diff --git a/include/FIFOSampleBuffer.h b/include/FIFOSampleBuffer.h
index d792e6a..6c5785a 100644
--- a/include/FIFOSampleBuffer.h
+++ b/include/FIFOSampleBuffer.h
@@ -91,7 +91,7 @@ public:
                      );
 
     /// destructor
-    ~FIFOSampleBuffer();
+    ~FIFOSampleBuffer() override;
 
     /// Returns a pointer to the beginning of the output samples. 
     /// This function is provided for accessing the output samples directly. 
@@ -100,7 +100,7 @@ public:
     /// When using this function to output samples, also remember to 'remove' the
     /// output samples from the buffer by calling the 
     /// 'receiveSamples(numSamples)' function
-    virtual SAMPLETYPE *ptrBegin();
+    virtual SAMPLETYPE *ptrBegin() override;
 
     /// Returns a pointer to the end of the used part of the sample buffer (i.e. 
     /// where the new samples are to be inserted). This function may be used for 
@@ -121,7 +121,7 @@ public:
     /// the sample buffer.
     virtual void putSamples(const SAMPLETYPE *samples,  ///< Pointer to samples.
                             uint numSamples                         ///< Number of samples to insert.
-                            );
+                            ) override;
 
     /// Adjusts the book-keeping to increase number of samples in the buffer without 
     /// copying any actual samples.
@@ -139,7 +139,7 @@ public:
     /// \return Number of samples returned.
     virtual uint receiveSamples(SAMPLETYPE *output, ///< Buffer where to copy output samples.
                                 uint maxSamples                 ///< How many samples to receive at max.
-                                );
+                                ) override;
 
     /// Adjusts book-keeping so that given number of samples are removed from beginning of the 
     /// sample buffer without copying them anywhere. 
@@ -147,10 +147,10 @@ public:
     /// Used to reduce the number of samples in the buffer when accessing the sample buffer directly
     /// with 'ptrBegin' function.
     virtual uint receiveSamples(uint maxSamples   ///< Remove this many samples from the beginning of pipe.
-                                );
+                                ) override;
 
     /// Returns number of samples currently available.
-    virtual uint numSamples() const;
+    virtual uint numSamples() const override;
 
     /// Sets number of channels, 1 = mono, 2 = stereo.
     void setChannels(int numChannels);
@@ -162,14 +162,14 @@ public:
     }
 
     /// Returns nonzero if there aren't any samples available for outputting.
-    virtual int isEmpty() const;
+    virtual int isEmpty() const override;
 
     /// Clears all the samples.
-    virtual void clear();
+    virtual void clear() override;
 
     /// allow trimming (downwards) amount of samples in pipeline.
     /// Returns adjusted amount of samples
-    uint adjustAmountOfSamples(uint numSamples);
+    uint adjustAmountOfSamples(uint numSamples) override;
 
     /// Add silence to end of buffer
     void addSilent(uint nSamples);
diff --git a/include/FIFOSamplePipe.h b/include/FIFOSamplePipe.h
index 38ef31a..663c5c6 100644
--- a/include/FIFOSamplePipe.h
+++ b/include/FIFOSamplePipe.h
@@ -164,7 +164,7 @@ protected:
     }
 
     /// Destructor.
-    virtual ~FIFOProcessor()
+    virtual ~FIFOProcessor() override
     {
     }
 
@@ -175,7 +175,7 @@ protected:
     /// When using this function to output samples, also remember to 'remove' the
     /// output samples from the buffer by calling the 
     /// 'receiveSamples(numSamples)' function
-    virtual SAMPLETYPE *ptrBegin()
+    virtual SAMPLETYPE *ptrBegin() override
     {
         return output->ptrBegin();
     }
@@ -189,7 +189,7 @@ public:
     /// \return Number of samples returned.
     virtual uint receiveSamples(SAMPLETYPE *outBuffer, ///< Buffer where to copy output samples.
                                 uint maxSamples                    ///< How many samples to receive at max.
-                                )
+                                ) override
     {
         return output->receiveSamples(outBuffer, maxSamples);
     }
@@ -200,26 +200,26 @@ public:
     /// Used to reduce the number of samples in the buffer when accessing the sample buffer directly
     /// with 'ptrBegin' function.
     virtual uint receiveSamples(uint maxSamples   ///< Remove this many samples from the beginning of pipe.
-                                )
+                                ) override
     {
         return output->receiveSamples(maxSamples);
     }
 
