# FMOD Engine **URL:** https://qa.fmod.com/c/fmodapi/6.md?no_subcategories=false&page=8 [Latest](https://qa.fmod.com/latest.md) · [Categories](https://qa.fmod.com/categories.md) · [Tags](https://qa.fmod.com/tags.md) **Page:** 9 --- ## [Not Found VCA](https://qa.fmod.com/t/not-found-vca/22222)
**Author:** [@berserk77](https://qa.fmod.com/u/berserk77)\ **Replies:** 2\ **Last updated:** [October 31, 2024, 1:42am UTC](https://qa.fmod.com/t/not-found-vca/22222 "2024-10-31T01:42:25Z")
Hello. VCA is added to the project and is checked in GUIDs.txt. However, when I run getVCA(), it says it can’t be found. Bank loading option is not streaming. Are there any other configuration options? Bank loading is… --- ## [FMOD::Studio::EventInstance setvolume issue](https://qa.fmod.com/t/fmod-eventinstance-setvolume-issue/22213)
**Author:** [@berserk77](https://qa.fmod.com/u/berserk77)\ **Replies:** 1\ **Last updated:** [October 31, 2024, 12:13am UTC](https://qa.fmod.com/t/fmod-eventinstance-setvolume-issue/22213 "2024-10-31T00:13:12Z")
FMOD::Studio::EventInstance setvolume issue After start, even if I set it to setvolume(0) immediately, I hear a “tick” sound. This is not a normal sound. Not all of them are like that, but it occurs in those where the… --- ## [Game sfx stop and prevents game from closing properly](https://qa.fmod.com/t/game-sfx-stop-and-prevents-game-from-closing-properly/22205)
**Author:** [@jmcmorris](https://qa.fmod.com/u/jmcmorris)\ **Replies:** 1\ **Last updated:** [October 30, 2024, 11:29pm UTC](https://qa.fmod.com/t/game-sfx-stop-and-prevents-game-from-closing-properly/22205 "2024-10-30T23:29:22Z")
Hello, some players are running into an audio issue with my game and I was hoping I could get some help here. I’m using a custom c++ engine with FMOD 2.02.11 (I just now upgraded to 2.02.24). The issue is that after a l… --- ## [Multiple operations on same instance in same game frame](https://qa.fmod.com/t/multiple-operations-on-same-instance-in-same-game-frame/22224)
**Author:** [@mca2](https://qa.fmod.com/u/mca2)\ **Replies:** 1\ **Last updated:** [October 30, 2024, 5:42am UTC](https://qa.fmod.com/t/multiple-operations-on-same-instance-in-same-game-frame/22224 "2024-10-30T05:42:40Z")
How does FMOD handle multiple calls to the same instance in the same frame? So eg assume this pseudo code is part of the game loop FMOD::Studio::System system; FMOD::Studio::EventInstance instance; instance.start(); // … --- ## [FMOD Runtime Version 4.44.x](https://qa.fmod.com/t/fmod-runtime-version-4-44-x/22230)
**Author:** [@arcnor](https://qa.fmod.com/u/arcnor)\ **Replies:** 2\ **Last updated:** [October 29, 2024, 8:03am UTC](https://qa.fmod.com/t/fmod-runtime-version-4-44-x/22230 "2024-10-29T08:03:55Z")
Hi, I’d like to get access to FMOD Runtime versions 4.44.x (I think it’s 4.44.14 but not sure) to recompile an old game, is this possible? Thanks in advance! --- ## [FMOD has no sound on the HarmonyOS system](https://qa.fmod.com/t/fmod-has-no-sound-on-the-harmonyos-system/22125)
**Author:** [@chensheng990518](https://qa.fmod.com/u/chensheng990518)\ **Replies:** 5\ **Last updated:** [October 28, 2024, 4:54am UTC](https://qa.fmod.com/t/fmod-has-no-sound-on-the-harmonyos-system/22125 "2024-10-28T04:54:06Z")
Before my engine on Android can be used very well fmod,Recently I am ready to access the mobile phone HarmonyOS system,According to the official documents to make a special call to the HarmonyOS platform,Create fmod soun… --- ## [Time stretching Sound quality](https://qa.fmod.com/t/time-stretching-sound-quality/22206)
