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| Need help about a filtter question | ||
| Author naoge Views 21 Posted at 2008/8/26 07:40 [View In Forum] | ||
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Dears,pfxirccpd I want to know the mean as followingpfxirccpd pfxirccpd 1.c-message weighting or c-notchpfxirccpd 2.psophometric weighting(p-weighting) p-notchpfxirccpd pfxirccpd Some can tell me? where can i found the data?pfxirccpd pfxirccpd pfxirccpd Thank you.pfxirccpd pfxirccpd hch16550 |
| Reply No. | Replier | Total Replies 1 [View All Replies] [New Reply] | Replied at |
| 1 | edu | Need help about a filtter question These curves are similar to the human ear's response to noise. Filtering telephone channel noise through them before measuring the noise output is a better predictor of perceived noise than measuring the channel. http://ftp.tiaonline.org/tr-41/tr4135/Public/TR41.3.5-ArchivesForContibutionsAndDocuments/TR41.3.5-00-11-050P - 470.110-C - Acoustics Draft 00 (103000).pdf is a document that has these curves on page 20 or so. (Actually the points of the curve in table format. |
2008/8/26 07:40 |
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