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。我得到的声音从它的byte []。
然后转换成字节[]浮动[]:
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:
Then create AudioClip:
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:(。
But result is noise :( .
答
floatArr需要进行调整以成为-1.0F到1.0F的范围内。
floatArr needs to be scaled to be within the range of -1.0f to 1.0f.
floatArr[i] = BitConverter.ToSingle(array, i*4) / 0x80000000;