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Hydrogenaudio Forums > Lossy Audio Compression > MP3 > MP3 - General
justin_case
hi,

after some research i found samplitude to be usefull for recording live dj-sets in a club because it solves the 2gb-filesize-limit internally. it does 4-track-recording as well as cd-writing.

the downside is, that besides writing cds of parts of the sets i want to back up the nights (approx 9h) as mp3-files. the mp3-export-function of samplitude uses anything but lame and there is an option to save files using an external encoder but the program expects xing there. sad.gif
since i have installed the lame-acm-codec i can work around somehow and save as .wav using lame. what doesnīt satisfy me though is, that the options are either cbr or abr up to 160 kbps.

does anybody know a trick to get the acm-codec to put out vbr?

also there might be a chance to use the xing-option for lame (didnīt work on the spot), but i surely wouldnīt be able to pass arguments there, so is there a version that does --alt-preset standard as default?

last question is if anybody maybe knows a better program than samplitude that does all the mentioned above. it comes from magix so i canīt really sleep well atm..

regards

/jc
rjamorim
QUOTE
Originally posted by justin_case
does anybody know a trick to get the acm-codec to put out vbr?


You would probably need to do some changes in the sources and recompile them. : /

QUOTE

last question is if anybody maybe knows a better program than samplitude that does all the mentioned above. it comes from magix so i canīt really sleep well atm..


I really doubt you'll be able to find an audio editor better than Samplitude 2496, but that's only me. biggrin.gif

Indeed, the only part, IMO, where Samplitude sucks is on MP3 export. It can use both Xing encoder (poop!) and QDesign encoder (+poop!)
spoon
For live recording direct to mp3 Lame, you could do worse than dBpowerAMP Music Converter and the Auxiliary Input add-on
justin_case
live-recording straight to mp3 wouldnīt help, because i need the files /quickly/ accessible after the night in order to write the interresting parts to cd quickly for the staff members. opening such a huge mp3 in an editor (eg. samplitude) would take hours. so i want to compress the file /after/ all editing and cd-writing for backup purposes.

i was afraid, i would need a new compile of lame. i am not capable of doing that. is here anybody that could help me with that? itīs quite important to me..

regīs..

/jc
spoon
Is splitting the recording an option? You could live record it in 1 hour chunks to different files.
justin_case
splitting is not an option, because when we record 8h every week (will be 40h in three days on loveparade) i wouldnīt find the time to open up and append the segments in an editor, because it takes to much time.
what i want, when the recording is done, is to go to the machine, look at my time-table (wich dj was playing when) and just quickly to the cds - that alone is a lot of work and takes up a lot of time.
after that i just want to encode the whole session overnight and burn the very long mp3 to disk as a backup or for those, that have an mp3-player (eg in their car or portable).

i am doing this work for a bunch of people and i am about the only one that really deals with computers for private fun. having it /all/ in a (mostly) computer-dependent format wouldnīt be of much use for the others.

shouldnīt there be any compile of lame-acm that does a good vbr for standard?

/jc
fewtch
Maybe you could do a custom hack of Samplitude that accepts Lame instead of Xing. If the strings are just stored in an EXE somewhere, and there's no CRC checking or encryption on the file, it might be possible to do something with a hex editor (just a random suggestion, I've never used Samplitude & don't know anything about it).
justin_case
hmm, that doesnīt sound to bad, although i doubt, i will have success.. surely iīll give it a try..
Case
So you can select xing.exe as external compressor? I think easiest solution would be to make a program called xing.exe that calls Lame to compress with --alt-preset standard, or any other setting you want. Only difficulty is knowing how xing wants parameters.
justin_case
that sounds like a brilliant idea!

checking with an hex-editor didnīt bring up anything usable sad.gif

iīll try and figure how xing wants the parameters..
Case
QUOTE
Originally posted by justin_case
iīll try and figure how xing wants the parameters..

I found with google this page and used that information to create very simple lame wrapper. It expects lame.exe to be in path and always calls with parameters --alt-preset standard. Download binary and sources: http://www.saunalahti.fi/~cse/x3enc.zip
Emanuel
QUOTE
Originally posted by justin_case
live-recording straight to mp3 wouldnīt help, because i need the files /quickly/ accessible after the night in order to write the interresting parts to cd quickly for the staff members. opening such a huge mp3 in an editor (eg. samplitude) would take hours.


Using a mp3-splitter like mp3DirectCut (http://www.rz.uni-frankfurt.de/~pesch/) you won't spend hours opening the huge mp3-file. If you live-record to mp3 with LAMEr (http://www.1oo-percent.de/lamer/) you can use vbr and all the alt presets you want.

Good luck!
rjamorim
QUOTE
Originally posted by Case

I found with google this page and used that information to create very simple lame wrapper. It expects lame.exe to be in path and always calls with parameters --alt-preset standard. Download binary and sources: http://www.saunalahti.fi/~cse/x3enc.zip


Eheh. Works here.

Thanks for the proggie, Case. Nice job. smile.gif
justin_case
wow! it works here 2! thanx a lot.

could i ask you for another version that wraps to --r3mix? i donīt wanna be rude, i just checked the filesize of my --alt-preset standard output and it went over 700mb (~192kbit/se for that material), so it didnīt fit on a single cd. --r3mix gave me an average of about 160kbit/sec so i could record up to 10h savely.

regards..
Case
QUOTE
Originally posted by justin_case
could i ask you for another version that wraps to --r3mix? i donīt wanna be rude, i just checked the filesize of my --alt-preset standard output and it went over 700mb (~192kbit/se for that material), so it didnīt fit on a single cd. --r3mix gave me an average of about 160kbit/sec so i could record up to 10h savely.


Okay, download it again. I added function to read command from x3enc.cfg, it defaults now to --alt-preset fast standard -Y, should be better than --r3mix.
justin_case
thanx, very nice of you. now i have a proper solution for all the needs there.

*happy now*

regards
justin_case
btw:

does anybody have good recommodations for a 128kbps vbr-preset i could use for movies? i never bothered to get into all the lame switches, because for music i always use --alt-preset standard..

...and i know that vbrmp3-movies run out of synch, but strangely they always run into synch after 5 seconds again, so i donīt mind them doing that.. wink.gif
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