. LCDs have been pulled down from the altar to achieve some dominance. At that time, CRT products were eliminated due to their large size. Then, what screen flaws in LCD technology are threatened by OLED?
20. Which one is better, DTS sound or HiFi? You can understand and hear clearly is a good music phone
In addition to the emphasis on taking pictures in new mobile phones released in 2016, music phones are also an indispensable factor. In terms of sound effects, in addition to the well-known Hi-Fi, DTS, Dolby Atmos and other sound effects are also very popular. In this evaluation, we will compare the sound characteristics and the weaker of HiFi and DTS. When users buy mobile phones that emphasize music performance, they usually get confused about these terms. This evaluation will also sort out some nouns. Users sort out their clues, because only their own mobile phone is a good mobile phone.
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