How is speaker accuracy measured?
Total Harmonic Distortion is important when considering equipment, but only to a certain point.
What Is Total Harmonic Distortion?
There is a bit of math involved to calculate Total Harmonic Distortion.
Lower percentages are better.
When comparing the two signals on a graph, you might notice the slight differences.
Fundamental vs. Harmonic Frequencies
Music is made of fundamental and harmonic frequencies.
This happens when unwanted harmonic frequenciesones not present in the original input signalare generated and added to the output.
Such gross alteration could lead to an experience where instruments sound unnatural.
Moreover, the specification for Total Harmonic Distortion is an average.
So music composition also plays a small role.
Some musicians and audiophiles, however, may notice that level of distortion.
High THD is indicative of an electrical problem with the audio equipment.
Use a THD analyzer to automate the process.
Intermodulation Distortion (IMD)is a measure of the non-harmonic frequencies added to an input signal.
