How to add audio to a video in “Photos for Windows 10”.
Click Video Projects
Click “Custom audio” in the top right of the window, Between “Background music” and “Sync to OneDrive”.-
Set the “in” marker in the timeline where you want the audio to start.
You may need to work with the audio before you add it. I used these steps.
a. The audio file in my case was a narration I recorded using Windows 10 Voice Recorder. This gives you files in
b. I wanted to trim the file so I had to convert it to WAV so I could edit it with Audacity.
c. I installed ffmpeg for windows from https://lame.buanzo.org/#lamewindl. This gives you
ffmpeg.exewhich you can use from the command prompt.
d. CD to the directory containing the
e. Convert it like this:
C:\PROGRA~2\FFMPEG~1\ffmpeg.exe -i input.m4a output.wav
Click “Add audio file”, select the
output.wavfile in the file browser, click ok, click Done.
Click “Finish video” and select a place to save the file.