What does 7.1 mean in surround sound?

What does 7.1 mean in surround sound?

7.1 surround sound is the common name for an eight-channel surround audio system commonly used in home theatre configurations. It adds two additional speakers to the more conventional six-channel (5.1) audio configuration.

What is a 7.2 sound system?

A 7.2 receiver is a high end audio video receiver supporting surround sound. … The ".2" indicates the 7.2 receiver's support for two specialized channels that handle only very low frequencies – otherwise known as Low Frequency Effects or LFE – which are output to specialized speakers called subwoofers.

What is better 5.1 or 7.1 surround sound?

A 5.1 surround sound system uses 6 channels (feeding into 6 speakers) to create surround sound. 7.1 surround sound systems use 8 channels. The two extra channels of sound (and two extra speakers) provide a slightly better audio quality.