# FMOD Engine

**URL:** https://qa.fmod.com/c/fmodapi/6.md?no_subcategories=false&page=1

[Latest](https://qa.fmod.com/latest.md) · [Categories](https://qa.fmod.com/categories.md) · [Tags](https://qa.fmod.com/tags.md)

**Page:** 2

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## [Understanding the "Loading delay exceeded" warning](https://qa.fmod.com/t/understanding-the-loading-delay-exceeded-warning/24246)

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**Author:** [@dustin.henke](https://qa.fmod.com/u/dustin.henke)\
**Replies:** 0\
**Last updated:** [May 7, 2026, 2:07pm UTC](https://qa.fmod.com/t/understanding-the-loading-delay-exceeded-warning/24246 "2026-05-07T14:07:44Z")

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Hi! I’m aware this is an issue that reappeared in this forum a bunch of times, but I believe I’ve tried everything to avoid it. \[FMOD\] SoundSourceInstrumentInstance::startChannelIfReady : Loading delay exceeded. Instru…

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## [Request for FMOD Engine 2.02.34 PS5 SDK 12.0 Unity Plugin](https://qa.fmod.com/t/request-for-fmod-engine-2-02-34-ps5-sdk-12-0-unity-plugin/24240)

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**Author:** [@nbg\_vilnius](https://qa.fmod.com/u/nbg_vilnius)\
**Replies:** 1\
**Last updated:** [May 7, 2026, 9:09am UTC](https://qa.fmod.com/t/request-for-fmod-engine-2-02-34-ps5-sdk-12-0-unity-plugin/24240 "2026-05-07T09:09:18Z")

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Hello, we’re continuing to update. Please, can you provide FMOD Engine 2.02.34 for PS5 SDK 12.0 for Unity Plugin?

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## [FMOD 2.03.07 pdb files](https://qa.fmod.com/t/fmod-2-03-07-pdb-files/24225)

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**Author:** [@Arfus](https://qa.fmod.com/u/Arfus)\
**Replies:** 1\
**Last updated:** [April 30, 2026, 4:06am UTC](https://qa.fmod.com/t/fmod-2-03-07-pdb-files/24225 "2026-04-30T04:06:48Z")

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Hi there, Would it be possible to receive the windows fmod.pdb and fmodstudio.pdb files for FMOD 2.03.07? Kind regards, Feiko

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## [iOS mixerResume freeze](https://qa.fmod.com/t/ios-mixerresume-freeze/24203)

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**Author:** [@maksimomelyanchuk](https://qa.fmod.com/u/maksimomelyanchuk)\
**Replies:** 3\
**Last updated:** [April 30, 2026, 12:43am UTC](https://qa.fmod.com/t/ios-mixerresume-freeze/24203 "2026-04-30T00:43:43Z")

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Hello, we have encountered an interesting issue on iOS with the 2.02.31 C++ API. When we rapidly collapse the app, then resume it, and repeat this several times (sometimes many), FMOD::System::mixerResume occasionally t…

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## [Encrypted bank issue](https://qa.fmod.com/t/encrypted-bank-issue/24209)

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**Author:** [@jvd](https://qa.fmod.com/u/jvd)\
**Replies:** 2\
**Last updated:** [April 27, 2026, 5:33am UTC](https://qa.fmod.com/t/encrypted-bank-issue/24209 "2026-04-27T05:33:56Z")

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Our game supports user generated fmod banks that get loaded after the master bank. Our master bank is encrypted. If the user banks are not encrypted with the same key, the user banks cause a loading error: \[FMOD\] Resour…

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## [Using "inverted" from the scripting API](https://qa.fmod.com/t/using-inverted-from-the-scripting-api/24150)

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**Author:** [@jaimesh](https://qa.fmod.com/u/jaimesh)\
**Replies:** 4\
**Last updated:** [April 20, 2026, 6:27am UTC](https://qa.fmod.com/t/using-inverted-from-the-scripting-api/24150 "2026-04-20T06:27:32Z")

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Hello everyone, I’m trying to implement a Java script that creates a nested event that must be played only when a labelled parameter P “is NOT equal” to a specific value V. The code is like this: var second = secondTra…

