In general, moving a movie theater to a home has become a home theater. This requires it to make the audio-visual effects produced in the cinema, realistic and perfect at home, giving people an immersive feeling. Therefore, this is a set of equipment that can be seen and can be heard at home. Of course, another very important part is: have a reasonable audio-visual environment. This refers to your house, it needs to be soundproofed, etc., and it is more harmonious with the equipment you choose.
Home Theater Experience Center in Huiwei Zhuhai Flagship Store
As far as the general performance of home theater is concerned, people usually understand it as: a TV, a DVD player, and a few speakers. This is a home theater. But in fact, home theaters have national standards: "General Specifications for Surround Sound Amplifiers for Home Theater" and "General Specifications for Combined Speaker Systems for Home Theater." In these two specifications, the technical requirements, test methods, quality assessment procedures, and marking, packaging, transportation and storage of surround sound amplifiers and combined speakers for home theaters are clearly defined. In addition, according to the technical characteristics of home theater products, performance specifications such as "frequency coverage" and "maximum output noise voltage" are proposed in the specification.
In the "General Specifications for Surround Sound Amplifiers for Home Theater", the definition of a home theater system is defined: it is clearly stated that only by a surround sound amplifier (or a combination of a surround sound decoder and a multi-channel audio power amplifier), multiple (more than four) A home audio-visual system with a surround-sound theater audio-visual effect, consisting of a speaker system, a large-screen TV (or projection TV), and a high-quality AV program source, can be called a home theater.
A preliminary understanding of home theater and HTPC (2) I have seen the home theater, we will mainly pay attention to its playback system. This part is related to decoding and is the core part of the entire home theater. According to the above characteristics and standard specifications, the home theater playback system can be divided into two parts, namely the video playback system and the audio playback system. But in actual use, we often divide it into three parts: player, AV amplifier and speaker system.
Pioneer DVD
The player requirements here are quite special. It is not what we usually call a DVD player. (In view of the fact that DVDs are already on the market, old ones such as VCD are not mentioned in the text). First of all, the video playback effect is very good. The previous VCD was not working, and the current DVD is basically enough. To be better, there are now HD players such as Blu-ray. But this is only the video requirements, and the player in the home theater also requires support for multi-channel audio playback, otherwise the surround effect. Currently, most DVD players on the market have this feature, but there are only a few.
Speaker is very important
Another important part of the home theater is the speaker system. This is better, everyone can understand. As a speaker for home theater, the most basic is 5.1 channel. Among them, a pair of main speakers (usually also known as front speakers), a pair of surround speakers, a center speaker and a subwoofer. Now, there are 7.1 and 8.1 speakers. They are similar to the 5.1 speakers, but add a sound source to them for better surround sound.
Onkyo amplifier
The last appearance is the top priority in the entire home theater playback system: AV amplifier! It is the abbreviation of Audio & Video, namely audio and video amplifier. It can connect 5-6 speakers at the same time (left and right main speakers, center speakers, left and right surround speakers, subwoofer) and drive them to make sound. From birth to now, AV amplifiers have experienced the development of Dolby Surround, Dolby Pro Logic, AC-3, and DTS (both audio decoding methods). The difference with ordinary power amplifiers is that AV amplifiers have AV-selected Dolby Pro Logic decoders, AC-3, DTS decoders, and five-channel power amplifiers, as well as a digital sound field DSP circuit that is the finishing touch. In view of the need to enjoy the multi-channel recording effect in the disc, the power output per channel of the AV amplifier will be different. In general, the main channel power is the largest, the center is second, and the surround is the smallest. This is represented by a power amplifier with Dolby Pro Logic surround sound. In order to increase the fun of use, most AV amplifiers are equipped with a DSP to provide different sound field effects for various programs.
According to the purchasing skills proposed by some netizens, it is possible to simply assign the three parts of the user according to a price ratio. That is, the player/speaker system/AV amplifier, the three can be purchased at a price ratio of 1/2/1. In addition, since the AV power amplifier plays an important role in the system, it can also be purchased at a ratio of 1/2/1.5.
