Chapter 10
Surround sound techniques
5.1 surround sound uses five discrete channels of audio plus a subwoofer which contains mainly LF effects. In this chapter, the channels will be referred to as LF, C, RF (left front, centre, right front) for the front channels and LS, RS (left surround, right surround) for the rear channels. LFE refers to the use of a subwoofer, which in cinema is used for ‘low frequency effects’, and it is a mono channel used for enhancement of very low frequencies. In orchestral recording, its use will usually be limited to some bass drum and bass spot signal.
10.1 Purpose of surround sound in classical music recording
The move from mono to stereo in the 1950s and 1960s meant that instruments could be spatially separated ...
