Om
1.0.0
A universal framework for multimedia simulation
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A class that contains various standard acoustic metrics that are derived from an impulse response. More...
#include <omAcousticMetrics.h>
Public Member Functions | |
AcousticMetrics () | |
Create a new acoustic metrics object with the default metric values. More... | |
~AcousticMetrics () | |
Destroy an acoustic metrics object and release all internal resources. More... | |
Public Attributes | |
FrequencyData | t60 |
T60, the reverberation time, the time in seconds that it takes for the sound energy to decay by 60dB after the first 5 dB of decay. More... | |
FrequencyData | edt |
EDT, the early decay time, obtained from the first 10dB of the IR's decay from its peak level. More... | |
FrequencyData | c50 |
C50, the difference in decibels between the energy arriving in the first 50ms to the late energy. More... | |
FrequencyData | c80 |
C80, the difference in decibels between the energy arriving in the first 80ms to the late energy. More... | |
FrequencyData | d50 |
D50, the ratio of sound energy from the first 50ms to total sound energy, measured as a fraction between 0 and 1. More... | |
FrequencyData | g |
G, the sound strength, measured in decibels. More... | |
FrequencyData | ts |
TS, the center time, measured in seconds, the center of mass of the energy in the impulse response. More... | |
FrequencyData | lf |
LF, the fraction between 0 and 1 of the energy that arrives within the first 80ms from lateral directions. More... | |
FrequencyData | lfc |
LFC, the fraction between 0 and 1 of the energy that arrives within the first 80ms from lateral directions, cosine weighted. More... | |
FrequencyData | iacc |
IACC, the inter-aural cross correlation, a measure of the similarity of the sound at each ear between 0 and 1. More... | |
Time | firstArrival |
The time, measured in seconds, of the first arrival from the sound source. More... | |
Time | decayStart |
The time in the impulse response, measured in seconds, where the diffuse sound energy starts to decay. More... | |
Time | irLength |
The length, measured in seconds, of the impulse response. More... | |
A class that contains various standard acoustic metrics that are derived from an impulse response.
om::sound::acoustics::base::AcousticMetrics::AcousticMetrics | ( | ) |
Create a new acoustic metrics object with the default metric values.
om::sound::acoustics::base::AcousticMetrics::~AcousticMetrics | ( | ) |
Destroy an acoustic metrics object and release all internal resources.
FrequencyData om::sound::acoustics::base::AcousticMetrics::t60 |
T60, the reverberation time, the time in seconds that it takes for the sound energy to decay by 60dB after the first 5 dB of decay.
FrequencyData om::sound::acoustics::base::AcousticMetrics::edt |
EDT, the early decay time, obtained from the first 10dB of the IR's decay from its peak level.
FrequencyData om::sound::acoustics::base::AcousticMetrics::c50 |
C50, the difference in decibels between the energy arriving in the first 50ms to the late energy.
FrequencyData om::sound::acoustics::base::AcousticMetrics::c80 |
C80, the difference in decibels between the energy arriving in the first 80ms to the late energy.
FrequencyData om::sound::acoustics::base::AcousticMetrics::d50 |
D50, the ratio of sound energy from the first 50ms to total sound energy, measured as a fraction between 0 and 1.
FrequencyData om::sound::acoustics::base::AcousticMetrics::g |
G, the sound strength, measured in decibels.
FrequencyData om::sound::acoustics::base::AcousticMetrics::ts |
TS, the center time, measured in seconds, the center of mass of the energy in the impulse response.
FrequencyData om::sound::acoustics::base::AcousticMetrics::lf |
LF, the fraction between 0 and 1 of the energy that arrives within the first 80ms from lateral directions.
FrequencyData om::sound::acoustics::base::AcousticMetrics::lfc |
LFC, the fraction between 0 and 1 of the energy that arrives within the first 80ms from lateral directions, cosine weighted.
FrequencyData om::sound::acoustics::base::AcousticMetrics::iacc |
IACC, the inter-aural cross correlation, a measure of the similarity of the sound at each ear between 0 and 1.
Time om::sound::acoustics::base::AcousticMetrics::firstArrival |
The time, measured in seconds, of the first arrival from the sound source.
Time om::sound::acoustics::base::AcousticMetrics::decayStart |
The time in the impulse response, measured in seconds, where the diffuse sound energy starts to decay.
Time om::sound::acoustics::base::AcousticMetrics::irLength |
The length, measured in seconds, of the impulse response.