     /// Returns number of samples currently available.
-    virtual uint numSamples() const
+    virtual uint numSamples() const override
     {
         return output->numSamples();
     }
 
     /// Returns nonzero if there aren't any samples available for outputting.
-    virtual int isEmpty() const
+    virtual int isEmpty() const override
     {
         return output->isEmpty();
     }
 
     /// allow trimming (downwards) amount of samples in pipeline.
     /// Returns adjusted amount of samples
-    virtual uint adjustAmountOfSamples(uint numSamples)
+    virtual uint adjustAmountOfSamples(uint numSamples) override
     {
         return output->adjustAmountOfSamples(numSamples);
     }
diff --git a/include/SoundTouch.h b/include/SoundTouch.h
index 778fc03..49b0306 100644
--- a/include/SoundTouch.h
+++ b/include/SoundTouch.h
@@ -209,7 +209,7 @@ protected :
 
 public:
     SoundTouch();
-    virtual ~SoundTouch();
+    virtual ~SoundTouch() override;
 
     /// Get SoundTouch library version string
     static const char *getVersionString();
@@ -287,7 +287,7 @@ public:
             uint numSamples                         ///< Number of samples in buffer. Notice
                                                     ///< that in case of stereo-sound a single sample
                                                     ///< contains data for both channels.
-            );
+            ) override;
 
     /// Output samples from beginning of the sample buffer. Copies requested samples to 
     /// output buffer and removes them from the sample buffer. If there are less than 
@@ -296,7 +296,7 @@ public:
     /// \return Number of samples returned.
     virtual uint receiveSamples(SAMPLETYPE *output, ///< Buffer where to copy output samples.
         uint maxSamples                 ///< How many samples to receive at max.
-        );
+        ) override;
 
     /// Adjusts book-keeping so that given number of samples are removed from beginning of the 
     /// sample buffer without copying them anywhere. 
@@ -304,11 +304,11 @@ public:
     /// Used to reduce the number of samples in the buffer when accessing the sample buffer directly
     /// with 'ptrBegin' function.
     virtual uint receiveSamples(uint maxSamples   ///< Remove this many samples from the beginning of pipe.
-        );
+        ) override;
 
     /// Clears all the samples in the object's output and internal processing
     /// buffers.
-    virtual void clear();
+    virtual void clear() override;
 
     /// Changes a setting controlling the processing system behaviour. See the
     /// 'SETTING_...' defines for available setting ID's.
diff --git a/source/SoundTouch/FIRFilter.h b/source/SoundTouch/FIRFilter.h
index d370e4b..90b730f 100644
--- a/source/SoundTouch/FIRFilter.h
+++ b/source/SoundTouch/FIRFilter.h
@@ -106,12 +106,12 @@ public:
         short *filterCoeffsUnalign;
         short *filterCoeffsAlign;
 
-        virtual uint evaluateFilterStereo(short *dest, const short *src, uint numSamples) const;
+        virtual uint evaluateFilterStereo(short *dest, const short *src, uint numSamples) const override;
     public:
         FIRFilterMMX();
         ~FIRFilterMMX();
 
-        virtual void setCoefficients(const short *coeffs, uint newLength, uint uResultDivFactor);
+        virtual void setCoefficients(const short *coeffs, uint newLength, uint uResultDivFactor) override;
     };
 