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## [Only Stereo, no 7.1 with PulseAudio and UMC1820](https://qa.fmod.com/t/only-stereo-no-7-1-with-pulseaudio-and-umc1820/23836)

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**Author:** [@granjow](https://qa.fmod.com/u/granjow)\
**Replies:** 26\
**Last updated:** [April 20, 2026, 4:41am UTC](https://qa.fmod.com/t/only-stereo-no-7-1-with-pulseaudio-and-umc1820/23836 "2026-04-20T04:41:26Z")

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Hi Forum, I am struggling with my current 7.1 setup, and I can only get Stereo output. This is my setup at the moment: FMOD API 2.03.11 running on a Raspberry Pi 4 Behringer UMC1820, a multi-channel sound interface wh…

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## [Request for FMOD Engine 2.03.13 PS5 SDK 13.0](https://qa.fmod.com/t/request-for-fmod-engine-2-03-13-ps5-sdk-13-0/24184)

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**Author:** [@jiri.rehanek](https://qa.fmod.com/u/jiri.rehanek)\
**Replies:** 2\
**Last updated:** [April 16, 2026, 7:40am UTC](https://qa.fmod.com/t/request-for-fmod-engine-2-03-13-ps5-sdk-13-0/24184 "2026-04-16T07:40:35Z")

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Hello, we’re continuing to update to the latest version. Please, can you provide FMOD Engine 2.03.13 for PS5 SDK 13.0? Jiří Řehánek

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## [Audio working in Editor play mode, but not in build](https://qa.fmod.com/t/audio-working-in-editor-play-mode-but-not-in-build/23517)

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**Author:** [@Ontiablo](https://qa.fmod.com/u/Ontiablo)\
**Replies:** 3\
**Last updated:** [April 15, 2026, 11:25am UTC](https://qa.fmod.com/t/audio-working-in-editor-play-mode-but-not-in-build/23517 "2026-04-15T11:25:34Z")

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Good day. I hope you’re all doing well. I’m a first time FMOD user. I’m having an issue where when I’m testing my audio in my game in the editor’s play mode, I’m hearing all of my audio just fine. But when I build the…

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## [Crash when calling removeDSP](https://qa.fmod.com/t/crash-when-calling-removedsp/24185)

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**Author:** [@dquartz](https://qa.fmod.com/u/dquartz)\
**Replies:** 2\
**Last updated:** [April 15, 2026, 1:50am UTC](https://qa.fmod.com/t/crash-when-calling-removedsp/24185 "2026-04-15T01:50:50Z")

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Hi, I’m working on a crash bug that happens sometimes when traveling between levels. It’s during cleanup code for a basic channel listener we use to display a waveform. Cleanup looks like this: if (bIsRegistered) { …

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## [Windows FMOD Engine 2.03.13 PDB files](https://qa.fmod.com/t/windows-fmod-engine-2-03-13-pdb-files/24173)

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**Author:** [@jiri.rehanek](https://qa.fmod.com/u/jiri.rehanek)\
**Replies:** 2\
**Last updated:** [April 13, 2026, 7:44am UTC](https://qa.fmod.com/t/windows-fmod-engine-2-03-13-pdb-files/24173 "2026-04-13T07:44:48Z")

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Hi, we would like to update FMOD to the latest version. Please, can you send me fmod.pdb and fmodstudio.pdb for Windows FMOD Engine 2.03.13?

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## [Internet streaming workaround with an OPENUSER sound?](https://qa.fmod.com/t/internet-streaming-workaround-with-an-openuser-sound/22961)

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**Author:** [@rhys-L](https://qa.fmod.com/u/rhys-L)\
**Replies:** 4\
**Last updated:** [April 8, 2026, 2:30pm UTC](https://qa.fmod.com/t/internet-streaming-workaround-with-an-openuser-sound/22961 "2026-04-08T14:30:44Z")

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Hi, I’m just wondering if there’s some workaround for streaming audio over the internet on FMOD’s HTML5 implementation by managing the stream in JavaScript, and passing the raw PCM data directly to an FMOD sound? My ide…

