ZegoVocalRangeParam Class Reference Inherits from NSObject Declared in ZegoExpressDefines.h Overview Vocal range configuration. min The minimum distance at which the 3D sound effect starts to have attenuation effect, the value needs to be >= 0 and <= max, the default value is 0. @property (nonatomic, assign) float min Declared In ZegoExpressDefines.h max The maximum range of the sound, the value needs to be >= min, the default value is 0. @property (nonatomic, assign) float max Declared In ZegoExpressDefines.h