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Conversion Audio/Video format CONVERSIONS, How to Convert/encode/rip etc

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shinjite
post Jan 29 2008, 10:47 AM

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QUOTE(mmohdnor @ Jan 27 2008, 12:13 PM)
how to balance out between resolution, bit rate, and file size if we want to resize a video?
any tips/rule-of-thumb to do this?

let say i want to resize a file from 350mb to 260mb, what's the best bit rate, resolution, bits/pixel to use so that the quality loss is not too severe?
any tips?
*
Just input the filesize into the encoder and the encoder's own bitrate calculator will calculate for you. As for IQ, do some test trials....best is not to touch it at all
TechnoDude94
post Mar 2 2008, 08:51 PM

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Can someone here, please tell me on how to convert a Fraps recorded video (FPS1 codec) into flash movie to be uploaded to YouTube? Please state the software (freeware) and instructions on how to do it? Thanks in advance.
! Love Money
post Mar 9 2008, 12:39 AM

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any pro here, i need a cdex expert icon_question.gif
how to convert cd audio to mp3 in the highest quality rclxm9.gif
i try to enable the VBR mode and set bitrate min 224 to 320 but just constantly played at 224kbps only doh.gif
help icon_question.gif help icon_question.gif help icon_question.gif

This post has been edited by ! Love Money: Mar 9 2008, 12:39 AM
1024kbps
post Mar 9 2008, 12:46 AM

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vbr mode is like that one iirc, if the part of the audio doesnt require such high bitrate to encode, then it will stay at lowest bitrate as set by user during transcoding.

and depend on audio player u use, some player will only show average bitrate, instead of dynamic bitrate info.
! Love Money
post Mar 10 2008, 05:50 AM

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QUOTE(1024kbps @ Mar 9 2008, 12:46 AM)
vbr mode is like that one iirc, if the part of the audio doesnt require such high bitrate to encode, then it will stay at lowest bitrate as set by user during transcoding.

and depend on audio player u use, some player will only show average bitrate, instead of dynamic bitrate info.
*
maybe thats yours, but my requirement is very high
finally i hv successfully convert it in VBR mode but need to sacrifice to a big MP3 file size cry.gif
super macgyver
post Mar 10 2008, 06:14 PM

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QUOTE(! Love Money @ Mar 10 2008, 05:50 AM)
maybe thats yours, but my requirement is very high
finally i hv successfully convert it in VBR mode but need to sacrifice to a big MP3 file size cry.gif
*
u can try mine config:

abr 134 -h --nspsytune --athtype 2 [--lowpass 16] --ns-bass -8
1024kbps
post Mar 10 2008, 06:21 PM

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QUOTE(super macgyver @ Mar 10 2008, 06:14 PM)
u can try mine config:

abr 134 -h --nspsytune --athtype 2 [--lowpass 16] --ns-bass -8
*
hmm, custom command line options is not recommended, unless u know what are u doing tongue.gif
and abr 134 is... sweat.gif quite a low bitrate setting.
super macgyver
post Mar 10 2008, 06:24 PM

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QUOTE(1024kbps @ Mar 10 2008, 06:21 PM)
hmm, custom command line options is not recommended, unless u know what are u doing tongue.gif
and abr 134 is... sweat.gif quite a low bitrate setting.
*
u can still edit further mar , below is sum refer examples:

simple 120 kbit/s
classical 160 kbit/s
global 170-175 kbit/s
metal 200 kbit/s
hyper 260-270 kbit/s
1024kbps
post Mar 10 2008, 06:25 PM

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QUOTE(! Love Money @ Mar 10 2008, 05:50 AM)
maybe thats yours, but my requirement is very high
finally i hv successfully convert it in VBR mode but need to sacrifice to a big MP3 file size cry.gif
*
duh its depend on settings, and i seldom use mp3 encoder tongue.gif
highest quality settings for lame mp3 encoder = --cbr 320 -h lol
if this one cant satisfy u, use lossless codec instead? brows.gif


Added on March 10, 2008, 6:38 pm
QUOTE(super macgyver @ Mar 10 2008, 06:24 PM)
u can still edit further mar , below is sum refer examples:

simple  120 kbit/s
classical 160 kbit/s
global  170-175 kbit/s
metal  200 kbit/s
hyper  260-270 kbit/s
*
ok, but if u are using the bitrate settings from above with ur custom command line, the audio quality would be mess up, correct me if im wrong sweat.gif

This post has been edited by 1024kbps: Mar 10 2008, 06:38 PM
! Love Money
post Mar 10 2008, 08:09 PM

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QUOTE(super macgyver @ Mar 10 2008, 06:14 PM)
u can try mine config:

abr 134 -h --nspsytune --athtype 2 [--lowpass 16] --ns-bass -8
*
abr still same as constant, in vbr mode the bitrate fluctuate like hell rclxm9.gif


Added on March 10, 2008, 8:10 pm
QUOTE(1024kbps @ Mar 10 2008, 06:21 PM)
hmm, custom command line options is not recommended, unless u know what are u doing tongue.gif
and abr 134 is... sweat.gif quite a low bitrate setting.
*
agreed. differ with 128 is not very much shakehead.gif
i try 192 but still not satisfy so i used up a whole day to explore the cdex sweat.gif


