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add cmvn #540
add cmvn #540
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add cmvn
Hi @wanglong001 Thanks for the PR. We love this addition to torchaudio. Assuming this corresponds to
|
We have |
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Looks mostly good.
torchaudio/transforms.py
Outdated
@@ -26,6 +26,7 @@ | |||
'Fade', | |||
'FrequencyMasking', | |||
'TimeMasking', | |||
"SlidingWindowCmn", |
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Could you use single quote so that it looks more consistent with the others?
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ths
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Hi @wanglong001
Thanks for the PR. We love this addition to torchaudio.
To merge this PR, we need a few things, in addition to fixing the current test failure.Assuming this corresponds to
apply-cmvn-sliding
command from Kaldi, we need to add the compatibility check in test.
- We need to create a set of sample data that represents what Kaldi produces, which can be used in test.
What are the commands (options forapply-cmvn-sliding
), this Python implementation is compatible with?- Can we add a test suite in
test/test_functional.py
that reads input data, pass them tosliding_window_cmn_internal
and compare the result with expected result?
HI, @mthrok , I tested, CMVN results are consistent with Kaldi produces
Kaldi produces:
test [ -0.2978237 -3.957721 -1.691367 -0.8017386 -0.1020617 0.7112818 1.032329 -0.07302935 -0.364126 -1.116751 -1.52251 0.008113492 0.6255074 0.2103512 -2.065425 -3.816057 -4.010491 -5.313768 -4.361475 -3.638874 -3.174215 -3.710273 -2.913771 -1.385493 -0.05104687 -0.3916942 -0.1137991 -0.4392033 0.1804291 -0.9255709 -1.088666 -1.524429 -1.000161 -1.45257 -1.327303 -0.7260036 -0.2312086 0.4410149 0.2573555 0.4030849 0.4006264 -0.3765712 0.4998532 0.3766024 1.700068 1.545152 2.894449 2.408592 2.028765 0.5500979 1.357298 1.732662 2.102398 3.12371 1.658175 -0.07140766 -1.650993 -2.856858 -2.421155 -2.578214 -0.9135854 -1.476693 -1.476091 -0.08946308 1.441404 0.8711346 0.9737606 2.655646 2.822439 0.4792782 -0.3406159 0.1678409 0.8757191 0.1234999 -0.6352221 0.4807768 1.081321 1.441535 1.359365 1.144065 0.4634563 0.04009861 0.4686528 -0.03200705 1.544268 1.596862 2.588459 1.933711 1.560324 0.4208693 0.2876002 1.620412 2.402887 2.347301 0.4475754 -1.333086 -2.693162 -3.084388 -2.819175 -3.223354 -2.203945 -1.836033 -1.859041 -0.7428044 0.8772426 0.02372437 0.3243809 1.992488 2.41502 0.08470878 -1.248146 -0.1552487 0.415659 -0.3751296 -2.249642 -1.400303 -0.9902093 -1.121125 -0.2403948 -0.02057447 -0.3575848 0.3077492 0.4317036 0.3063223 0.984347 0.8403406 1.598718 0.8940803 -0.1595858 -0.8741823 -0.6935915 0.09939348 0.4506874 -0.0337093 -1.115825 -2.622287 -4.711492 -4.556859 -4.668654 -5.444584 -3.740125 -3.011553 -2.973071 -1.986133 -0.1995359 -0.06490441 -0.2038088 0.9230375 1.61049 -0.9130806 -2.337496 -0.8909388 0.3564282 -1.37235 -2.773633 -2.053204 -2.349449 -1.753065 -0.4463646 -0.8244952
this produces:
tensor([[-0.2978, -3.9577, -1.6914, ..., 0.4410, 0.2574, 0.4031], [ 0.4006, -0.3766, 0.4999, ..., 1.4415, 1.3594, 1.1441], [ 0.4635, 0.0401, 0.4686, ..., -1.1211, -0.2404, -0.0206], ..., [-4.7276, -3.1761, -2.5138, ..., -1.3461, -2.5248, -2.8029], [-4.8128, -2.6665, -3.4212, ..., -2.8407, -2.7148, -2.8011], [-4.5950, -3.4546, -3.6095, ..., -3.4438, -2.6217, -2.7752]])
this Python implementation is compatible with Kaldi CMVN
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Hi @wanglong001
Thanks for checking the compatibility. That's great that it's compatible with Kaldi's output. Can you provide me with the Kaldi command you used? Just to make sure I would like to reproduce your result on my end. And also we would like to add that to our test suite so that in future someone changes the code we can maintain the integrity of the functionality.
