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Full article
Intro
This is a study of different headphone measurement systems. Each system here is investigated based on the average error and standard deviation compared to the reference measurement. The reference measurement in this case is the measurement done by oratory1990 with the same headphone model. The headphone units measured on the different systems here and the units measured by oratory1990 are not the same. It's the same model but different unit. This means that the unit variance which is a problem in every headphone model affects these results making them less reliable.
Conclusion
I had decided (guessed) the order of precedence used for recommending results in AutoEq for cases where multiple measurements exist for a given headphone to be:
1. oratory1990
2. Crinacle
3. Innerfidelity
4. Headphone.com
5. Rtings
6. Reference Audio Analyzer
This was before these calibration experiments. What we see here seems to agree pretty well. The list above is more or less the order of standard deviation from smallest to highest. Measurement systems with smaller standard deviation from the industry standard (oratory1990) are preferable to the ones with higher deviation.
Intro
This is a study of different headphone measurement systems. Each system here is investigated based on the average error and standard deviation compared to the reference measurement. The reference measurement in this case is the measurement done by oratory1990 with the same headphone model. The headphone units measured on the different systems here and the units measured by oratory1990 are not the same. It's the same model but different unit. This means that the unit variance which is a problem in every headphone model affects these results making them less reliable.
Conclusion
I had decided (guessed) the order of precedence used for recommending results in AutoEq for cases where multiple measurements exist for a given headphone to be:
1. oratory1990
2. Crinacle
3. Innerfidelity
4. Headphone.com
5. Rtings
6. Reference Audio Analyzer
This was before these calibration experiments. What we see here seems to agree pretty well. The list above is more or less the order of standard deviation from smallest to highest. Measurement systems with smaller standard deviation from the industry standard (oratory1990) are preferable to the ones with higher deviation.
