RQ-Transformer

\begin{nskFigure}[]
	\nskContainer![]{
	\foreach \i in {1,...,4} {
			\nskLerp[from=100, to=30, n=4, into=p]{\i}
			\nskBlock*[id=eb\i, last-pos-s={right=2mm}, fill=\acc!\p!nskBg, \d]
		}
	\nskWrap[under=\nskID{4}, shift-y=-5mm]
	\foreach \i in {1,...,4} {
			\nskLerp[from=100, to=30, n=4, into=p]{\i}
			\nskBlock[id=vs\i, last-pos-s={right=2mm}, text-center=$V_{s-1, \i}$, fill=\acc!\p!nskBg]
			\nskConnect[from=\nskID{1}.north, to=\nskID{\e<1+4+1>}.south] % nskwrap
		}
	}
	\nskBlock*[id=add, \add, last-pos={above=2.7cm}]
	\foreach \o[count=\i] in {2, .6, -.6, -2} {
			\nskMarkPath[at=\e<-0.25-(.1*\o)>]{add}{\nskMark[shift-y=-1.5mm]}
			\nskConnect[from=eb\i.north, to=\nskID{1},
				bend-type=straight, bend-distance=4mm,
				arrow-tip={-Straight Barb[]},
			]
		}
	\nskBlock[id=tt, text-center=Temporal Transformer, height=9.7cm, text-center-style={rotate=90}, pos={right=of vs4}, align=bottom]
	\nskConnect[from=add, to={\nskID{1}.west |- add}]
	\nskMark[at={\nskID{1}.east |- add}]
 
	% rx ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <<<
	\nskBlock*[id=zs, text-center=$z_s$, last-pos={right}, text-size={\noexpand\Large}, \d]
	\nskConnect[from={tt.east |- \nskID{1}}, to=\nskID{1}, arrow-tip={-Straight Barb[]}]
	\nskBlock[id=zs0, last-pos={right}]
	\foreach \i in {1,...,3} {
			\nskLerp[from=100, to=30, n=3, into=p]{\i}
			\nskBlock*[id=zs\i, last-pos-s={right=2mm}, fill=\acc!\p!nskBg, \d]
		}
	\nskWrap[over=\nskID{3}]
	\foreach \i in {1,...,3} {
			\nskLerp[from=100, to=30, n=3, into=p]{\i}
			\nskBlock[text-center=$V_{s,\i}$, last-pos-s={right=2mm}, fill=\acc!\p!nskBg]
			\nskConnect[from=\nskID{1}, to=\nskID{\e<1+4>}, arrow-tip={-Straight Barb[]}]
		}
	\nskContainer![]{
	\foreach \i in {0,...,3} {
			\nskBlock*[id=add\e<\i+1>, \add\s, pos={below=1.8cm of zs\i},]
			\nskConnect[to=\nskID{1}, from=zs\i]
			% arrow-tip={-Straight Barb[]}]
		}
	}
	\nskMeasure[from=zs0.west, to=zs3.east]
	\nskBlock[id=dt, text-center=Depth Transformer, last-pos={below=}, width=\nskDistance]
 
	\foreach \i in {1,...,4} {
			% \nskConnect[
			% 	from=add\i,
			% 	to=dt.north,
			% ]
			\nskConnect[
			  from=add\i.south,
			     to={add\i.south |- dt.north},
			     arrow-tip={-Straight Barb},
			]
		}
	\nskWrap[under=dt]
	\foreach \i in {1,...,4} {
			\nskLerp[from=100, to=30, n=3, into=p]{\i}
			\nskBlock[text-center=$V_{s,\i}$, last-pos-s={right=2mm}, fill=\acc!\p!nskBg]
			\nskConnect[from=add\i |- dt.south, to=\nskID{1}.north, arrow-tip={-Straight Barb}]
 
		}
	% zs -> add..
	\nskOnbg{
		\foreach \i in {1,...,4} {
				\nskConnect[
					from=zs.south,to=add\i.north,
					bend-type=straight, bend-direction=down,
					bend-distance=\e<6-(1*\i)>mm,
					corner-radius=3mm, color=nskLighterGray,
				]
			}
	}
\end{nskFigure}