What do surround speakers and center speakers mean? What's the difference from ordinary ones?

Surround sound box means that in surround sound, except the three channels of "left, middle and right" in front of the listener, other channels are usually called surround sound channels, but in surround sound above 7. 1 channel, the left, middle and right channels are not called surround sound channels.

Surround sound means that the direction of each sound source in the original signal can be reproduced during playback, which is a feeling that the listener is surrounded by sounds from different directions. Surround sound is a kind of stereo sound. Surround sound is the surround sound formed by sound in a certain way.

The center channel speaker refers to the speaker installed on the top, under or behind the video monitor in the home theater system. It is used to replay information, such as voice conversations sent by the central channel and other sounds related to actions on the screen.

The center speaker mainly expresses the dialogue between characters and voices in the process of playing. The center speaker is usually located at the top of the TV. There are two types of center speakers: bass and double bass. The former should be placed vertically and the latter horizontally.

Difference:

1, the sound propagation mode is different: the ordinary stereo is flat stereo, and the cinema or home theater only has two left and right channels or three left and right channels in front of the audience, and only two channels are set on the left and right sides of the audience.

2. Different number of channels: Surround sound is spherical stereo with at least three channels, and the listener must be surrounded by the sound points of each channel. The center speaker mainly expresses the dialogue between characters and voices in the process of playing. The center speaker is usually located at the top of the TV. There are two types of center speakers: bass and double bass. The former should be placed vertically and the latter horizontally.

3. Different effects: The center speaker refers to the speaker installed at the top of the du video monitor under or behind the home theater system. Surround sound box means that in surround sound, except the three channels of "left, middle and right" in front of the listener, other channels are usually called surround sound channels, but in surround sound above 7. 1 channel, the left, middle and right channels are not called surround sound channels.

Extended data

Precautions for using audio:

1, pay attention to control the temperature of the sound.

Neither too low nor too high, otherwise it will affect the sensitivity of the sound and have a certain impact on the sound reinforcement effect. Therefore, when using the audio, please pay attention to adjust the working temperature of the conference audio according to the season to ensure its best use effect.

2. Reset after using stereo.

If you use the stereo for a long time, even the most professional stereo will have a certain impact on the reset button. Therefore, when using audio, make sure to reset and then turn off the switch to protect the audio.

3. Pay attention to cleaning the sound regularly.

Metals exposed to air for a long time will be oxidized, resulting in poor contact of signal lines. Therefore, it is necessary to clean the stereo regularly to ensure that the stereo can be used normally. When cleaning, just dip cotton cloth in alcohol to clean it, which is simple and convenient.

Fourth, pay attention to avoid direct sunlight.

Don't let the sun shine directly on the speaker, avoid the speaker being close to high-temperature heat sources, and avoid premature aging of components used in the speaker.