private void SetWaveFile(string fileName)
{
WaveReader waveReader = new WaveReader(fileName);
samples = (from samp in waveReader select samp[0]).ToArray();
sampleRate = (int)waveReader.SampleRate;
waveReader.Close();
}
private static void Wav2Vox(string inFile, string outFile, int samplesPerSec, bool isResample)
{
WaveReader wr = new WaveReader(File.OpenRead(inFile));
IntPtr format = wr.ReadFormat();
byte[] data = wr.ReadData();
wr.Close();
WaveFormat wf = AudioCompressionManager.GetWaveFormat(format);
if (wf.wFormatTag != AudioCompressionManager.PcmFormatTag)//Decode if not PCM data
{
Decode2Pcm(ref format, ref data, ref wf);
}
if (isResample && wf.nSamplesPerSec != samplesPerSec)
{
Resample(ref format, ref data, ref wf, samplesPerSec);
}
BinaryWriter bw = new BinaryWriter(File.OpenWrite(outFile));
BinaryReader br = new BinaryReader(new MemoryStream(data));
Vox.Raw2Vox(br, bw, wf.wBitsPerSample);
br.Close();
bw.Close();
}
private void ConvertToMp3(string AudioFileName, string Mp3FileName)
{
string wavFile = AudioFileName;
string mp3File = Mp3FileName;
using (WaveReader wr = new WaveReader(File.OpenRead(wavFile)))
{
IntPtr pcmFormat = wr.ReadFormat();
byte[] pcmData = wr.ReadData();
wr.Close();
WaveFormat wf = AudioCompressionManager.GetWaveFormat(pcmFormat);
if (wf.wFormatTag != AudioCompressionManager.PcmFormatTag)//Decode if not PCM data
{
Decode2Pcm(ref pcmFormat, ref pcmData, ref wf);
}
IntPtr webFormat = AudioCompressionManager.GetCompatibleFormat(pcmFormat,
AudioCompressionManager.MpegLayer3FormatTag);
byte[] webData = AudioCompressionManager.Convert(pcmFormat, webFormat,
pcmData, false);
MemoryStream ms = new MemoryStream();
using (WaveWriter ww = new WaveWriter(ms,
AudioCompressionManager.FormatBytes(webFormat)))
{
ww.WriteData(webData);
using (WaveReader wr2 = new WaveReader(ms))
{
using (FileStream fs = File.OpenWrite(mp3File))
{
wr2.MakeMP3(fs);
}
}
}
File.Delete(AudioFileName);
}
}
private static void Wav2Vox(string inFile, string outFile, int samplesPerSec, bool isResample)
{
WaveReader wr = new WaveReader(File.OpenRead(inFile));
IntPtr format = wr.ReadFormat();
byte[] data = wr.ReadData();
wr.Close();
WaveFormat wf = AudioCompressionManager.GetWaveFormat(format);
if (wf.wFormatTag != AudioCompressionManager.PcmFormatTag)//Decode if not PCM data
{
Decode2Pcm(ref format, ref data, ref wf);
}
if (isResample && wf.nSamplesPerSec != samplesPerSec)
{
Resample(ref format, ref data, ref wf, samplesPerSec);
}
BinaryWriter bw = new BinaryWriter(File.OpenWrite(outFile));
BinaryReader br = new BinaryReader(new MemoryStream(data));
Vox.Raw2Vox(br, bw, wf.wBitsPerSample);
br.Close();
bw.Close();
}
/// <summary>
/// 音声ファイルを開き、生成された特徴ベクトルのリストを返す
/// </summary>
/// <param name="waveFilePath">WAVEファイルのフルパス</param>
/// <param name="discriminator">識別器<para>識別させない場合は省略して下さい。</para></param>
/// <param name="threshold">棄却レベル<para>識別のさせる場合、この値を下回ると識別結果をUnknownと判定します。</para></param>
/// <returns>
/// 生成された特徴ベクトルのリスト
/// <para>識別器を指定している場合は、識別結果を添付します。</para>
/// </returns>
