Re: Question about ABR Presets on CBR mode

I've just tested with the scale option.
But it seems to be "<scale argument> * <preset scale>".
​
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​
# lame dev.mp3 --verbose --scale 1 -b 128 dev_test.mp3
​
LAME 3.100 64bits (http://lame.sf.net)
Using polyphase lowpass filter, transition band: 16538 Hz - 17071 Hz
Encoding dev.mp3 to dev_test.mp3
Encoding as 44.1 kHz j-stereo MPEG-1 Layer III (11x) 128 kbps qval=3
​
misc:
​
scaling: 0.95
ch0 (left) scaling: 1
ch1 (right) scaling: 1
huffman search: best (outside loop)
experimental Y=0
...
​
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​
Regards,
Jang Ryeol

-----Original Message-----
From: "Gabriel Bouvigne"<[email protected]>
To: "장렬"<[email protected]>;
Cc: <[email protected]>;
Sent: 2019-06-19 (수) 20:50:01 (GMT+09:00)
Subject: Re: [Lame-dev] Question about ABR Presets on CBR mode
 
On 2019-06-19 13:05, 장렬 wrote:
> I'm afraid I need to preserve original loudness as possible while
> encoding them at low bitrates,
> and 0.45 LUFS means much.
> 
> And the audio is silent enough that no clipping would occur.
> ​
> Is there any frontend option that effectively disable volume scaling?
> ​
> I found that '--scale 1.05263' works, but... you know :)

"--scale 1" should do the trick.

Internal preset options should only be applied if the user did not
manually set those options.

Regards,

--
Gabriel


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