Surround is sometimes used interchangeably with Surround Sound, meaning audio with more than two channels and speaker locations.
It's also shorthand for the Surround Channel in a Surround Sound format that only uses a single Rear Channel.
Surround
Related glossary terms
5.1 Audio
7.1 Audio
AAC
AAC LC
AacPlus v2
AC-3 VS
AC3
AUDIO_TS
Dolby
Dolby Digital
Dolby Digital Plus
Dolby Pro Logic
Dolby Pro Logic II
Dolby Surround
Dolby TrueHD
Downmix
DTS
DTS-HD
DVD-A
DVD-Audio
DVD-Audio Zone
DVD-Video
DVD-Video Zone
Frequency
HE-AAC
Left Surround Channel
LPCM
MP2
MP3
MP3+G
MPA
Muxing
Nyquist-Shannon Sampling Theorem
Rear Channel
Surround Channel
Surround Sound
