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  1. Ive been trying to figure out how to use lame mp3 in vegas and Im stuck!!! Tried putting the dll in the directory and the plug-in section, installed the exe of lame and still I cant select mp3 format in my audio format... Theres actually no MP3 audio format in Vegas... thats strange? Theres only the mpeg layer 3 which is a very low quality format that I dont want to use. ....
    I would appreciated if someone could help me with that.. thank you
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  2. I'm a MEGA Super Moderator Baldrick's Avatar
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    Aug 2000
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    Doesn't vegas use acm codecs? Then install the lame mp3 acm, see . But you can download latest lame mp3 codec from instead.
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  3. Thanks, I did that Now I see the codec and can select it.. but now everytime I try to render it gives me an error message that it couldnt open a codec... I did different tests and it seems that its the lame codec that doesnt work cause it works with other codecs... any ideas on that one

    I had the same issue with rendering directly with the h264... then I installed the ffshow codec and only then I could render... any reason for that

    Thanx again for answering... I appreciate it!!!!
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  4. Always Watching guns1inger's Avatar
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    Apr 2004
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    My version of Vegas 7 shipped with it's own MP3 codecs and a dozen or so templates. No need to install anything else. It can also render AVC using the Mainconcept AVC encoder to an .mp4 container out of the box.
    Read my blog here.
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  5. Member
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    Apr 2008
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    I just upgraded from Vegas 6, to 8, and hoped
    that it'd finally play nice with LAME MP3 codec, but it does not,
    which is very frustrating.
    And just so this is clear what people are talking about when they ask about this.
    This is when you Render to standard AVI type. Under Custom - Audio tab there's
    a list of codecs. One of them is MPEG Layer 3, and it's worthless due to low bitrates.
    The other is LAME Mp3, and it offers a full range of bitrates, and none of them
    work. Vegas always complains that it can't open the codec when you actually try
    to render the video. This same codec works fine in other apps that
    can render AVI files.

    What I usually end up doing is Rendering my AVI files with DiVX or XviD
    video codec in Vegas, and 32000-44100Hz raw PCM audio.
    And then open the file up in Virtualdub, copy video stream
    directly (no compression), and turn on Audio compression
    using LAME MP3 at appropriate bitrate. It renders it at about
    500fps, so it's very quick, but still annoying to have to
    always go through that extra step, with one extra large temp file.

    DiVX/XviD + MP3 AVI format is still one of the most popular on the
    net and Vegas still doesn't support it. That's pretty sad.
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  6. Always Watching guns1inger's Avatar
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    Vegas 6 ships with a fully functional MP3 encoder. You get 20 free encodes before you have to register (also free), and from then on it is unlimited. The bitrates are covered all the way up to 320 kbps. I haven't checked if 7 has the same registration requirement, as I never encode to Divx/Xvid out of Vegas.
    Read my blog here.
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  7. I look everywhere on the web to solve the problem of error: "An error occurred When Opening the codec" blade mp3 sony vegas ... but found nothing.

    so ... I try to provide my own solution.

    After some tests, finally it works ....

    This solution is based on a slight modification of the file "LameACM.inf", deleting and adding other needed files.

    Steps to follow:

    1) uninstall all the video codes installed on the machine (using the Control Panel).

    2) deleting from your system32 folder this files (if they exist of course):
    - LameACM.acm
    - Lame_acm.xml
    - L3codeca.acm
    - L3codecp.acm.

    3) reboot

    4) install "lameACM-3.98" that I modified ( :
    - Right click on "LameACM.inf" and "install".
    - Restart if necessary (if the program requires it).
    - Double click on "l3codecp.reg and answere yes...yes.

    5) reboot the machine.

    6) end of installation

    7) tries to use "lame mp3" sony vegas 9.0

    bye the error: "An error occurred When Opening the codec

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  8. @Baldrick

    Rarewaves definitely a good source for latest version. But, Lame 3.98.4 hosted on Video Help it has everything acm, dll, exe and DS.
    It is also one of the best release of Lame which gives an excellent sound quality as compared to all previous releases.
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