**Author:** [@iplpro](https://qa.fmod.com/u/iplpro)\ **Replies:** 2\ **Last updated:** [October 28, 2024, 2:35am UTC](https://qa.fmod.com/t/time-stretching-sound-quality/22206 "2024-10-28T02:35:21Z")
Hi, I’m trying to increase the tempo of the sound without affecting its pitch. For now, I managed by altering the frequency with setFrequency() and adding FMOD\_DSP\_TYPE\_PITCHSHIFT on top of that channel. But this appr… --- ## [Assertion: 'inchannels \<= mMixMatrixCurrent.numin()'](https://qa.fmod.com/t/assertion-inchannels-mmixmatrixcurrent-numin/14511)
**Author:** [@jossdisguise](https://qa.fmod.com/u/jossdisguise)\ **Replies:** 9\ **Last updated:** [October 25, 2024, 4:59am UTC](https://qa.fmod.com/t/assertion-inchannels-mmixmatrixcurrent-numin/14511 "2024-10-25T04:59:24Z")
I receive this error in the debug callback assertion: 'inchannels \<= mMixMatrixCurrent.numin()' failed File and line info Trace : \< assert c:\\jk\\workspace\\Build\_\_1.10\_\_API\_Win\\lowlevel\_api\\src\\fmod\_dsp\_connectioni.cpp… --- ## [Optimisation query - Not all available voices being used](https://qa.fmod.com/t/optimisation-query-not-all-available-voices-being-used/20679)
**Author:** [@ThomasHoey](https://qa.fmod.com/u/ThomasHoey)\ **Replies:** 13\ **Last updated:** [October 23, 2024, 9:37pm UTC](https://qa.fmod.com/t/optimisation-query-not-all-available-voices-being-used/20679 "2024-10-23T21:37:45Z")
Hello! I’ve been optimising over the last week or two as we had a build of the game due. We were running into issues with the music cutting out during a bike race. Figured it was the extra instances active during a race… --- ## [Android Cracking Audio Noise Issue](https://qa.fmod.com/t/android-cracking-audio-noise-issue/21791)
**Author:** [@jiyongman](https://qa.fmod.com/u/jiyongman)\ **Replies:** 19\ **Last updated:** [October 23, 2024, 4:52am UTC](https://qa.fmod.com/t/android-cracking-audio-noise-issue/21791 "2024-10-23T04:52:43Z")
Hello the FMOD team, Have you come across any cracking noise issues on Android devices? If so, could you let us know if this is a widespread problem across the Android ecosystem or if it’s specific to certain models, p… --- ## [Sample Code for using FMOD from JS](https://qa.fmod.com/t/sample-code-for-using-fmod-from-js/22193)
**Author:** [@Kenosis](https://qa.fmod.com/u/Kenosis)\ **Replies:** 1\ **Last updated:** [October 22, 2024, 11:10pm UTC](https://qa.fmod.com/t/sample-code-for-using-fmod-from-js/22193 "2024-10-22T23:10:06Z")
Hi! I was just wondering if there is any sample code for using FMOD from JS. The full story is I’m using FMOD from my Rust project and its great… Now I’m trying to port said project to the web and FMOD is the last quest… --- ## [Need fmod.pdb debug symbols for crash](https://qa.fmod.com/t/need-fmod-pdb-debug-symbols-for-crash/22204)
**Author:** [@roushen80](https://qa.fmod.com/u/roushen80)\ **Replies:** 1\ **Last updated:** [October 22, 2024, 3:26am UTC](https://qa.fmod.com/t/need-fmod-pdb-debug-symbols-for-crash/22204 "2024-10-22T03:26:55Z")
name : fmodex.dll version : 0.04.6.22 timestamp: 2007/6/22 13:30 should i update this engine to new version? --- ## [Is it possible to subscribe to sub-beat callbacks?](https://qa.fmod.com/t/is-it-possible-to-subscribe-to-sub-beat-callbacks/19403)
