从字节 [] 创建音频剪辑
问题描述:
我有问题.我使用 sqlite 来存储声音.我在字节 [] 中从中得到声音.然后将 byte[] 转换为 float[]:
I have problem. I use sqlite to store sounds. I get sound from it in byte[]. Then convert byte[] to float[]:
private float[] ConvertByteToFloat(byte[] array)
{
float[] floatArr = new float[array.Length / 4];
for (int i = 0; i < floatArr.Length; i++)
{
if (BitConverter.IsLittleEndian)
Array.Reverse(array, i * 4, 4);
floatArr[i] = BitConverter.ToSingle(array, i * 4);
}
return floatArr;
}
float[] f = ConvertByteToFloat(bytes);
然后创建音频剪辑:
AudioClip audioClip = AudioClip.Create("testSound", f.Length, 1, 44100, false, false);
audioClip.SetData(f, 0);
然后播放
AudioSource.PlayClipAtPoint(audioClip, new Vector3(100, 100, 0), 1.0f);
但结果是噪音:(.
答
floatArr需要缩放到-1.0f到1.0f范围内.
floatArr needs to be scaled to be within the range of -1.0f to 1.0f.
floatArr[i] = BitConverter.ToSingle(array, i*4) / 0x80000000;