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DSP 15polar

The document presents a polar plot comparing sound pressure level (SPL) against angle, with various frequency bands and their corresponding bandwidth (BW), quality factor (Q), and directivity index (DI). Measurements were taken at 1W/1m, and specific frequencies are highlighted, including 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, and 8kHz. The data was recorded on November 17, 2004, with additional project details noted for January 12, 2006.

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Fei Zhao
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30 views1 page

DSP 15polar

The document presents a polar plot comparing sound pressure level (SPL) against angle, with various frequency bands and their corresponding bandwidth (BW), quality factor (Q), and directivity index (DI). Measurements were taken at 1W/1m, and specific frequencies are highlighted, including 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, and 8kHz. The data was recorded on November 17, 2004, with additional project details noted for January 12, 2006.

Uploaded by

Fei Zhao
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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SPL vs Angle

dBSPL 90
105
100 120 60 Curve Freq BW Q DI
95 250.00 360 1.0 0.0
90 500.00 360 1.0 0.0
85 1.00K 200 1.8 2.6
80 2.00K 62 5.8 7.7
75 150 30
4.00K 47 7.6 8.8
70 8.00K 62 5.8 7.7
65
60
55
50
45-180
180 0 Deg
50
55
60
65
70
75
80 -150 -30
85
90
95
100 -120 -60
105
-90
89: PolarConv F= 250.0000 92: PolarConv F= 2.0000K
Map

90: PolarConv F= 500.0000 93: PolarConv F= 4.0000K


91: PolarConv F= 1.0000K 94: PolarConv F= 8.0000K

Measured at 1W/1m
Notes

Nov 17, 2004 Wed 11:19 am Nov 17, 2004 Wed 11:19 am

4.5.0.352 Person: Project: Jan 12, 2006


Jul/01/2005 Company: File: DSP-15_polar.lib Thr 3:30 pm

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