Conversational Speech Model

\nskBlock[
  id=audio,
  text-north={\large \textbf{Audio}},
  width=6cm, height=1.8cm, fill=nskSecondaryAccent,
  embed-border-size=0mm,
  embed-padding=0mm, importance=1.2,
  embed={
      \node[yshift=-.4mm]
      {\includegraphics[width=6.1cm, height=1cm]
        {../assets/waveform.pdf};};
    },
]
\nskBlock[id=a, text-center=A, last-pos={below=}, width=1.2cm, height=1.2cm, fill=nskBlue]
\nskFillBetween[from=\nskBlockIDLast{2}, to=\nskBlockIDLast{1}, edge=curved]
\nskCoord[last-pos={below=.5cm}] % dummy coord
\nskContainer[padding=1mm, border-radius=4mm]{
  \foreach \c in {31,...,29} {
      \nskBlock[text-center=\c, last-pos={below=1mm}, width=4cm,]
    }
  \nskBlock[text-center=1, last-pos={below=}, width=4cm,]
  \nskConnect[
    from=\nskBlockIDLast{1}, to=\nskBlockIDLast{2},
    arrow-style={dashed, very thick},
  ]
  \nskBlock[text-center=Decoder, last-pos={below=}, width=4cm, fill=nskMainAccent]
  \nskConnect[
    from=\nskBlockIDLast{1}, to=\nskBlockIDLast{2},
    arrow-tip={Circle[width=2mm, length=.8mm]-Straight Barb},
    shorten-from={1mm}, shorten-to={1mm}
  ]
  \nskBlock[text-center=0, last-pos={below=}, width=4cm,]
  \nskConnect[
    from=\nskBlockIDLast{1}, to=\nskBlockIDLast{2},
    arrow-tip={Circle[width=2mm, length=.8mm]-Straight Barb},
    shorten-from={1mm}, shorten-to={1mm}
  ]
}
\nskFillBetween[from=a, to=\nskBlockIDLast{1}, edge=curved]
\nskBlock[
  id=abt, fill=nskMainAccent,
  text-center=\Large \textbf{Autoregressive Backbone Transformer},
  width=15cm,height=2cm, last-pos={below right=1cm and -6cm},
]
\nskCoord[id=cx, at={abt.north}, shift-x=-3.65cm]
\nskConnect[
  from=cx, to={\nskBlockIDLast{3}.south},
  arrow-tip={Circle[width=2mm, length=.8mm]-Straight Barb},
  shorten-to={1mm}
]
% abt coords ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <<<
\nskCoord[id=cxb, at={abt.south}, shift-x=-3.65cm]
\nskCoord[id=cxt, at={abt.north}, shift-x=.5cm]
\nskCoord[id=cxtb, at={abt.south}, shift-x=1cm]
\nskCoord[id=cxtr, at={abt.north}, shift-x=2cm]
\nskCoord[id=cxbr, at={abt.south}, shift-x=2cm]
% abt coords ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <<<
% dummy coord
\nskCoord[pos={below left=1.3cm and 1.3cm of abt}]
\foreach \c/\f in {A/nskBlue, A/nskBlue, T/nskOrange, T/nskOrange, T/nskOrange} {
    \nskBlock[text-center=\c, last-pos={right=1mm}, fill=\f]
  }
\nskConnect[
  from=\nskBlockIDLast{1}.north, to=cxb,
  arrow-tip={Circle[width=2mm, length=.8mm]-Straight Barb},
  shorten-from=1mm,
]
\nskConnect[
  from=audio.east, to=cxt,
  bend-type=single, bend-direction=down,
  arrow-style={very thick, dashed}
]
% right side ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <<<
\nskBlock[id=aa, text-center=A, pos={right=4.4cm of a}, width=1.2cm, height=1.2cm, fill=nskBlue]
\nskCoord[last-pos={below=.5cm}] % dummy coord
\nskContainer[padding=1mm, border-radius=4mm]{
  \foreach \c in {31,...,29} {
      \nskBlock[last-pos={below=1mm}]
    }
  \nskBlock[last-pos={below=}]
  \nskConnect[
    from=\nskBlockIDLast{1}, to=\nskBlockIDLast{2},
    arrow-style={dashed, very thick},
  ]
  \nskBlock[last-pos={below=}, fill=nskMainAccent]
  \nskConnect[
    from=\nskBlockIDLast{1}, to=\nskBlockIDLast{2},
    arrow-tip={Circle[width=2mm, length=.8mm]-Straight Barb},
    shorten-from={1mm}, shorten-to={1mm}
  ]
  \nskBlock[last-pos={below=}]
  \nskConnect[
    from=\nskBlockIDLast{1}, to=\nskBlockIDLast{2},
    arrow-tip={Circle[width=2mm, length=.8mm]-Straight Barb},
    shorten-from={1mm}, shorten-to={1mm}
  ]
}
\nskConnect[
  to=\nskBlockIDLast{1}, from=cxtr,
  arrow-tip={Circle[width=2mm, length=.8mm]-Straight Barb},
  shorten-to={1mm}
]
\nskFillBetween[from=aa, to=\nskBlockIDLast{1}, edge=curved]
\nskCoord[pos={right=.2cm of \nskBlockIDLast{2}}] % dummy coord
\foreach \b/\f in {dots, A/nskBlue, A/nskBlue, A/nskBlue, T/nskOrange} {
    \begin{nskSwitch}[type=string]{\b}
      \nskCase[dots]{
        \nskBlock[
          last-pos={right=.0cm},
          border-type=none, fill=none, shadow=false,
          text-center={\tiny$\bullet\bullet\bullet$}
        ]
      }
      \nskDefault{
        \nskBlock[
          last-pos={right=1mm}, text-center=\b,
          fill=\f,
        ]
      }
    \end{nskSwitch}
  }
\nskBlock[text-center=A, pos={below=.8cm of cxtb}, fill=nskBlue]
\nskConnect[
  from=\nskBlockIDLast{1}.east, to=cxbr,
  bend-type=single, bend-direction=down,
  arrow-tip={-Straight Barb}
]
\nskCoord[pos={right=1.2cm of \nskBlockIDLast{1}}] % dummy coord
\foreach \b/\f in {A/nskBlue, A/nskBlue, dots/, T/nskOrange, T/nskOrange} {
    \begin{nskSwitch}[type=string]{\b}
      \nskCase[dots]{
        \nskBlock[
          last-pos={right=.0cm},
          border-type=none, fill=none, shadow=false,
          text-center={\tiny$\bullet\bullet\bullet$}
        ]
      }
      \nskDefault{
        \nskBlock[
          last-pos={right=1mm}, text-center=\b,
          fill=\f,
        ]
      }
    \end{nskSwitch}
  }
% left fade block ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <<<
\nskBlock[
  pos={below right=-7cm and -2cm of \nskBlockIDLast{2}},
  width=2cm, height=7cm, fade=right,
]
\nskBlock[
  last-pos={left=13.3cm},
  width=2cm, height=7cm, fade=left,
]