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I have a song I made up using 32 bars of 4 choruses which plays normally. Simple enough.

I also normally use "Audio, Export Song As An Audio File" and have it create a separate file for each track.

Funny thing is that the rendering produces a good MP3 file for the Piano, Drums, Guitar and Strings but I get the following error messages when it is rendering Bass and Melody. Those are rendered as WAV files and are not compressed to MP3 files like the others.

I am using the standard CoyoteWT synth for midi.

Rendering succeeded! [2021.813.0, 12/29/2020 4:30:43 PM]
Audio Conversion Error: MP3 conversion failed. It is possible that you do not have any ACM codecs installed. [2021.813.0, 12/29/2020 4:30:43 PM]
Audio Conversion Error: Media Foundation failed to convert to .mp3. Trying alternate conversion method... The error number is -1072875847 [2021.813.0, 12/29/2020 4:30:43 PM]
Audio Conversion Error: MP3 conversion failed. It is possible that you do not have any ACM codecs installed. [2021.813.0, 12/29/2020 4:30:23 PM]
Audio Conversion Error: Media Foundation failed to convert to .mp3. Trying alternate conversion method... The error number is -1072875847 [2021.813.0, 12/29/2020 4:30:23 PM]

What exactly is the ACM codec that BIAB seems to think I may need?

LAME?

or some other.

Using build 813.

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Just tried 2 different songs and the 1st song results were the same. 4 MP3 files and 2 WAV files with the error message.

The 2nd song only had the Bass, Piano, Drums, Guitar and Strings tracks populated but this song would not render the Piano track to a MP3 file, all I got was a WAV file.


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Just loaded style _NECTAR and it's demo song.

Results:

Strings,Guitar, Piano and Drums rendered fine. Bass did not compress and all I got was a WAV file for that track.

Settings Below:

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Last edited by jcland; 12/29/20 12:24 PM.

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Hi,

I just ran through this and everything worked for me. I'm using build 813, too.

The only difference with my set up was that I had "Normalize mix" selected and I rendered to 128000 bits per second.

I got errors initially but that was because I'd forgotten to rebuild Stylepicker. After running the Slow Rebuild, rendering was fine.

Regards,
Noel


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I tried it using various bit rates and it seemed to work OK at anything under 192000.

192000 and above seems to fail every time on the Bass Track. Bass track is usually a Mono Track also.

You were using 128000 and it worked OK for you. Try a bit rate of 320000 and see what happens.

Now when I dragged the MASTER to MP3 using Drag-Drop method, it works OK.

When using Drag Drop it is interesting that BIAB does not give me a bit depth, sample rate or bit rate choice as I get using "Audio, Export Song As An Audio File".

I will do a full rebuild on the style list and see what happens.


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Just did a return to full factory settings and a long rebuild of the styles.

I did the rendering using 320000 and it failed on the bass track.

I then did it at your setting of 128000 and it works just fine on all tracks.

I then did it at 192000 and it failed on the bass track.

Same results as I have gotten in the past.

I think the developers may need to look into this.


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Quote:
Funny thing is that the rendering produces a good MP3 file for the Piano, Drums, Guitar and Strings but I get the following error messages when it is rendering Bass and Melody. Those are rendered as WAV files and are not compressed to MP3 files like the others. ... ... What exactly is the ACM codec that BIAB seems to think I may need?


The ACM conversion method is a fallback in case Windows Media Foundation conversion doesn't work for some reason. For MP3's, Windows Media Foundation works on Windows 8 and higher. So that's not the issue here. It seems to be specifically having to do with creating higher bitrate (320Kbps) MONO file. Perhaps Media foundation doesn't support that... I'm not sure. One fix is to set the 'Channels' to stereo instead of auto.

(ACM is an older method that was used prior to media foundation and was tricky to get working for mp3's so it's not surprising that's failing as well).


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The seems to do the trick Andrew. I set the channels to Stereo and the bass track renders just fine.

Also remember that I got failures using a bit rate of 192000 and a mono track.