public List <Result> GenerateFeatureList(string waveFilePath, Discriminator discriminator = null, double threshold = 0.0)
{
var ans = new List <Result>(0); // 結果を格納する
if (System.IO.File.Exists(waveFilePath))
{
WaveReader wave_file = new WaveReader();
wave_file.Open(waveFilePath); // waveファイルを開く
if (wave_file.IsOpen)
{
try
{
this.Lock = true;
this.SetGenerator(wave_file);
this._generator.Log = this.Log;
DFT fft = new DFT(this.ReadAmount, Window.WindowKind.Hanning); // FFTを実施する準備
while (wave_file.IsOpen && wave_file.ReadLimit == false) // 読めるなら、全て読むまでループ
{
MusicData data = wave_file.Read(this.ReadAmount); // ファイルからread_size_sec秒間読み込み。
double[] sound;
if (data.UsableCH == MusicData.UsableChannel.Left) // データの入っている方を格納する
{
sound = data.GetData(MusicData.Channel.Left); //
}
else
{
sound = data.GetData(MusicData.Channel.Right);
}
FFTresult result = fft.FFT(sound, (double)wave_file.SamplingRate); // FFTを実行. FFTサイズが音声データよりも小さい場合、始めの方しか処理されないので注意.
this._generator.Add(result);
if (this._generator.Ready)
{
//Console.WriteLine("検出したようです。"); // デバッグモードで動かしながら確認するためのコンソール出力
Result feature = this._generator.GetFeature(); // 特徴ベクトル生成
if (discriminator == null)
{
ans.Add(feature); // 答えを格納
}
else
{
Discriminator.IDandLikelihood id = discriminator.Discriminate(feature.FeatureVector);
string name = id.ID;
if (id.Likelihood < threshold)
{
name = "Unknown";
}
feature.DiscriminationResult = name;
if (!(this.MatchOnlyAtDiscrimination == true && name != feature.FilterName))
{
ans.Add(feature);
}
}
}
}
}
catch (SystemException e)
{
throw new Exception(e.Message);
}
}
else
{
throw new Exception("Waveファイルを開くことができませんでした。\nWaveReaderクラスエラーメッセージ：" + wave_file.ErrorMessage);
}
wave_file.Close(); // waveファイルを閉じる
}
this.Lock = false;
return(ans);
}
private void ConvertToCCITT(String f, String FileName)
{
try
{
WaveReader newWr = new WaveReader(File.OpenRead(f));
IntPtr oldPcm = newWr.ReadFormat();
byte[] oldPcmData = newWr.ReadData();
IntPtr newFormat = AudioCompressionManager.GetPcmFormat(1, 16, 8000);
byte[] newData = { };
WaveFormat wf = AudioCompressionManager.GetWaveFormat(oldPcm);
newWr.Close();
if (FileName != "0")
{
f = FileName;
}
if (File.Exists(textBox1.Text + Path.GetFileName(f)))
{
File.Delete(textBox1.Text + Path.GetFileName(f));
}
// **** debug ****
//txtStatus.Text += f + eol;
int samp = wf.nSamplesPerSec;
int bps = wf.wBitsPerSample;
// sample rate is > 8000
if (samp > 8000)
{
newData = AudioCompressionManager.Resample(oldPcm, oldPcmData, newFormat);
}
IntPtr ccittOut = AudioCompressionManager.GetCompatibleFormat(newFormat, AudioCompressionManager.MuLawFormatTag);
byte[] finalData = AudioCompressionManager.Convert(newFormat, ccittOut, newData, false);
WaveWriter finalWr = new WaveWriter(File.Create(textBox1.Text + Path.GetFileName(f)),
AudioCompressionManager.FormatBytes(ccittOut));
finalWr.WriteData(finalData);
finalWr.Close();
// **** debug *****
//TextOps(dirUlaw + Path.GetFileName(f) + eol2);
//DeleteFile(f);
}
catch (NullReferenceException nex)
{
//TextOps("NullReferenceException: " + nex.Message.ToString() + cr);
