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#863215 09/22/25 01:19 PM
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why are my biab tracks for acoustic pianos suddenly slightly garbled and distorted? all of the other instruments are clean as a whistle and as clear as a bell. This has just started happening. I had thought that the Style file was corrupt and started another file. Same issue. Has anyone noticed this? I'm using BIAB 2025. FIles are manifesting the same on both 64 and 32 Bit files. Even if I pull it up in BIAB 2024. Any solutions or ideas would be greatly appreciated!!! :-)

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Hello and welcome to the forums!

What audio driver type are you using? You can find that out by going to Options > Preferences > Audio, in the upper right corner.


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I'm using a Focusrite ASIO, and have for many years. This issue has just recently started and it only is with acoustic piano real tracks.

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You have two immediate options.
1) Hit the Return to factory settings to reset BIAB
2) Switich to MME driver.

In that order.


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Originally Posted by DrDan
You have two immediate options.
1) Hit the Return to factory settings to reset BIAB
2) Switich to MME driver.

In that order.
I would attempt that in the opposite order. If switching to MME does help, then Return To Factory Settings is not necessary.


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Your way may cause more questions. If a quick switch to MME solves his problem (which it likely will) , he will now tell you he has a new problem - regarding why does his ASIO which has always worked "for many years", no longer work? grin


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Originally Posted by DrDan
Your way may cause more questions. If a quick switch to MME solves his problem (which it likely will) , he will now tell you he has a new problem - regarding why does his ASIO which has always worked "for many years", no longer work? grin
Doing an RTFS won't tell us where the problem lies. Switching to MME will tell us whether the problem is the ASIO driver or something else.

In addition, what song style are you using, and what BPM is your song?


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I have a couple of questions:
1=have you tried to reinstall your Drivers?
2=are you using MIDI or RTs
3=have you checked to be sure your settings haven't changed - I have had settings change with BiaB updates.
4=have you checked all of your gains
5=are there any effects on that track
6=check the utility track- lately I keep getting sounds on utility track one and sometimes they are distorted. I have to mute that track. Return to factory settings does not help.

You probably have done the above but sometimes a reminder helps

FWIW - in the past I did not have good results using ASIO with BiaB.


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Hi Guys,

I have returned. I've taken pretty much the last several weeks do everything each one suggested from drivers, to driver types, factory resets to any and everything thrown out. Now I'm back with the same unresolved issue. I was hoping to upload a short .wav file to give you an idea of what I'm hearing and rendering, but do not see a way to doing that. Like before, this ONLY with the acoustic piano Real Track files. I'm running a Focusrite Scarlett, Windows 10, with a Studio One 7 DAW and BIAB 2025 reloaded on a 14 TB USB hard drive that's shared with Spectrasonics Keyscape. Any new ideas?

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Upload a wave file to a cloud service that offers free storage such as Google Drive, Microsoft One Drive, Dropbox or Box.
Make sure the file settings are set so anyone can download the file then post a link to the file here


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Originally Posted by JMarkD
why are my biab tracks for acoustic pianos suddenly slightly garbled and distorted? all of the other instruments are clean as a whistle and as clear as a bell. This has just started happening. I had thought that the Style file was corrupt and started another file. Same issue. Has anyone noticed this? I'm using BIAB 2025. FIles are manifesting the same on both 64 and 32 Bit files. Even if I pull it up in BIAB 2024. Any solutions or ideas would be greatly appreciated!!! :-)

Are you using the piano tracks at their designed playback tempo? I have found that piano tracks, in particular, do no work too well if they are used at tempos for which they were not designed. The design tempo appears at the end of the realtrack's name.

For example: "1700:Piano, Acoustic, Rhythm CountryWaltz Sw 085" is saying that this Realtrack is designed for a tempo of 85 beats per minute and the best result is obtained when it's used in a song at that tempo.


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Usually between 5 and 10 BPM, plus or minus....but still have that same issue when it's on the suggested BPM.

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Like Jim mentioned, see if you can upload a wav or mp3 file that we can listen to. Alternatively, you can email an mp3 file to support@pgmusic.com and we can take a look - I'd advise also attaching the SGU/MGU file with the mp3 so we can check that out too.


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Hi JMarkD! I did get your support email today and sent you a detailed email of things to try - I'll keep an eye out for your return email if those issues don't resolve with the steps we sent you. All the best!


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Hey JMarkD, just wanting to check in and see how things went! Is everything resolved now? If so you can mark this thread as resolved whenever you're ready. If not, feel free to reach out again.


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Hi Ember,

Thanks for checking back in. Still the same issues. I sent Simon with PG Music my files. Still waiting to hear back from him. Also I heasr back this evening from a fellow North Carolinian who now has my files (Jim Fogel). He also is detecting artifacts in my piano file. Fingers crossed some one can get it all figured out.

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As mentioned above I've tested two SGU files and listened to two wave files. RealTrack # 811, Piano, acoustic, Solo Acc Pop Vancouver Ev 100 seems to have an issue where the first note or chord in each bar is pitch shifted.
I believe the second RealTrack issue mentioned is caused by the song tempo being out-of-range for the RealTracks used in the song. The song tempo is 130. The RealTracks are # 1855, Piano, acoustic, Rhythm, countryboogie SW 140 and # 2639, Piano, acoustic, Rhythm CountryBentNoteJohn SW 110.

Links to the wav files are Vancouver Pop EV 100 and 1855 Piano SW 140


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Hi Jim.... I'll have to go back and double check on which bars that track is actually used on...or... want it to be used on. There have been alot of edits on that track in my Studio One Daw. Thanks for investigating this with me/for me. But I do want to reiterate that this is an issue I'm having on multiple songs even if the track BPMs are spot on, or plus or minus 5 to 10 BPM with the RT suggestion. (i'll admit this one is a bit more) What kind of surprised me was that particular RT(the SW 140) was a track that was suggested by BIAB for that particular style. And for whatever reason it's only the acoustic piano tracks that have that hollow, stuttering and garbled sound much like the other file I had sent.

Thank you my friend...I'll get that info to you tomorrow. I'm in retail and it's been a long Saturday....LOL

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JMD,

In Song Settings, there is a setting that forces BIAB to use non-transposed Realtracks if they exist. Try this and see if it helps. You will need to regenerate the tracks after activating it. While you are in Song Settings, also try disabling "Natural Arrangements" for this particular song and see if that helps.

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Most Realtracks are performed in 3 or 4 different keys (some are recorded in all 12 keys), and a Realtrack backing is obtained by using these saved performances to create the backing track. For example... If the Realtrack does not have a chord that is saved in the original key (for example C# major), then BIAB will take the closest saved chord to the key and transpose it to create the required chord. In the case of C# Major, it is possible that either a C or a D chord might be transposed to obtain it if it wasn't present in the original Realtrack recordings.

I've found that the Piano Realtracks are more sensitive than many other Realtracks when it comes to transposition and working outside the recommended tempos. For this reason, I often choose to use a Midi Supertrack (MST) with EZ keys rather than a Piano Realtrack. MSTs are much more versatile that Realtracks. The MSTs are created directly from Realtrack performances. When Realtrack is recorded, the information is directly converted to MIDI and the MST grows from there.

Just some thoughts that might be useful.
--Noel


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Noel reminded me that there are some settings in RealTracks having to do with the quality of the sound. There is a setting about Audio quality, too (and not just adjusting ASIO buffers). Also a setting called something like “This song has problems”. Look around in the Options, Preferences for these. The “problems” one is in the lower right of Noel’s screen shot. I’ll try to find more later.

Test what Noel is saying by choosing a different key for your song.


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