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Old 18th December 2002, 17:53   #1  |  Link
leadman584
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AC3 EQ'd for Ogg

Ok, I give up on mp3, too many problems never got decent sound.

I've been learning Ogg, and wow the sound truly is amazing for the file sizes. I have several DVD's of old concerts, and the sound quality needed some work. I decided to try and eq the audio bring the sound up to a respectable level at higher freqs. So far the only method I have found is to Use Besweet to convert the AC3 to WAV. Use Roxio to EQ the WAV(only format supported for EQ in Roxio). Use CDex to convert the WAV to Ogg. Mux Avi into OGM and the concert is much more enjoyable.

Here's the question. I read somewhere in forums that there is a pluggin for Besweet to EQ audio files. Does anyone know what this is, where I can find it, and how it works?
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Old 18th December 2002, 22:57   #2  |  Link
DSPguru
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1. download superequ v0.3 winamp plugin.
2. run winamp and configure superequ to have the desired frequency response.
3. save this configuration as an .eq file (eg. 'BeSweet.eq')
4. select 'BeSweet.eq' inside OggMachine v0.6.

that's it.

Last edited by DSPguru; 18th December 2002 at 22:59.
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Old 19th December 2002, 00:35   #3  |  Link
leadman584
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Thank you very much, It works great and I got the lowpass filter I've been looking for by dropping the last slider @19Khz to cuttout position.

Your program reasserted a gain almost identical to drops I made in signal settings. Need to play with EQ settings little more, bass needs more defeat, My Sub going nuts here....lol.

Thanks again for the great solution to my problem.
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Old 19th December 2002, 06:28   #4  |  Link
DSPguru
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great .
please post your logfile and attach your .eq file.
might be useful for other users..
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Old 19th December 2002, 22:44   #5  |  Link
leadman584
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I'm not sure I can post a file. I'll give it a shot though.

EDIT:
Well, that didn't work. It said to locate the file with browser (did that) and post, attachment will be in post. Won't let me drop and drag either, I'm lost. Must be all those years (over 30) of heavy drug and alcohol abuse, very few functional brain cells left...lol. The eq file is just a set of numbers in a line anyways showing defeat levels for L and R channels.

Get a little help with the procedure for getting attachments inside post?

Quote:
BeSweet v1.5b9 by DSPguru.
--------------------------
Using azid.dll v1.8 (b825) by Midas (midas@egon.gyaloglo.hu).
Using Shibatch.dll v0.21 by Naoki Shibata & DSPguru (shibatch.sourceforge.net).
Using libVorbis.dll v1.0 ( Dec 7 2002 ) by John33 (www.inf.ufpr.br/~rja00).

Logging start : 12/19/02 , 12:40:12.

BeSweet.exe -core( -input C:\My Documents\Video\TR AC3 T01 3_2ch 448Kbps DELAY 4ms.ac3 -output C:\My Documents\Video\TR AC3 T01 3_2ch 448Kbps DELAY 4ms.ogg -logfilea C:\PROGRAM FILES\GORDIANKNOT\BeSweet.log ) -azid( -g max -L -3db -c normal -s surround2 ) -shibatch( -equ Besweet.eq ) -ogg( -q 0.400 ) -profile( The OggMachine v0.6 )

[00:00:00:000] +------- BeSweet -----
[00:00:00:000] | Input : C:\My Documents\Video\TR AC3 T01 3_2ch 448Kbps DELAY 4ms.ac3
[00:00:00:000] | Output: C:\My Documents\Video\TR AC3 T01 3_2ch 448Kbps DELAY 4ms.ogg
[00:00:00:000] | Floating-Point Process: Yes
[00:00:00:000] +-------- AZID -------
[00:00:00:000] | Input Channels Mode: 3/2, Bitrate: 448kbps
[00:00:00:000] | Output Stereo mode: Dolby Surround 2 compatible
[00:00:00:000] | Total Gain: 16.406dB, Compression: Normal
[00:00:00:000] | LFE levels: To LR -3.0dB, To LFE 0.0dB
[00:00:00:000] | Center mix level: BSI
[00:00:00:000] | Surround mix level: BSI
[00:00:00:000] | Dialog normalization: No
[00:00:00:000] | Rear channels filtering: No
[00:00:00:000] +------ Shibatch -----
[00:00:00:000] | Equ Preset File : Besweet.eq
[00:00:00:000] | Equ Quality Level : 0.8
[00:00:00:000] | Source Sample-Rate: 48.0KHz
[00:00:00:000] +-------- OGG --------
[00:00:00:000] | VBR Quality : 0.400
[00:00:00:000] +---------------------
[01:40:34:048] Conversion Completed !
[01:40:34:048] Actual Avg. Bitrate : 116kbps
[00:19:30:000] <-- Transcoding Duration
Logging ends : 12/19/02 , 12:59:42.

Last edited by DSPguru; 21st December 2002 at 20:44.
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Old 21st December 2002, 20:44   #6  |  Link
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Quote:
Originally posted by leadman584
Get a little help with the procedure for getting attachments inside post?
zip this .eq file and attache the zip.
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Old 22nd December 2002, 06:07   #7  |  Link
leadman584
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OK, here goes another try, again the file is just a string of defeat levels though.
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Old 21st January 2003, 15:49   #8  |  Link
DCK21
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Changes in switches?

Thanks DSPGuru for BeSweet!

Just some small hints for the equ feature:

I was sucessfull with the equalizer function using Shibata´s plug-in
for WinAmp. I had previously to put to work Valex AC3 WinAmp plug-in
as my source was in AC3:

http://winampac3.sourceforge.net/

Once I saved in BeSweet folder the myequalizerfile.equ from
Shibata´s plug-in, I used it in BeSweet 1.5bxx (probably, 11).
I used switch -shibatch( -equ myequalizerfile.equ ) as in information
provided with BeSweet and as per (v4) http://besweet.notrace.dk/cli.html

Nevertheless, I was only sucsessfull using instead:
-ssrc( -equ myequalizerfile.equ )


Thanks to all.
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