 #endif // SOUNDTOUCH_ALLOW_MMX
@@ -125,12 +125,12 @@ public:
         float *filterCoeffsUnalign;
         float *filterCoeffsAlign;
 
-        virtual uint evaluateFilterStereo(float *dest, const float *src, uint numSamples) const;
+        virtual uint evaluateFilterStereo(float *dest, const float *src, uint numSamples) const override;
     public:
         FIRFilterSSE();
         ~FIRFilterSSE();
 
-        virtual void setCoefficients(const float *coeffs, uint newLength, uint uResultDivFactor);
+        virtual void setCoefficients(const float *coeffs, uint newLength, uint uResultDivFactor) override;
     };
 
 #endif // SOUNDTOUCH_ALLOW_SSE
diff --git a/source/SoundTouch/InterpolateCubic.h b/source/SoundTouch/InterpolateCubic.h
index aede6aa..251c23f 100644
--- a/source/SoundTouch/InterpolateCubic.h
+++ b/source/SoundTouch/InterpolateCubic.h
@@ -43,20 +43,20 @@ class InterpolateCubic : public TransposerBase
 protected:
     virtual int transposeMono(SAMPLETYPE *dest, 
                         const SAMPLETYPE *src, 
-                        int &srcSamples);
+                        int &srcSamples) override;
     virtual int transposeStereo(SAMPLETYPE *dest, 
                         const SAMPLETYPE *src, 
-                        int &srcSamples);
+                        int &srcSamples) override;
     virtual int transposeMulti(SAMPLETYPE *dest, 
                         const SAMPLETYPE *src, 
-                        int &srcSamples);
+                        int &srcSamples) override;
 
     double fract;
 
 public:
     InterpolateCubic();
 
-    virtual void resetRegisters();
+    virtual void resetRegisters() override;
 
     int getLatency() const
     {
diff --git a/source/SoundTouch/InterpolateLinear.h b/source/SoundTouch/InterpolateLinear.h
index cc785c3..6104fae 100644
--- a/source/SoundTouch/InterpolateLinear.h
+++ b/source/SoundTouch/InterpolateLinear.h
@@ -47,19 +47,19 @@ protected:
 
     virtual int transposeMono(SAMPLETYPE *dest, 
                        const SAMPLETYPE *src, 
-                       int &srcSamples);
+                       int &srcSamples) override;
     virtual int transposeStereo(SAMPLETYPE *dest, 
                          const SAMPLETYPE *src, 
-                         int &srcSamples);
-    virtual int transposeMulti(SAMPLETYPE *dest, const SAMPLETYPE *src, int &srcSamples);
+                         int &srcSamples) override;
+    virtual int transposeMulti(SAMPLETYPE *dest, const SAMPLETYPE *src, int &srcSamples) override;
 public:
     InterpolateLinearInteger();
 
     /// Sets new target rate. Normal rate = 1.0, smaller values represent slower 
     /// rate, larger faster rates.
-    virtual void setRate(double newRate);
+    virtual void setRate(double newRate) override;
 
-    virtual void resetRegisters();
+    virtual void resetRegisters() override;
 
     int getLatency() const
     {
diff --git a/source/SoundTouch/InterpolateShannon.h b/source/SoundTouch/InterpolateShannon.h
index 60191d5..75876e1 100644
--- a/source/SoundTouch/InterpolateShannon.h
+++ b/source/SoundTouch/InterpolateShannon.h
@@ -48,20 +48,20 @@ class InterpolateShannon : public TransposerBase
 protected:
     int transposeMono(SAMPLETYPE *dest, 
                         const SAMPLETYPE *src, 
-                        int &srcSamples);
+                        int &srcSamples) override;
     int transposeStereo(SAMPLETYPE *dest, 
                         const SAMPLETYPE *src, 
-                        int &srcSamples);
+                        int &srcSamples) override;
     int transposeMulti(SAMPLETYPE *dest, 
                         const SAMPLETYPE *src, 
-                        int &srcSamples);
+                        int &srcSamples) override;
 
     double fract;
 
 public:
     InterpolateShannon();
 
