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Table 1 Transformed channel signals with five matrices

From: Expanded three-channel mid/side coding for three-dimensional multichannel audio systems

 

C M

C S

C T

M 0

C 1

C 2

C 3

M 1

C 1

2 2 Ssinθ(cotθ+sinφ)

2 2 Ssinθ(cotθ-sinφ)

M 2

2 2 Ssinθ(cotθ+cosφ)

C 2

2 2 Ssinθ(cotθ-cosφ)

M 3

Ssinθsin(φ+ π 4 )

Ssinθsin(φ- π 4 )

C 3

M 4

6 3 Ssinθ(cotθ+sin(φ+ π 4 ))

Ssinθsin(φ- π 4 )

6 3 Ssinθ( 2 2 sin(φ+ π 4 )-cotθ)

  1. The expression of transformed signals using five matrices with parameters θ, φ.