**Author:** [@akita\_engineer](https://qa.fmod.com/u/akita_engineer)\ **Replies:** 16\ **Last updated:** [October 20, 2024, 11:27pm UTC](https://qa.fmod.com/t/is-it-possible-to-subscribe-to-sub-beat-callbacks/19403 "2024-10-20T23:27:36Z")
Hello, We are working on an adaptive audio game project that relies on callbacks from an FMOD event, in particular FMOD\_STUDIO\_EVENT\_CALLBACK\_TIMELINE\_BEAT and FMOD\_STUDIO\_EVENT\_CALLBACK\_TIMELINE\_MARKER. All in all it w… --- ## [Improved API usage](https://qa.fmod.com/t/improved-api-usage/22185)
**Author:** [@Arfus](https://qa.fmod.com/u/Arfus)\ **Replies:** 1\ **Last updated:** [October 17, 2024, 1:45am UTC](https://qa.fmod.com/t/improved-api-usage/22185 "2024-10-17T01:45:57Z")
Hi there, I wanted to propose the addition of the following API calls to reduce the amount of object allocations. And hopefully make it a bit easier to retrieve some data. Retrieving data by index The following API cal… --- ## [FMOD\_Tremor cpu process](https://qa.fmod.com/t/fmod-tremor-cpu-process/16218)
**Author:** [@nmykhailov](https://qa.fmod.com/u/nmykhailov)\ **Replies:** 3\ **Last updated:** [October 13, 2024, 9:38pm UTC](https://qa.fmod.com/t/fmod-tremor-cpu-process/16218 "2024-10-13T21:38:48Z")
Hi! Could you please suggest what FMOD\_tremor\_mdct\_backward process is about? --- ## [Have you ever considered supporting Huawei Hongmeng OS?](https://qa.fmod.com/t/have-you-ever-considered-supporting-huawei-hongmeng-os/22180)
**Author:** [@lxy1114](https://qa.fmod.com/u/lxy1114)\ **Replies:** 1\ **Last updated:** [October 13, 2024, 9:25pm UTC](https://qa.fmod.com/t/have-you-ever-considered-supporting-huawei-hongmeng-os/22180 "2024-10-13T21:25:12Z")
Since Huawei Hongmeng 5.0 system, support for apk has been turned off. This means that the original android apk can be installed on Huawei mobile phones, but now it is no longer possible. Huawei Mobile also released its … --- ## [Adding DSP Causes WASAPI Starvation](https://qa.fmod.com/t/adding-dsp-causes-wasapi-starvation/16393)
**Author:** [@kleptine](https://qa.fmod.com/u/kleptine)\ **Replies:** 22\ **Last updated:** [October 11, 2024, 4:21am UTC](https://qa.fmod.com/t/adding-dsp-causes-wasapi-starvation/16393 "2024-10-11T04:21:18Z")
I’m writing a system to forward all of the audio coming out of FMOD to FFMPEG, for video recording. Right now I have achieved this with a custom DSP attached to the tail of the master channel group. Functionally, everyth… --- ## [Looking for possible difficulty of implementing background thread worker in NW.js](https://qa.fmod.com/t/looking-for-possible-difficulty-of-implementing-background-thread-worker-in-nw-js/22131)
**Author:** [@creta5164](https://qa.fmod.com/u/creta5164)\ **Replies:** 1\ **Last updated:** [October 8, 2024, 10:42pm UTC](https://qa.fmod.com/t/looking-for-possible-difficulty-of-implementing-background-thread-worker-in-nw-js/22131 "2024-10-08T22:42:08Z")
Hello, I’ve recently been investigating whether it’s possible to make the web version of FMOD work in a background thread, once in a while when I have a free moment. The reason is that when heavy synchronous work is be… --- ## [Indie Free License approval](https://qa.fmod.com/t/indie-free-license-approval/22160)
