# Audio

**URL:** https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=86

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**Page:** 87

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## [Strange reaction branch?](https://forums.unrealengine.com/t/strange-reaction-branch/456387)

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**Author:** [@Y34GHDI36](https://forums.unrealengine.com/u/Y34GHDI36)\
**Replies:** 0\
**Last updated:** [October 3, 2019, 10:50pm UTC](https://forums.unrealengine.com/t/strange-reaction-branch/456387 "2019-10-03T22:50:49Z")

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Hello, I am playing with the physics of material and what I am doing is that when one of the tires of my vehicle stepped on a Physc material adds a sound effect, what happens is that it works, but strangely that is, when…

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## [How to setup ambisonics playback in 4.19?](https://forums.unrealengine.com/t/how-to-setup-ambisonics-playback-in-4-19/106368)

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**Author:** [@virtualHC](https://forums.unrealengine.com/u/virtualHC)\
**Replies:** 12\
**Last updated:** [October 3, 2019, 2:42pm UTC](https://forums.unrealengine.com/t/how-to-setup-ambisonics-playback-in-4-19/106368 "2019-10-03T14:42:01Z")

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Hello, I’m trying to test the new ambisonic playback functionality in 4.19 but so far I haven’t been able to get it to work. So far this is what I’ve tried: With the new audio engine enabled, I created a new project, …

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## [Audio Capture setup?](https://forums.unrealengine.com/t/audio-capture-setup/131614)

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**Author:** [@IInnes](https://forums.unrealengine.com/u/IInnes)\
**Replies:** 10\
**Last updated:** [October 1, 2019, 8:37pm UTC](https://forums.unrealengine.com/t/audio-capture-setup/131614 "2019-10-01T20:37:24Z")

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I have added the Audio Capture Component to my player pawn, however Audio Envelope Value posts only 0’s to the print string, even when the component is activated, any idea why this is happening? My Mic is the only input …

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## [How to change the audio volume in Blueprint?](https://forums.unrealengine.com/t/how-to-change-the-audio-volume-in-blueprint/456179)

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**Author:** [@Blackforcedragon](https://forums.unrealengine.com/u/Blackforcedragon)\
**Replies:** 2\
**Last updated:** [September 30, 2019, 1:46pm UTC](https://forums.unrealengine.com/t/how-to-change-the-audio-volume-in-blueprint/456179 "2019-09-30T13:46:01Z")

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Is it a way to change the audio volume in blueprint whit a slider in a widget anfd get real time update on the audio, Or do I need C++?

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## [A series of objects are following a spline with a certain separation from eachother, trying to seamlessly loop their motion](https://forums.unrealengine.com/t/a-series-of-objects-are-following-a-spline-with-a-certain-separation-from-eachother-trying-to-seamlessly-loop-their-motion/416732)

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**Author:** [@Txeroki](https://forums.unrealengine.com/u/Txeroki)\
**Replies:** 5\
**Last updated:** [September 30, 2019, 1:04pm UTC](https://forums.unrealengine.com/t/a-series-of-objects-are-following-a-spline-with-a-certain-separation-from-eachother-trying-to-seamlessly-loop-their-motion/416732 "2019-09-30T13:04:05Z")

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Hi all, I currently have a chain of objects (stored in an array that goes into a foreach loop) that follow a closed spline, each at a certain distance from eachother. The motion is controlled by a looping timeline but w…

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## [Play Sound Randomly Delayed](https://forums.unrealengine.com/t/play-sound-randomly-delayed/367787)

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**Author:** [@Kupluk](https://forums.unrealengine.com/u/Kupluk)\
**Replies:** 4\
**Last updated:** [September 28, 2019, 8:11am UTC](https://forums.unrealengine.com/t/play-sound-randomly-delayed/367787 "2019-09-28T08:11:13Z")

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I assume this is as a bug since whenever I want to play a sound there’s a random delay duration to start the sound itself. I put the string “START” to compare from one playback and the other, from what I get, sometimes t…

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## [AudioMixerの信号ルートについて質問](https://forums.unrealengine.com/t/audiomixer/456081)

