コード例 #1
0
        public static void Start(this VolumeEnvelope envelope, RegionPair region, int key, int velocity)
        {
            // If the release time is shorter than 10 ms, it will be clamped to 10 ms to avoid pop noise.

            var delay   = region.DelayVolumeEnvelope;
            var attack  = region.AttackVolumeEnvelope;
            var hold    = region.HoldVolumeEnvelope * SoundFontMath.KeyNumberToMultiplyingFactor(region.KeyNumberToVolumeEnvelopeHold, key);
            var decay   = region.DecayVolumeEnvelope * SoundFontMath.KeyNumberToMultiplyingFactor(region.KeyNumberToVolumeEnvelopeDecay, key);
            var sustain = SoundFontMath.DecibelsToLinear(-region.SustainVolumeEnvelope);
            var release = Math.Max(region.ReleaseVolumeEnvelope, 0.01F);

            envelope.Start(delay, attack, hold, decay, sustain, release);
        }
コード例 #2
0
        internal Voice(Synthesizer synthesizer)
        {
            this.synthesizer = synthesizer;

            volEnv = new VolumeEnvelope(synthesizer);
            modEnv = new ModulationEnvelope(synthesizer);

            vibLfo = new Lfo(synthesizer);
            modLfo = new Lfo(synthesizer);

            oscillator = new Oscillator(synthesizer);
            filter     = new BiQuadFilter(synthesizer);

            block = new float[synthesizer.BlockSize];
        }
コード例 #3
0
 public static void Start(this VolumeEnvelope envelope, InstrumentRegion region, int key, int velocity)
 {
     Start(envelope, new RegionPair(PresetRegion.Default, region), key, velocity);
 }