# Audio **URL:** https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=68 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 69 --- ## [Set Sound Source Bus via Blueprint Script](https://forums.unrealengine.com/t/set-sound-source-bus-via-blueprint-script/474715)
**Author:** [@Bas3008](https://forums.unrealengine.com/u/Bas3008)\ **Replies:** 0\ **Last updated:** [November 19, 2020, 9:14am UTC](https://forums.unrealengine.com/t/set-sound-source-bus-via-blueprint-script/474715 "2020-11-19T09:14:51Z")
I want to set the Sound Source Bus for a Sound Wave (Asset) or another Sound Source Bus via Blueprint. But the Array of BusSends does only accept SoundSourceBusSendInfoStructures, where I only can set the Source Bus via … --- ## [Changing Sound effect settings at runtime saves them permanently](https://forums.unrealengine.com/t/changing-sound-effect-settings-at-runtime-saves-them-permanently/474616)
**Author:** [@Bas3008](https://forums.unrealengine.com/u/Bas3008)\ **Replies:** 2\ **Last updated:** [November 19, 2020, 8:58am UTC](https://forums.unrealengine.com/t/changing-sound-effect-settings-at-runtime-saves-them-permanently/474616 "2020-11-19T08:58:18Z")
When I change the sound effect settings of a sound wave in a Blueprint, it always gets saved permanently in the sound wave file. Is that on purpose or is it a bug? --- ## [Detect when an Audio Cue Loops](https://forums.unrealengine.com/t/detect-when-an-audio-cue-loops/474667)
**Author:** [@AliceHalley](https://forums.unrealengine.com/u/AliceHalley)\ **Replies:** 5\ **Last updated:** [November 18, 2020, 5:37pm UTC](https://forums.unrealengine.com/t/detect-when-an-audio-cue-loops/474667 "2020-11-18T17:37:55Z")
Okay, So i did some exploring and came up with this method. It’s pretty hacky. but it does work. If anyone has a better idea. Do let me know! But for now I will use this. --- ## [AudioMixerSourceManager Crash and Log Spam](https://forums.unrealengine.com/t/audiomixersourcemanager-crash-and-log-spam/151429)
**Author:** [@anonymous\_user\_2fedf584](https://forums.unrealengine.com/u/anonymous_user_2fedf584)\ **Replies:** 2\ **Last updated:** [November 18, 2020, 10:30am UTC](https://forums.unrealengine.com/t/audiomixersourcemanager-crash-and-log-spam/151429 "2020-11-18T10:30:08Z")
@dan.reynolds I am sitting at version 25.3 and am experiencing following crash related to audio mixer. The crash occurs on cooked and packged build in Development Configuration. After checking log file I see following er… --- ## [No Sound- Windows 10 Epic Game Store Version 1.6.12](https://forums.unrealengine.com/t/no-sound-windows-10-epic-game-store-version-1-6-12/474609)
**Author:** [@EichmannCharity](https://forums.unrealengine.com/u/EichmannCharity)\ **Replies:** 0\ **Last updated:** [November 17, 2020, 9:43am UTC](https://forums.unrealengine.com/t/no-sound-windows-10-epic-game-store-version-1-6-12/474609 "2020-11-17T09:43:52Z")
Hey All, Was psyched to play this game for the first time but can’t get the sound working as klingeltöne.Looks like BASS library issue? Any help is appreciated. Version: 1.6.12 Loading settings Starting up Loading t… --- ## [Audio Volume not working](https://forums.unrealengine.com/t/audio-volume-not-working/24488)
**Author:** [@hippowombat](https://forums.unrealengine.com/u/hippowombat)\ **Replies:** 3\ **Last updated:** [November 17, 2020, 7:16am UTC](https://forums.unrealengine.com/t/audio-volume-not-working/24488 "2020-11-17T07:16:20Z")
I have an ambient sound placed outside an ambient volume, and when setting my exterior settings in my audio volume, I don’t hear any difference in sound when my player enters the audio volume, even when setting the exter… --- ## [Infinite Loop](https://forums.unrealengine.com/t/infinite-loop/474569)
