# Audio **URL:** https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=99 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 100 --- ## [Audio profiling](https://forums.unrealengine.com/t/audio-profiling/118829)
**Author:** [@AKA\_ADR](https://forums.unrealengine.com/u/AKA_ADR)\ **Replies:** 0\ **Last updated:** [November 15, 2018, 11:31pm UTC](https://forums.unrealengine.com/t/audio-profiling/118829 "2018-11-15T23:31:15Z")
HI, How do I go about profiling the UE4 audio engine? I just created a source bus for a weapon sound and want to compare the performance between using a source bus or not. Any info would be appreciated. Thanks --- ## [Audio Component Default Value Help](https://forums.unrealengine.com/t/audio-component-default-value-help/433870)
**Author:** [@MrMacAttack](https://forums.unrealengine.com/u/MrMacAttack)\ **Replies:** 1\ **Last updated:** [November 15, 2018, 3:46pm UTC](https://forums.unrealengine.com/t/audio-component-default-value-help/433870 "2018-11-15T15:46:51Z")
I don’t know or understand how the default value can be empty even through I have audio in the folders. Anyone know how to add audio for the default value? --- ## [Screen Blink Bug at RTX2080](https://forums.unrealengine.com/t/screen-blink-bug-at-rtx2080/434444)
**Author:** [@ARaTasia](https://forums.unrealengine.com/u/ARaTasia)\ **Replies:** 8\ **Last updated:** [November 11, 2018, 3:09am UTC](https://forums.unrealengine.com/t/screen-blink-bug-at-rtx2080/434444 "2018-11-11T03:09:20Z")
I use the RTX2080. The version of Unreal Engine is 4.20.3. The version of the graphics driver is 411.63. The games are running well. However, if you hover the mouse over the UI of the engine, the screen will blink and… --- ## [Help with Mixed Reality Capture (MRC)](https://forums.unrealengine.com/t/help-with-mixed-reality-capture-mrc/437401)
**Author:** [@anonymous\_user\_b466deed](https://forums.unrealengine.com/u/anonymous_user_b466deed)\ **Replies:** 1\ **Last updated:** [November 10, 2018, 8:36pm UTC](https://forums.unrealengine.com/t/help-with-mixed-reality-capture-mrc/437401 "2018-11-10T20:36:06Z")
I have been following these instructions (https://docs.unrealengine.com/en-US/Platforms/MR/MRQuickStart) to try and setup a UE4 project to do mixed reality capture like on the weather channel videos. I get as far as st… --- ## [AI sounds walk, run, attack](https://forums.unrealengine.com/t/ai-sounds-walk-run-attack/428339)
**Author:** [@jajo1399](https://forums.unrealengine.com/u/jajo1399)\ **Replies:** 2\ **Last updated:** [November 10, 2018, 3:25am UTC](https://forums.unrealengine.com/t/ai-sounds-walk-run-attack/428339 "2018-11-10T03:25:41Z")
When I add sound to a walk animation using notifies I hear all AI walks at the same volume while they are at different places in the map which is so annoying . How can I make the AI walk sound based on the location. So … --- ## [After update 4.21 the slider in widget stopped showing the audio playback percent](https://forums.unrealengine.com/t/after-update-4-21-the-slider-in-widget-stopped-showing-the-audio-playback-percent/437284)
**Author:** [@VitalyGintsar](https://forums.unrealengine.com/u/VitalyGintsar)\ **Replies:** 0\ **Last updated:** [November 8, 2018, 9:41pm UTC](https://forums.unrealengine.com/t/after-update-4-21-the-slider-in-widget-stopped-showing-the-audio-playback-percent/437284 "2018-11-08T21:41:28Z")
Before that, at 4.20, everything worked fine. After the update, the sound slider works as usual, but the percent audio slider does not move. If you switch the track on the slider - the time of the track changes, everythi… --- ## [How do I fix sounds in games I am playing using Unreal?](https://forums.unrealengine.com/t/how-do-i-fix-sounds-in-games-i-am-playing-using-unreal/437260)
