# Audio **URL:** https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=92 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 93 --- ## [Audio track in sub-sequences not playing back when triggering master track- still using 4.21](https://forums.unrealengine.com/t/audio-track-in-sub-sequences-not-playing-back-when-triggering-master-track-still-using-4-21/125426)
**Author:** [@anonymous\_user\_66eef4cc](https://forums.unrealengine.com/u/anonymous_user_66eef4cc)\ **Replies:** 2\ **Last updated:** [April 26, 2019, 2:37pm UTC](https://forums.unrealengine.com/t/audio-track-in-sub-sequences-not-playing-back-when-triggering-master-track-still-using-4-21/125426 "2019-04-26T14:37:41Z")
We set up two subsequences w/ audio tracks in them to be part of a master sequence. The subsequences play audio on their own as expected but not when they are triggered by the master seq. This setup makes so much sense. … --- ## [How do you mute ALL audio on multiple levels?](https://forums.unrealengine.com/t/how-do-you-mute-all-audio-on-multiple-levels/447868)
**Author:** [@Etheranda](https://forums.unrealengine.com/u/Etheranda)\ **Replies:** 1\ **Last updated:** [April 26, 2019, 7:17am UTC](https://forums.unrealengine.com/t/how-do-you-mute-all-audio-on-multiple-levels/447868 "2019-04-26T07:17:50Z")
Hello, I’m looking for a simple way to mute audio/music on every single level in my game. My Main Menu level has an ‘options’ section where the 2 buttons are to control the audio (on and off). The second level is the l… --- ## [\[HELP\] Realtime Application of High Pass and EQ](https://forums.unrealengine.com/t/help-realtime-application-of-high-pass-and-eq/125436)
**Author:** [@RealAero](https://forums.unrealengine.com/u/RealAero)\ **Replies:** 0\ **Last updated:** [April 26, 2019, 3:44am UTC](https://forums.unrealengine.com/t/help-realtime-application-of-high-pass-and-eq/125436 "2019-04-26T03:44:01Z")
Hey there Unreal team, devs, and friends. I have a long-time project I have been working on that I finally have time to work on again. They are virtual CDJs, which are the well-known club and festival standard of DJ eq… --- ## [How to start / stop sound and make sound emit from an actor](https://forums.unrealengine.com/t/how-to-start-stop-sound-and-make-sound-emit-from-an-actor/125320)
**Author:** [@anonymous\_user\_20bff46b1](https://forums.unrealengine.com/u/anonymous_user_20bff46b1)\ **Replies:** 1\ **Last updated:** [April 25, 2019, 11:38pm UTC](https://forums.unrealengine.com/t/how-to-start-stop-sound-and-make-sound-emit-from-an-actor/125320 "2019-04-25T23:38:51Z")
How to start/stop sound and make sound emit from an actor? I made a cue and I tried making it a variable in the enemy actor bp, and if I use the node, PlaySoundAtLocation, it does not play at the location and there is no… --- ## [Setting up a step sequencer on the audio thread](https://forums.unrealengine.com/t/setting-up-a-step-sequencer-on-the-audio-thread/125272)
**Author:** [@anonymous\_user\_4f1323161](https://forums.unrealengine.com/u/anonymous_user_4f1323161)\ **Replies:** 3\ **Last updated:** [April 25, 2019, 8:12pm UTC](https://forums.unrealengine.com/t/setting-up-a-step-sequencer-on-the-audio-thread/125272 "2019-04-25T20:12:04Z")
I’ve set up a project with a synth and a sample player, and I created a step sequencer class that triggers notes. Currently, I’m running the step sequencer on the game thread and accumulating the delta time to trigger no… --- ## [Make Random Stream Not Random (Blueprint issue?)](https://forums.unrealengine.com/t/make-random-stream-not-random-blueprint-issue/447802)
**Author:** [@SuperfuntimesV](https://forums.unrealengine.com/u/SuperfuntimesV)\ **Replies:** 5\ **Last updated:** [April 25, 2019, 3:30pm UTC](https://forums.unrealengine.com/t/make-random-stream-not-random-blueprint-issue/447802 "2019-04-25T15:30:40Z")
Hi everyone, I’m basically making a creaking board sound for an attic, and it occurred to me that I could have it randomly play in a part of the attic ceiling at random times, so that you’d hear the sound from different… --- ## [Getting audio from WebBrowser.](https://forums.unrealengine.com/t/getting-audio-from-webbrowser/99118)
