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Post by 90sboy on Jun 29, 2016 23:06:17 GMT
Well, I measured it for my SoundBlaster Live. It is, as expected 12 dB per octave. I think it is safe to say this holds for the AWE64 as well. As far as I can tell they sound almost identical.
I created a white noise sample, loaded it into Vienna and played it back (at the root key of course) using a cut-off frequency at 1000 Hz and recorded it. Then I used Audacity's Frequency Analysis to get the freq / level data, see this list with sample data:
Frequency (Hz) Level (dB)
86,132813 -30,925386 172,265625 -30,996742 258,398438 -31,364380 344,531250 -30,943270 430,664063 -30,587471 516,796875 -30,601698 602,929688 -30,263855 689,062500 -30,172775 775,195313 -30,268021 861,328125 -30,282942 947,460938 -30,533125 1033,593750 -31,053211 1119,726563 -31,576204 1205,859375 -32,230900 1291,992188 -33,411301 1378,125000 -34,342739 1464,257813 -35,369255 1550,390625 -35,705486 1636,523438 -36,316166 1722,656250 -37,263702 1808,789063 -38,219490 1894,921875 -39,363407 1981,054688 -40,344585 2067,187500 -41,429237 2153,320313 -41,955925 2239,453125 -42,300140 2325,585938 -42,903908 2411,718750 -43,691593 2497,851563 -44,085320 2583,984375 -44,894745 2670,117188 -45,480133 2756,250000 -46,218075 2842,382813 -46,406090 2928,515625 -47,160637 3014,648438 -47,670959 3100,781250 -47,975765 3186,914063 -48,393997 3273,046875 -48,916931 3359,179688 -49,353626 3445,312500 -49,757507 3531,445313 -50,333130 3617,578125 -50,759335 3703,710938 -51,434029 3789,843750 -51,690403 3875,976563 -51,909660 3962,109375 -52,374813 4048,242188 -52,711422 4134,375000 -53,055271 4220,507813 -53,226830 4306,640625 -53,778488 4392,773438 -53,834053 4478,906250 -54,118313 4565,039063 -54,679520 4651,171875 -55,022232 4737,304688 -55,198750 4823,437500 -55,530750 4909,570313 -56,036884 4995,703125 -56,304699 5081,835938 -56,635372 5167,968750 -56,920788 5254,101563 -57,441574 5340,234375 -57,290016 5426,367188 -57,458622 5512,500000 -57,681583 5598,632813 -58,131771 5684,765625 -58,553570 5770,898438 -59,059982 5857,031250 -59,226833 5943,164063 -59,556713 6029,296875 -59,973274 6115,429688 -59,772587 6201,562500 -60,152027 6287,695313 -60,543686 6373,828125 -60,251949 6459,960938 -60,377960 6546,093750 -60,472000 6632,226563 -60,898693 6718,359375 -61,397270 6804,492188 -61,567360 6890,625000 -61,919380 6976,757813 -62,146168 7062,890625 -61,969578 7149,023438 -62,365520 7235,156250 -62,263885 7321,289063 -62,412766 7407,421875 -62,838676 7493,554688 -63,226479 7579,687500 -63,258930 7665,820313 -63,337307 7751,953125 -63,580730 7838,085938 -63,869389 7924,218750 -63,828365 8010,351563 -64,118149 8096,484375 -64,417099 8182,617188 -64,642151 8268,750000 -64,880501 8354,882813 -65,229500 8441,015625 -65,436371 8527,148438 -65,328125 8613,281250 -65,536507 8699,414063 -65,549126 8785,546875 -65,802658 8871,679688 -66,018562 8957,812500 -66,296715 9043,945313 -66,504776 9130,078125 -66,544701 9216,210938 -66,461342 9302,343750 -66,650192 9388,476563 -66,578636 9474,609375 -66,728401 9560,742188 -66,660957 9646,875000 -66,903259 9733,007813 -67,161720 9819,140625 -67,400467 9905,273438 -67,507912 9991,406250 -67,864914 10077,539063 -68,210411 10163,671875 -68,013458 10249,804688 -68,222069 10335,937500 -68,314980 10422,070313 -68,503937 10508,203125 -68,532249 10594,335938 -68,465324 10680,468750 -68,591560 10766,601563 -68,766113 10852,734375 -68,833290 10938,867188 -68,798714 11025,000000 -69,198334 11111,132813 -69,328918 11197,265625 -69,292763 11283,398438 -69,221611 11369,531250 -69,558548 11455,664063 -69,526649 11541,796875 -69,701004 11627,929688 -70,338036 11714,062500 -70,328018 11800,195313 -70,388260 11886,328125 -70,468491 11972,460938 -70,550438 12058,593750 -70,536957 12144,726563 -70,784035 12230,859375 -70,701233 12316,992188 -70,695114 12403,125000 -70,818520 12489,257813 -71,002510 12575,390625 -70,960464 12661,523438 -71,064903 12747,656250 -71,262756 12833,789063 -71,538818 12919,921875 -71,525414 13006,054688 -71,565155 13092,187500 -71,627930 13178,320313 -71,958290 13264,453125 -72,407051 13350,585938 -72,155495 13436,718750 -72,292145 13522,851563 -72,387039 13608,984375 -72,368973 13695,117188 -72,344597 13781,250000 -72,808334 13867,382813 -72,754112 13953,515625 -72,732430 14039,648438 -72,817963 14125,781250 -72,774933 14211,914063 -73,137672 14298,046875 -73,281929 14384,179688 -73,528351 14470,312500 -73,356781 14556,445313 -73,127136 14642,578125 -73,168762 14728,710938 -73,800095 14814,843750 -73,766487 14900,976563 -73,852760 14987,109375 -74,078339 15073,242188 -74,035927 15159,375000 -74,233727 15245,507813 -74,221893 15331,640625 -74,440651 15417,773438 -74,595871 15503,906250 -74,455017 15590,039063 -74,644348 15676,171875 -74,627388 15762,304688 -74,809532 15848,437500 -74,575523 15934,570313 -74,863052 16020,703125 -75,051506 16106,835938 -75,158974 16192,968750 -75,184410 16279,101563 -75,132126 16365,234375 -75,083527 16451,367188 -75,189827 16537,500000 -75,562492 16623,632813 -75,793259 16709,765625 -75,774178 16795,898438 -75,833694 16882,031250 -75,957710 16968,164063 -75,891678 17054,296875 -75,983620 17140,429688 -76,442459 17226,562500 -76,696396 17312,695313 -76,815712 17398,828125 -76,648384 17484,960938 -75,953621 17571,093750 -75,752098 17657,226563 -76,078468 17743,359375 -76,585274 17829,492188 -76,897110 17915,625000 -77,007172 18001,757813 -77,025101 18087,890625 -77,311363 18174,023438 -77,277184 18260,156250 -77,158920 18346,289063 -77,778320 18432,421875 -77,942062 18518,554688 -77,633972 18604,687500 -77,670822 18690,820313 -77,969414 18776,953125 -78,135155 18863,085938 -78,062698 18949,218750 -78,058571 19035,351563 -78,289841 19121,484375 -78,337563 19207,617188 -78,248833 19293,750000 -78,221878 19379,882813 -78,399033 19466,015625 -78,936653 19552,148438 -78,817986 19638,281250 -79,058037 19724,414063 -79,400810 19810,546875 -79,007576 19896,679688 -79,095352 19982,812500 -79,264931 20068,945313 -79,108795 20155,078125 -79,579102 20241,210938 -80,071121 20327,343750 -79,539665 20413,476563 -79,628700 20499,609375 -80,073311 20585,742188 -79,673698 20671,875000 -79,865189 20758,007813 -80,143745 20844,140625 -80,453323 20930,273438 -80,283279 21016,406250 -80,276085 21102,539063 -80,458084 21188,671875 -81,371292 21274,804688 -81,711906 21360,937500 -81,811668 21447,070313 -81,993523 21533,203125 -82,338219 21619,335938 -82,884399 21705,468750 -83,499939 21791,601563 -84,085289 21877,734375 -84,657959 21963,867188 -84,856354
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