We do not have Kaldi compatibility test which is simple enough for external contributor to write, so once I get the command line from you I can add that to test suite so that this function works as intended in future too.
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Hi @mthrok
Very professional !!!
PYTHON
feats = torch.randn(40, 10) with WriteHelper('ark,t:/tmp/t1.txt') as writer: writer("test", feats.numpy()) feats = slidingWindowCmnInternal(feats, center=False, cmvn_window=600, norm_vars=False)
KALDI COMMAND
apply-cmvn-sliding ark,t:/tmp/t1.txt ark,t:/tmp/t1_cmvn.txt
/tmp/t1.txt
test [
-1.2092187404632568 -0.2452489286661148 -0.10354653745889664 -1.055932879447937 0.6074185371398926 1.2994794845581055 -0.9786869287490845 0.4241405725479126 -1.7869689464569092 -0.3930174708366394
1.3758515119552612 2.271512269973755 1.547525405883789 0.09755882620811462 0.6663862466812134 -0.14491936564445496 0.010599859058856964 0.3704547882080078 -0.026905754581093788 0.9940603375434875
0.3229313790798187 0.45287033915519714 -1.9792391061782837 -0.46716856956481934 -0.3847292363643646 1.2056677341461182 -0.5216332077980042 0.4214261472225189 0.9459046125411987 -0.6201861500740051
-0.6755410432815552 0.18953222036361694 -2.453876256942749 -0.4136284291744232 -1.6230759620666504 1.6343038082122803 -0.2785346806049347 0.6952822208404541 1.5572190284729004 -0.15103335678577423
0.7448609471321106 0.9225212931632996 0.08566032350063324 0.30956557393074036 -0.5720630884170532 -0.27443450689315796 -0.5298489332199097 -0.2935234308242798 -0.7056423425674438 2.207134246826172
0.303416907787323 1.2786098718643188 -0.12336374819278717 -0.9351986646652222 0.3644144535064697 -0.7463241815567017 1.4035923480987549 0.27524638175964355 -0.0467388853430748 0.9172043800354004
-0.7640166282653809 -1.3739436864852905 2.007477283477783 0.9553800225257874 -0.597091794013977 -0.6707907319068909 0.10798247158527374 1.2496613264083862 0.7424683570861816 1.5249921083450317
0.3980518877506256 -0.999061107635498 -0.9398044943809509 0.40981823205947876 0.6541479825973511 0.8159498572349548 -0.10985129326581955 1.022978663444519 -1.6536064147949219 0.6017708778381348
0.3204551637172699 -0.8455250859260559 -0.6287296414375305 -0.06087707728147507 -0.3673917353153229 1.2744295597076416 0.4158554673194885 0.5116289258003235 -0.8029524087905884 0.423404723405838
-0.47009897232055664 0.5491663217544556 -2.34041690826416 0.5639355182647705 0.8848018050193787 1.0180824995040894 1.2150442600250244 1.3364535570144653 -0.19417907297611237 0.24204368889331818
0.6246862411499023 0.39906013011932373 -0.7155704498291016 0.006444863975048065 0.3321879208087921 1.678318738937378 1.1174615621566772 -0.2640886902809143 -0.15615008771419525 -0.9037182331085205
0.7920187711715698 0.5783515572547913 -1.188904047012329 -0.4041592478752136 -0.7321376204490662 0.059093113988637924 -1.246921181678772 -0.6501733660697937 1.715835690498352 2.0756399631500244
-0.17813552916049957 -0.44768399000167847 -1.1387429237365723 0.2032758593559265 -1.7872635126113892 0.21826878190040588 -3.098574638366699 -1.1429184675216675 0.7085928320884705 -1.168757438659668
0.07852610945701599 -1.3787460327148438 0.5427438020706177 0.07594803720712662 0.550636351108551 1.2864513397216797 -1.4941885471343994 -0.9298434257507324 1.833871841430664 0.24510546028614044
