QTCaptureConnectionAudioAveragePowerLevelsAttribute Field

An NSArray of NSNumbers that correspond to the average power, in decibels, of each audio stream sent through the connection.

Applications that wish to display audio level meters for a specific connection can periodically check the value of this attribute. Average power levels change quickly and appear jumpy on a level meter. This string value can be used in key paths for key-value coding, key-value observing, and bindings.

Available in Mac OS X v10.5 and later.

Declaration Syntax

Visual Basic

Visual C++

public static readonly NSString QTCaptureConnectionAudioAveragePowerLevelsAttribute

Public Shared ReadOnly QTCaptureConnectionAudioAveragePowerLevelsAttribute As NSString

public:
static initonly NSString^ QTCaptureConnectionAudioAveragePowerLevelsAttribute

Version Information

Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)

Assembly: Monobjc.QTKit (Module: Monobjc.QTKit)