Home Theater Speakers, am I getting the full surround sound?

Nowadays, more and more people love watching movie at home, lots of media-service providers are more and more popular now, like Netflix, Iqiyi. And more and more people are looking for surround sound setting at home. But if you buy surround sound speakers, is it means you are getting the full sound?

The answer is no. You are not getting the full sound if you don't know how to connect and set up your devices properly. Here are short definitions of those terms.

What is 5.1 / 7.2?

7.2 means 7 speakers, point 2 means 2 sub-woofers. Usually you will see 5.1, 7.2 which means 3 channels of the audio speakers Left center Right and 2 channels of the speakers Left and right on the back plus 1 sub low bass channel. With Atmos you will have the extra ceiling channels that gives you the extra sound from high above.

What is Dolby Atmos, DTS X, Toslink, SPDIF, ARC, HDCP?

Dolby Atmos and DTS X are the audio surround sound format which is the codecs that tells the audio which channel of the speaker should go to. The Dolby audio encoding format will assign all 6 audio channels to belonged speakers so it knows where the audio should be play back.

You can also choose to connect Toslink or SPDIF. Both cable transmit the audio data through optical cable. However, both don't support either Dolby Atmos nor DTS X.