What is virtual surround sound

　　In the realization of surround sound, whether it is Dolby AC3 or DTS, there is a feature that multiple speakers are required for playback, but due to price and space reasons, some users, such as multimedia computer users, do not enough speakers. At this time, a technology is needed that can process multi-channel signals and play them back in two parallel speakers, and can make people feel the effect of surround sound. This is the virtual surround sound technology.

　　The English of virtual surround sound is Virtual Surround, also called Simulated Surround, people call this technology non-standard surround sound technology. The non-standard surround sound system is based on the two-channel stereo, without adding channels and speakers, and broadcasts the sound field signal through the circuit processing, so that the listener feels that the sound comes from multiple directions, producing a simulated stereo field.

　　Virtual Surround Sound Value

　　The value of virtual surround technology lies in the use of two speakers to simulate the effect of surround sound. Although it cannot be compared with a real home theater, the effect is ok in the best listening position. The disadvantage is that the listening position is generally more demanding. High, so it is a good choice to apply this virtual surround technology to headphones. In recent years, people have begun to study the use of the fewest channels and the fewest speakers to create a three-dimensional sound with a three-dimensional sense. This sound effect is not as realistic as the mature surround sound technology such as DOLBY. But because of its low price, this technology is more and more widely used in power amplifier, TV, car audio and AV multimedia. People call this technology non-standard surround sound technology. The non-standard surround sound system is based on the two-channel stereo, without adding channels and speakers, and broadcasts the sound field signal through the circuit processing, so that the listener feels that the sound comes from multiple directions, producing a simulated stereo field.

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