I'm doing a video and audio editing in python. Trying to convert an srt file to audio with timings. That's why I'm trying to do so that the talking parts are as long as the timings in the srt file. If they are not, I want to either speed up or speed down the parts. Here's what I have so far, the else part works perfectly fine but I can't seem to get the if part working. Why? duration_of_dialogue = str(sub.end - sub.start) time_datetime = datetime.strptime(duration_of_dialogue, "%H:%M:%S,%f") milliseconds2 = (time_datetime.hour * 3600 + time_datetime.minute * 60 + time_datetime.second) * 1000 + time_datetime.microsecond / 1000 print("Duration should be ", milliseconds2) text_duration_ms = len(audio_segment) print("Current duration is ", text_duration_ms) if text_duration_ms != milliseconds2: speed_change = milliseconds2 / text_duration_ms if speed_change > 1: audio_segment = audio_segment.speedup(speed_change) else: audio_segment = audio_segment.speedup(1 / speed_change) new_audio_segment = audio_segment.set_frame_rate(int(audio_segment.frame_rate * speed_change)) audio_segment = new_audio_segment[:milliseconds2] print("New duration is ", len(audio_segment))

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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I'm doing a video and audio editing in python. Trying to convert an srt file to audio with timings. That's why I'm trying to do so that the talking parts are as long as the timings in the srt file. If they are not, I want to either speed up or speed down the parts. Here's what I have so far, the else part works perfectly fine but I can't seem to get the if part working. Why?

duration_of_dialogue = str(sub.end - sub.start)

time_datetime = datetime.strptime(duration_of_dialogue, "%H:%M:%S,%f")

milliseconds2 = (time_datetime.hour * 3600 + time_datetime.minute * 60 + time_datetime.second) * 1000 + time_datetime.microsecond / 1000

print("Duration should be ", milliseconds2)

text_duration_ms = len(audio_segment)

print("Current duration is ", text_duration_ms)

if text_duration_ms != milliseconds2:

speed_change = milliseconds2 / text_duration_ms

if speed_change > 1:

audio_segment = audio_segment.speedup(speed_change)

else:

audio_segment = audio_segment.speedup(1 / speed_change)

new_audio_segment = audio_segment.set_frame_rate(int(audio_segment.frame_rate * speed_change))

audio_segment = new_audio_segment[:milliseconds2]

print("New duration is ", len(audio_segment))

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