With the rapid development of computers, the HTPC system was born in recent years, which is a concept that Microsoft strongly promotes. Here, let's take a look. HTPC is the abbreviation of Home Theater Personal Computer, which means home theater computer. To put it bluntly, it is the combination of computers and home theaters. Intuitively, HTPC is a home theater that uses a computer as a signal source and processing part. It can be divided into four major parts: computer, video, audio, and software. First of all, let's take a look at its computer part (it's also a PC with the word!).
For HTPC, in addition to the computer's selection principle, there are three points that are very important: low noise (no one wants to hear noise when watching movies), full expansion (HTPC upgrade) Very important) and wireless operating equipment (Is it difficult to sit in front of the computer and hit the keyboard, slide the mouse?). Now let's take a look at the specific requirements of each section.
Netizen from home HTPC
The power supply is the basis of the PC, and for HTPC, its equipment has a lot of room for upgrade, so it is necessary to have enough power. Therefore, a high-powered power supply is essential. As for how big it is, how do you get a 400W? Also, consider the need for low noise. The power supply fan of the HTPC should be required to have a large diameter but a low speed. This keeps its heat dissipation and the noise is not too great.
Let's take a look at the motherboard, although the integrated sound card and graphics card can be used now, but if we want to build HTPC, then this board is not used. In addition, it is considered that various interfaces on the upgrade board in the future may not be small, such as IEEE1394, USB 2.0, Serial ATA, SCSI, and the like. If you have enough money, the board that integrates the IDE RAID disk array controller is better.
The CPU is better to say that it is enough to ensure that it is sufficient. Here, the more important thing to pay attention to is the heat dissipation problem. Try to choose a product with low heat. In addition, you need to have a good radiator. If you can match a fan that does not require a cooling fan, it will make you use a low noise. As for the memory, try to be big! After all, the memory required for operating systems and applications is getting bigger and bigger, and large memory is required for speed and future upgrades. Of course, the current price of DDR2 memory is rising. If you want to match it, you can use a 1G first, and then add one.
The hard drive is cheap now, so the big capacity is for sure! At the same time, you can also consider using more than 2 hard disk sets for RAID. However, the noise problem of the hard disk is also serious. At present, there are hard disk shock absorbers on the market, so you may wish to consider one. In addition, some netizens said that when installing the hard disk, the fixed filling sponge and rubber can also effectively reduce the noise.
Initial understanding of home theater and HTPC (3)
Next, let's look at the other two parts of HTPC: video and audio. To achieve good results in these two aspects, then first of all to ensure the quality of the source. Currently, DVD-ROM discs are widely used, and DVD-ROMs are commonly used in HTPCs.
HDMI graphics card
Here, we can divide the video into two parts: the source and the display. Generally speaking, the signal source of HTPC is mainly based on the RGB output of the graphics card before the IEEE1394 interface becomes the video data transmission standard. Depending on the connected display device, the DVI interface of the digital output or the D-SUB (5BNC) interface of the analog output can be selected. Of course, now there is a graphics card with HDMI interface, it is easier to implement.
However, at this time, the output quality of the graphics card is very important, even if it is the same model, different manufacturers produce, there is a world of difference. Therefore, everyone can choose the products of the original factory and the big factory when purchasing. If you must use the progressive color difference interface, you can choose a special converter (RGB-color difference), or add a MPEG2/MPEG4 hard decompression card with progressive color output interface, which is a feasible solution.
The projector is great
The display device of HTPC is different from high to low. Generally, the low end can choose 16:9 TV; the better one can choose 16:9 rear projection; and the better, then definitely choose the projector. It is. However, money is a key issue. Let's choose according to your actual needs.
Initial understanding of home theater and HTPC (4)
When the video is over, it's natural to have the audio. Currently, it has two implementations. One is to use digital audio output: it is output to the AV amplifier with SPDIF interface (fiber or coaxial), then decoded by the decoder built in the AV amplifier and D/A, which is the simplest and most feasible way. The second is to use a multi-channel external D / A conversion sound card, directly through the PC software to decode the surround sound signal, forming 5.1-7.1. Then, after the sound card is externally D/A (to avoid internal interference of the PC), the analog signal is output to the subsequent stage power amplifier. The final fate of the two methods is the same, and finally the amplifier is driven by the amplifier to play the audio. The choice of speakers needs to take into account the actual audio-visual environment and budget.
