From c76e8afc052296a08f57c2e74501b2a2088ac2aa Mon Sep 17 00:00:00 2001
From: TurtleEmperorx <anuragjadhavnis@gmail.com>
Date: Fri, 10 Dec 2021 15:29:04 -0800
Subject: [PATCH] fixed

---
 src/AnuragDampenTarget.m  | 36 ++++++++----------------------------
 src/AnuragEnhanceTarget.m | 35 +++++++----------------------------
 2 files changed, 15 insertions(+), 56 deletions(-)

diff --git a/src/AnuragDampenTarget.m b/src/AnuragDampenTarget.m
index 41b529b..e15f1f3 100644
--- a/src/AnuragDampenTarget.m
+++ b/src/AnuragDampenTarget.m
@@ -10,43 +10,23 @@ function output_x = AnuragDampenTarget(x, Fs,LOW, MID, HIGH)
 %   Detailed explanation goes here
     TARGET = MID;
     AreaPercentage = 0.15;
-    [dim,len] = size(x); %get length of the input
+    len = length(x); %get length of the input
     F = Fs * ((-len/2) : ((len/2) - 1)) / len;
     lenf = length(F);
-    Mod_Freq = ifft(fft(x)); %Fourier Transform of the input signal
+    Mod_Freq = fftshift(fft(x)); %Fourier Transform of the input signal
     output =  zeros([1,lenf]); % zero array of size Mod_freq
-    if(dim == 2) %check for dual channel audio
-       F = [F;F]; 
-       output = [output;output];
-    end
     %set the bounds
     lowerBound = (1-AreaPercentage) * TARGET;
     upperBound = (1+AreaPercentage) * TARGET;
 %% Dampen the target frequencies and maintain the others
-    if(dim == 2) %iterate through both channels if track is dual channel
-        for n = 1:lenf
-            if ((lowerBound < abs(F(1,n))) && abs(F(1,n)) < upperBound)
-              output(1,n) = 1;
-            else
-              output(1,n) = 0.5;
-            end
-        end
-        for n = 1:lenf
-            if ((lowerBound < abs(F(2,n))) && abs(F(2,n)) < upperBound)
-              output(2,n) = 1;
-            else
-              output(2,n) = .5;
-            end
-        end
-    else %iterate onnly once for monochannel
-        for n = 1:lenf
-            if ((lowerBound < abs(F(n))) && abs(F(n)) < upperBound)
-                output(n) = 1;
-            else
-                output(n) = .5;
-            end
+    for n = 1:lenf
+        if ((lowerBound < abs(F(n))) && abs(F(n)) < upperBound)
+            output(n) = 0.5;
+        else
+            output(n) = 1;
         end
     end
+
 %%Filter the original signal and transform 
     filtered_Mod_Freq = fftshift(Mod_Freq .* output);
     output_x = real(ifft(filtered_Mod_Freq));
diff --git a/src/AnuragEnhanceTarget.m b/src/AnuragEnhanceTarget.m
index 9a348b0..ad2b187 100644
--- a/src/AnuragEnhanceTarget.m
+++ b/src/AnuragEnhanceTarget.m
@@ -10,41 +10,20 @@ function output_x = AnuragEnchanceTarget(x, Fs,LOW, MID, HIGH)
 %   Detailed explanation goes here
     TARGET = MID;
     AreaPercentage = 0.15;
-    [dim,len] = size(x); %get length of the input
+    len = length(x); %get length of the input
     F = Fs * ((-len/2) : ((len/2) - 1)) / len;
     lenf = length(F);
-    Mod_Freq = ifft(fft(x)); %Fourier Transform of the input signal
+    Mod_Freq = fftshift(fft(x)); %Fourier Transform of the input signal
     output =  zeros([1,lenf]); % zero array of size Mod_freq
-    if(dim == 2) %check for dual channel audio
-       F = [F;F]; 
-       output = [output;output];
-    end
     %set the bounds
     lowerBound = (1-AreaPercentage) * TARGET;
     upperBound = (1+AreaPercentage) * TARGET;
 %% Amplify the target frequencies and dampen the others
-    if(dim == 2) %iterate through both channels if track is dual channel
-        for n = 1:lenf
-            if ((lowerBound < abs(F(1,n))) && abs(F(1,n)) < upperBound)
-              output(1,n) = 2;
-            else
-              output(1,n) = 0.75;
-            end
-        end
-        for n = 1:lenf
-            if ((lowerBound < abs(F(2,n))) && abs(F(2,n)) < upperBound)
-              output(2,n) = 2;
-            else
-              output(2,n) = 0.75;
-            end
-        end
-    else %iterate onnly once for monochannel
-        for n = 1:lenf
-            if ((lowerBound < abs(F(n))) && abs(F(n)) < upperBound)
-                output(n) = 2;
-            else
-                output(n) = 0.75;
-            end
+    for n = 1:lenf
+        if ((lowerBound < abs(F(n))) && abs(F(n)) < upperBound)
+            output(n) = 2;
+        else
+            output(n) = 0.75;
         end
     end
 %%Filter the original signal and transform