1 files changed, 0 insertions, 105 deletions
diff --git a/src/modules/audio_processing/aecm/main/matlab/matlab/calcStepSize.m b/src/modules/audio_processing/aecm/main/matlab/matlab/calcStepSize.m
deleted file mode 100644
index ae1365fa48..0000000000
--- a/src/modules/audio_processing/aecm/main/matlab/matlab/calcStepSize.m
+++ /dev/null
@@ -1,105 +0,0 @@
-function [mu, aecmStructNew] = calcStepSize(energy, dE, aecmStruct, t, logscale)
-
-if (nargin < 4)
-    t = 1;
-    logscale = 1;
-elseif (nargin == 4)
-    logscale = 1;
-end
-T = aecmStruct.convLength;
-
-if logscale
-    currentMuMax = aecmStruct.MU_MIN + (aecmStruct.MU_MAX-aecmStruct.MU_MIN)*min(t,T)/T;
-    if (aecmStruct.energyMin >= aecmStruct.energyMax)
-        mu = aecmStruct.MU_MIN;
-    else
-        mu = (energy - aecmStruct.energyMin)/(aecmStruct.energyMax - aecmStruct.energyMin)*(currentMuMax-aecmStruct.MU_MIN) + aecmStruct.MU_MIN;
-    end
-    mu = 2^mu;
-    if (energy < aecmStruct.energyLevel)
-        mu = 0;
-    end
-else
-    muMin = 0;
-    muMax = 0.5;
-    currentMuMax = muMin + (muMax-muMin)*min(t,T)/T;
-    if (aecmStruct.energyMin >= aecmStruct.energyMax)
-        mu = muMin;
-    else
-        mu = (energy - aecmStruct.energyMin)/(aecmStruct.energyMax - aecmStruct.energyMin)*(currentMuMax-muMin) + muMin;
-    end
-end
-dE2 = 1;
-dEOffset = -0.5;
-offBoost = 5;
-if (mu > 0)
-    if (abs(dE-aecmStruct.ENERGY_DEV_OFFSET) > aecmStruct.ENERGY_DEV_TOL)
-        aecmStruct.muStruct.countInInterval = 0;
-    else
-        aecmStruct.muStruct.countInInterval = aecmStruct.muStruct.countInInterval + 1;
-    end
-    if (dE < aecmStruct.ENERGY_DEV_OFFSET - aecmStruct.ENERGY_DEV_TOL)
-        aecmStruct.muStruct.countOutLowInterval = aecmStruct.muStruct.countOutLowInterval + 1;
-    else
-        aecmStruct.muStruct.countOutLowInterval = 0;
-    end
-    if (dE > aecmStruct.ENERGY_DEV_OFFSET + aecmStruct.ENERGY_DEV_TOL)
-        aecmStruct.muStruct.countOutHighInterval = aecmStruct.muStruct.countOutHighInterval + 1;
-    else
-        aecmStruct.muStruct.countOutHighInterval = 0;
-    end
-end
-muVar = 2^min(-3,5/50*aecmStruct.muStruct.countInInterval-3);
-muOff = 2^max(offBoost,min(0,offBoost*(aecmStruct.muStruct.countOutLowInterval-aecmStruct.muStruct.minOutLowInterval)/(aecmStruct.muStruct.maxOutLowInterval-aecmStruct.muStruct.minOutLowInterval)));
-
-muLow = 1/64;
-muVar = 1;
-if (t < 2*T)
-    muDT = 1;
-    muVar = 1;
-    mdEVec = 0;
-    numCross = 0;
-else
-    muDT = min(1,max(muLow,1-(1-muLow)*(dE-aecmStruct.ENERGY_DEV_OFFSET)/aecmStruct.ENERGY_DEV_TOL));
-    dEVec = aecmStruct.enerNear(t-63:t)-aecmStruct.enerEcho(t-63:t);
-    %dEVec = aecmStruct.enerNear(t-20:t)-aecmStruct.enerEcho(t-20:t);
-    numCross = 0;
-    currentState = 0;
-    for ii=1:64
-        if (currentState == 0)
-            currentState = (dEVec(ii) > dE2) - (dEVec(ii) < -2);
-        elseif ((currentState == 1) & (dEVec(ii) < -2))
-            numCross = numCross + 1;
-            currentState = -1;
-        elseif ((currentState == -1) & (dEVec(ii) > dE2))
-            numCross = numCross + 1;
-            currentState = 1;
-        end
-    end
-            
-    %logicDEVec = (dEVec > dE2) - (dEVec < -2);
-    %numCross = sum(abs(diff(logicDEVec)));
-    %mdEVec = mean(abs(dEVec-dEOffset));
-    %mdEVec = mean(abs(dEVec-mean(dEVec)));
-    %mdEVec = max(dEVec)-min(dEVec);
-    %if (mdEVec > 4)%1.5)
-    %    muVar = 0;
-    %end
-    muVar = 2^(-floor(numCross/2));
-    muVar = 2^(-numCross);
-end
-%muVar = 1;
-
-
-% if (eStd > (dE2-dEOffset))
-%     muVar = 1/8;
-% else
-%     muVar = 1;
-% end
-
-%mu = mu*muDT*muVar*muOff;
-mu = mu*muDT*muVar;
-mu = min(mu,0.25);
-aecmStructNew = aecmStruct;
-%aecmStructNew.varMean = mdEVec;
-aecmStructNew.varMean = numCross;