**Author:** [@iplpro](https://qa.fmod.com/u/iplpro)\ **Replies:** 3\ **Last updated:** [October 8, 2024, 5:09am UTC](https://qa.fmod.com/t/indie-free-license-approval/22160 "2024-10-08T05:09:02Z")
Hello, I’m a new developer working on a mobile application targeting Android and later iOs platform as well. It’s a simple app where the user selects rhythm loops from a list and plays one or more loops at a time. The F… --- ## [Feature Request: Doppler clamping](https://qa.fmod.com/t/feature-request-doppler-clamping/20490)
**Author:** [@lgarczyn](https://qa.fmod.com/u/lgarczyn)\ **Replies:** 5\ **Last updated:** [October 8, 2024, 2:56am UTC](https://qa.fmod.com/t/feature-request-doppler-clamping/20490 "2024-10-08T02:56:39Z")
I’m making a dogfighting game, and doppler is used extensively. Carefully setting the doppler levels is necessary, since any relative speed close to or above the speed of sound will lead to crackling, absent sounds or p… --- ## [Ogg Vorbis and Resonance Audio SDK licensing requirements](https://qa.fmod.com/t/ogg-vorbis-and-resonance-audio-sdk-licensing-requirements/22141)
**Author:** [@hilkojjfmod2708](https://qa.fmod.com/u/hilkojjfmod2708)\ **Replies:** 1\ **Last updated:** [October 8, 2024, 12:53am UTC](https://qa.fmod.com/t/ogg-vorbis-and-resonance-audio-sdk-licensing-requirements/22141 "2024-10-08T00:53:06Z")
Hello, I’m using FMOD’s runtime engine in my registered project. I redistribute the fmod.dll and fmodstudio.dll files along with my game, and therefore the game includes the credit line “Audio Engine: FMOD Studio by Fir… --- ## [FMOD Studio Live Update in API](https://qa.fmod.com/t/fmod-studio-live-update-in-api/22151)
**Author:** [@FearsomePhobia](https://qa.fmod.com/u/FearsomePhobia)\ **Replies:** 1\ **Last updated:** [October 8, 2024, 12:15am UTC](https://qa.fmod.com/t/fmod-studio-live-update-in-api/22151 "2024-10-08T00:15:38Z")
Hi, Might be a bit a niche question but I was wondering if there is a way in the Studio API to check if Live Update is currently connected or the ability to run code (like a callback) when certain live updates are made?… --- ## [Status on a Git integration?](https://qa.fmod.com/t/status-on-a-git-integration/22165)
**Author:** [@Jashon](https://qa.fmod.com/u/Jashon)\ **Replies:** 1\ **Last updated:** [October 7, 2024, 10:16pm UTC](https://qa.fmod.com/t/status-on-a-git-integration/22165 "2024-10-07T22:16:08Z")
Hey all, I’ve trawled this forums and GitHub trying to find if anyone is working on a Git integration. The docs talk about referencing svn.sc.js to start building one. Is this underway anywhere? I think most of the cur… --- ## [How to leverage the "Max Instances" field on events?](https://qa.fmod.com/t/how-to-leverage-the-max-instances-field-on-events/15707)
**Author:** [@Shadoninja](https://qa.fmod.com/u/Shadoninja)\ **Replies:** 3\ **Last updated:** [October 3, 2024, 7:44am UTC](https://qa.fmod.com/t/how-to-leverage-the-max-instances-field-on-events/15707 "2024-10-03T07:44:32Z")
I was hoping EventInstance would handle this automatically, but I think we have to take care of this on our end? I want to have sounds play on top of each other up to the “Max Instances” count before restarting any of th… --- ## [Licensing + Sales](https://qa.fmod.com/t/licensing-sales/22133)
