如何规定扬声器系统的品质? - Klippel GmbH
如何规定扬声器系统的品质? - Klippel GmbH
如何规定扬声器系统的品质? - Klippel GmbH
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110<br />
100<br />
90<br />
dB<br />
80<br />
70<br />
60<br />
50<br />
40<br />
30<br />
2*10 1 20<br />
目标: 目标 : 可靠的测量 Target: Reliable Measurement<br />
超听力技术的好处 Benefits of Meta-hearing Meta hearing Technology:<br />
简单地定义PASS/FAIL极限 Simple definition of PASS / FAIL thresholds<br />
在听力极限下测量 Measurement below the hearing threshold<br />
<strong>如何规定扬声器系统的品质</strong>? How to Specify Sound Quality ?, 59<br />
[dB]<br />
没有补偿Without compensation<br />
regular<br />
R&B<br />
Limit<br />
Loose particle not detected<br />
50 100 200<br />
Frequency [Hz]<br />
400<br />
110<br />
100<br />
90<br />
dB<br />
80<br />
70<br />
60<br />
50<br />
40<br />
30<br />
2*101 20<br />
谐波失真<br />
有补偿With meta-hearing technology<br />
Limit<br />
Meta-hearing<br />
R&B<br />
Meta-hearing<br />
Harmonic Distortion<br />
驱动信号: 正弦扫频 Stimulus: Sinusoidal sweep<br />
-10<br />
-20<br />
-30<br />
-40<br />
-50<br />
-60<br />
-70<br />
-80<br />
IHD<br />
<strong>如何规定扬声器系统的品质</strong>? How to Specify Sound Quality ?, 60<br />
regular<br />
Loose particle detected<br />
50 100<br />
Frequency [Hz]<br />
IHD RMS of IHD<br />
PHD<br />
50 100 200 500<br />
Frequency [Hz]<br />
THDN<br />
www.klippel.de<br />
瞬时谐波失真 Instantaneous harmonic distortion<br />
谐波失真的平均值 Mean value of harmonic distortion<br />
峰值谐波失真 Peak harmonic distortion<br />
www.klippel.de<br />
200 400<br />
KLIPPEL
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