0.34600722789764404 1.4709651470184326 -0.19937828183174133 0.09141021966934204 1.5486915111541748 -0.4029368460178375 0.8056784272193909 0.053414445370435715 -1.7138036489486694 -0.19163841009140015
-0.6733019948005676 0.6173000931739807 -0.14437831938266754 -0.2538401782512665 0.47160375118255615 -1.6405439376831055 -0.8501981496810913 -0.6651865839958191 0.662636399269104 0.21473029255867004
-0.6396039724349976 0.2518253028392792 -1.3881373405456543 -0.04230407997965813 0.5668030977249146 -0.15674689412117004 -1.7664361000061035 1.01475191116333 -0.04886173456907272 0.8592840433120728
-0.4908730387687683 1.6541380882263184 -0.5007355213165283 -0.5055148005485535 1.3684736490249634 -1.6074591875076294 0.12517008185386658 -0.6648843884468079 1.1866555213928223 0.1114572212100029
-0.7519335746765137 -0.49858492612838745 2.091794013977051 -0.42229363322257996 -1.4436630010604858 0.5567572712898254 -0.1677234023809433 0.05117766559123993 0.731659471988678 -0.20385245978832245
0.32324153184890747 -0.10049401968717575 1.579226016998291 0.7150881290435791 0.20265425741672516 -0.29284852743148804 0.6828510761260986 2.0449142456054688 -2.7959678173065186 2.9863431453704834
-0.9678743481636047 -1.7277352809906006 -0.6008355021476746 -0.6325292587280273 -1.2347840070724487 -0.38209405541419983 -0.38333404064178467 0.5440695285797119 1.1540812253952026 0.392869234085083
0.1663489192724228 0.12225817888975143 -1.6994049549102783 -0.9291478395462036 -0.6442187428474426 3.121890068054199 0.9056876301765442 -0.9223313331604004 -0.8339102268218994 -0.17442043125629425
-0.013405872508883476 -0.8903205990791321 -0.37287694215774536 1.3863939046859741 1.0475677251815796 0.6418140530586243 1.437076210975647 1.3522521257400513 -0.28179964423179626 -1.4045377969741821
-0.778570830821991 0.5407215356826782 1.703031063079834 1.4699496030807495 0.7289568185806274 -0.5236309766769409 -0.1954544484615326 -0.18744006752967834 0.8091910481452942 -0.9062354564666748
-1.0162575244903564 -0.8560374975204468 -1.056389331817627 0.3531910181045532 0.1619015336036682 -0.28672996163368225 -1.1198407411575317 0.04759075120091438 -0.4830250144004822 -0.48468032479286194
1.1461893320083618 0.20625630021095276 0.20927461981773376 0.2557945251464844 0.47662121057510376 -0.6418120265007019 -0.2985978126525879 1.0127915143966675 -0.398916631937027 -1.4456056356430054
0.2262343019247055 -0.8553360104560852 0.10127707570791245 0.18299366533756256 0.31477582454681396 0.15762250125408173 -1.6080231666564941 1.5433456897735596 -1.0751574039459229 1.2443770170211792
-0.0771719440817833 0.10441994667053223 0.7341253161430359 1.2573859691619873 0.6562386751174927 -0.6382467150688171 -0.05928630009293556 -1.0132511854171753 -0.5974369645118713 0.40967586636543274
0.004415785428136587 -0.4210253357887268 0.7442784905433655 -0.5725408792495728 0.5462195873260498 -1.0933852195739746 -1.1129332780838013 -0.6032747626304626 1.8345623016357422 1.1984893083572388
0.6331589818000793 1.3837802410125732 0.5318757891654968 -0.6840939521789551 0.8321081399917603 0.25050145387649536 -1.1622778177261353 -0.7050056457519531 -0.06549245119094849 -1.4602961540222168
0.3204069435596466 -0.8191430568695068 0.4573107361793518 -1.2136025428771973 -0.5675181746482849 -0.7266758680343628 -0.031212201341986656 -0.12012416124343872 -0.29710572957992554 0.9852219223976135