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**Author:** [@Answers.Archive](https://forums.unrealengine.com/u/Answers.Archive)\
**Replies:** 3\
**Last updated:** [September 27, 2019, 10:59am UTC](https://forums.unrealengine.com/t/audiomixer/456081 "2019-09-27T10:59:11Z")

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AudioMixerなのですが様々なエフェクトが使える反面、信号の流れを把握していないと、 音量やエフェクトが想定外の挙動をしてしまう懸念があると感じました。 そこで一度、信号の流れを確認させて頂けませんでしょうか？ 私としては図BusImage.jpgのように解釈しているのですが、こちらで正しいでしょうか？ よろしくお願いいたします。

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## [MasterSubmixがEfitor起動後にAssetを1度更新しないと効果が出てこないようですが](https://forums.unrealengine.com/t/mastersubmix-efitor-asset-1/456080)

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**Author:** [@Answers.Archive](https://forums.unrealengine.com/u/Answers.Archive)\
**Replies:** 2\
**Last updated:** [September 27, 2019, 10:56am UTC](https://forums.unrealengine.com/t/mastersubmix-efitor-asset-1/456080 "2019-09-27T10:56:53Z")

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アンサーハブからの転送です。 MasterSubmixの効果が出ないと思って色々調査をしていたのですが 関数AddMasterSubmixEffectの引数のSubmixEffectPresetに使用するアセットを 一度何等かの形でエディットをしてセーブを行い更新をすると効果が出るようになります。 ビルド後も同じでPCでもiPhoneでも同様でした。 こちらは不具合でしょうか？それとも何か実装手順が抜けているのでしょうか？ よろし…

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## [How to reduce noise for microphone in ue4](https://forums.unrealengine.com/t/how-to-reduce-noise-for-microphone-in-ue4/131351)

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**Author:** [@anonymous\_user\_52e83c2a](https://forums.unrealengine.com/u/anonymous_user_52e83c2a)\
**Replies:** 1\
**Last updated:** [September 27, 2019, 6:19am UTC](https://forums.unrealengine.com/t/how-to-reduce-noise-for-microphone-in-ue4/131351 "2019-09-27T06:19:36Z")

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How to reduce noise or adjust sensitivity for microphone in ue4? Whether such an interface is provided?

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## [wwise packaging trouble](https://forums.unrealengine.com/t/wwise-packaging-trouble/455917)

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**Author:** [@D.Kermel](https://forums.unrealengine.com/u/D.Kermel)\
**Replies:** 0\
**Last updated:** [September 24, 2019, 11:40pm UTC](https://forums.unrealengine.com/t/wwise-packaging-trouble/455917 "2019-09-24T23:40:59Z")

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Hi It’s my first time with wwise, I’m currently working on a Blue Print project. Wwise works perfectly on the editor but seems to vanish on packaging. Not a single sound event works. I just get 2 strange errors. Same…

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## [Do "Play Sound" Animation Notifys get triggered during Sequencer playback?](https://forums.unrealengine.com/t/do-play-sound-animation-notifys-get-triggered-during-sequencer-playback/131485)

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**Author:** [@SoundGuyChris](https://forums.unrealengine.com/u/SoundGuyChris)\
**Replies:** 0\
**Last updated:** [September 23, 2019, 9:10pm UTC](https://forums.unrealengine.com/t/do-play-sound-animation-notifys-get-triggered-during-sequencer-playback/131485 "2019-09-23T21:10:23Z")

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In my level, there is a power generator which exists as a blueprint, in the background. It runs an idle animation with some sound attached to it and basically runs this animation as it’s default behavior. When the level…

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## [playback speed of looping SFX based on speed of enemy animations?](https://forums.unrealengine.com/t/playback-speed-of-looping-sfx-based-on-speed-of-enemy-animations/131482)

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**Author:** [@anonymous\_user\_d49d3e93](https://forums.unrealengine.com/u/anonymous_user_d49d3e93)\
**Replies:** 0\
**Last updated:** [September 23, 2019, 8:57pm UTC](https://forums.unrealengine.com/t/playback-speed-of-looping-sfx-based-on-speed-of-enemy-animations/131482 "2019-09-23T20:57:09Z")

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Hi there, I recently started sound design and technical implementation for a game in Unreal Engine’s default audio engine. The enemies in this game have the speed of their walk and attack animations (more or less) rando…

