How do I tell if a video is 5 1 channel?

To identify if a movie is channel-channel, you can use the following methods:

1.Look at the movie file name: If the file name has the words AC3 or DTS in it, then the movie is most likely channel.

3.Automatic identification of devices using DTS decoding: The real DTS must be automatically identified by the equipment decoded by DTS (such as *** machine and power amplifier, etc.) to prove that the film is a sound channel.

4.Split track recording: True multi-channel is recorded in split tracks, and its front, back, left, middle, and right speakers are all independent channels, all of which can produce the sound of each track independently.

If you can hear the sound of five tracks independently in 5 speakers, then this is a video with a sound channel.

To sum up, you can use the above methods to identify whether the video is audio or not.

This information is not enough.

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First of all, each channel is input signal independently, one by one test, 6 channels can work independently, it is real, if you input a signal, there are several speakers at the same time, then it is not real. The real one should have 6 inputs (marked as: and 6 speakers including subwoofers.

It is truly an independent 6-channel amplification and 6-channel speaker restoration, and of course, an independent channel sound source.

Secondly, the speaker needs the amplifier to have a separate 6-channel amplifier. Virtual surround is divided into multi-channel virtual surround and 2-channel virtual surround; Multi-channel virtual surround also has 4-5 channel amplifiers and 5-6 speaker devices, but its surround sound is made of ordinary 2-channel stereo through surround decoders (e.g., Dolby Pro Logic, Yamaha Surround Chip, etc.).

Then separate its different city divisions into multi-channel signals, it still has multi-channel surround sound, but it is not as high as Dolby Digital (AC-3), DTS, and the sense of space is much worse before and after, and the spatial sense of the front and back left and right is also much worse, and the analog DolbyPro (Dolby Logic) actually only has 4 channel signals (left, middle, right, and back), and its surround is actually a channel channel, but the dolbyproii that was launched later has a 5-channel signal.

Finally, these are decoders designed for normal stereo signals. Two-channel virtual surround is the use of a 3D sound processing chip (such as SRS) to enhance the environmental signal components in ordinary stereo sound sources to obtain a stronger sense of envelopment and presence, simulating a three-dimensional sound effect space. The real reason is that from program recording to signal restoration are independent 6-channel signals, reverberation and decoding equipment are carried out digitally, the channel separation is very high, and the sense of scene and realism are much stronger than virtual surrounding.

The reason why it is called is because the working frequency of the subwoofer channel is almost below 200Hz, while the other channels require 20Hz-20kHz, so the ultra-low is called.

Sound channel refers to the independent audio signal that the sound is collected or played back in different spatial positions during recording or **, so the number of channels is also the number of sound sources when the sound is recorded or the corresponding number of speakers during playback.

The number of channels supported by the sound card is one of the important indicators to measure the grade of the sound card, from mono to the latest surround sound.

Method: 1. The real DTS must be automatically identified by the DTS decoding equipment (*** machine and power amplifier, etc.);

2. Now there are many CDs on the market, *** disk covers are printed with DTS, Dolby AC-3 channel trademarks, but most of them are fake, if you can't hear the independent sound of the five audio tracks in the 5 speakers, or you can only hear the binaural, especially pirated audio and video products, it is obviously not the sound channel;

3、The real multi-channel is recorded in separate tracks,Its front、back、Left、Middle、Each speaker is an independent channel,Can independently emit the sound of each track of Kaixiangqing。

Contraindications for the use of sounds:

1. Put the equipment in the cabinet. For decoration and protection, some people put the equipment into the customized cabinet, which will cause the latent vibration caused by the space in the cabinet to make the timbre turbid, and the power amplifier and other equipment are easy to overheat and age because there is not enough circulating air;

2. Stacking equipment. Many people like to place DVD players, amplifiers, tuners, digital analogue converters and other machines on top of each other, which will cause mutual interference, especially the serious interference between the laser camera and the power amplifier, which will make the timbre hard and produce a sense of oppression;

3. The wiring is not firm and unclean. If the system is dry and hard, one of the reasons may be poor contact, such as poor plug, oxidation of the contact surface, dust or oil stains, etc., so you should check it frequently to keep the contact surface clean;

4. Use marble or glass to carry equipment. Marble has low density and high resonance, which will affect the acoustic effect. The density of glass is higher than that of marble, but it is not thick and the resonance is more severe.