I will mark it Resolved in a few days in case someone else wants to chime in.

Last edited by jcland; 12/29/20 02:47 PM.

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This video demonstrates how to use the new AI-Notes feature together with the AI-Stems splitter, allowing you to select an audio file and have it separated into individual stems while transcribing each one to its own MIDI track. AI-Notes converts polyphonic audio—either full mixes or individual instruments—into MIDI that you can view in notation or play back instantly.

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We've just released XPro Styles PAK 10 for Mac & Windows Band-in-a-Box version 2025 (and higher) with 100 brand new RealStyles, plus 28 RealTracks and RealDrums!

Few things are certain in life: death, taxes, and a brand spankin’ new XPro Styles PAK! In this, the 10th edition of our XPro Styles PAK series, we’ve got 100 styles coming your way! We have the classic 25 styles each from the rock & pop, jazz, and country genres, and rounding out this volume's wildcard slot is 25 styles in the Praise & Worship genre! A wide spanning genre, you can find everything from rock, folk, country, and more underneath its umbrella. The included 28 RealTracks and RealDrums can be used with any Band-in-a-Box® 2026 (and higher) package.

Here’s just a small sampling of what you can look forward to in XPro Styles PAK 10: Soft indie folk worship songs, bumpin’ country boogies, gospel praise breaks, hard rockin’ pop, funky disco grooves, smooth Latin jazz pop, bossa nova fusion, western swing, alternative hip-hop, cool country funk, and much more!

Special offers until December 31st, 2025!

All the XPro Styles PAKs 1 - 10 are on sale for only $29 ea (Reg. $49 ea), or get them all in the XPro Styles PAK Bundle for only $149 (reg. $299)! Order now!

Learn more and listen to demos of XPro Styles PAKs.

Video: XPro Styles PAK 10 Overview & Styles Demos: Watch now!

XPro Styles PAKs require Band-in-a-Box® 2025 or higher and are compatible with ANY package, including the Pro, MegaPAK, UltraPAK, UltraPAK+, and Audiophile Edition.

Introducing Xtra Styles PAK 21 – Now Available for Mac Band-in-a-Box 2025 and Higher!

Xtra Styles PAK 21 for Mac & Windows Band-in-a-Box version 2025 (and higher) is here with 200 brand new RealStyles!

We're excited to bring you our latest Xtra Styles PAK installment—the all new Xtra Styles PAK 21 for Band-in-a-Box version 2025 (and higher)!

Rejoice, one and all, for Xtra Styles PAK 21 for Band-in-a-Box® is here! We’re serving up 200 brand spankin’ new styles to delight your musical taste buds! The first three courses are the classics you’ve come to know and love, including offerings from the rock & pop, jazz, and country genres, but, not to be outdone, this year’s fourth course is bro country! A wide ranging genre, you can find everything from hip-hop, uptempo outlaw country, hard hitting rock, funk, and even electronica, all with that familiar bro country flair. The dinner bell has been rung, pickup up Xtra Styles PAK 21 today!

In this PAK you’ll discover: Energetic folk rock, raucous train beats, fast country boogies, acid jazz grooves, laid-back funky jams, a bevy of breezy jazz waltzes, calm electro funk, indie synth pop, industrial synth metal, and more bro country than could possibly fit in the back of a pickup truck!

Special offers until December 31st, 2025!

All the Xtra Styles PAKs 1 - 21 are on special for only $29 each (reg $49), or get all 21 PAKs for $199 (reg $399)! Order now!

Learn more and listen to demos of the Xtra Styles PAK 21.

Video: Xtra Styles PAK 21 Overview & Styles Demos: Watch now!

Note: The Xtra Styles require the UltraPAK, UltraPAK+, or Audiophile Edition of Band-in-a-Box®. (Xtra Styles PAK 21 requires the 2025 or higher UltraPAK, UltraPAK+, or Audiophile Edition. They will not work with the Pro or MegaPAK version because they need the RealTracks from the UltraPAK, UltraPAK+, or Audiophile Edition.

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