**Author:** [@Sacco908](https://forums.unrealengine.com/u/Sacco908)\ **Replies:** 1\ **Last updated:** [November 16, 2020, 8:45pm UTC](https://forums.unrealengine.com/t/infinite-loop/474569 "2020-11-16T20:45:46Z")
Hi I have such a blueprint and I have a problem with endless loops Can someone help me determine where I have the error or how to set the laser to reflect only, for example, 100 times to avoid this loop? --- ## [How to controll volume of loading movie ?](https://forums.unrealengine.com/t/how-to-controll-volume-of-loading-movie/119513)
**Author:** [@Mariusz.Szaflik](https://forums.unrealengine.com/u/Mariusz.Szaflik)\ **Replies:** 1\ **Last updated:** [November 16, 2020, 5:09pm UTC](https://forums.unrealengine.com/t/how-to-controll-volume-of-loading-movie/119513 "2020-11-16T17:09:41Z")
Hi I’m using movie player to play loading movie: FLoadingScreenAttributes LoadingScreenAttributes; ... GetMoviePlayer()-\>SetupLoadingScreen(LoadingScreenAttributes); but, is there any way to controll how loud the … --- ## [Character sound que with sound attenuation](https://forums.unrealengine.com/t/character-sound-que-with-sound-attenuation/153590)
**Author:** [@anonymous\_user\_1bb4bd13](https://forums.unrealengine.com/u/anonymous_user_1bb4bd13)\ **Replies:** 1\ **Last updated:** [November 14, 2020, 9:16pm UTC](https://forums.unrealengine.com/t/character-sound-que-with-sound-attenuation/153590 "2020-11-14T21:16:58Z")
Hello all! After exhausting resource with searches, i just seem not to be able to find anything regarding this matter. I’m working on a project where there are zombies patrolling a graveyard.what I’m trying to do is hav… --- ## [How to change audio effects at runtime?](https://forums.unrealengine.com/t/how-to-change-audio-effects-at-runtime/474402)
**Author:** [@Nicrose37](https://forums.unrealengine.com/u/Nicrose37)\ **Replies:** 2\ **Last updated:** [November 14, 2020, 6:41pm UTC](https://forums.unrealengine.com/t/how-to-change-audio-effects-at-runtime/474402 "2020-11-14T18:41:14Z")
Is it possible to change the low pass frequency of a sound at runtime? I have gotten it to work but it resets the sound cue when successful. --- ## [How do i play music when my player transforms](https://forums.unrealengine.com/t/how-do-i-play-music-when-my-player-transforms/474388)
**Author:** [@MrPRODude](https://forums.unrealengine.com/u/MrPRODude)\ **Replies:** 3\ **Last updated:** [November 14, 2020, 2:54pm UTC](https://forums.unrealengine.com/t/how-do-i-play-music-when-my-player-transforms/474388 "2020-11-14T14:54:44Z")
Hello guys this things been bugging me for some time on my project. what i’m trying to make when the player transforms lets say to super sonic a certain background music playes and after the transformation is = to false … --- ## [Can't delete "empty" folders because files are still in them?](https://forums.unrealengine.com/t/cant-delete-empty-folders-because-files-are-still-in-them/133649)
**Author:** [@Pine722](https://forums.unrealengine.com/u/Pine722)\ **Replies:** 12\ **Last updated:** [November 14, 2020, 12:06am UTC](https://forums.unrealengine.com/t/cant-delete-empty-folders-because-files-are-still-in-them/133649 "2020-11-14T00:06:03Z")
After deleting/moving files out of folder until they are empty and fixing up redirectors, often times there are “empty” folders that can’t be deleted because even though they show no files in them in the editor, if you c… --- ## [I tried to submit audio content but keep receiving an error message in the versions section](https://forums.unrealengine.com/t/i-tried-to-submit-audio-content-but-keep-receiving-an-error-message-in-the-versions-section/474434)