Added on March 10, 2008, 8:12 pm
QUOTE(1024kbps @ Mar 10 2008, 06:25 PM)
duh its depend on settings, and i seldom use mp3 encoder tongue.gif
highest quality settings for lame mp3 encoder = --cbr 320 -h lol
if this one cant satisfy u, use lossless codec instead? brows.gif


Added on March 10, 2008, 6:38 pm
ok, but if u are using the bitrate settings from above with ur custom command line, the audio quality would be mess up, correct me if im wrong sweat.gif
*
320 i tried before and the file size exceed 10mb shocking.gif

This post has been edited by ! Love Money: Mar 10 2008, 08:12 PM
1024kbps
post Mar 10 2008, 08:33 PM

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cdex just utilize the lame encoder dll only, which dont have much options can be tweak on there.
the command line version one will give u the full power to tweak the encoder, but hey, its for advanced user only tongue.gif

instead of messing with the encoder settings, save ur time and read this:
http://wiki.hydrogenaudio.org/index.php?title=LAME
super macgyver
post Mar 11 2008, 12:07 AM

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QUOTE(! Love Money @ Mar 10 2008, 08:09 PM)
abr still same as constant, in vbr mode the bitrate fluctuate like hell rclxm9.gif


Added on March 10, 2008, 8:10 pm
agreed. differ with 128 is not very much shakehead.gif
i try 192 but still not satisfy so i used up a whole day to explore the cdex sweat.gif


Added on March 10, 2008, 8:12 pm
320 i tried before and the file size exceed 10mb shocking.gif
*
u can play with Exact Audio Copy v0.95 b5.

if really higher quality, u can try with tis. tongue.gif i usually only use it on original cd which i borrow from fren and when i really like it very much the song in it.

--abr 160 -b 32 -B 320 -m j -q 2 -V 1 --lowpass 19.5

thumbup.gif
1024kbps
post Mar 11 2008, 06:27 PM

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QUOTE(super macgyver @ Mar 11 2008, 12:07 AM)
u can play with Exact Audio Copy v0.95 b5.

if really higher quality, u can try with tis.  tongue.gif  i usually only use it on original cd which i borrow from fren and when i really like it very much the song in it.

--abr 160 -b 32 -B 320 -m j -q 2 -V 1 --lowpass 19.5

thumbup.gif
*
ur command line have ABR and VBR options appear at the same time, which will probably overriding each other.
and lowpass setting already incuded in preset -V0. again its not recommended to modify it sweat.gif

really high quality would be -V0 -h/cbr 320.
super macgyver
post Mar 11 2008, 11:51 PM

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QUOTE(1024kbps @ Mar 11 2008, 06:27 PM)
ur command line have ABR and VBR options appear at the same time, which will probably overriding each other.
and lowpass setting already incuded in preset -V0. again its not recommended to modify it sweat.gif

really high quality would be -V0 -h/cbr 320.
*
i aldy use since many yr ago, i also forget 1 i use is incorrect, so u think which word should i delete it? rclxub.gif


1024kbps
post Mar 12 2008, 06:05 PM

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--abr 160 -b 32 -B 320 -m j -q 2 -V 1 --lowpass 19.5

either remove -V1 to get true ABR, or remove -abr 160 -b 32 -B 320 to get real VBR.
add --vbr-new for faster encoding speed brows.gif

strongly recommended to remove the lowpass options, its redundant and probably for experimenting audio quality only.
bafukie
post Mar 12 2008, 08:54 PM

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i cant seem to find it so i need ur guys help. Is there a software that converts mp3/wma into 'cd' file. My car player can only play cd, so planning to convert my mp3/wma to those normal cd. Thanks very much
1024kbps
post Mar 12 2008, 09:17 PM

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nero... (support many audio format but depend on plugins installed)
windows media player 11(older version prolly also can, support mp3/wma/wav only iirc)
http://www.burrrn.net/ (better than above, err doesnt support wma directly whistling.gif where is ffmpeg?1?!)

This post has been edited by 1024kbps: Mar 12 2008, 09:23 PM
bafukie
post Mar 12 2008, 10:27 PM

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actually wat is the 'normal cd' song file? its not mp3 nor wma... if i can find the type of file it uses, prolly i can use some converter to convert my mp3/wma files into... .cda?
1024kbps
post Mar 12 2008, 10:42 PM

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u have to choose "burn/create audio cd" from nero, and select ur favorite mp3/wma or other audio formats, nero will convert it to wav file and burn it to audio cd.

the .cda file u sees on windows explorer is some kind of "fake file" its a small file and its only readable by media player classic(or its external cda dshow decoder installed.)
only cd-ripper and som other cd-burner software can read the true audio-cd file.
its 16bit, stereo, 44100hz, 1411kbps uncompressed wav file.
super macgyver
post Mar 13 2008, 12:20 AM

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QUOTE(1024kbps @ Mar 12 2008, 06:05 PM)
--abr 160 -b 32 -B 320 -m j -q 2 -V 1 --lowpass 19.5

either remove -V1 to get true ABR, or remove -abr 160 -b 32 -B 320 to get real VBR.
add --vbr-new for faster encoding speed brows.gif

strongly recommended to remove the lowpass options, its redundant and probably for experimenting audio quality only.
*
so ur recomend for real vbr is: ?

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