**Author:** [@anonymous\_user\_429c288e](https://forums.unrealengine.com/u/anonymous_user_429c288e)\ **Replies:** 1\ **Last updated:** [November 8, 2018, 7:54pm UTC](https://forums.unrealengine.com/t/how-do-i-fix-sounds-in-games-i-am-playing-using-unreal/437260 "2018-11-08T19:54:19Z")
So the rundown of my situation is as follows: Any game I play that runs the Unreal Engine on Steam or any other platform has no sound. I tried to do the following: -verifying game cache -reinstalling games -Updating… --- ## [Audio Source Effect API documentation?](https://forums.unrealengine.com/t/audio-source-effect-api-documentation/118488)
**Author:** [@ntomassetti](https://forums.unrealengine.com/u/ntomassetti)\ **Replies:** 0\ **Last updated:** [November 7, 2018, 5:46pm UTC](https://forums.unrealengine.com/t/audio-source-effect-api-documentation/118488 "2018-11-07T17:46:48Z")
The latest 4.21 engine update mentions optimizations and improvements to the source effect architecture but I’m having a little trouble finding out more. Is there a wiki page I’ve been glossing over that’ll help me get s… --- ## [\[Audio\] MaxConcurrentPlayCount with AutoActivated ambient sounds](https://forums.unrealengine.com/t/audio-maxconcurrentplaycount-with-autoactivated-ambient-sounds/352248)
**Author:** [@vipeout](https://forums.unrealengine.com/u/vipeout)\ **Replies:** 11\ **Last updated:** [November 7, 2018, 5:03pm UTC](https://forums.unrealengine.com/t/audio-maxconcurrentplaycount-with-autoactivated-ambient-sounds/352248 "2018-11-07T17:03:40Z")
Hi, I’ll try describing the issue as short as possible. I have several ambient sounds on map that I want to fire and forget, basic Ambient Sound with Auto Activate enabled (default setting). There may be however many of… --- ## [How do I download a pre made level or environment to apply sound design to?](https://forums.unrealengine.com/t/how-do-i-download-a-pre-made-level-or-environment-to-apply-sound-design-to/437187)
**Author:** [@anonymous\_user\_fd447e9d](https://forums.unrealengine.com/u/anonymous_user_fd447e9d)\ **Replies:** 1\ **Last updated:** [November 7, 2018, 4:01pm UTC](https://forums.unrealengine.com/t/how-do-i-download-a-pre-made-level-or-environment-to-apply-sound-design-to/437187 "2018-11-07T16:01:40Z")
I am doing game sound design for a college project, how do I download a pre made level or environment to apply sound design to? I am mainly interested in using Fmod to sound design a level, and have less time to focus on… --- ## [Sound Playing Problem](https://forums.unrealengine.com/t/sound-playing-problem/328402)
**Author:** [@anonymous\_user\_28ca7d86](https://forums.unrealengine.com/u/anonymous_user_28ca7d86)\ **Replies:** 3\ **Last updated:** [November 7, 2018, 12:14am UTC](https://forums.unrealengine.com/t/sound-playing-problem/328402 "2018-11-07T00:14:05Z")
Hi , i use “play sound at location” node and it’s playing well , but when I use the “Audio Component” (Sound), in my blueprint to play a sound, i’ve no sound and got an error (Accessed None Sound From Node “SetWorldLoca… --- ## [MediaPlayer video looping playback is not seamless (brand new project, 1 media player, \[ \]Auto Clear, \[X\] Looping)](https://forums.unrealengine.com/t/mediaplayer-video-looping-playback-is-not-seamless-brand-new-project-1-media-player-auto-clear-x-looping/437046)
**Author:** [@anonymous\_user\_af205a6c](https://forums.unrealengine.com/u/anonymous_user_af205a6c)\ **Replies:** 1\ **Last updated:** [November 5, 2018, 2:29pm UTC](https://forums.unrealengine.com/t/mediaplayer-video-looping-playback-is-not-seamless-brand-new-project-1-media-player-auto-clear-x-looping/437046 "2018-11-05T14:29:37Z")
Step by step repo: New Project Add Media Player \[X\] Video Output MediaTexture Asset Drag in Movie Play \*\*Looping is not seamless. About 50% of the times it loops - it flashes black and the Pause button … --- ## [FMod event replication](https://forums.unrealengine.com/t/fmod-event-replication/406636)
