Fix parselmouth commands: use 'Change pitch' + 'Change formants' instead of 'Change gender'

app_simple.py

@@ -51,24 +51,21 @@ def convert_voice_simple(
     # Convert to parselmouth Sound
     sound = parselmouth.Sound(y, sampling_frequency=sr)
     
-    # 1. Pitch shift using PSOLA
+    # 1. Pitch shift using PSOLA (Change pitch command)
     if pitch_shift != 0:
-        # Convert semitones to ratio
         pitch_ratio = 2 ** (pitch_shift / 12.0)
-        # Use PSOLA for high-quality pitch shifting
-        sound = call(sound, "Change gender", pitch_ratio, 1.0, 1.0, 1.0, 1.0)
+        # Change pitch: pitch_ratio, time_step, min_pitch, max_pitch
+        sound = call(sound, "Change pitch", pitch_ratio, 0.01, 50, 500)
     
-    # 2. Formant shift
+    # 2. Formant shift (Change formants command)
     if formant_shift != 0:
         formant_ratio = 2 ** (formant_shift / 12.0)
-        # Change formants without changing pitch
-        sound = call(sound, "Change gender", 1.0, formant_ratio, 1.0, 1.0, 1.0)
+        # Change formants: formant_ratio, new_pitch_median
+        sound = call(sound, "Change formants", formant_ratio, 1.0)
     
     # 3. Add breathiness (mix with noise)
     if breathiness > 0:
-        # Generate breath noise
         noise = np.random.normal(0, breathiness * 0.1, len(sound.values[0]))
-        # Apply noise mainly to unvoiced segments (simple approach)
         sound.values[0] = sound.values[0] * (1 - breathiness) + noise * breathiness
     
     # Get result