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## [Android / AAudio stream repeatedly closes and reopens during System::update(), causing frame spikes on Samsung Device](https://qa.fmod.com/t/android-aaudio-stream-repeatedly-closes-and-reopens-during-system-update-causing-frame-spikes-on-samsung-device/24089)

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**Author:** [@weijie.ng](https://qa.fmod.com/u/weijie.ng)\
**Replies:** 8\
**Last updated:** [March 27, 2026, 5:50pm UTC](https://qa.fmod.com/t/android-aaudio-stream-repeatedly-closes-and-reopens-during-system-update-causing-frame-spikes-on-samsung-device/24089 "2026-03-27T17:50:00Z")

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Hi, I’m currently using the arm64 build of FMOD on Android and I’ve tested on multiple devices, where it seems to work fine. However, on the Samsung Galaxy Z Fold 6, I’m seeing an issue where the audio stream appears to …

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## [Trying to build FMOD HTML5 as gdextension](https://qa.fmod.com/t/trying-to-build-fmod-html5-as-gdextension/23774)

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**Author:** [@bitbrain](https://qa.fmod.com/u/bitbrain)\
**Replies:** 2\
**Last updated:** [March 25, 2026, 10:50pm UTC](https://qa.fmod.com/t/trying-to-build-fmod-html5-as-gdextension/23774 "2026-03-25T22:50:09Z")

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Hello, Naturally, gdextension .wasms are side modules, while Godot itself runs as a wasm main module. My understanding is that currently, the FMOD HTML5 assumes it is always run from a main module. This means, trying to…

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## [Timeline clips not playing the first time they are transitioned to in FMOD 2.03](https://qa.fmod.com/t/timeline-clips-not-playing-the-first-time-they-are-transitioned-to-in-fmod-2-03/24131)

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**Author:** [@RoyTheunissen](https://qa.fmod.com/u/RoyTheunissen)\
**Replies:** 2\
**Last updated:** [March 24, 2026, 8:23am UTC](https://qa.fmod.com/t/timeline-clips-not-playing-the-first-time-they-are-transitioned-to-in-fmod-2-03/24131 "2026-03-24T08:23:47Z")

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I’ve encountered a very strange bug: I have one big timeline event for dynamic level music in my game. One event per level, and we transition to different parts of that timeline as you progress through the level. Twice,…

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## [How to get event for with the guid of a nested event?](https://qa.fmod.com/t/how-to-get-event-for-with-the-guid-of-a-nested-event/19256)

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**Author:** [@Hacky](https://qa.fmod.com/u/Hacky)\
**Replies:** 4\
**Last updated:** [March 23, 2026, 12:21am UTC](https://qa.fmod.com/t/how-to-get-event-for-with-the-guid-of-a-nested-event/19256 "2026-03-23T00:21:27Z")

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Hi! We’re struggling with the FMOD\_STUDIO\_TIMELINE\_NESTED\_BEAT\_PROPERTIES. There is a guid included, but how do we know which event this guid is related to? Because it is a different guid than the one of the event descr…

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## [Support Android 16 KB page sizes](https://qa.fmod.com/t/support-android-16-kb-page-sizes/21913)

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**Author:** [@MaskHao](https://qa.fmod.com/u/MaskHao)\
**Replies:** 33\
**Last updated:** [March 20, 2026, 3:24am UTC](https://qa.fmod.com/t/support-android-16-kb-page-sizes/21913 "2026-03-20T03:24:12Z")

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Support 16 KB page sizes Beginning with Android 15, Android supports devices that are configured to use a page size of 16 KB (16 KB devices). If your app uses any NDK libraries, either directly or indirectly through an S…

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## ["fmodstudio.dll was not found" crash on visual studio release x64](https://qa.fmod.com/t/fmodstudio-dll-was-not-found-crash-on-visual-studio-release-x64/24083)

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**Author:** [@CiaranTDev](https://qa.fmod.com/u/CiaranTDev)\
**Replies:** 3\
**Last updated:** [March 5, 2026, 11:47am UTC](https://qa.fmod.com/t/fmodstudio-dll-was-not-found-crash-on-visual-studio-release-x64/24083 "2026-03-05T11:47:49Z")