**Author:** [@Samuelb](https://forums.unrealengine.com/u/Samuelb)\ **Replies:** 1\ **Last updated:** [November 5, 2018, 1:51am UTC](https://forums.unrealengine.com/t/fmod-event-replication/406636 "2018-11-05T01:51:06Z")
Hey there We are trying to implement fmod events in our multiplayer game. However, the events in fmod don’t seem to work the same way as the typical “play sound 2d” for example. Does fmod support replication, if so … --- ## [audio communication for a mic](https://forums.unrealengine.com/t/audio-communication-for-a-mic/118350)
**Author:** [@anonymous\_user\_d0a84ffc](https://forums.unrealengine.com/u/anonymous_user_d0a84ffc)\ **Replies:** 0\ **Last updated:** [November 4, 2018, 6:53pm UTC](https://forums.unrealengine.com/t/audio-communication-for-a-mic/118350 "2018-11-04T18:53:30Z")
If I were building a com program I would build it internal so people could communicate by a mic in the program. Instead of going outside the box. I was playing L4D2 and they have a built in com for a mic. and it works … --- ## [How to make the voice spread with speed](https://forums.unrealengine.com/t/how-to-make-the-voice-spread-with-speed/436955)
**Author:** [@DoubyBear](https://forums.unrealengine.com/u/DoubyBear)\ **Replies:** 1\ **Last updated:** [November 3, 2018, 3:25pm UTC](https://forums.unrealengine.com/t/how-to-make-the-voice-spread-with-speed/436955 "2018-11-03T15:25:44Z")
I am learning the voice feature of UE4.Now I want to create a sound cue that can spread to me with a little delay.(That means if the sound cue is far away from me,than I will hear the sound later.We know the sound is spr… --- ## [audiomixer](https://forums.unrealengine.com/t/audiomixer/116191)
**Author:** [@Citymmersion](https://forums.unrealengine.com/u/Citymmersion)\ **Replies:** 3\ **Last updated:** [November 3, 2018, 9:03am UTC](https://forums.unrealengine.com/t/audiomixer/116191 "2018-11-03T09:03:14Z")
Hi everyone, Tutotials said that we have only to create a shortcut and to add “-audiomixer” in property - cible. But it sounds change nothing. I use UE4.20 Have i forgotten something? Finally i have solved the proble… --- ## [How to set Audio Output to Oculus Rift](https://forums.unrealengine.com/t/how-to-set-audio-output-to-oculus-rift/426243)
**Author:** [@VRmanufaktur](https://forums.unrealengine.com/u/VRmanufaktur)\ **Replies:** 2\ **Last updated:** [November 1, 2018, 2:04pm UTC](https://forums.unrealengine.com/t/how-to-set-audio-output-to-oculus-rift/426243 "2018-11-01T14:04:24Z")
Hey, I developed a little experience for Oculus Rift. I passed all the technical tests except for one audio test. The problem is that the sound isn’t playing on the rift headphones at the Oculus testers PC, just on the… --- ## [Trying to create a release / falloff](https://forums.unrealengine.com/t/trying-to-create-a-release-falloff/436783)
**Author:** [@SiLiUSD](https://forums.unrealengine.com/u/SiLiUSD)\ **Replies:** 0\ **Last updated:** [October 31, 2018, 6:05pm UTC](https://forums.unrealengine.com/t/trying-to-create-a-release-falloff/436783 "2018-10-31T18:05:34Z")
Hi everyone I’m trying to get some kind of release/falloff effect (like the one found in an ADSR envelope). Im using a WindowsAudioCapture component and changing the scale of a cube, driven by the windows audio / microp… --- ## [Sound only turn on once](https://forums.unrealengine.com/t/sound-only-turn-on-once/294953)
