Answers.Body: <p>I found how to do it with ffmpeg:</p>
  <pre><code>ffmpeg -y -f lavfi -i color=c=black:s=640x400 -i &quot;input.mp3&quot; ^
  -vf [in]drawtext=fontfile=%fontFile%:fontcolor=white:x=0:y=h-t*(th/%T%)-h/2:textfile='input.txt',^
  drawtext=fontfile=c\\:/windows/fonts/arial.ttf:fontsize=19:fontcolor=red:x=0:y=h-lh:text=%%{pts^\:hms} ^
  -c:v libx264 -crf 20 -preset veryfast -t 21 -r 30 -hide_banner -codec:a copy output.mp4 &amp;&amp; start output.mp4
  </code></pre>
  <p>Note that &quot;^&quot; symbol is for breaking a long line in batch file.</p>
  <p>This takes input.mp3 audio and raw text from input.txt and generates a video file with titles scrolling from bottom up.</p>
  <p>Unfortunately, I can't provide any explanation for the ffmpeg switches as I simply Googled for it a long time ago.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2020-08-26T18:33:50.360Z
Answers.LastActivityDate: 2020-08-26T18:33:50.360Z
Answers.UserDisplayName: jackhab
Answers.Body: <p>I hope after 3 years you managed to solve it. But here is an option anyway.</p>
  <p>Use any decent video editor.</p>
  <p>Some editors have &quot;text&quot; effects, like an &quot;end credits scene&quot;. On Davinci Resolve (which is free) you simply add this effect and control the speed, font, color.</p>
  <p>Some other programs simply allow you to import an image file with a transparent background and move it around the frame.</p>
  <p>You can prepare this PNG file in Gimp, add the text there and import and move it on the editing program.</p>
  <p>Some programs that allow you to move elements (Keyframing) are Hit film express and OpenShot, besides Davinci Resolve.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2020-08-26T18:39:22.710Z
Answers.Text: Thanks for the ideas but I was looking for solution to automate this process because I have quite a lot of file to process.
Answers.UserDisplayName: jackhab
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2020-08-24T23:13:46.950Z
Answers.LastActivityDate: 2020-08-24T23:13:46.950Z
Answers.UserDisplayName: Rafael
Body: <p>I want to take an mp3 podcast and its transcript and create a video of the text scrolling vertically on the screen with the audio.</p>
  
  <p>I need to scroll 10~20 lines of text so that I don't have to sync each line.</p>
  
  <p>I used MS MovieMaker for this job but now I want to automate the process.</p>
  
  <p>What tool do you recommend, ffmpeg, AviSynth? Also startup tips and examples would be very helpful as I don't have any experience in video processing.</p>
  
Tags: <post-production><subtitles>
Title: Scrolling text on video
UserDisplayName: jackhab
ThreadText: # Scrolling text on video
  
  (Asked by: username_0 on 2017-03-07)
  
  I want to take an mp3 podcast and its transcript and create a video of the text scrolling vertically on the screen with the audio.
  
  I need to scroll 10~20 lines of text so that I don't have to sync each line.
  
  I used MS MovieMaker for this job but now I want to automate the process.
  
  What tool do you recommend, ffmpeg, AviSynth? Also startup tips and examples would be very helpful as I don't have any experience in video processing.
  
  **Tags:** post-production, subtitles
  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_0 on 2020-08-26. Score: 0 | Accepted answer
  
  I found how to do it with ffmpeg:
  
  ```
  ffmpeg -y -f lavfi -i color=c=black:s=640x400 -i "input.mp3" ^
  -vf [in]drawtext=fontfile=%fontFile%:fontcolor=white:x=0:y=h-t*(th/%T%)-h/2:textfile='input.txt',^
  drawtext=fontfile=c\\:/windows/fonts/arial.ttf:fontsize=19:fontcolor=red:x=0:y=h-lh:text=%%{pts^\:hms} ^
  -c:v libx264 -crf 20 -preset veryfast -t 21 -r 30 -hide_banner -codec:a copy output.mp4 && start output.mp4
  
  ```
  
  Note that "^" symbol is for breaking a long line in batch file.
  
  This takes input.mp3 audio and raw text from input.txt and generates a video file with titles scrolling from bottom up.
  
  Unfortunately, I can't provide any explanation for the ffmpeg switches as I simply Googled for it a long time ago.
  
  
  ---
  
  ### Answer by username_1 on 2020-08-24. Score: 0
  
  I hope after 3 years you managed to solve it. But here is an option anyway.
  
  Use any decent video editor.
  
  Some editors have "text" effects, like an "end credits scene". On Davinci Resolve (which is free) you simply add this effect and control the speed, font, color.
  
  Some other programs simply allow you to import an image file with a transparent background and move it around the frame.
  
  You can prepare this PNG file in Gimp, add the text there and import and move it on the editing program.
  
  Some programs that allow you to move elements (Keyframing) are Hit film express and OpenShot, besides Davinci Resolve.
  
  > **Comments:**
  > **username_0**: Thanks for the ideas but I was looking for solution to automate this process because I have quite a lot of file to process.  
  
  ---
  
  