Yes no problem. Thank you for reading.

What sort of Mac are you using?
We use Mac's. The 'buzz' or loop bug happens on all of them. There are 10, half are intel, half Apple Silicon.
The main machine right now is an M1 MBP. The issue is apparent on all machines - believe me that took a long time and LOT of patience!

Is the 'buzz' sound coming from the Mac speakers?
The buzz sound will output from whatever sound output i'm currently using.

Are you using a separate audio interface?
We may do, but removing them from the setup or using them doesn't end the hum. its being made from the BIAB app.

Is it only when using BIAB?
Yes.

What exactly is your configuration / setup?
Sonoma on the whole, and the current BIAB, all updated, patched, uninstalled, reinstalled. As per support copy pasta advice.
I will be buying the 2025 audiophile edition later today. Perhaps it'll 'fix' it.

Can you upload an audio recording of the 'buzz' to a file sharing service (e.g. Drop Box)?
Yes, see below for random examples. Note the differing timbres of buzz/hum. I currently think this is due to the 'loop script' failing to run, resulting in what sounds like a buzz, but what is in fact a short bit of audio looping. But it might be something else.

https://www.dropbox.com/scl/fi/27qot3p44xsa5nug52dtg/BIAB-BUZZ-BUG-20250706-1222-Recording.aiff?rlkey=gnpptqdlibioqaw19pr5pkd2q&st=6isa86qr&dl=0

you'll hear in the link styles that have a buzz, randomly selected. I can't find a connection between the ones that buzz.
the buzz goes away when double clicking on a different style (ie a style that doesn't have the buzz issue)
Just so to be clear. I've entered a few chords in BIAB mac app, opened the style picker and, randomly trying different styles (by double clicking styles).

No interface.
I'm running from a mac silicon laptop. at first at various sample rates, I was informed BIAB is all recorded at 44.1Khz, but unfortunately adjusting to 44.1Khz doesn't stop the issue. Neither does adding an interface. I've tried 10.

my suspicion is that whatever script is used to loop the loop, it is failing, and getting 'stuck', looping the first fraction, which is a similar sound to a hum/buzz.

I might have noticed that all of these buzzing Styles contain loops.
but if i search for a loop that 'buzzes' and play it (outside of BIAB) it plays fine.

An example of that is this style...

Memo: This fast electronic style features three MIDI SuperTrack synths using the SynthMaster plugin, a RealTrack synth, electronic drums, and a drum loop. -Examples: Circles, Brown Paper Bag, Alien Girl, Genre "Intensity" Score=90/100
=RUMBLE.STY. Rumble Drum and Bass
Real and MIDI SuperTracks. Sextet. Tempo=175 (140-190)
Instruments: MST-Bass, Synth, MST-Synth, MST-Synth, Loop, Drums
RD: TechnoElectro^AB-a:Kick, b:Hat :PG Artist 3
MIDI ST4670: Bass, Pulsing, SynthmasterCinema Ev16 , n/a
RT1943: Synth, Rhythm, EuroDance Strings Ev 120 , Ed (Great Oz) Clare
MIDI ST4437: Synth, Pad, SynthMasterDreamingTripPulseDelay , n/a
MIDI ST4369: Synth, Plucked SynthMasterTranceAttack OffbeatHits 120 , Ed (Great Oz) Clare
Loop:Drum n Bass\Drum n Bass - dnb170_01 drums ev16.wav

the track "Loop:Drum n Bass\Drum n Bass - dnb170_01 drums ev16.wav" doesn't play, it buzzes, but if i find the loop it plays fine.
so that leads me to believe the 'script' that tells that loop to play/loop is at fault.



below are some styles that buzz...

Memo: A modern dance pop style with a funky muted electric guitar, held electric bass, pop acoustic piano, and two drum loops. -Examples: Live While We're Young, If I Can't Have You, Genre "Intensity" Score=60/100
_TEENAGE.STY. Teenage Funky Dance Pop
All RealTracks. Quintet. Tempo=125 (105-150)
Instruments: El.Bass, Loop, Ac.Piano, El.Guitar, Loop
Loop:House-Techno-Trance\House - city_lights_128_drum_loop _c_minor ev8.wav
RT1253: Bass, Electric, PopShiningHeld Ev 120 , Mark Hill
RT1262: Piano, Acoustic, Rhythm PopShiningHeld Ev 120 , Blair Masters
RT1771: Guitar, Electric, Rhythm JazzFunkMovinMuted Ev16 130 , Michael Thompson
Loop:House-Techno-Trance\House - sparse_120_c drums ev16.wav