}
catch (IOException iex)
{
//TextOps("IOException: " + iex.Message.ToString() + cr);
}
catch (AudioException ex)
{
//TextOps("AudioException: " + ex.Message.ToString() + cr);
}
}
// CONVERT TO PCM 8KHz 16-bit mono
private void ConvertToPcm(String f, String FileName)
{
try
{
WaveReader wr = new WaveReader(File.OpenRead(f));
IntPtr oldFormat = wr.ReadFormat();
byte[] oldData = wr.ReadData();
IntPtr newFormat = AudioCompressionManager.GetPcmFormat(1, 16, 8000);
byte[] newData = { };
WaveFormat wf = AudioCompressionManager.GetWaveFormat(oldFormat);
wr.Close();
if (FileName != "0")
{
f = FileName;
}
if (File.Exists(textBox1.Text + Path.GetFileName(f)))
{
File.Delete(textBox1.Text + Path.GetFileName(f));
}
// **** debug ****
//txtStatus.Text += f + eol;
int samp = wf.nSamplesPerSec;
int bps = wf.wBitsPerSample;
// sample rate is > 8000
if (samp > 8000)
{
newData = AudioCompressionManager.Resample(oldFormat, oldData, newFormat);
WaveWriter ww = new WaveWriter(File.Create(textBox1.Text + Path.GetFileName(f)),
AudioCompressionManager.FormatBytes(newFormat));
ww.WriteData(newData);
ww.Close();
// **** debug *****
//TextOps(dirPcm + Path.GetFileName(f) + eol2);
}
else
{
//TextOps(Path.GetFileName(f) + " already exists at 8KHz" + cr);
}
//DeleteFile(f);
}
catch (NullReferenceException nex)
{
//TextOps("NullReferenceException: " + nex.Message.ToString() + cr);
}
catch (IOException iex)
{
//TextOps("IOException: " + iex.Message.ToString() + cr);
}
catch (AudioException ex)
{
//TextOps("AudioException: " + ex.Message.ToString() + cr);
}
}
// convert to MP3
private void ConvertToMP3(String f, String FileName, int LocType)
{
try
{
WaveReader wr = new WaveReader(File.OpenRead(f));
IntPtr oldFormat = wr.ReadFormat();
byte[] oldData = wr.ReadData();
wr.Close();
if (FileName != "0")
{
f = FileName;
}
// if voip, write to voip dir otherwise write to MP3 (N7 & iLink) dir
if (LocType == 2)
{
textBox1.Text = textBox2.Text;
}
else
{
textBox1.Text = textBox1.Text;
}
if (File.Exists(textBox1.Text + Path.GetFileName(f)))
{
File.Delete(textBox1.Text + Path.GetFileName(f));
}
//txtStatus.Text += f + eol;
IntPtr pcmFormat = AudioCompressionManager.GetCompatibleFormat(oldFormat,
AudioCompressionManager.PcmFormatTag);
byte[] pcmData = AudioCompressionManager.Convert(oldFormat, pcmFormat, oldData, false);
IntPtr mp3Format = AudioCompressionManager.GetMp3Format(1, 112, 44100);
f = f.Replace("wav", "mp3");
Mp3Writer mw = new Mp3Writer(File.Create(textBox1.Text + Path.GetFileName(f)));
byte[] newData = AudioCompressionManager.Convert(pcmFormat, mp3Format, oldData, false);
mw.WriteData(newData);
mw.Close();
// **** debug *****
//TextOps(dirMp3 + Path.GetFileName(f) + eol2);
//DeleteFile(f);
}
catch (NullReferenceException nex)
{
//TextOps("NullReferenceException: " + nex.Message.ToString() + cr);
}
catch (IOException iex)
{
//TextOps("IOException: " + iex.Message.ToString() + cr);
}
catch (AudioException ex)
{
//TextOps("AudioException: " + ex.Message.ToString() + cr);
}
}