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- Math-CAD.
1
: f =22050 Q = 16:
Ctotal:= READWAV( " C.wav " ) := Ctotal<1>; rows(C) = 20191.
: = "" NM:= strlen(M), NM= 9 LM:=8NM,
LM = 72.
2
- := 20 ( = 0.907 ), :=30 ( = 1.361 ).
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3
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, LM ( floor()):
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N:=floor(rows(C)/LM), N=280
4
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: U: = 1;
: := 20 ;
U: := N - , = 260 ;
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5
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s' S, -, . , S , rows(S) = 20191.
, :
WRITEWAV ("S_echo.wav", f, Q):= augment(S, Ctotal<1>)
6
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( ) | - | ||||
, MD | |||||
, AD | 3.24410-3 | 15.298 | 14.321 | 572.093 | |
, NAD | 2.62510-6 | 0.012 | 0.012 | 0.5 | |
, MSE | 0.003 | 2.657 103 | 956.742 | 7.640 105 | |
, NMSE | 9.402 10-10 | 7.70210-4 | 2.77310-4 | 0.250 | |
Lp- , = 2 | 0.057 | 51.551 | 30.931 | 874.01 | |
"/", SNR | ∞ | 1.064109 | 1.298103 | 3.606103 | 4.006 |
"/", PSNR | ∞ | 1.1771010 | 1.437104 | 3.992104 | 45.968 |
, AF | ≈1 | 0.999230 | 0.999723 | 0.750371 | |
, NC | ≈1 | 0.999615 | 0.999806 | 1.255078 | |
, CQ | 2.792103 | 2.792103 | 2.790103 | 2.791103 | 3.355103 |
, SC | ≈1 | ≈1 | 1.000110 | 0.568251 | |
- "/", GSSNR | ∞ | 1.1521014 | 1.511020 | 3.279108 | 9.377 |
- "/", SSNR | ∞ | 140.6 | 201.8 | 85.2 | 9.721 |
"/", SER | ∞ | 1.064-109 | 1.298-103 | 3.606- 103 | 4.006 |
. HS |
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