Searched refs:timeConstant (Results 1 - 6 of 6) sorted by relevance

/external/chromium_org/third_party/WebKit/Source/platform/audio/
H A DAudioUtilities.cpp54 double discreteTimeConstantForSampleRate(double timeConstant, double sampleRate) argument
56 return 1 - exp(-1 / (sampleRate * timeConstant));
H A DAudioUtilities.h37 // timeConstant is the time it takes a first-order linear time-invariant system
40 PLATFORM_EXPORT double discreteTimeConstantForSampleRate(double timeConstant, double sampleRate);
/external/chromium_org/third_party/WebKit/Source/modules/webaudio/
H A DAudioParamTimeline.h49 void setTargetAtTime(float target, double time, double timeConstant, ExceptionState&);
78 ParamEvent(Type type, float value, double time, double timeConstant, double duration, PassRefPtr<Float32Array> curve) argument
82 , m_timeConstant(timeConstant)
91 double timeConstant() const { return m_timeConstant; } function in class:blink::AudioParamTimeline::ParamEvent
H A DAudioParam.idl42 [RaisesException] void setTargetAtTime(float target, double time, double timeConstant);
H A DAudioParam.h94 void setTargetAtTime(float target, double time, double timeConstant, ExceptionState& exceptionState) argument
96 m_timeline.setTargetAtTime(target, time, timeConstant, exceptionState);
H A DAudioParamTimeline.cpp123 void AudioParamTimeline::setTargetAtTime(float target, double time, double timeConstant, ExceptionState& exceptionState) argument
129 || !isValidAudioParamTime(timeConstant, exceptionState, "Time constant"))
132 insertEvent(ParamEvent(ParamEvent::SetTarget, target, time, timeConstant, 0, nullptr));
153 && std::isfinite(event.timeConstant())
369 float timeConstant = event.timeConstant(); local
370 float discreteTimeConstant = static_cast<float>(AudioUtilities::discreteTimeConstantForSampleRate(timeConstant, controlRate));

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