**Author:** [@anonymous\_user\_5f2688b4](https://forums.unrealengine.com/u/anonymous_user_5f2688b4)\ **Replies:** 0\ **Last updated:** [November 13, 2020, 4:21pm UTC](https://forums.unrealengine.com/t/i-tried-to-submit-audio-content-but-keep-receiving-an-error-message-in-the-versions-section/474434 "2020-11-13T16:21:25Z")
I tried to submit audio content but keep receiving an error message in the versions section that it says “this versions should be each set of project file you’d like to distribute for your product , if some content or … --- ## [How realistic sound rendering can be achieved in the Unreal Engine?](https://forums.unrealengine.com/t/how-realistic-sound-rendering-can-be-achieved-in-the-unreal-engine/153580)
**Author:** [@anon18065303](https://forums.unrealengine.com/u/anon18065303)\ **Replies:** 0\ **Last updated:** [November 13, 2020, 10:55am UTC](https://forums.unrealengine.com/t/how-realistic-sound-rendering-can-be-achieved-in-the-unreal-engine/153580 "2020-11-13T10:55:03Z")
I’ve had this vision since the mid 1990’s that one day, we would be able to simulate real life sound with a computer. Imagine “ray tracing for sound.” I had a project recording studio and bought The Master Handbook of Ac… --- ## [Occlusion Volume Attenuation maximum value?](https://forums.unrealengine.com/t/occlusion-volume-attenuation-maximum-value/474395)
**Author:** [@Nicrose37](https://forums.unrealengine.com/u/Nicrose37)\ **Replies:** 0\ **Last updated:** [November 12, 2020, 11:11pm UTC](https://forums.unrealengine.com/t/occlusion-volume-attenuation-maximum-value/474395 "2020-11-12T23:11:04Z")
When setting the occlusion volume attentuation to .5, it works as expected and brings the volume down 50 percent. But when I set it to 2 or 2000 or anything higher than 1, it clamps the volume to 1. Is this the intended … --- ## [Sound Attenuation issue...](https://forums.unrealengine.com/t/sound-attenuation-issue/474367)
**Author:** [@Unisink2020](https://forums.unrealengine.com/u/Unisink2020)\ **Replies:** 0\ **Last updated:** [November 12, 2020, 3:00pm UTC](https://forums.unrealengine.com/t/sound-attenuation-issue/474367 "2020-11-12T15:00:17Z")
I can hear this sound inside of 1000 radius but when I got to 5000 and the noise plays, I hear nothing, even though 5000 is well within the range of the 12000 falloff. What is going on? --- ## [Time Synth set volume group broken?](https://forums.unrealengine.com/t/time-synth-set-volume-group-broken/153152)
**Author:** [@olivierJT](https://forums.unrealengine.com/u/olivierJT)\ **Replies:** 6\ **Last updated:** [November 12, 2020, 10:23am UTC](https://forums.unrealengine.com/t/time-synth-set-volume-group-broken/153152 "2020-11-12T10:23:45Z")
Hello everyone, I can’t change the volume of one of my volume group. “Set volume group” (Set the volume in Db of the given volume group over the supplied Fadetime) Fade time is 0.01 That “set volume” is on a tick tha… --- ## [Vivox intergration, Positional issue](https://forums.unrealengine.com/t/vivox-intergration-positional-issue/457657)
**Author:** [@Rareden](https://forums.unrealengine.com/u/Rareden)\ **Replies:** 1\ **Last updated:** [November 11, 2020, 8:08pm UTC](https://forums.unrealengine.com/t/vivox-intergration-positional-issue/457657 "2020-11-11T20:08:33Z")
We have been implementing Vivox for our game, non positional voice works fine however whenever we try to use positional with Set3DPosition in the vivox api, it returns a error of “error:Required Object does not exist (10… --- ## [Loudness meter/radar REQUEST](https://forums.unrealengine.com/t/loudness-meter-radar-request/153164)
