[FFmpeg-user] MP4s (and M4As) for music

[Mark Filipak]

Hey, Paul.

On 08/06/2025 13.23, Paul B Mahol wrote:
> On Sun, Jun 8, 2025 at 5:19 PM Mark Filipak <
> markfilipak.imdb-at-gmail.com at ffmpeg.org> wrote:
>> For AAC encoding of pcm_s16le, what command should I use?
> There are numerous infos on web that native, ffmpeg AAC encoder is
> sub-optimal on low bit-rates.

What bit rates are considered low bit rates? I'm trying to encode audio that is 657.6 
k-bits/second/channel.

> For above question, audio filter stack will do all necessary work
> automatically, if you use ffmpeg.exe tool.

Of course I'm using ffmpeg.exe.

> There is nothing to do on your side, only if sample rate is different
> between input and output you may need to start to worry.

No I'm not resampling.

So, what command should I use for archival quality pcm_s16le?