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Merge pull request #54 from mimium-org/release/0.3.1
release/0.3.1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| { | ||
| "files": [ | ||
| "README.md" | ||
| ], | ||
| "imageSize": 100, | ||
| "contributorsPerLine": 7, | ||
| "skipCi": true, | ||
| "contributors": [ | ||
| { | ||
| "login": "t-sin", | ||
| "name": "Shinichi Tanaka", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/4403863?v=4", | ||
| "profile": "https://t-sin.github.io", | ||
| "contributions": [ | ||
| "doc" | ||
| ] | ||
| }, | ||
| { | ||
| "login": "syougikakugenn", | ||
| "name": "kyo", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/74606612?v=4", | ||
| "profile": "http://deepdrilledwell.secret.jp/ddw/", | ||
| "contributions": [ | ||
| "doc" | ||
| ] | ||
| }, | ||
| { | ||
| "login": "baku89", | ||
| "name": "Baku 麦", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/2124392?v=4", | ||
| "profile": "http://baku89.com", | ||
| "contributions": [ | ||
| "financial" | ||
| ] | ||
| }, | ||
| { | ||
| "login": "yuichkun", | ||
| "name": "Yuichi Yogo", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/14039540?v=4", | ||
| "profile": "https://github.com/yuichkun", | ||
| "contributions": [ | ||
| "financial" | ||
| ] | ||
| }, | ||
| { | ||
| "login": "nama-gatsuo", | ||
| "name": "Ayumu Nagamatsu", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/7838131?v=4", | ||
| "profile": "http://ayumu-nagamatsu.com", | ||
| "contributions": [ | ||
| "financial" | ||
| ] | ||
| }, | ||
| { | ||
| "login": "zigen", | ||
| "name": "zigen", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/3610296?v=4", | ||
| "profile": "https://horol.org", | ||
| "contributions": [ | ||
| "financial" | ||
| ] | ||
| }, | ||
| { | ||
| "login": "hitoshitakeuchi", | ||
| "name": "Hitoshi Takeuchi", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/6305267?v=4", | ||
| "profile": "http://hitoshitakeuchi.com", | ||
| "contributions": [ | ||
| "financial" | ||
| ] | ||
| }, | ||
| { | ||
| "login": "Inqb8tr-jp", | ||
| "name": "Inqb8tr-jp", | ||
| "avatar_url": "https://avatars.githubusercontent.com/u/79005925?v=4", | ||
| "profile": "https://github.com/Inqb8tr-jp", | ||
| "contributions": [ | ||
| "financial", | ||
| "infra" | ||
| ] | ||
| } | ||
| ], | ||
| "projectName": "mimium", | ||
| "projectOwner": "mimium-org", | ||
| "repoType": "github", | ||
| "repoHost": "https://github.com" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| fn biquad(x,a1,a2,b0,b1,b2){ | ||
| fn Wbiquad(x,a1,a2){ | ||
| return x - a1*self -a2*mem(self) | ||
| } | ||
| W = Wbiquad(x,a1,a2) | ||
| W1 = mem(W) | ||
| W2 = mem(W1) | ||
| return b0*W + b1*W1 + b2*W2 | ||
| } | ||
| fn getGain(gain){ | ||
| return 10 ^(gain/40.0) | ||
| } | ||
| fn getOmega(fc,fs){ | ||
| PI = 3.14159565 | ||
| return 2*PI*fc/fs | ||
| } | ||
| fn getAlpha(omega,q){ | ||
| return sin(omega)/(2*q) | ||
| } | ||
|
|
||
| fn calcCoeffs(fc,gain,q,fs,paramfn:(float,float,float)->(float,float,float,float,float)){ | ||
| A = getGain(gain) | ||
| omega = getOmega(fc,fs) | ||
| alpha =getAlpha(omega,q) | ||
| return paramfn(A,omega,alpha) | ||
| } | ||
|
|
||
| fn peakfilter(x,fc,gain,q,fs){ | ||
| coeffs = calcCoeffs(fc,gain,q,fs, |A,omega,alpha|{ | ||
| a0 = 1.0 + alpha / A | ||
| a1 = (-2.0 * cos(omega) )/a0 | ||
| a2 = ( 1.0 - alpha / A )/a0 | ||
| b0 = ( 1.0 + alpha * A )/a0 | ||
| b1 = (-2.0 * cos(omega) )/a0 | ||
| b2 = ( 1.0 - alpha * A )/a0 | ||
| return (a1,a2,b0,b1,b2) | ||
| } ) | ||
| a1,a2,b0,b1,b2 = coeffs | ||
| return biquad(x,a1,a2,b0,b1,b2) | ||
| } | ||
|
|
||
| // fn lowpass(x,fc,gain,q,fs){ | ||
| // A = getGain(gain) | ||
| // omega = getOmega(fc,fs) | ||
| // alpha =getAlpha(omega,q) | ||
|
|
||
| // a0 = 1+alpha | ||
| // a1 = -2*cos(omega) /a0 | ||
| // a2 = (1-alpha)/a0 | ||
| // cosomegatmp = 1-cos(omega) | ||
| // b0 = cosomegatmp/(2*a0) | ||
| // b1 = b0/2 | ||
| // b2 = b1 | ||
| // return biquad(x,a1,a2,b0,b1,b2) | ||
| // } | ||
|
|
||
| // fn peakfilter(x,fc,gain,q,fs){ | ||
| // A = getGain(gain) | ||
| // omega = getOmega(fc,fs) | ||
| // alpha = getAlpha(omega,q) | ||
| // a0 = 1.0 + alpha / A | ||
| // a1 = (-2.0 * cos(omega) )/a0 | ||
| // a2 = ( 1.0 - alpha / A )/a0 | ||
| // b0 = ( 1.0 + alpha * A )/a0 | ||
| // b1 = (-2.0 * cos(omega) )/a0 | ||
| // b2 = ( 1.0 - alpha * A )/a0 | ||
| // return biquad(x,a1,a2,b0,b1,b2) | ||
| // } |
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