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Currently I am getting a crash “fmodstudio.dll was not found” when I try to run my fmod project on release. It runs perfectly fine on debug, and I am almost certain I have linked my additional dependencies correctly (se…

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## [Can i duplicating event in script?](https://qa.fmod.com/t/can-i-duplicating-event-in-script/19941)

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**Author:** [@MaggieW](https://qa.fmod.com/u/MaggieW)\
**Replies:** 3\
**Last updated:** [March 5, 2026, 2:24am UTC](https://qa.fmod.com/t/can-i-duplicating-event-in-script/19941 "2026-03-05T02:24:37Z")

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i want duplicate event in script, like context menu “duplicate” , then only replace audio asset in event

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## [Title: FMOD Studio event not playing even with correct path](https://qa.fmod.com/t/title-fmod-studio-event-not-playing-even-with-correct-path/24075)

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**Author:** [@mueoc](https://qa.fmod.com/u/mueoc)\
**Replies:** 1\
**Last updated:** [March 3, 2026, 1:54am UTC](https://qa.fmod.com/t/title-fmod-studio-event-not-playing-even-with-correct-path/24075 "2026-03-03T01:54:33Z")

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hi Hi, I’m having trouble with a FMOD Studio event it’s not playing, and I don’t understand why. I’m using a LoadAudioFiles function to get the path to my bank files, and it returns the correct path. I have successfull…

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## [Callbacks from C# without crackling/popping](https://qa.fmod.com/t/callbacks-from-c-without-crackling-popping/23516)

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**Author:** [@katelyngadd](https://qa.fmod.com/u/katelyngadd)\
**Replies:** 8\
**Last updated:** [February 22, 2026, 5:41am UTC](https://qa.fmod.com/t/callbacks-from-c-without-crackling-popping/23516 "2026-02-22T05:41:28Z")

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I’m using FMOD and FMOD Studio from C# without particular issues, but I ended up needing to add a custom DSP callback. If the callback is written in C#, as expected, I get occasional pops/crackling (from GC stop-the-wor…

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## [Is it possible to get region length?](https://qa.fmod.com/t/is-it-possible-to-get-region-length/15243)

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**Author:** [@Farror](https://qa.fmod.com/u/Farror)\
**Replies:** 3\
**Last updated:** [February 18, 2026, 3:37am UTC](https://qa.fmod.com/t/is-it-possible-to-get-region-length/15243 "2026-02-18T03:37:28Z")

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I just started to use fmod and wanted to use marker & callbacks to trigger in game events which i managed to do. However i can’t figure out how to get the length or end time of a region. Is it possible ?

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## [Does assigning an event to two different banks will load the event and it's sample twice?](https://qa.fmod.com/t/does-assigning-an-event-to-two-different-banks-will-load-the-event-and-its-sample-twice/23998)

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**Author:** [@VincentWelax](https://qa.fmod.com/u/VincentWelax)\
**Replies:** 4\
**Last updated:** [February 17, 2026, 5:44am UTC](https://qa.fmod.com/t/does-assigning-an-event-to-two-different-banks-will-load-the-event-and-its-sample-twice/23998 "2026-02-17T05:44:46Z")

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I’m wondering if assigning an event in two different banks and having both banks load will cause the same event to be loaded twice, hence an increase in memory usage? Thank you.

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## [FMOD + GodotSteam Voice Chat Integration](https://qa.fmod.com/t/fmod-godotsteam-voice-chat-integration/23900)

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**Author:** [@rdlp](https://qa.fmod.com/u/rdlp)\
**Replies:** 3\
**Last updated:** [February 9, 2026, 5:33am UTC](https://qa.fmod.com/t/fmod-godotsteam-voice-chat-integration/23900 "2026-02-09T05:33:08Z")

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Hi all, I am working on a P2P game that utilizes GodotSteam for networking and voice chat (Voice - GodotSteam). Currently, it is setup to work with Godot’s audiostream nodes but I am trying to integrate it with the FMOD …

