TV common sense daily new knowledge: color audio sound technology analysis

When most consumers buy flat-panel TVs, they tend to focus on the appearance, panel, digital interface, etc. In fact, the so-called "watching" TV is of course not only "seeing", but also with sound coordination; especially when watching When a movie is a blockbuster or a live concert, if the sound system of the TV is not good enough to affect the effect, even if the picture quality is clear and realistic, it will inevitably be greatly discounted, and it is difficult to realize the feeling of being truly “immersive”.

Therefore, when we buy TV, in addition to "high definition", we should pay more attention to and understanding of its audio system. An LCD TV with high quality bass effect is more for music lovers and movie enthusiasts. The irresistible temptation, clear and realistic picture and shocking eardrum sound will undoubtedly make you completely immersed in the dreamy world of audiovisual. Today, we have come to sort out some common audio technologies in the current TV market. Let’s take a look.
What is SRS technology?
The SRS (Sound Retrieval System) is the most representative 3D stereo technology developed by the SRS Institute. At the heart of the technology is the ability to get surround sound with 2 speakers. More specifically, sound waves have their specific volume amplitude, propagation speed, and positional parameters at various spatial points in the surrounding area. The human ear can analyze these data very sensitively, capturing the strength, direction of movement, and position of the sound. There is a lag and break of the sound (the phenomenon of chaotic reflection after the sound wave hits the outer ear). After the sound wave delay is properly processed in the ordinary speaker, the technology of the output is the SRS technology.
SRS recovers the spatial information masked by traditional recording and playback technology. After decomposing the stereo signal, it can separate and recover the spatial curve and environmental information of the original sound, and then superimpose them into the correct spatial relationship. on. These spatial curves are processed through a patented frequency response correction curve that brings the reproduced sound closer to the musician's original intended and live effects.

Litecoin Mining Machine

Litecoin is an online currency based on peer-to-peer technology and is an open source software project under the MIT/X11 license. It can help users make instant payments to anyone in the world [2]. Litecoin was designed and programmed by a programmer (Li Qiwei) who used to work at Google, and launched on January 9, 2011. Litecoin is an improved digital currency inspired by Bitcoin. The technical principle of Litecoin is the same as that of Bitcoin. It also adopts a decentralized architecture, without any central authority control, and the issuance of new coins and the transfer of transactions and payments are based on open source encryption algorithms, etc. These are all imitated the design principle of Bitcoin. However, Litecoin tries its best to improve the shortcomings that Bitcoin has shown before, such as too slow transaction confirmation, small total cap, the emergence of large mining pools caused by proof-of-work mechanism and so on, SHA256 algorithm [1].

Litecoin, which aims to improve Bitcoin, has three significant differences. First, the Litecoin network can process a block every 2.5 minutes instead of 10, thus providing faster transaction confirmation. Second, the Litecoin network is expected to produce 84 million litecoins, four times the amount of money issued on the Bitcoin network. Each litecoin is divided into 100 million smaller units, defined by eight decimal places.

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Bitmain Antminer L3+ (504Mh),Bitmain Antminer L3+ (600Mh),etc.

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