1.4262821674346924 -0.2672862410545349 1.0378899574279785 -0.7522720694541931 -0.6533710956573486 -1.3227550983428955 -0.44243836402893066 -1.5958774089813232 -1.5162904262542725 1.209925889968872
-0.11565983295440674 -0.35410958528518677 -0.5972486734390259 -0.4434187114238739 2.4614715576171875 0.03463190793991089 1.1184158325195312 0.6207089424133301 0.5573611259460449 0.6690876483917236
-0.6895540356636047 -0.3429434597492218 1.1756212711334229 -0.09356377273797989 0.4086296856403351 -0.8162238001823425 1.1158862113952637 0.6267895102500916 -2.8943655490875244 -0.132553830742836
0.2839597165584564 1.3107786178588867 -0.5829496383666992 1.0912151336669922 1.2699445486068726 -0.9851419925689697 0.0008430131711065769 -0.6517494320869446 -0.2845141589641571 -1.7359248399734497
-1.0942730903625488 -0.23687131702899933 -1.069266438484192 0.5593739748001099 0.8239039182662964 -0.9064173698425293 0.8374661803245544 -1.6963270902633667 1.6548678874969482 0.2801225781440735
1.8101776838302612 -0.9648396968841553 -0.6196779608726501 -1.1564671993255615 -0.07477502524852753 1.193432092666626 1.2495510578155518 -1.7690165042877197 -1.1298855543136597 0.9360997676849365
1.523394227027893 -0.9413297176361084 -0.8621751666069031 0.9638739824295044 -1.8268489837646484 -0.3881881535053253 -0.7219868302345276 -0.4678535461425781 0.484478622674942 -2.668909788131714
0.2339848130941391 0.03133305534720421 0.27131256461143494 -0.009103471413254738 0.1773773729801178 -0.5420222878456116 -0.15730808675289154 -0.5197650194168091 -1.948490023612976 1.046708106994629
1.2467955350875854 1.1625522375106812 -0.14371293783187866 0.19678127765655518 0.1502665877342224 -1.8948307037353516 -1.5621964931488037 -1.504028081893921 0.46749237179756165 -0.2627536356449127 ]
KALDI CMVN
test [
-1.310366 -0.2685411 0.0621769 -1.058376 0.4632868 1.315441 -0.7949788 0.4528302 -1.669687 -0.5797082
1.274704 2.24822 1.713249 0.0951158 0.5222545 -0.1289578 0.194308 0.3991444 0.09037646 0.8073696
0.2217838 0.4295782 -1.813516 -0.4696116 -0.528861 1.221629 -0.3379251 0.4501157 1.063187 -0.8068768
-0.7766887 0.16624 -2.288153 -0.4160714 -1.767208 1.650265 -0.09482656 0.7239718 1.674501 -0.337724
0.6437133 0.8992291 0.2513838 0.3071226 -0.7161949 -0.2584729 -0.3461408 -0.2648338 -0.5883601 2.020444
0.2022693 1.255318 0.04235969 -0.9376417 0.2202827 -0.7303626 1.5873 0.303936 0.07054333 0.7305137
-0.8651643 -1.397236 2.173201 0.952937 -0.7412236 -0.6548291 0.2916906 1.278351 0.8597506 1.338301
0.2969043 -1.022353 -0.7740811 0.4073752 0.5100162 0.8319114 0.07385683 1.051668 -1.536324 0.4150802
0.2193075 -0.8688173 -0.4630062 -0.06332011 -0.5115235 1.290391 0.5995636 0.5403185 -0.6856702 0.2367141
-0.5712466 0.5258741 -2.174694 0.5614925 0.74067 1.034044 1.398752 1.365143 -0.07689686 0.05535303
0.5235386 0.3757679 -0.549847 0.004001837 0.1880562 1.69428 1.30117 -0.2353991 -0.03886787 -1.090409
0.6908711 0.5550594 -1.023181 -0.4066023 -0.8762694 0.07505472 -1.063213 -0.6214838 1.833118 1.888949
-0.2792832 -0.4709762 -0.9730195 0.2008328 -1.931395 0.2342304 -2.914866 -1.114229 0.825875 -1.355448
-0.02262152 -1.402038 0.7084672 0.07350501 0.4065046 1.302413 -1.31048 -0.9011539 1.951154 0.0584148
