1 files changed, 0 insertions, 104 deletions
diff --git a/samples/SpeechRecognition/src/AudioCapture.cpp b/samples/SpeechRecognition/src/AudioCapture.cpp
deleted file mode 100644
index f3b9092218..0000000000
--- a/samples/SpeechRecognition/src/AudioCapture.cpp
+++ /dev/null
@@ -1,104 +0,0 @@
-//
-// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
-// SPDX-License-Identifier: MIT
-//
-
-#include "AudioCapture.hpp"
-#include <alsa/asoundlib.h>
-#include <sndfile.h>
-#include <samplerate.h>
-
-namespace asr
-{
-    std::vector<float> AudioCapture::LoadAudioFile(std::string filePath)
-    {
-        SF_INFO inputSoundFileInfo;
-        SNDFILE* infile = NULL;
-        infile = sf_open(filePath.c_str(), SFM_READ, &inputSoundFileInfo);
-
-        float audioIn[inputSoundFileInfo.channels * inputSoundFileInfo.frames];
-        sf_read_float(infile, audioIn, inputSoundFileInfo.channels * inputSoundFileInfo.frames);
-
-        float sampleRate = 16000.0f;
-        float srcRatio = sampleRate / (float)inputSoundFileInfo.samplerate;
-        int outputFrames = ceil(inputSoundFileInfo.frames * srcRatio);
-        float dataOut[outputFrames];
-
-        // Convert to mono
-        float monoData[inputSoundFileInfo.frames];
-        for(int i = 0; i < inputSoundFileInfo.frames; i++)
-        {
-            float val = 0.0f;
-            for(int j = 0; j < inputSoundFileInfo.channels; j++)
-                monoData[i] += audioIn[i * inputSoundFileInfo.channels + j];
-            monoData[i] /= inputSoundFileInfo.channels;
-        }
-
-        // Resample
-        SRC_DATA srcData;
-        srcData.data_in = monoData;
-        srcData.input_frames = inputSoundFileInfo.frames;
-        srcData.data_out = dataOut;
-        srcData.output_frames = outputFrames;
-        srcData.src_ratio = srcRatio;
-
-        src_simple(&srcData, SRC_SINC_BEST_QUALITY, 1);
-
-        // Convert to Vector
-        std::vector<float> processedInput;
-
-        for(int i = 0; i < srcData.output_frames_gen; ++i)
-        {
-            processedInput.push_back(srcData.data_out[i]);
-        }
-
-        sf_close(infile);
-
-        return processedInput;
-    }
-
-    void AudioCapture::InitSlidingWindow(float* data, size_t dataSize, int minSamples, size_t stride)
-    {
-        this->m_window = SlidingWindow<const float>(data, dataSize, minSamples, stride);
-    }
-
-    bool AudioCapture::HasNext()
-    {
-        return m_window.HasNext();
-    }
-
-    std::vector<float> AudioCapture::Next()
-    {
-        if (this->m_window.HasNext())
-        {
-            int remainingData = this->m_window.RemainingData();
-            const float* windowData = this->m_window.Next();
-
-            size_t windowSize = this->m_window.GetWindowSize();
-
-            if(remainingData < windowSize)
-            {
-                std::vector<float> mfccAudioData(windowSize, 0.0f);
-                for(int i = 0; i < remainingData; ++i)
-                {
-                    mfccAudioData[i] = *windowData;
-                    if(i < remainingData - 1)
-                    {
-                        ++windowData;
-                    }
-                }
-                return mfccAudioData;
-            }
-            else
-            {
-                std::vector<float> mfccAudioData(windowData,  windowData + windowSize);
-                return mfccAudioData;
-            }
-        }
-        else
-        {
-            throw std::out_of_range("Error, end of audio data reached.");
-        }
-    }
-} //namespace asr
-