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## [File pathing issues when loading banks & issues using common.h](https://qa.fmod.com/t/file-pathing-issues-when-loading-banks-issues-using-common-h/23952)

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**Author:** [@CiaranTDev](https://qa.fmod.com/u/CiaranTDev)\
**Replies:** 4\
**Last updated:** [February 9, 2026, 5:21am UTC](https://qa.fmod.com/t/file-pathing-issues-when-loading-banks-issues-using-common-h/23952 "2026-02-09T05:21:24Z")

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FMOD noob here, trying to use FMOD studio api VS 2022 C++ for the first time for a mini project, but I’m having trouble using loadBankFilefor my masterbank as I’m unsure what the correct filepath to my bank folders are. …

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## [Lastest fmodex and how to do transition to new libraries](https://qa.fmod.com/t/lastest-fmodex-and-how-to-do-transition-to-new-libraries/17125)

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**Author:** [@olafg](https://qa.fmod.com/u/olafg)\
**Replies:** 26\
**Last updated:** [February 4, 2026, 1:12am UTC](https://qa.fmod.com/t/lastest-fmodex-and-how-to-do-transition-to-new-libraries/17125 "2026-02-04T01:12:47Z")

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Hi, we are using fmodex in an old software and now encounter some problems on a few Windows 10 PC’s. On a few Pc’s muting a sound on one stereo channel does not work, the sound can suddenly be heard on the other channel…

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## [Looping sound you can toggle](https://qa.fmod.com/t/looping-sound-you-can-toggle/23933)

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**Author:** [@valochfull](https://qa.fmod.com/u/valochfull)\
**Replies:** 1\
**Last updated:** [February 2, 2026, 5:36am UTC](https://qa.fmod.com/t/looping-sound-you-can-toggle/23933 "2026-02-02T05:36:48Z")

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Hi! Looking for expert advice on how to do this with FMOD Core API: Looping sound you can toggle on and off at will, cleanly (no pops or clicks) in a game. Typical use cases: engine exhaust sound effect of a player contr…

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## [Access to audio file's full PCM buffer in DSP plugin](https://qa.fmod.com/t/access-to-audio-files-full-pcm-buffer-in-dsp-plugin/23924)

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**Author:** [@jeremyabel](https://qa.fmod.com/u/jeremyabel)\
**Replies:** 2\
**Last updated:** [January 26, 2026, 6:20pm UTC](https://qa.fmod.com/t/access-to-audio-files-full-pcm-buffer-in-dsp-plugin/23924 "2026-01-26T18:20:14Z")

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I’m looking into the feasibility of developing a plugin that will allow DJ-style scratching / scrubbing playback of a single audio file. The normal way I know of to do this is via sample interpolation and manual playhead…

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## [Fmod.pdb needed for FMOD 2.03.09](https://qa.fmod.com/t/fmod-pdb-needed-for-fmod-2-03-09/23907)

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**Author:** [@AliceInch](https://qa.fmod.com/u/AliceInch)\
**Replies:** 3\
**Last updated:** [January 20, 2026, 5:24am UTC](https://qa.fmod.com/t/fmod-pdb-needed-for-fmod-2-03-09/23907 "2026-01-20T05:24:39Z")

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FMOD Engine Core Api 2.02.09 OS: Windows 11 failing to reproduce report from user at address 0x00007FF9CE60A524, not possible for us to debug the issue currently

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## [Mad Max (PC) – Interaction sound effects not playing on stereo / headphones](https://qa.fmod.com/t/mad-max-pc-interaction-sound-effects-not-playing-on-stereo-headphones/23897)

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**Author:** [@CanButGod](https://qa.fmod.com/u/CanButGod)\
**Replies:** 1\
**Last updated:** [January 15, 2026, 4:40am UTC](https://qa.fmod.com/t/mad-max-pc-interaction-sound-effects-not-playing-on-stereo-headphones/23897 "2026-01-15T04:40:06Z")

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Hello, Mad Max (PC, 2015) has a reproducible audio issue related to FMOD. When the output device is detected as “Headphones / Stereo (2.0)”, interaction sound effects do not play at all (footsteps, breaking insignia,…

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