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## [Music blueprint?](https://forums.unrealengine.com/t/music-blueprint/131372)

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**Author:** [@SuperApe33](https://forums.unrealengine.com/u/SuperApe33)\
**Replies:** 1\
**Last updated:** [September 23, 2019, 5:23pm UTC](https://forums.unrealengine.com/t/music-blueprint/131372 "2019-09-23T17:23:36Z")

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Hello world, I’m totally new to the game audio integration and am searching for the best way to integrate in ue4. I’m working with FMOD. So the question is : Would it make sense to create a blueprint dedicated to the…

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## [Data Table and sound cue/base](https://forums.unrealengine.com/t/data-table-and-sound-cue-base/125154)

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**Author:** [@ZackReganSounds](https://forums.unrealengine.com/u/ZackReganSounds)\
**Replies:** 3\
**Last updated:** [September 23, 2019, 5:19pm UTC](https://forums.unrealengine.com/t/data-table-and-sound-cue-base/125154 "2019-09-23T17:19:16Z")

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So this project I am with is using data tables for their weapons and they have it set up for the sound to run through that as well. The thing is that it is set up via sound wave which gives me no room for sound design. I…

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## [How to get the "CaptureAudioData" in AudioCaptureComponent?](https://forums.unrealengine.com/t/how-to-get-the-captureaudiodata-in-audiocapturecomponent/130057)

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**Author:** [@anonymous\_user\_209681ce](https://forums.unrealengine.com/u/anonymous_user_209681ce)\
**Replies:** 2\
**Last updated:** [September 23, 2019, 8:52am UTC](https://forums.unrealengine.com/t/how-to-get-the-captureaudiodata-in-audiocapturecomponent/130057 "2019-09-23T08:52:12Z")

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I wanna get access to the “CaptureAudioData” in AudioCaptureComponent， but “CaptureAudioData” is a private member and no public method could get the data. Any suggestions? Thanks.

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## [Audio lagging at runtime in UE 4.23. Possible bug?](https://forums.unrealengine.com/t/audio-lagging-at-runtime-in-ue-4-23-possible-bug/455724)

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**Author:** [@dodolfo44](https://forums.unrealengine.com/u/dodolfo44)\
**Replies:** 1\
**Last updated:** [September 22, 2019, 4:34pm UTC](https://forums.unrealengine.com/t/audio-lagging-at-runtime-in-ue-4-23-possible-bug/455724 "2019-09-22T16:34:02Z")

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Hi. I noticed that, at least in my case, after jumping from UE4.22 to UE4.23, if my game has no audio it works fine. But when my game runs with any kind of audio (Sounds cue, Sounds wave, etc), it starts to lag after a …

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## [bluprint node for get frequency](https://forums.unrealengine.com/t/bluprint-node-for-get-frequency/455725)

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**Author:** [@Coccodrillo](https://forums.unrealengine.com/u/Coccodrillo)\
**Replies:** 3\
**Last updated:** [September 21, 2019, 6:39pm UTC](https://forums.unrealengine.com/t/bluprint-node-for-get-frequency/455725 "2019-09-21T18:39:17Z")

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I would like to take the frequency of an audio like the node “calculate frequency spectrum” someone know a plug-in or tutorial C ++ to create a new bluprint node? I know they added On Audio Envelope Value but I would ra…

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## [How can i get  Microphone  Insert or pull state and Monitor this state](https://forums.unrealengine.com/t/how-can-i-get-microphone-insert-or-pull-state-and-monitor-this-state/130657)

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**Author:** [@anonymous\_user\_52e83c2a](https://forums.unrealengine.com/u/anonymous_user_52e83c2a)\
**Replies:** 1\
**Last updated:** [September 20, 2019, 9:37am UTC](https://forums.unrealengine.com/t/how-can-i-get-microphone-insert-or-pull-state-and-monitor-this-state/130657 "2019-09-20T09:37:45Z")

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How do we know if a voice input device is available, such as if the microphone has been plugged in or pulled out, and can be listened for during a game

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## [How to reduce noise or adjust sensitivity for microphone](https://forums.unrealengine.com/t/how-to-reduce-noise-or-adjust-sensitivity-for-microphone/455691)

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**Author:** [@anonymous\_user\_52e83c2a](https://forums.unrealengine.com/u/anonymous_user_52e83c2a)\
**Replies:** 0\
**Last updated:** [September 20, 2019, 9:28am UTC](https://forums.unrealengine.com/t/how-to-reduce-noise-or-adjust-sensitivity-for-microphone/455691 "2019-09-20T09:28:59Z")

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How to reduce noise or adjust sensitivity for microphone? Whether such an interface is provided?