**Author:** [@pkringen](https://forums.unrealengine.com/u/pkringen)\ **Replies:** 6\ **Last updated:** [October 31, 2018, 5:09pm UTC](https://forums.unrealengine.com/t/sound-only-turn-on-once/294953 "2018-10-31T17:09:59Z")
Hi When I add ambient sound it only works for one “turn”. If I run out of the sound sphere the sound doesn’t start again when I go into the sound sphere again. I would like to have an ambient loop for Jungle and Coast. … --- ## [How to sync identical audio sources?](https://forums.unrealengine.com/t/how-to-sync-identical-audio-sources/428574)
**Author:** [@SebGallop](https://forums.unrealengine.com/u/SebGallop)\ **Replies:** 1\ **Last updated:** [October 30, 2018, 3:30am UTC](https://forums.unrealengine.com/t/how-to-sync-identical-audio-sources/428574 "2018-10-30T03:30:23Z")
Hi, So I am having trouble syncing a speaker setup in my level that is supposed to play the same song at the same time in different parts of the level. So far nearby speakers sync up, but travelling around the level it … --- ## [Set Sound Submix Objectでクラッシュすることがあります。](https://forums.unrealengine.com/t/set-sound-submix-object/436565)
**Author:** [@SATORU-OKBUO](https://forums.unrealengine.com/u/SATORU-OKBUO)\ **Replies:** 1\ **Last updated:** [October 29, 2018, 7:10pm UTC](https://forums.unrealengine.com/t/set-sound-submix-object/436565 "2018-10-29T19:10:21Z")
Set Sound Submix ObjectでSubmixを変更しようとしています。 Set Sound Submix Object では添付のash\_00.jpgの①の部分のSubmixを変更しようとしていますが ②の部分にSubmixがセットされている状態で同じSubmixをSet Sound Submix Object で セットしようとするとクラッシュします。クラッシュレポートも下記に掲載しておきます。 ご確認宜しくお… --- ## [Set Submix Sendが上手く使えません。](https://forums.unrealengine.com/t/set-submix-send/436566)
**Author:** [@SATORU-OKBUO](https://forums.unrealengine.com/u/SATORU-OKBUO)\ **Replies:** 4\ **Last updated:** [October 29, 2018, 8:40am UTC](https://forums.unrealengine.com/t/set-submix-send/436566 "2018-10-29T08:40:26Z")
SoundCue内でSendで使っているSubmixのSend値を動的に変更したいのですが添付のようにしてみても 効果がありません。SoundCue内のSubmixのSend値を動的に変更するにはどのようにすれば宜しいでしょうか？ ちなみにこの図の場合ですと「ターゲット→SoundSubmixObject」はSoundCue内のSendの部分ではなく Insert（上の方のSubmix）のObjectが戻ってくるようですのでこれだ… --- ## [How can I capture spatialized audio from a certain part of the scene and output to a source bus?](https://forums.unrealengine.com/t/how-can-i-capture-spatialized-audio-from-a-certain-part-of-the-scene-and-output-to-a-source-bus/118065)
**Author:** [@Sam54123](https://forums.unrealengine.com/u/Sam54123)\ **Replies:** 1\ **Last updated:** [October 29, 2018, 3:53am UTC](https://forums.unrealengine.com/t/how-can-i-capture-spatialized-audio-from-a-certain-part-of-the-scene-and-output-to-a-source-bus/118065 "2018-10-29T03:53:04Z")
The question is simple - how can I capture spatialized audio from a certain part of the scene using a particular gain, and output it to a source bus, or something similar that would allow me to mix it with with other mic… --- ## [How can I capture spatialized audio from a certain part of the scene and output to a source bus?](https://forums.unrealengine.com/t/how-can-i-capture-spatialized-audio-from-a-certain-part-of-the-scene-and-output-to-a-source-bus/436605)
**Author:** [@Sam54123](https://forums.unrealengine.com/u/Sam54123)\ **Replies:** 1\ **Last updated:** [October 29, 2018, 3:50am UTC](https://forums.unrealengine.com/t/how-can-i-capture-spatialized-audio-from-a-certain-part-of-the-scene-and-output-to-a-source-bus/436605 "2018-10-29T03:50:28Z")
There isn’t an audio section, so I’m posting this here. The question is simple - how can I capture spatialized audio from a certain part of the scene using a particular gain, and output it to a source bus, or something … --- ## [Continuously playback of music during map changes without persistence level](https://forums.unrealengine.com/t/continuously-playback-of-music-during-map-changes-without-persistence-level/436008)