**Author:** [@dpadam450](https://qa.fmod.com/u/dpadam450)\ **Replies:** 1\ **Last updated:** [September 29, 2024, 1:47am UTC](https://qa.fmod.com/t/licensing-sales/22133 "2024-09-29T01:47:03Z")
I wrote the sales email and never heard back. This was for a commercial release of pinball product. Pinball Designer on Youtube and you can find it. It’s not an indie game but it will likely sell under 1000 copies, but i… --- ## [Mac OS X system update error](https://qa.fmod.com/t/mac-os-x-system-update-error/21793)
**Author:** [@maksimomelyanchuk](https://qa.fmod.com/u/maksimomelyanchuk)\ **Replies:** 9\ **Last updated:** [September 26, 2024, 7:08am UTC](https://qa.fmod.com/t/mac-os-x-system-update-error/21793 "2024-09-26T07:08:33Z")
Hello, we encountered a minor issue during the tests of FMOD on OS X Sonoma. We tested with FMOD SDK versions 2.02.19 and 2.02.22. To reproduce the issue: Connect a Bluetooth headset to the laptop. Start playing any s… --- ## [How to play a Stereo MP3 as if through 2 virtual speakers in a VR environment?](https://qa.fmod.com/t/how-to-play-a-stereo-mp3-as-if-through-2-virtual-speakers-in-a-vr-environment/22127)
**Author:** [@Morgana](https://qa.fmod.com/u/Morgana)\ **Replies:** 1\ **Last updated:** [September 26, 2024, 4:10am UTC](https://qa.fmod.com/t/how-to-play-a-stereo-mp3-as-if-through-2-virtual-speakers-in-a-vr-environment/22127 "2024-09-26T04:10:15Z")
Hi all, I have a small VR game for Meta Quest which has a room environment that contains a couple of speakers (3D models) arranged as you might have your speakers arranged in your room at home. I’ve been trying to play… --- ## [Studio::Bus::getPath() only returns once and corrupts?](https://qa.fmod.com/t/studio-getpath-only-returns-once-and-corrupts/22114)
**Author:** [@mca2](https://qa.fmod.com/u/mca2)\ **Replies:** 5\ **Last updated:** [September 25, 2024, 10:24pm UTC](https://qa.fmod.com/t/studio-getpath-only-returns-once-and-corrupts/22114 "2024-09-25T22:24:40Z")
I’m trying to get the path of all present buses, but I only get the first bus path. When I add the code below to simple\_event.cpp in the example folder, bus\_count gives the correct number of busses, but getPath() only r… --- ## [Latency with FMOD Record/Programmer instrument](https://qa.fmod.com/t/latency-with-fmod-record-programmer-instrument/22109)
**Author:** [@panpangou](https://qa.fmod.com/u/panpangou)\ **Replies:** 3\ **Last updated:** [September 25, 2024, 3:33am UTC](https://qa.fmod.com/t/latency-with-fmod-record-programmer-instrument/22109 "2024-09-25T03:33:52Z")
Hi there, I am making a game where I take the player’s mic input, send it to a programmer instrument for real time processing, then play it. I have had a consistent 0.5 second latency. I took out the programmer instrume… --- ## [System::getDriverInfo() corrupts](https://qa.fmod.com/t/system-getdriverinfo-corrupts/22111)
**Author:** [@mca2](https://qa.fmod.com/u/mca2)\ **Replies:** 3\ **Last updated:** [September 24, 2024, 12:25am UTC](https://qa.fmod.com/t/system-getdriverinfo-corrupts/22111 "2024-09-24T00:25:50Z")
When running the code below in debug config, System::getDriverInfo() corrupts i. In the first loop i is 0 but after calling the function i is some bogus value 673198133. Note that all other output params give correct out… [Previous page](https://qa.fmod.com/c/fmodapi/6.md?no_subcategories=false&page=7) [Next page](https://qa.fmod.com/c/fmodapi/6.md?no_subcategories=false&page=9)