Details
Students download the session´s recording and play it on specific players (i.e: Quicktime), the video plays correctly but does not have audio.
The session recording plays correctly in the web browser when opened from the room.
Problem Clarification
Codec H264 is used for the session recordings and some players might not include it.
Cause
The codec H264 is not included in the player supported codecs.
Solution
These are the available options
i) Use a different player that supports H264, like VLC Video Player
ii) Install the codec on your device
iii) Play back on a different device, such as Windows, where the player already has the required codecs