Here, Xiaobian still has to remind you: HTPC's wire matching can not be ignored. This is because the internal interference of a good wire is small, which makes the signal more pure and stable, and contributes to the final audiovisual effect.
Compared with ordinary home theater, HTPC has another major feature, which is its last component: software, which can be divided into two categories: playback software and management software.
What we usually find are: WinDVD and PowerDVD, which have the advantages of rich surround sound decoding and virtual technology. In addition, there are CinePlayer, ATI DVD (using CINE kernel) and so on. Their characteristics are also obvious, the former's video quality is better, while the latter's CPU usage is the lowest.
PowerDVD
In addition, there is a way to combine the advantages of the above software, that is ZoomPlayer. This is a playback interface software that can play multiple video formats by calling the video and audio cores of other DVD playback software, plus its own screen adjustments. The convenience is that you can freely combine the video and audio cores of different DVD playback software, such as CinePlayer video decoding + WinDVD audio decoding. What's more convenient is that it can also expand the combination by itself. It is one of the most convenient DVD and DivX playback software.
As for DVD collection management software, Movie Collector is a very good one. Just enter the name of the movie, it will automatically download movies and DVD related materials and pictures from the Internet, and also has a comprehensive statistical function.
Initial understanding of home theater and HTPC (5)
From the above, we can easily see that HTPC has four characteristics: easy to upgrade and change (as long as it is a computer, you can DIY), powerful processing power (CPU, GPU, APU are very powerful), display effect, cheap and large Capacity storage (hard disk + virtual CD, how many pieces of storage you want to save).
As for the concept of home theater and HTPC, I will explain it to you today. In fact, the current home theater is no longer a mysterious thing, it has gone down from the Shentai to enter the homes of ordinary people. Especially in the young people in the city nowadays, many people will consider setting up a home theater to enjoy when they get married. As for the future prospects, Xiaobian and some netizens are more optimistic about HTPC, at least in China.
An HTPC home video plan that is widely circulated on the Internet
First of all, HTPC is a new thing, and its development space is still very large. For example, in terms of audio, the PC can implement hardware decoding of AC3, DTS, DD EX, DTS ES, and even late surround sound processing of THX ULTRA. In addition, HTPC can provide more video and audio interfaces, which can make full use of the existing CPU, GPU and other capabilities. Moreover, rich software support will continue to stimulate and promote the development of HTPC. At the same time, the Internet has entered the family of ordinary people. In the future, HTPC will be combined with the home internal area network. The home information entertainment center can realize the mass storage in the server through the network interface. The different contents of each room can be played, and even the popularity of the broadband network can be mutually Share entertainment resources!
Another point is mentioned above: HTPC is promoted by IT boss Mircosoft, and its background power is not ordinary. Coupled with its near-monopoly position in home software, HTPC is hard to develop.
Also, I don't know if everyone knows MCE? Its full name is Microsoft Windows XP Media Center Edition, which is a new platform for audio and video entertainment under Windows XP. It combines the functions of home appliances such as TVs, DVD players, video recorders, CD stereos, and radios. The integration is strong and one machine is the biggest advantage. In addition, its operation is also very easy, that is, those who are old enough to publish a mouse and keyboard in a quarter, now it is as simple as operating a TV or a DVD, and a remote control can get all the functions. The biggest revolution in the MCE platform is that all operations can be done by relying on the remote control. Just press the middle green button (red circle) and the main menu screen appears.
This is the case, MCE is currently the most commonly used on HTPC (still a lot of people use a Korean software). And Microsoft's next-generation operating system, Windows Vista, integrates MCE internally. It can be seen that with the constant "invasion" of Vista, the prospect of HTPC is also relatively good.
At present, Xiaobian is still very limited in the field of home theater. So start with the most basic ones. Friends who know this aspect can be enlightened. And if you are the same as Xiaobian, then let's grow together!
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