Memo: This RealStyle features three synths, electric guitar, electronic drums, and a drum loop playing an energetic EDM/rock groove. -Examples: The Tra La La Song, Gigantor, Genre "Intensity" Score=90/100
_CARTOON.STY. Cartoon Electro Rock Groove
All RealTracks. Sextet. Tempo=180 (140-200)
Instruments: Syn.Bass, Synth, El.Guitar, Synth, Loop, Drums
RD: TechnoElectro^AB-a:Kick, b:Hat :PG Artist 3
RT4111: Bass, Synth RedDoorPurePro 65 , Ed (Great Oz) Clare
RT2747: Synth, Rhythm AltHipHopHorn Ev16 085 , Ed (Great Oz) Clare
RT648: Guitar, Electric, Rhythm PopRockBritHeavy Ev 120 , Darin Favorite
RT2269: Synth, BellPad, Rhythm 80sPopPads Ev 140 , Ed (Great Oz) Clare
Loop:AcousticDrumFullKit\Funk Rock - 60srock125m ev16.wav


Memo: This synth pop style has a muted sound with an even-eighths feel. A staccato strings loop, synth bass, synth chords, synth melody, and a drum loop are used. -Examples: Therefore I Am, Ily, Genre "Intensity" Score=65/100
_SUBMERG.STY. Submerged Muted Alternative Pop
All RealTracks. Quintet. Tempo=100 (90-120)
Instruments: Loop, Loop, Synth, Synth, Synth
Loop:HipHop\Old School - pearls_90_drumloop1_c ev16.wav
Loop:World\Bollywood - party_80_basses_staccato_e_flat_minor.wav
RT901: Synth, Bass, EuroDance ChorusBassOffBeat Ev16 120 , Ed (Great Oz) Clare
RT1644: Synth, Rhythm, EuroDance SubduedHitsOffBeat Ev16 120 , Ed (Great Oz) Clare
RT2582: Synth, Rhythm MutedMelody Ev16 120 , Donyea Goodman


Memo: This fast dance rock style uses a trance drum loop, punk electric bass, a muted pad synth, and two bright electric guitars. -Examples: Caution, Banquet, Genre "Intensity" Score=70/100
_RAGER.STY. Rager Trance Beat Dance Rock
All RealTracks. Quintet. Tempo=160 (130-190)
Instruments: El.Bass, Synth, El.Guitar, El.Guitar, Drums
RD: PopPepSquad^03-a:Quiet hihat, digital snare , b:Cheers, Quiet hihat :Ed (Great Oz) Clare
RT2592: Bass, Electric, RockPickedA-B Ev 165 , Doug Elliott
RT2739: Synth, Rhythm PepSquadPad Ev 165 , Ed (Great Oz) Clare
RT544: Guitar, Electric, Rhythm Dreamy Ev 165 , Darin Favorite
RT1833: Guitar, Electric, Rhythm PopModernGrooveChorusArp Ev16 075 , Darin Favorite

Memo: This slow electronic pop style features alternating synth and electric bass parts. A hard-hitting drum loop and two more synthesizers are also in the mix. -Examples: Bleeding Love, Instant Crush, Genre "Intensity" Score=65/100
_ROBOMAN.STY. Roboman Brooding Ev8 Electronica
All RealTracks. Quartet. Tempo=105 (95-130)
Instruments: Syn.Bass, El.Bass, Synth, Synth
RT2694: Bass, Synth, TropicalHouseOffBeat Ev 120 , Ed (Great Oz) Clare
RT1521: Bass, Electric, PopPower4s Ev 120 , Mark Hill
RT2697: Synth, Rhythm TropicalHouseLeadOffBeat Ev 120 , Ed (Great Oz) Clare
RT1943: Synth, Rhythm, EuroDance Strings Ev 120 , Ed (Great Oz) Clare


THIS ONE PRODUCES BUZZING ONLY, note they are all real tracks.
Memo: This style features guitar, piano, bass, drums, and a drum loop. -Examples: Creep, Summer of 69', What's Up, Genre "Intensity" Score=65/100
_SHIFT.STY. Shift Pop Swells Guitar
All RealTracks. Quintet. Tempo=110 (90-130)
Instruments: El.Bass, Ac.Piano, El.Guitar, Loop, Drums
RD: RockSyncKick^01-a:Closed Hat, Snare , b:Open Hat, Snare :Pat Steward
RT683: Bass, Electric, PopHalfNotesPush Ev 120 , Tobin Frank
RT1264: Piano, Acoustic, Rhythm PopShiningA-B Ev 120 , Blair Masters
RT3754: Guitar, Electric, Rhythm PopAutoswellBrent Ev 110 , Brent Mason
Loop:House-Techno-Trance\House - crunchy_120_b drums ev16.wav


similar questions, seemingly related, though unresolved through hardware suggestions, sample rate queries, or reinstallation (i've done all those, and casually re-installing 100GB of BIAB is no mean feat!).

https://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Number=630739&Searchpage=1&Main=87424&Words=buzz&Search=true#Post630739

https://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Number=792747&Searchpage=2&Main=104170&Words=buzz&Search=true#Post792747