0.2448596 1.447673 -0.03365485 0.08896719 1.40456 -0.3869752 0.9893866 0.08210403 -1.596521 -0.3783291
-0.7744496 0.5940079 0.02134512 -0.2562832 0.327472 -1.624582 -0.66649 -0.636497 0.7799186 0.02803963
-0.7407516 0.2285331 -1.222414 -0.04474711 0.4226713 -0.1407853 -1.582728 1.043442 0.06842048 0.6725934
-0.5920207 1.630846 -0.3350121 -0.5079578 1.224342 -1.591498 0.3088782 -0.6361948 1.303938 -0.07523344
-0.8530812 -0.5218771 2.257517 -0.4247366 -1.587795 0.5727189 0.01598472 0.07986726 0.8489417 -0.3905431
0.2220939 -0.1237862 1.744949 0.7126451 0.05852249 -0.2768869 0.8665592 2.073604 -2.678686 2.799653
-1.069022 -1.751027 -0.4351121 -0.6349723 -1.378916 -0.3661324 -0.1996259 0.5727591 1.271363 0.2061786
0.06520129 0.098966 -1.533682 -0.9315909 -0.7883505 3.137852 1.089396 -0.8936418 -0.716628 -0.3611111
-0.1145535 -0.9136128 -0.2071535 1.383951 0.9034359 0.6577756 1.620784 1.380942 -0.1645174 -1.591228
-0.8797185 0.5174294 1.868755 1.467507 0.584825 -0.5076694 -0.01174632 -0.1587505 0.9264733 -1.092926
-1.117405 -0.8793297 -0.8906659 0.350748 0.01776977 -0.2707683 -0.9361326 0.07628034 -0.3657428 -0.671371
1.045042 0.1829641 0.3749981 0.2533515 0.3324894 -0.6258504 -0.1148897 1.041481 -0.2816344 -1.632296
0.1250867 -0.8786282 0.2670005 0.1805506 0.1706441 0.1735841 -1.424315 1.572035 -0.9578752 1.057686
-0.1783196 0.08112777 0.8998488 1.254943 0.5121069 -0.6222851 0.1244218 -0.9845616 -0.4801548 0.2229852
-0.09673184 -0.4443175 0.9100019 -0.5749839 0.4020878 -1.077424 -0.9292251 -0.5745852 1.951845 1.011799
0.5320113 1.360488 0.6975992 -0.686537 0.6879764 0.2664631 -0.9785697 -0.6763161 0.05178976 -1.646987
0.2192593 -0.8424352 0.6230342 -1.216046 -0.71165 -0.7107143 0.1524959 -0.09143457 -0.1798235 0.7985312
1.325135 -0.2905784 1.203613 -0.7547151 -0.7975029 -1.306793 -0.2587302 -1.567188 -1.399008 1.023235
-0.2168075 -0.3774018 -0.4315252 -0.4458617 2.31734 0.05059351 1.302124 0.6493985 0.6746433 0.482397
-0.7907017 -0.3662356 1.341345 -0.0960068 0.2644979 -0.8002622 1.299594 0.6554791 -2.777083 -0.3192445
0.1828121 1.287486 -0.4172262 1.088772 1.125813 -0.9691804 0.1845511 -0.6230599 -0.1672319 -1.922616
-1.195421 -0.2601635 -0.903543 0.556931 0.6797721 -0.8904558 1.021174 -1.667637 1.77215 0.09343192
1.70903 -0.9881319 -0.4539545 -1.15891 -0.2189068 1.209394 1.433259 -1.740327 -1.012603 0.7494091
1.422247 -0.9646219 -0.6964517 0.961431 -1.970981 -0.3722265 -0.5382787 -0.439164 0.6017609 -2.8556
0.1328372 0.008040876 0.437036 -0.0115465 0.0332456 -0.5260607 0.02640004 -0.4910754 -1.831208 0.8600174
1.145648 1.13926 0.0220105 0.1943382 0.006134818 -1.878869 -1.378488 -1.475338 0.5847746 -0.4494443 ]
THIS FUNCTION
tensor([[-1.3104, -0.2685, 0.0622, -1.0584, 0.4633, 1.3154, -0.7950, 0.4528,
-1.6697, -0.5797],
[ 1.2747, 2.2482, 1.7132, 0.0951, 0.5223, -0.1290, 0.1943, 0.3991,
0.0904, 0.8074],
[ 0.2218, 0.4296, -1.8135, -0.4696, -0.5289, 1.2216, -0.3379, 0.4501,
1.0632, -0.8069],
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1.6745, -0.3377],
[ 0.6437, 0.8992, 0.2514, 0.3071, -0.7162, -0.2585, -0.3461, -0.2648,
-0.5884, 2.0204],
[ 0.2023, 1.2553, 0.0424, -0.9376, 0.2203, -0.7304, 1.5873, 0.3039,
0.0705, 0.7305],
[-0.8652, -1.3972, 2.1732, 0.9529, -0.7412, -0.6548, 0.2917, 1.2784,
0.8598, 1.3383],
