this post was submitted on 08 Nov 2025
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No Stupid Questions

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I have an album thats a bit more than 200MB, converted to just an audio only M4a or MP4 its still under 80MB

Is that 120+MB all chaff or is there another way to prevent losing all muh damn wheat

CONSTRAINT/NON-CONSTRAINTS

FILE SIZE DOES NOT MATTER AT ALL TO ME. JUST TO BE CLEAR

MUST BE AN MP4 "video" file. I get that MP4 is a container or whatever but that is a hard constraint—Please respect that

M4A/AAC are not acceptable. It must be within the container that is MP4, non-negotiable

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[–] Lojcs@piefed.social 2 points 2 weeks ago (1 children)

Why .mp4 specifically?

Based on the conversion ratio the mp4s are 220kbps~ which is more than enough to capture all perceptible differences.

The rule of thumb for perceivably perfect bitrates, especially if you don't have audiophile hardware:
mp3: 256-360kbps
aac(mp4): 128-160kbps
opus: 96-128kbps

[–] sopularity_fax@sopuli.xyz 2 points 2 weeks ago

If its not mp4, the app doesnt accept it okay?

I put this bit in the body cuz everyone is gonna wanna ask why but i need it to be rocognized as a constraint and simply work within that fence