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/*
* Copyright 2011 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.unitgen;
import com.jsyn.util.Instrument;
import com.jsyn.util.VoiceDescription;
import com.softsynth.shared.time.TimeStamp;
/**
* A voice that can be allocated and played by the VoiceAllocator.
*
* @author Phil Burk (C) 2011 Mobileer Inc
* @see VoiceDescription
* @see Instrument
*/
public interface UnitVoice extends UnitSource {
/**
* Play whatever you consider to be a note on this voice. Do not be constrained by traditional
* definitions of notes or music.
*
* @param frequency in Hz related to the perceived pitch of the note.
* @param amplitude generally between 0.0 and 1.0
* @param timeStamp when to play the note
*/
void noteOn(double frequency, double amplitude, TimeStamp timeStamp);
void noteOff(TimeStamp timeStamp);
/**
* Typically a UnitVoice will be a subclass of UnitGenerator, which just returns "this".
*/
@Override
public UnitGenerator getUnitGenerator();
/**
* Looks up a port using its name and sets the value.
*
* @param portName
* @param value
* @param timeStamp
*/
void setPort(String portName, double value, TimeStamp timeStamp);
void usePreset(int presetIndex);
}
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