There is no standard for the number of supported speakers, but manufacturers follow standard practice.
For example, CH2.0 means that the machine has two speakers.
This, of course, implies that such a gear supports stereo sound.
But a decoder in your TV can support external 5.1 speakers.
There are two parameters in home theater specifications.
Consider the Q-series 9.1.2 ch.
/ HW-Q910C.9.1.2CH is the number of channels.Numder speakers this system has 17 speakers.
One channel can have multiple speakers (midrange and treble) for better sound.
Decoding the 9.1.2CH home theater format.
This soundbar supports 12 channels of sound.
Many companies are developing sound formats like Atmos or DTS.
This is the basis for creating surround sound.
The system will generate pseudo surround sounds if they are not in the audio stream.
