ORKAudioGenerator Class Reference
Inherits from | NSObject |
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Declared in | ORKAudioGenerator.h ORKAudioGenerator.m |
– volumeInDecibels
Returns the peak audio volume being currently played, in decibels (dB).
- (double)volumeInDecibels
Return Value
The current audio volume in decibels.
Declared In
ORKAudioGenerator.h
– volumeAmplitude
Returns the peak audio volume amplitude being currently played (from 0 to 1).
- (double)volumeAmplitude
Return Value
The current audio volume amplitude.
Declared In
ORKAudioGenerator.h
– playSoundAtFrequency:
Plays a tone at a specific frequency in stereo.
- (void)playSoundAtFrequency:(double)frequency
Parameters
frequency |
The audio frequency in hertz. |
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Discussion
The sound is a “pure” sinusoid tone.
Declared In
ORKAudioGenerator.h
– playSoundAtFrequency:onChannel:fadeInDuration:
Plays a tone at a specific frequency on a specific channel, with a fade-in effect.
- (void)playSoundAtFrequency:(double)frequency onChannel:(ORKAudioChannel)channel fadeInDuration:(NSTimeInterval)duration
Parameters
frequency |
The audio frequency in hertz. |
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channel |
The audio channel (left or right). |
duration |
The fade-in duration. |
Discussion
The sound is a “pure” sinusoid tone. The fade-in effect is applied linearly for the peak amplitude, from a 0 to 1 factor.
Declared In
ORKAudioGenerator.h