[ 0.2969, -1.0224, -0.7741, 0.4074, 0.5100, 0.8319, 0.0739, 1.0517,
-1.5363, 0.4151],
[ 0.2193, -0.8688, -0.4630, -0.0633, -0.5115, 1.2904, 0.5996, 0.5403,
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-0.0769, 0.0554],
[ 0.5235, 0.3758, -0.5498, 0.0040, 0.1881, 1.6943, 1.3012, -0.2354,
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[ 0.6909, 0.5551, -1.0232, -0.4066, -0.8763, 0.0751, -1.0632, -0.6215,
1.8331, 1.8889],
[-0.2793, -0.4710, -0.9730, 0.2008, -1.9314, 0.2342, -2.9149, -1.1142,
0.8259, -1.3554],
[-0.0226, -1.4020, 0.7085, 0.0735, 0.4065, 1.3024, -1.3105, -0.9012,
1.9512, 0.0584],
[ 0.2449, 1.4477, -0.0337, 0.0890, 1.4046, -0.3870, 0.9894, 0.0821,
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[-0.7744, 0.5940, 0.0213, -0.2563, 0.3275, -1.6246, -0.6665, -0.6365,
0.7799, 0.0280],
[-0.7408, 0.2285, -1.2224, -0.0447, 0.4227, -0.1408, -1.5827, 1.0434,
0.0684, 0.6726],
[-0.5920, 1.6308, -0.3350, -0.5080, 1.2243, -1.5915, 0.3089, -0.6362,
1.3039, -0.0752],
[-0.8531, -0.5219, 2.2575, -0.4247, -1.5878, 0.5727, 0.0160, 0.0799,
0.8489, -0.3905],
[ 0.2221, -0.1238, 1.7449, 0.7126, 0.0585, -0.2769, 0.8666, 2.0736,
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[-1.0690, -1.7510, -0.4351, -0.6350, -1.3789, -0.3661, -0.1996, 0.5728,
1.2714, 0.2062],
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0.9265, -1.0929],
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-0.4802, 0.2230],
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1.9518, 1.0118],
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0.0518, -1.6470],
[ 0.2193, -0.8424, 0.6230, -1.2160, -0.7116, -0.7107, 0.1525, -0.0914,
-0.1798, 0.7985],
[ 1.3251, -0.2906, 1.2036, -0.7547, -0.7975, -1.3068, -0.2587, -1.5672,
-1.3990, 1.0232],
[-0.2168, -0.3774, -0.4315, -0.4459, 2.3173, 0.0506, 1.3021, 0.6494,
0.6746, 0.4824],
[-0.7907, -0.3662, 1.3413, -0.0960, 0.2645, -0.8003, 1.2996, 0.6555,
-2.7771, -0.3192],
[ 0.1828, 1.2875, -0.4172, 1.0888, 1.1258, -0.9692, 0.1846, -0.6231,
-0.1672, -1.9226],
[-1.1954, -0.2602, -0.9035, 0.5569, 0.6798, -0.8905, 1.0212, -1.6676,
1.7722, 0.0934],
[ 1.7090, -0.9881, -0.4540, -1.1589, -0.2189, 1.2094, 1.4333, -1.7403,
-1.0126, 0.7494],
[ 1.4222, -0.9646, -0.6965, 0.9614, -1.9710, -0.3722, -0.5383, -0.4392,
0.6018, -2.8556],
[ 0.1328, 0.0080, 0.4370, -0.0115, 0.0332, -0.5261, 0.0264, -0.4911,
-1.8312, 0.8600],
[ 1.1456, 1.1393, 0.0220, 0.1943, 0.0061, -1.8789, -1.3785, -1.4753,
0.5848, -0.4494]])
THS !!!
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Thanks I will work on testing.
Let's keep transforms and functionals in those files, and let's not add functionality to If we are to keep |
@wanglong001 It seems to me that you use I do not know much about the definitions but, unless you have a strong opinion, |
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Please see my comments.
@mthrok Hi, v is optionally variance, It would be better to use |
Thanks! If you are interested in, we can also add batch consistency test for FYI: The test you added passed on GPU too.
|
@mthrok Hi, I do not have time recently, Thanks |
@wanglong001 Thanks for letting us know. @vincentqb This PR is ready to merge. I can follow up on other type of test (and batching) in another PR. |
Rebased, and merging. Thanks! |
HI ,issues , add feature of kaldi cmvn
ths
Closes #535.