/// <summary>
/// Use the DeepSpeech model to perform Speech-To-Text.
/// </summary>
/// <param name="aBuffer">A 16-bit, mono raw audio signal at the appropriate sample rate.</param>
/// <param name="aBufferSize">The number of samples in the audio signal.</param>
/// <param name="aSampleRate">The sample-rate of the audio signal.</param>
/// <returns>The STT result. The user is responsible for freeing the string. Returns NULL on error.</returns>
public unsafe string SpeechToText(short[] aBuffer, uint aBufferSize, uint aSampleRate)
{
var res = NativeImp.DS_SpeechToText(_modelStatePP, aBuffer, aBufferSize, aSampleRate);
int len = 0;
while (Marshal.ReadByte(res, len) != 0)
{
++len;
}
byte[] buffer = new byte[len];
Marshal.Copy(res, buffer, 0, buffer.Length);
return(Encoding.UTF8.GetString(buffer));
}
/// <summary>
/// Use the DeepSpeech model to perform Speech-To-Text.
/// </summary>
/// <param name="aBuffer">A 16-bit, mono raw audio signal at the appropriate sample rate (matching what the model was trained on).</param>
/// <param name="aBufferSize">The number of samples in the audio signal.</param>
/// <returns>The STT result. Returns NULL on error.</returns>
public unsafe string SpeechToText(short[] aBuffer, uint aBufferSize)
{
return(NativeImp.DS_SpeechToText(_modelStatePP, aBuffer, aBufferSize).PtrToString());
}
/// <summary>
/// Use the DeepSpeech model to perform Speech-To-Text.
/// </summary>
/// <param name="aBuffer">A 16-bit, mono raw audio signal at the appropriate sample rate.</param>
/// <param name="aBufferSize">The number of samples in the audio signal.</param>
/// <param name="aSampleRate">The sample-rate of the audio signal.</param>
/// <returns>The STT result. The user is responsible for freeing the string. Returns NULL on error.</returns>
public unsafe string SpeechToText(short[] aBuffer, uint aBufferSize, uint aSampleRate)
{
return(NativeImp.DS_SpeechToText(_modelStatePP, aBuffer, aBufferSize, aSampleRate));
}