Constant |
Value |
Description |
kAudioChannelCoordinates_Azimuth
|
0 |
For spherical coordinates, 0 is front center, positive is right, negative is left. This is measured in degrees.
|
kAudioChannelCoordinates_BackFront
|
1 |
For rectangulare coordinates, negative is back and positive is front.
|
kAudioChannelCoordinates_Distance
|
2 |
For spherical coordinates, the units are described by flags.
|
kAudioChannelCoordinates_DownUp
|
2 |
For rectangulare coordinates, negative is below ground level, 0 is ground level, and positive is above ground level.
|
kAudioChannelCoordinates_Elevation
|
1 |
For spherical coordinates, +90 is zenith, 0 is horizontal, -90 is nadir. This is measured in degrees.
|
kAudioChannelCoordinates_LeftRight
|
0 |
For rectangulare coordinates, negative is left and positive is right.
|
Constant |
Value |
Description |
kAudioChannelFlags_AllOff
|
0 |
All flags off.
|
kAudioChannelFlags_Meters
|
4 |
Set to indicate the units are in meters, clear to indicate the units are relative to the unit cube or unit sphere.
|
kAudioChannelFlags_RectangularCoordinates
|
1 |
The channel is specified by the cartesioan coordinates of the speaker position. This flag is mutally exclusive with kAudioChannelFlags_SphericalCoordinates.
|
kAudioChannelFlags_SphericalCoordinates
|
2 |
The channel is specified by the spherical coordinates of the speaker position. This flag is mutally exclusive with kAudioChannelFlags_RectangularCoordinates.
|