What does the -X n option do?


----- Original Message -----
From: Mark Taylor <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, January 14, 2000 7:25 AM
Subject: [MP3 ENCODER] More comments from a recording engineer:


>
> Here are some more interesing comments from Timothy:
>
>
> ------- Start of forwarded message -------
> From: "Timothy" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Subject: Re: LAME
> Date: Thu, 13 Jan 2000 17:49:53 -0800
>
> Mark,
>
> I was playing around with the -X n in the command line for LAME 3.60 and I
> found -X 3 delivers a much better overall sound that is stunningly decent
in
> VBR mode.  It actually made joint stereo sound good for once with few if
any
> artifacts and an airy top end that wasn't grainy with a 165 kb/sec
average.
> Here is the command line I used for it:  -V 6 -b 128 -B 224  -m j -h -X 3
>
> I used Alanis Morissette's MTV Unplugged CD, track 10 King of Pain.  Very
> nice overall sound at an extremely reasonable bit rate.  I feel most users
> would like the result and not really pick up artifacts with most material.
> The default setting produced artifacts in the high frequecies with a faint
> shaker and chimes in the backround.  But the -X 3 setting does it
> beautifully all the way down to a 165 kb/sec average.  I could not get the
> default setting to encode certain backround sounds without artifacts
> regardless of how high the average bitrate was.  But the -X 3 option
cleaned
> up alot of upper midrange and high frequency garbage.  Sounds nice and
airy
> in the demanding live acoustic music I chose to test it with.
>
> There was little if any descernable difference between VBR 6 at 165 kb/sec
> and VBR 5 at 180 kb/sec which was surprising to me.  I'm still putting
3.60
> through the paces.  I'll try out more difficult sounds because I am very
> impressed this time and intrigued with the -X 3 setting.  It may just seem
> to be doing a good job with this one piece of music.  We will see how it
> stands up to real torture.  :)
>
> Later,
> Timothy
> ------- End of forwarded message -------
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