Question re: audio when importing AVCHD footage

Hi everyone,
I use a Panasonic AF-100 which records using the AVCHD codec and uncompressed PCM audio. When using the Log and Transfer function to transcode my footage, I see that in the Preferences menu of Log and Transfer, under "AVCHD", audio is stated to be "AC3" (and I do not believe this setting can be changed). When I transcode the footage to ProRes, does the audio get transcoded to the AC3 format and thereby gets compressed in the process?
If anyone knows and would like to share, that would be much appreciated!
A.

According to the camera's specs (http://pro-av.panasonic.net/en/af100/spec.html):
[Audio recording playback]
Recording Format: PH mode: Dolby Digital/2ch, linear PCM digital/2ch switch HA/HE mode: Dolby Digital/2ch
Sampling Frequency: 48 kHz
Encoding: 16 bit
Compressed Bit Rate: Dolby Digital: PH mode: 384 kbpsHA, HE mode: 256 kbps
So the camera records audio in Dolby Digital. I'm not 100% certain on this, but aren't Dolby Digital and AC3 the same thing? At any rate, from the camera's specs, I don't see where the audio is recorded "uncompressed."
I don't think the audio gets transcoded to AC3 - I think it IS originally AC3 and gets transcoded to AIF (AIFF or AIFC) during the Log & Transfer process.
-DH

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Question re: audio when importing AVCHD footage

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