fix: improve plotly

app/helpers.py

@@ -10,15 +10,10 @@ import numpy as np
 def load_audio_segment(path: str, format: str) -> AudioSegment:
     return AudioSegment.from_file(path, format=format)
 
-#@st.cache_resource
 def plot_audio(_audio_segment: AudioSegment, title: str = None) -> go.Figure:
     samples = _audio_segment.get_array_of_samples()
-    arr = np.array(samples)
+    arr = np.array(samples[::20])
     df = pd.DataFrame(arr)
     fig = px.line(df, y=0, render_mode="webgl", line_shape="linear", width=1000, height=60, title=title)
     fig.update_layout(xaxis_fixedrange=True, yaxis_fixedrange=True, yaxis_visible=False, xaxis_visible=False, hovermode=False, margin=dict(l=0, r=0, t=0, b=0))
-            #'font': {'size': 18},
-            #'xanchor': 'center',
-            #'yanchor': 'top'})
     st.plotly_chart(fig, use_container_width=True)
-    #return fig