public override AnalyzedAudio Slice(int begin, int count)
{
if (count < 1)
{
throw new ArgumentException(nameof(count));
}
if (begin < 0 || begin + count >= FrameLength)
{
throw new ArgumentOutOfRangeException();
}
var list = Elements.ToList();
var end = begin + count;
var beginElementIndex = Math.Max(list.FindIndex((e) => e.FramePosition > begin) - 1, 0);
var elementCount = list.FindLastIndex((e) => e.FramePosition + e.F0.Length > end) + 1;
var newElements = Elements.Skip(beginElementIndex).Take(elementCount).ToArray();
return(new WorldAnalyzedAudio(
F0.BlockClone(begin, count),
FramePeriod,
SampleRate,
(int)Math.Ceiling((newElements.Last().FramePosition + newElements.Last().F0.Length) * FrameSize) - (int)Math.Ceiling(newElements[0].FramePosition * FrameSize),
begin,
newElements
));
}
public override AnalyzedAudio Copy()
{
return(new WorldAnalyzedAudio(F0.BlockClone(), FramePeriod, SampleRate, SampleCount, BeginFrame, Elements));
}