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## [No Audio Capture Device Found On Android](https://forums.unrealengine.com/t/no-audio-capture-device-found-on-android/442310)

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**Author:** [@Wertiz](https://forums.unrealengine.com/u/Wertiz)\
**Replies:** 4\
**Last updated:** [September 19, 2019, 7:45pm UTC](https://forums.unrealengine.com/t/no-audio-capture-device-found-on-android/442310 "2019-09-19T19:45:46Z")

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I’m trying to capture the microphone input on the Oculus Go which is android based, but the engine can’t find audio capture devices while the project is running on the headset. In the viewport everything is fine. I’m us…

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## [サウンドデータの波形をForceFeedBackEffectのキーに変換する方法](https://forums.unrealengine.com/t/forcefeedbackeffect/455602)

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**Author:** [@Answers.Archive](https://forums.unrealengine.com/u/Answers.Archive)\
**Replies:** 7\
**Last updated:** [September 19, 2019, 7:24am UTC](https://forums.unrealengine.com/t/forcefeedbackeffect/455602 "2019-09-19T07:24:33Z")

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お世話になっております。 ForceFeedBackEffectを使用して、ギミック作動時や、プレイヤーのアクション時にコントローラーを振動させたいと思っています。 ですが物量が多い場合、手作業でギミックやアクションに対して別々の振動データを作成するのは効率が良くないと考えています。 そこで、一緒に再生されるSEなどの波形データをForceFeedBackEffectのキーに変換するようなことができたらと思っているのですが、Sou…

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## [Using Wwise + switch containers for Ambiences help](https://forums.unrealengine.com/t/using-wwise-switch-containers-for-ambiences-help/131293)

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**Author:** [@fenderbee](https://forums.unrealengine.com/u/fenderbee)\
**Replies:** 0\
**Last updated:** [September 18, 2019, 8:28pm UTC](https://forums.unrealengine.com/t/using-wwise-switch-containers-for-ambiences-help/131293 "2019-09-18T20:28:40Z")

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Hey everyone, I’m trying to use a Wwise switch container to control my ambiences in a UE4 project I’m working on. It works in Wwise no problem and if I set up a start all ambiences node with a switch node, the ambience…

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## [Problem when character moves backward](https://forums.unrealengine.com/t/problem-when-character-moves-backward/131195)

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**Author:** [@anonymous\_user\_4cc392ae](https://forums.unrealengine.com/u/anonymous_user_4cc392ae)\
**Replies:** 7\
**Last updated:** [September 18, 2019, 7:52pm UTC](https://forums.unrealengine.com/t/problem-when-character-moves-backward/131195 "2019-09-18T19:52:49Z")

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I am using the third person character setup that comes with the game software. Using “W”, the character moves smoothly forward, the camera pointing in the forward direction. However, using the “S”, the character moves …

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## [AudioComponent playing a sound causes another AudioComponent to stop playing (since 4.23 upgrade)](https://forums.unrealengine.com/t/audiocomponent-playing-a-sound-causes-another-audiocomponent-to-stop-playing-since-4-23-upgrade/455498)

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**Author:** [@superdreamgen](https://forums.unrealengine.com/u/superdreamgen)\
**Replies:** 1\
**Last updated:** [September 18, 2019, 1:29pm UTC](https://forums.unrealengine.com/t/audiocomponent-playing-a-sound-causes-another-audiocomponent-to-stop-playing-since-4-23-upgrade/455498 "2019-09-18T13:29:28Z")

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I have an actor with multiple audio components. One audio component continuously loops an ambient sound, while the other audio components play short sounds when certain events fire. Since upgrading to 4.23, whenever one…

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## [Basic question on images and audio](https://forums.unrealengine.com/t/basic-question-on-images-and-audio/455460)

