Nonlinear Distortion
Nonlinear Distortion
Harmonic Distortion
- Total harmonic distortion (THD, THD+N)
- Nth-order component versus frequency and amplitude
- Hi-2 distortion (weighted low order harmonics)
- Equivalent input distortion
Intermodulation Distortion
- Nth-order difference-tone and summed-tone intermodulation
- Total intermodulation distortion (absolute and relative)
- Amplitude modulation distortion
Multi-tone Distortion
- Relative multi-tone distortion
- Distortion-noise-ratio
Separated Loudspeaker Distortion
- Total distortion in a reproduced audio signal
- Distortion generated by force factor Bl(x)
- Distortion generated by stiffness Kmx(x)
- Distortion generated by inductance Le(x)
- Distortion generated by inductance Le(i)
Compression of Fundamental Components
- Output amplitude versus input amplitude
- Thermal power compression
- Nonlinear amplitude compression
DC Displacement – Dynamic Offset the Voice Coil
- DC displacement versus frequency
- DC displacement versus amplitude
- Asymmetrical probability function pdf
- Peak-bottom value
Rub & Buzz and Impulsive Distortion
- Peak value of higher-order harmonics
- Rms value of higher-order harmonics
- Crest-factor of higher-order harmonics
- Crest-factor versus voice coil displacement
- Peak value of deterministic component
- Peak value of random component
- Isolated defect distortion
- Noise immunity
Air Leakage Noise
- Absolute envelope of modulated noise MOD
- Relative envelope of modulated noise RMOD
- Peak value of random distortion RAND
- Peak value of deterministic distortion DET
- Crest factor of deterministic distortion CREST
- Inter-channel delay time
- Incident angle
- Mechanical loss factor Qms
- Port resonance frequency fp
- Quality factor representing box leakage
Auralization
- Distortion generated by force factor Bl(x)
- Distortion generated by stiffness Kmx(x)
- Distortion generated by inductance Le(x)
- Distortion generated by inductance Le(i)
- Voice coil displacement
- Voice coil temperature
- Voltage, current and input power
Maximum SPL
- Tone burst measurement according to ANSI CEA-2010