Esempio n. 1
0
        public static void AdjustPitch(AudioClip clip, SoundPlayer player)
        {
            int key = KeyFinder.KeyFind(clip);

            Logger.log.Error("the key of song is " + key);

            int sampleKey = 21; //GMinor

            int minMajDiff = (sampleKey % 2 == 0) ? -3 : 3;

            minMajDiff = ((key % 2) == (sampleKey % 2)) ? 0 : minMajDiff;

            int diff = ((int)(key - sampleKey) / 2 + minMajDiff + 24) % 12;

            float pitch = 1f;

            if (diff <= 7)
            {
                for (int i = 0; i < diff; i++)
                {
                    pitch *= KeyFinder.SEMITONE;
                }
            }
            else
            {
                for (int i = 0; i < 12 - diff; i++)
                {
                    pitch /= KeyFinder.SEMITONE;
                }
            }

            player.SetPitch(pitch);

            Logger.log.Error("the key diff is " + diff);
        }
Esempio n. 2
0
        public static float AdjustPitch(AudioClip song, int sampleKey)
        {
            int key = KeyFinder.KeyFind(song);

            Log.Write("the key of song is " + key);

            //int sampleKey = 21; //GMinor

            int minMajDiff = (sampleKey % 2 == 0) ? -3 : 3;

            minMajDiff = ((key % 2) == (sampleKey % 2)) ? 0 : minMajDiff;

            Log.Write("minMajDiff is " + minMajDiff);

            int diff = ((int)(key - sampleKey) / 2 + minMajDiff + 24) % 12;

            float pitch = 1f;

            if (diff <= 7)
            {
                for (int i = 0; i < diff; i++)
                {
                    pitch *= SEMITONE;
                }
            }
            else
            {
                for (int i = 0; i < 12 - diff; i++)
                {
                    pitch /= SEMITONE;
                }
            }

            return(pitch);
        }