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				@@ -229,7 +229,7 @@ def transcribe( 
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				         last_speech_timestamp = 0.0 
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				         while seek < content_frames: 
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				             if progress_callback is not None: 
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				-                progress_value = seek / num_frames 
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				+                progress_value = seek / content_frames 
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				                 progress_callback(progress_value) 
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				             time_offset = float(seek * HOP_LENGTH / SAMPLE_RATE) 
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