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  1. what's an easy and free way to do this?
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  2. Mod Neophyte Super Moderator redwudz's Avatar
    Join Date: Sep 2002
    Location: AZ, USA
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    AC3 Normalizer is one option.
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  3. AC3 Normalizer works but the bitrate is limited to 384kbps. How do you get full 640kbps?

    By the way, I noticed that the application uses the following Avisynth script:
    Code:
    SetMemoryMax(768) 
    LoadPlugin("bassAudio.dll") 
    LoadPlugin("AudioLimiter.dll") 
    BassAudioSource("audio.ac3").normalize(0.98)
    Also part of its internal script uses this:
    Code:
    for %%a in ("*.avs") do wavi "%%a" - | aften.exe -v 0 -b 384 -readtoeof 1 - "Normalized-%%~na_1.5.ac3"
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  4. Man of Steel freebird73717's Avatar
    Join Date: Dec 2003
    Location: Smallville, USA
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    Do it the manual way as described in soopafresh's thread which is what doctorjellybean based his ac3normalizer gui off of.
    http://forum.videohelp.com/topic317891.html

    Download the zip in soopa's first post, follow his instructions. Open the "Run_AC3gain.bat" file in notepad and change the -b 384 to -b 640
    Save the file then double click it.
    Donadagohvi (Cherokee for "Until we meet again")
    My Video Tools :: Free Security Software :: Ubuntu Antivirus Rescue CD
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  5. Member Soopafresh's Avatar
    Join Date: Jan 2004
    Location: United States
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    Originally Posted by freebird73717
    Do it the manual way as described in soopafresh's thread which is what doctorjellybean based his ac3normalizer gui off of.
    http://forum.videohelp.com/topic317891.html

    Download the zip in soopa's first post, follow his instructions. Open the "Run_AC3gain.bat" file in notepad and change the -b 384 to -b 640
    Save the file then double click it.
    I can't recall if Aften has 640K bitrate, but it might. Give it a try and if 640 doesn't work, try 448. I've never seen a commercial DVD with AC3 audio over 448. DTS is a completely different story, however.
    "Quality is cool, but don't forget... Content is King!"
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  6. Member johns0's Avatar
    Join Date: Jun 2002
    Location: canada
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    Avchd and blu-ray use 640kbps ac3,only 448 max for dvd.Aften will encode to 640k.
    I think,therefore i am a hamster.
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