**Author:** [@TristanMorelle](https://forums.unrealengine.com/u/TristanMorelle)\ **Replies:** 2\ **Last updated:** [November 11, 2020, 12:54am UTC](https://forums.unrealengine.com/t/loudness-meter-radar-request/153164 "2020-11-11T00:54:31Z")
Hi, I recently got tasked to work in unreal on audio using the native tools (not wwise). I’m having a hard time grasping the overall leveling of my mix. I notice my scenes don’t always match in loudness and that’s becom… --- ## [Android audio thread crash on startup](https://forums.unrealengine.com/t/android-audio-thread-crash-on-startup/474278)
**Author:** [@Antidamage](https://forums.unrealengine.com/u/Antidamage)\ **Replies:** 0\ **Last updated:** [November 11, 2020, 12:19am UTC](https://forums.unrealengine.com/t/android-audio-thread-crash-on-startup/474278 "2020-11-11T00:19:13Z")
I’m trying to diagnose a startup crash that just appeared. It seems like the audio thread is crashing during startup. I’m not sure what might be causing it. Anyone know what this might be from? I haven’t made any chang… --- ## [Playing an audio clip in-time with music](https://forums.unrealengine.com/t/playing-an-audio-clip-in-time-with-music/153116)
**Author:** [@anonymous\_user\_7e6ea9d7](https://forums.unrealengine.com/u/anonymous_user_7e6ea9d7)\ **Replies:** 2\ **Last updated:** [November 10, 2020, 11:53pm UTC](https://forums.unrealengine.com/t/playing-an-audio-clip-in-time-with-music/153116 "2020-11-10T23:53:05Z")
I’m pretty new to Unreal Engine and am looking to make a game with some rhythm game elements. For example, at the start of the level, start playing a BGM and whenever the player presses a key, on the next beat or bar, a … --- ## [Hard Stereo Audio](https://forums.unrealengine.com/t/hard-stereo-audio/474260)
**Author:** [@ImperialPhalanx](https://forums.unrealengine.com/u/ImperialPhalanx)\ **Replies:** 0\ **Last updated:** [November 10, 2020, 7:36pm UTC](https://forums.unrealengine.com/t/hard-stereo-audio/474260 "2020-11-10T19:36:25Z")
I want to try to lock a sound to a stereo channel depending on what side of the player it is on. Like, I want a sound on the left to ONLY be heard through the left channel, and not the right at all. How would I accompli… --- ## [Is it not safe to move or delete any blueprint related files?](https://forums.unrealengine.com/t/is-it-not-safe-to-move-or-delete-any-blueprint-related-files/133650)
**Author:** [@Pine722](https://forums.unrealengine.com/u/Pine722)\ **Replies:** 7\ **Last updated:** [November 10, 2020, 7:18pm UTC](https://forums.unrealengine.com/t/is-it-not-safe-to-move-or-delete-any-blueprint-related-files/133650 "2020-11-10T19:18:17Z")
In 4.22.3 I noticed that moving or deleting any files that are related to any blueprint content, especially from the marketplace, even after fixing redirectors, tends to cause a lot of bugs where it causes broken referen… --- ## [unreal 4.25 ambisonics not working?](https://forums.unrealengine.com/t/unreal-4-25-ambisonics-not-working/151079)
**Author:** [@TRJ\_Audio](https://forums.unrealengine.com/u/TRJ_Audio)\ **Replies:** 3\ **Last updated:** [November 10, 2020, 7:18am UTC](https://forums.unrealengine.com/t/unreal-4-25-ambisonics-not-working/151079 "2020-11-10T07:18:16Z")
Hi. I cannot get ambisoncs playback to work correctly. I have read lots of posts here but still no luck. Maybe someone can help. This is what I have done so far: Made an audio sample encoded with ambisonics via reapers… --- ## [Creating A Sense of Speed | Sound Analysis](https://forums.unrealengine.com/t/creating-a-sense-of-speed-sound-analysis/153397)
