Televisions are rapidly shifting from standard-definition analog TVs with CRT displays to high-definition digital TVs with LCDs and plasma displays. However, despite the dramatic improvement in picture quality, there are still many factors that make it difficult for new TVs to obtain or improve the audio quality of CRT TVs. This article refers to the address: http:// Flat screen TV Users want to use thinner TVs, but the reduction in chassis thickness forces manufacturers to use smaller speakers, which reduces the audio response at low frequencies. In order to reduce the size of the TV frame, the speaker is sometimes placed behind the screen, and the sound is sent out through a small acoustic horn, which easily causes tuning resonance. Flat-panel TVs are getting wider The thin case of a flat-panel TV is more likely to cause mechanical resonance than a CRT TV case. Most flat-panel TVs are getting wider and wider, forcing manufacturers to mount speakers under the TV instead of on both sides, affecting stereo separation. The larger the screen size of the flat-panel TV, means that the position of the TV set is farther and farther away from the audience, which also causes the stereo separation to decrease. On the other hand, consumers expect higher and higher sound effects of the TV set. This is mainly due to: Flat TV sound design The increase in picture quality increases the expectation of audio quality. As more and more users are able to reproduce the visual effects in the cinema, they also want to feel the same audio quality as in the cinema. High quality audio experience DVD and digital TV programs with multi-channel digital audio (such as Dolby, DTS, etc.) can provide higher quality audio content. Digital audio processing and amplification can be used to compensate for these problems with flat-panel TVs and provide a high-quality audio experience. In addition to compensating for these problems, digital audio processing can also improve audio quality, enhance dialogue clarity, and enhance late-night viewing of TV programs at low volume by recreating the central channel and post-fader sensations found in home theater systems. The quality of the sound. Improve stereo separation As digital TV sets increase in aspect ratio, stereo separation should be larger and larger, but more and more TV manufacturers put speakers under the display instead of on both sides, in order to reduce TV The overall width of the machine. Placing the speaker under the display will reduce the stereo separation and will also move the sound center from the center of the display to the underside of the display. Flat TV sound design Algorithms from companies such as SRSLabs, BBESound, and QSoundLabs can be used to increase the size of the audio image, improve the perceived bass performance, and produce the effects of the center and rear channel speakers on both speakers. These algorithms can improve the perceived audio quality of a television set and produce a listening system similar to a multi-channel home theater system.
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