Update app.py

app.py

@@ -426,7 +426,7 @@ def solve_optimal_alignment(original_segments, generated_durations, total_durati
         constraints = [s[0] >= 0]
         for i in range(N - 1):
             constraints.append(s[i] + d[i] <= s[i + 1])
-        constraints.append(s[N - 1] + d[N - 1] == total_duration)
+        constraints.append(s[N - 1] + d[N - 1] <= total_duration)
 
         problem = cp.Problem(objective, constraints)
         problem.solve()
@@ -796,7 +796,7 @@ def apply_adaptive_speed(translated_json_raw, source_language, target_language,
 
         # Compute target duration for synthesis
         target_chars = len(translated_text)
-        target_duration = round(target_chars / (prior_speed * relative_speed), 2)
+        target_duration = round(target_chars / adjusted_speed, 2)
 
         # Logging
         logger.info(