-    void resetRegisters();
+    void resetRegisters() override;
 
     int getLatency() const
     {
diff --git a/source/SoundTouch/RateTransposer.h b/source/SoundTouch/RateTransposer.h
index 9aa5fe7..411f4e8 100644
--- a/source/SoundTouch/RateTransposer.h
+++ b/source/SoundTouch/RateTransposer.h
@@ -124,7 +124,7 @@ protected:
 
 public:
     RateTransposer();
-    virtual ~RateTransposer();
+    virtual ~RateTransposer() override;
 
     /// Returns the output buffer object
     FIFOSamplePipe *getOutput() { return &outputBuffer; };
@@ -147,13 +147,13 @@ public:
 
     /// Adds 'numSamples' pcs of samples from the 'samples' memory position into
     /// the input of the object.
-    void putSamples(const SAMPLETYPE *samples, uint numSamples);
+    void putSamples(const SAMPLETYPE *samples, uint numSamples) override;
 
     /// Clears all the samples in the object
-    void clear();
+    void clear() override;
 
     /// Returns nonzero if there aren't any samples available for outputting.
-    int isEmpty() const;
+    int isEmpty() const override;
 
     /// Return approximate initial input-output latency
     int getLatency() const;
diff --git a/source/SoundTouch/TDStretch.h b/source/SoundTouch/TDStretch.h
index 4118f9f..71c0853 100644
--- a/source/SoundTouch/TDStretch.h
+++ b/source/SoundTouch/TDStretch.h
@@ -165,7 +165,7 @@ protected:
     
 public:
     TDStretch();
-    virtual ~TDStretch();
+    virtual ~TDStretch() override;
 
     /// Operator 'new' is overloaded so that it automatically creates a suitable instance 
     /// depending on if we've a MMX/SSE/etc-capable CPU available or not.
@@ -187,7 +187,7 @@ public:
     void setTempo(double newTempo);
 
     /// Returns nonzero if there aren't any samples available for outputting.
-    virtual void clear();
+    virtual void clear() override;
 
     /// Clears the input buffer
     void clearInput();
@@ -227,7 +227,7 @@ public:
             const SAMPLETYPE *samples,  ///< Input sample data
             uint numSamples                         ///< Number of samples in 'samples' so that one sample
                                                     ///< contains both channels if stereo
-            );
+            ) override;
 
     /// return nominal input sample requirement for triggering a processing batch
     int getInputSampleReq() const
@@ -256,10 +256,10 @@ public:
     class TDStretchMMX : public TDStretch
     {
     protected:
-        double calcCrossCorr(const short *mixingPos, const short *compare, double &norm);
-        double calcCrossCorrAccumulate(const short *mixingPos, const short *compare, double &norm);
-        virtual void overlapStereo(short *output, const short *input) const;
-        virtual void clearCrossCorrState();
+        double calcCrossCorr(const short *mixingPos, const short *compare, double &norm) override;
+        double calcCrossCorrAccumulate(const short *mixingPos, const short *compare, double &norm) override;
+        virtual void overlapStereo(short *output, const short *input) const override;
+        virtual void clearCrossCorrState() override;
     };
 #endif /// SOUNDTOUCH_ALLOW_MMX
 
@@ -269,8 +269,8 @@ public:
     class TDStretchSSE : public TDStretch
     {
     protected:
-        double calcCrossCorr(const float *mixingPos, const float *compare, double &norm);
-        double calcCrossCorrAccumulate(const float *mixingPos, const float *compare, double &norm);
+        double calcCrossCorr(const float *mixingPos, const float *compare, double &norm) override;
+        double calcCrossCorrAccumulate(const float *mixingPos, const float *compare, double &norm) override;
     };
 
 #endif /// SOUNDTOUCH_ALLOW_SSE