**Author:** [@Valkyrie\_Sound](https://forums.unrealengine.com/u/Valkyrie_Sound)\ **Replies:** 0\ **Last updated:** [November 9, 2020, 9:26pm UTC](https://forums.unrealengine.com/t/creating-a-sense-of-speed-sound-analysis/153397 "2020-11-09T21:26:51Z")
From watching movies at the cinema to gaming on consoles at home, improvements in audio definition have changed the way we experience sound – but also how we experience what we see. In this video, we look at how the evo… --- ## [Box collision](https://forums.unrealengine.com/t/box-collision/474099)
**Author:** [@D.H.A.21](https://forums.unrealengine.com/u/D.H.A.21)\ **Replies:** 5\ **Last updated:** [November 7, 2020, 4:30pm UTC](https://forums.unrealengine.com/t/box-collision/474099 "2020-11-07T16:30:42Z")
Hey there . My complaint is short and maybe easy for you. My AI Character plays an animation when it overlaps the box collision . But after playing the animation it still repeats the animation even if character does not … --- ## [Mp4 intro for ps4 tittle work only with video and not audio and remain the latest frame and the game is hidden simoultanuously starting](https://forums.unrealengine.com/t/mp4-intro-for-ps4-tittle-work-only-with-video-and-not-audio-and-remain-the-latest-frame-and-the-game-is-hidden-simoultanuously-starting/474043)
**Author:** [@Rino\_De\_Astis](https://forums.unrealengine.com/u/Rino_De_Astis)\ **Replies:** 2\ **Last updated:** [November 7, 2020, 4:48am UTC](https://forums.unrealengine.com/t/mp4-intro-for-ps4-tittle-work-only-with-video-and-not-audio-and-remain-the-latest-frame-and-the-game-is-hidden-simoultanuously-starting/474043 "2020-11-07T04:48:45Z")
Hello, i followed the link: how to play videos in widgets | unreal engine 4 umg tutorial - YouTube To add a mp4 presentation of Cassini NASA at Saturn: Cassini's Grand Finale - YouTube To Hidamari Station Title i am ma… --- ## [Using a Media Player to play Audio in an Editor Utility Widget](https://forums.unrealengine.com/t/using-a-media-player-to-play-audio-in-an-editor-utility-widget/152996)
**Author:** [@BryanChrisBrown](https://forums.unrealengine.com/u/BryanChrisBrown)\ **Replies:** 0\ **Last updated:** [October 31, 2020, 5:59pm UTC](https://forums.unrealengine.com/t/using-a-media-player-to-play-audio-in-an-editor-utility-widget/152996 "2020-10-31T17:59:01Z")
I’m trying to play audio from a “Streamable Media Source” Asset via a media player in an editor utility widget. However it seems the only exposed method is to use a “MediaSoundComponent”, which normally would be fine. Ho… --- ## [Time Synth Component only working with 90 BPM?](https://forums.unrealengine.com/t/time-synth-component-only-working-with-90-bpm/152964)
**Author:** [@Blakeanator](https://forums.unrealengine.com/u/Blakeanator)\ **Replies:** 2\ **Last updated:** [October 31, 2020, 9:14am UTC](https://forums.unrealengine.com/t/time-synth-component-only-working-with-90-bpm/152964 "2020-10-31T09:14:42Z")
Hello, I have a time synth component that I’m using to play audio. But I can’t seem to get it to play anything other than 90 BPM. I think I’ve found where this goes wrong, but I’m not exactly sure why… https://forum… --- ## [Black screen at startup](https://forums.unrealengine.com/t/black-screen-at-startup/473045)
**Author:** [@AllFir](https://forums.unrealengine.com/u/AllFir)\ **Replies:** 1\ **Last updated:** [October 30, 2020, 11:23pm UTC](https://forums.unrealengine.com/t/black-screen-at-startup/473045 "2020-10-30T23:23:27Z")
Such a problem, when you start UE4 24 version, a black screen appears and nothing else. Tried to update the driver , rolled back the problem is the same. Downloaded version 25 , the problem is the same. Now it started on… [Previous page](https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=67) [Next page](https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=69)