Sony ILCA-77M2 - Manual (Page 112)

deviations between video and audio.
[129] How to Use Using shooting functions Recording movies
Wind Noise Reduct.
Sets whether or not to reduce wind noise during movie recording.
1. MENU
→ (Camera Settings) → [Wind Noise Reduct.] → desired setting.
Menu item details
On:
Reduces wind noise.
Off (default setting):
Does not reduce wind noise.
Note
Setting this item to [On] where wind is not blowing sufficiently hard may cause normal sound to be
recorded with too low volume.
When an external microphone (sold separately) is used, [Wind Noise Reduct.] does not function.
[130] How to Use Using shooting functions Recording movies
Auto Slow Shut. (movie)
Sets whether or not to adjust the shutter speed automatically when recording movies if the subject is
dark.
1. MENU
→ (Camera Settings) → [
Auto Slow Shut.]
→ desired setting.
Menu item details
On (default setting):
Uses [
Auto Slow Shut.]. The shutter speed automatically slows when recording in dark locations.
You can reduce noise in the movie by using a slow shutter speed when recording in dark locations.
Off:
Does not use [
Auto Slow Shut.]. The recorded movie will be darker than when [On] is selected, but
you can record movies with smoother motion and less object blur.
Note
[ Auto Slow Shut.] does not function in the following situations:
When [Movie] in shooting mode is set to [Shutter Priority] or [Manual Exposure].