Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens - Manual (Page 374)

Memo Audio Quality
You can set the audio quality for recording voice memos.
1.
Select [ : Memo audio quality].
2.
Select an option.
48 kHz: High quality (48 kHz)
8 kHz: Low quality (8 kHz)
Enables smaller voice memo file sizes than with [ High quality (48
kHz) ].
Caution
Additional voice memo recording for images with existing voice memos is
performed at the same level of audio quality as the first recording, regardless of this
setting.
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