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DIM 30 and DIM 100 Measurements per IEC 60268-3 with ...
https://www.ap.com/technical-library/dim-30-and-dim-100-measurements-per-iec-60268-3-with-ap2700/#:~:text=DIM%20stands%20for%20Dynamic%20InterModulation%20distortion.%20It%20is,during%20transient%20conditions%20typical%20of%20audio%20program%20material.
Intermodulation Distortion - Diagnostics of Audio Systems
https://klippel.de/know-how/measurements/nonlinear-distortion/intermodulation-distortion.html
Intermodulation distortion can easily be detected by using a two-tone signal with varying frequencies of the excitation tones (“bass tone sweep” or “voice tone sweep”). The figure to the left illustrates the interpretation of the intermodulation distortion measurement using a fixed low frequency tone f 1 and a high frequency tone f 2 which is varied over the audio band (“voice …
Intermodulation Distortion (IMD)
https://sound-au.com/articles/intermodulation2.htm
It covers the specific case of sum and difference frequencies in detail, showing how they may not appear at all, despite considerable harmonic and intermodulation distortion. IMD (intermodulation Distortion) is one of the main culprits that can make amplifiers sound 'bad'. It's heavily reliant on harmonic distortion (THD - total harmonic distortion plus noise), but not in …
Intermodulation - Something 'New' To Ponder
https://sound-au.com/articles/intermodulation.htm
This is intermodulation distortion, and is shown at a representative level for an amplifier with a THD (total harmonic distortion) of around 0.0075%. (THD+N measured 0.013%). An amplifier with less distortion may show only the 7kHz tone, with the …
DIM 30 and DIM 100 Measurements per IEC 60268-3 with ...
https://www.ap.com/technical-library/dim-30-and-dim-100-measurements-per-iec-60268-3-with-ap2700/
DIM 30 and DIM 100 Measurements per IEC 60268-3 with AP2700. DIM stands for Dynamic InterModulation distortion. It is a technique used to measure the non-linearity of a device, and it’s designed to be particularly sensitive to distortions produced during transient conditions typical of audio program material. In DIM measurements, a square wave at a …
MT-053: Op Amp Distortion: HD, THD, THD + N, IMD, …
https://www.analog.com/media/en/training-seminars/tutorials/MT-053.pdf
INTERMODULATION DISTORTION (IMD) When a spectrally pure sinewave passes through an amplifier (or other active device), various harmonic distortion products are produced depending upon the nature and the severity of the non-linearity. However, simply measuring harmonic distortion produced by single tone
AMH-1 2nd Ed-4 - Audio Measurements
http://www.audiomeasurements.com/wp-content/uploads/2014/09/Audio_Measurement_Handbook.pdf
lished by Audio Precision, the measurement techniques described generally are not specific to Audio Precision instruments, but apply to any audio testing ... are used for intermodulation distortion testing, and large numbers of multiple sine waves are used for some new testing techniques. White noise, pink noise, ...
Audio Characterization Report for the DS1802 Dual Digital ...
https://pdfserv.maximintegrated.com/en/an/AN2119.pdf
Measurement Handbook published by Audio Precision, Incorporated. Intermodulation Distortion (IMD) Intermodulation distortion data is provided for the SMPTE and the CCIF intermodulation measurement standards. Data is presented as a function of amplitude for each measurement technique and is shown in Figures 9 (for SMPTE) and 10 (for CCIF). 3DJH RI
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