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Notice: We're proud to introduce Test Bench 2.0, which overhauls our audio measurements, with new tests and usages. There's even a brand new multi-target graphing tool! You can read all about this in our changelog, featuring commentary from our Test Designer, Pierre. We'll also be holding an AMA on our Discord Channel on May 1.
Weighted Harmonic Distortion Scores and Tests
Headphones
Updated Nov 11, 2019 at 12:47 pm
What it is:
The amount of subtle, unwanted frequencies (harmonics) produced alongside the intended frequencies by the headphones. This test differs from Total Harmonic Distortion (THD) by applying a perceptual filter to each individual harmonic before calculating the total. Higher harmonics and frequencies are given more weight.
When it matters:
When clean and pure sound reproduction is desired. Harmonic distortion is relatively difficult to hear, so it should only matter to those who care about the fidelity of sound reproduction.
Score distribution
[Coming soon]
Test results
Our Tests
Weighted Harmonic Distortion at 90dB SPL
What it is:
The overall amount of harmonic distortion produced by the headphones at 94dB SPL. This test differs from Total Harmonic Distortion (THD) by weighting individual harmonics. Higher harmonics are given more weight -n²/4 and then A-weighted against frequency before calculating the average.
When it matters:
When a pure and clean sound is desired at moderate listening levels. Harmonic distortion is relatively difficult to hear, so it should only matter to those who care about the fidelity of sound reproduction.
Score distribution
[coming soon]
Weighted Harmonic Distortion at 100dB SPL
What it is:
The overall amount of harmonic distortion produced by the headphones at 104dB SPL. This test differs from Total Harmonic Distortion (THD) by weighting individual harmonics. Higher harmonics are given more weight -n²/4 and then A-weighted against frequency before calculating the average.
When it matters:
When a pure and clean sound is desired at high listening levels. Harmonic distortion is relatively difficult to hear, so it should only matter to those who care about the fidelity of sound reproduction.
Score distribution
[coming soon]
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Comments
Weighted Harmonic Distortion Scores and Tests: Headphones: Main Discussion
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Update: Converted to Test Bench 1.3.1.