`TCustomChannelDataCoder`
pt		CorrectBlocksize
pt		BlockSizeChanged
pt		ReallocateChannelMemory
pt		ChannelCountChanged
pt		SampleFramesChanged
pt		AssignTo
		Create
		Destroy
		SampleToByte
		SetBlockSizeAndChannelCount
		LoadFromStream
		SaveToStream
		LoadFromPointer
		SaveToPointer