**Author:** [@Segovo](https://forums.unrealengine.com/u/Segovo)\ **Replies:** 1\ **Last updated:** [October 29, 2018, 2:05am UTC](https://forums.unrealengine.com/t/continuously-playback-of-music-during-map-changes-without-persistence-level/436008 "2018-10-29T02:05:52Z")
I don’t know if this is allowed but I am reposting an old question as the answers don’t work anymore and I desperately need a fix without using level streaming. I will include a link to the old post below. Here is the q… --- ## [Audio Error When Packaging Game (audio doesn't play in packaged game)](https://forums.unrealengine.com/t/audio-error-when-packaging-game-audio-doesnt-play-in-packaged-game/428178)
**Author:** [@anonymous\_user\_49366e1e](https://forums.unrealengine.com/u/anonymous_user_49366e1e)\ **Replies:** 1\ **Last updated:** [October 29, 2018, 1:06am UTC](https://forums.unrealengine.com/t/audio-error-when-packaging-game-audio-doesnt-play-in-packaged-game/428178 "2018-10-29T01:06:31Z")
I just finished my first game and packaged it for Windows 64-bit, but when I open the packaged game it doesn’t play any audio. I looked in the output log for any errors/warnings related to the audio and found this: LogA… --- ## [How to do ingame a UMG blueprint that lets select external MP3 to play?](https://forums.unrealengine.com/t/how-to-do-ingame-a-umg-blueprint-that-lets-select-external-mp3-to-play/117762)
**Author:** [@Slowman](https://forums.unrealengine.com/u/Slowman)\ **Replies:** 1\ **Last updated:** [October 24, 2018, 10:49am UTC](https://forums.unrealengine.com/t/how-to-do-ingame-a-umg-blueprint-that-lets-select-external-mp3-to-play/117762 "2018-10-24T10:49:17Z")
Greetings! I am trying to do in blueprint a UMG, that will let the user select external music files “Mp3 or music cd”, but have not been able to do it! Where can I find info. on the subject, or can someone please give-m… --- ## [Steam Audio Occlusion with custom mesh](https://forums.unrealengine.com/t/steam-audio-occlusion-with-custom-mesh/436209)
**Author:** [@anonymous\_user\_3b34b0fd1](https://forums.unrealengine.com/u/anonymous_user_3b34b0fd1)\ **Replies:** 1\ **Last updated:** [October 23, 2018, 4:54pm UTC](https://forums.unrealengine.com/t/steam-audio-occlusion-with-custom-mesh/436209 "2018-10-23T16:54:49Z")
The whole plugin works fine when using it with the basic cubes or spheres or any default shape, but when i try to import anyother mesh and apply the “phonon geometry” component it tells me 0 verts and 0 triangles. Didnt … --- ## [\[Feature Request\] Material editor loops](https://forums.unrealengine.com/t/feature-request-material-editor-loops/366633)
**Author:** [@SFtheWolf](https://forums.unrealengine.com/u/SFtheWolf)\ **Replies:** 13\ **Last updated:** [October 22, 2018, 11:30pm UTC](https://forums.unrealengine.com/t/feature-request-material-editor-loops/366633 "2018-10-22T23:30:42Z")
I’ve seen this discussed a lot but I’m surprised I couldn’t find a formal request. It’d be extremely useful to have while and for loops in the form of native material editor nodes. It would eliminate the need for custom … --- ## [Problem with Audio Occlusion and Resonance plugin on 4.19.2](https://forums.unrealengine.com/t/problem-with-audio-occlusion-and-resonance-plugin-on-4-19-2/110952)
**Author:** [@Hecan](https://forums.unrealengine.com/u/Hecan)\ **Replies:** 3\ **Last updated:** [October 22, 2018, 9:54pm UTC](https://forums.unrealengine.com/t/problem-with-audio-occlusion-and-resonance-plugin-on-4-19-2/110952 "2018-10-22T21:54:06Z")
Hi. I’m currently trying to develop a game using the Resonance Plugin from Google and I hit a barrier. When I get to the point of selecting the plugin for audio occlusion it doesn’t appear. The quirky thing is that it ha… [Previous page](https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=98) [Next page](https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=100)