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**Author:** [@DETERMINATOR20](https://forums.unrealengine.com/u/DETERMINATOR20)\
**Replies:** 6\
**Last updated:** [September 18, 2019, 7:48am UTC](https://forums.unrealengine.com/t/basic-question-on-images-and-audio/455460 "2019-09-18T07:48:54Z")

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Hi, this is just a basic question. I was just wondering how big of a scale should we import images? I thought maybe at a 2x scale, but I’m not sure. I know that going too oversized can be bad when downsizing, but I want…

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## [Play spatial sound from widgets inside widget component?](https://forums.unrealengine.com/t/play-spatial-sound-from-widgets-inside-widget-component/455472)

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**Author:** [@MaxPower42](https://forums.unrealengine.com/u/MaxPower42)\
**Replies:** 4\
**Last updated:** [September 18, 2019, 3:33am UTC](https://forums.unrealengine.com/t/play-spatial-sound-from-widgets-inside-widget-component/455472 "2019-09-18T03:33:49Z")

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Is there a simple way to do this? Is there a way at all? I would have to know the widget component (or better the world location of the widget itself) from a contained widget when playing a clicked/hovered sound. It woul…

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## [support for Dolby ATMOS, and or DTS:X (object orientated sound, or more specific VECTOR sound!)](https://forums.unrealengine.com/t/support-for-dolby-atmos-and-or-dts-x-object-orientated-sound-or-more-specific-vector-sound/102578)

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**Author:** [@anonymous\_user\_12eeb1da](https://forums.unrealengine.com/u/anonymous_user_12eeb1da)\
**Replies:** 4\
**Last updated:** [September 17, 2019, 2:36pm UTC](https://forums.unrealengine.com/t/support-for-dolby-atmos-and-or-dts-x-object-orientated-sound-or-more-specific-vector-sound/102578 "2019-09-17T14:36:28Z")

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I’m just sitting here wondering how a project at this time and age, would not support object orientated sound systems, like Dolby atmos, or DTS:X (last which can take up to 32 speakers that you can place in any position…

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## [Ambisonics not working in UE4.22 ???](https://forums.unrealengine.com/t/ambisonics-not-working-in-ue4-22/128061)

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**Author:** [@anonymous\_user\_1ec0f28b](https://forums.unrealengine.com/u/anonymous_user_1ec0f28b)\
**Replies:** 5\
**Last updated:** [September 16, 2019, 10:22pm UTC](https://forums.unrealengine.com/t/ambisonics-not-working-in-ue4-22/128061 "2019-09-16T22:22:58Z")

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It seems that Ambisonics is broken in 4.22. Can anyone confirm this and / or provide details of an expected fix? In 4.21.2 it appears to be working fine In 4.22.2 Ambisonics does not work and I get a speaker-shattering…

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## [Prevent UE4 iOS apps from stopping other app's audio playback on launch](https://forums.unrealengine.com/t/prevent-ue4-ios-apps-from-stopping-other-apps-audio-playback-on-launch/131056)

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**Author:** [@LoneScrapbot](https://forums.unrealengine.com/u/LoneScrapbot)\
**Replies:** 0\
**Last updated:** [September 13, 2019, 3:47am UTC](https://forums.unrealengine.com/t/prevent-ue4-ios-apps-from-stopping-other-apps-audio-playback-on-launch/131056 "2019-09-13T03:47:59Z")

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Hi all, Trying here in audio as I’ve been having trouble getting anywhere with this. Maybe someone in the audio forum can help me out? What I Want To do: Let any existing audio playback continue when my UE4 iOS app i…

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## [New audio engine messes up my existing reverbs?](https://forums.unrealengine.com/t/new-audio-engine-messes-up-my-existing-reverbs/130483)

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**Author:** [@anonymous\_user\_e04fe733](https://forums.unrealengine.com/u/anonymous_user_e04fe733)\
**Replies:** 5\
**Last updated:** [September 12, 2019, 12:23pm UTC](https://forums.unrealengine.com/t/new-audio-engine-messes-up-my-existing-reverbs/130483 "2019-09-12T12:23:08Z")

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If I activate the new audio engine on an existing project, the reverb settings are all messed up/not working. What is causing this? I know it might be a million different things, but any general idea? Thanks:)

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