我已经开始使用声音来合成音频,我不知道为什么我会在声音中听到那些嘈杂的咔嗒声?
我的循环是:
for(i in 0...2048)
{
var phase:Float = position / 44100.0 * Math.PI * 2;
position+=1;
sample = Math.sin(phase * v); // where v varies between 200 to 400
event.data.writeFloat(sample); // left
event.data.writeFloat(sample); // right
}
任何想法?
编辑
我需要做的是在循环内插入频率:
var phaserad:Float= 2*Math.PI/44100;
var delta:Float = current_v - new_v;
var p:Int= 2048;
for(i in 0...2048)
{
p--;
v = new_v + delta * (p / 2048); // v will interpolate from current_v to new_v
position += v * phaserad;
sample = Math.sin(position);
event.data.writeFloat(sample); // left
event.data.writeFloat(sample); // right
}
current_v = new_v;
但是,我什么也听不见,我尝试了另一种方法:
var delta:Float = current_v - new_v;
var p:Int= 2048;
for(i in 0...2048)
{
var phase:Float = position / 44100.0 * Math.PI * 2;
position+=1;
p--;
v = new_v + delta * (p / 2048); // v will interpolate from current_v to new_v
sample = Math.sin(phase * v); // where v varies between 200 to 400
event.data.writeFloat(sample); // left
event.data.writeFloat(sample); // right
}
但是,频率会继续上升,并且不会停止在预期的 new_v