Convert floating point audio data in the range -1.0 to 1.0 to signed 16-bit audio data and populate the provided stream

convert-audio.cs

/// <summary>
/// Convert floating point audio data in the range -1.0 to 1.0 to signed 16-bit audio data
/// and populate the provided stream
/// </summary>
/// <param name="audioData"></param>
/// <param name="stream"></param>
/// <returns></returns>
int BufferConvertedData(float[] audioData, Stream stream)
{
    // Can't just do a block copy here as we need to convert from float[-1.0f, 1.0f] to 16bit PCM
    int i = 0;
    while (i < audioData.Length)
    {
        stream.Write(BitConverter.GetBytes(Convert.ToInt16(audioData[i] * Int16.MaxValue)), 0, sizeof(Int16));
        ++i;
    }
    return audioData.Length;
}