**Author:** [@RealAero](https://forums.unrealengine.com/u/RealAero)\ **Replies:** 1\ **Last updated:** [April 25, 2019, 2:04pm UTC](https://forums.unrealengine.com/t/getting-audio-from-webbrowser/99118 "2019-04-25T14:04:02Z")
Is there a way to get the audio from a web browser to come out of an audio component rather than streaming out of the main audio out? Thanks! --- ## [Procedural Sound Wave playback issues upgrading to new Audio Mixer](https://forums.unrealengine.com/t/procedural-sound-wave-playback-issues-upgrading-to-new-audio-mixer/125389)
**Author:** [@kamrann](https://forums.unrealengine.com/u/kamrann)\ **Replies:** 0\ **Last updated:** [April 25, 2019, 9:07am UTC](https://forums.unrealengine.com/t/procedural-sound-wave-playback-issues-upgrading-to-new-audio-mixer/125389 "2019-04-25T09:07:42Z")
We’re updating our plugin to work with the audio mixer, and hit a problem with procedural sound waves not rendering beyond the first buffer. It seems that setting bLooping to true is necessary for USoundWaveProcedural-de… --- ## [Weapon swishing sounds...](https://forums.unrealengine.com/t/weapon-swishing-sounds/125293)
**Author:** [@mjbn77](https://forums.unrealengine.com/u/mjbn77)\ **Replies:** 1\ **Last updated:** [April 23, 2019, 6:53pm UTC](https://forums.unrealengine.com/t/weapon-swishing-sounds/125293 "2019-04-23T18:53:12Z")
Hi, I am currently looking for some weapons swishing sounds…the noise a swinging sword or axe is making if its swinging through the air without hitting a target. I bought a sound pack with melee weapons sounds but it onl… --- ## [Synthesis Engine](https://forums.unrealengine.com/t/synthesis-engine/447725)
**Author:** [@anonymous\_user\_0033f0b3](https://forums.unrealengine.com/u/anonymous_user_0033f0b3)\ **Replies:** 0\ **Last updated:** [April 23, 2019, 6:10pm UTC](https://forums.unrealengine.com/t/synthesis-engine/447725 "2019-04-23T18:10:03Z")
At GTC 2019 some of the new 4.22 audio engine tech was previewed. Near the end there was a veiled allusion to the integration of a full blown synthesis engine into future versions of Unreal. Pure Data perhaps? Am I warm? … --- ## [How to make sound not distorted by Game Thread bottleneck?](https://forums.unrealengine.com/t/how-to-make-sound-not-distorted-by-game-thread-bottleneck/447653)
**Author:** [@anonymous\_user\_ccf720dd](https://forums.unrealengine.com/u/anonymous_user_ccf720dd)\ **Replies:** 0\ **Last updated:** [April 22, 2019, 5:57pm UTC](https://forums.unrealengine.com/t/how-to-make-sound-not-distorted-by-game-thread-bottleneck/447653 "2019-04-22T17:57:41Z")
Hi, Sometimes it’s not possible to avoid performing a heavy operation in the Game Thread that takes 50-100ms to complete in a context in which the visual stall is not perceptible (e.g. in a menu). That’s fine. The probl… --- ## [Infinite spawn loop](https://forums.unrealengine.com/t/infinite-spawn-loop/447539)
**Author:** [@anonymous\_user\_8d4cc9581](https://forums.unrealengine.com/u/anonymous_user_8d4cc9581)\ **Replies:** 1\ **Last updated:** [April 20, 2019, 2:45pm UTC](https://forums.unrealengine.com/t/infinite-spawn-loop/447539 "2019-04-20T14:45:49Z")
Hi, i followed couple tutorials on how to create simple checkpoint system, with respawn after death. It worked flawlessly. I havent touched it since, and moved to level design of my small project. Today i have issues wit… --- ## [Sound from Media Player Crackling when starting playback](https://forums.unrealengine.com/t/sound-from-media-player-crackling-when-starting-playback/220343)
**Author:** [@Jaytheway](https://forums.unrealengine.com/u/Jaytheway)\ **Replies:** 0\ **Last updated:** [April 20, 2019, 2:34pm UTC](https://forums.unrealengine.com/t/sound-from-media-player-crackling-when-starting-playback/220343 "2019-04-20T14:34:28Z")
Unreal Engine 4.22 The gist of the issue: I’ve set up Media Player to playback files from disc. When I start playback, and sometimes when I pause it, it crackles a little bit. Here’s the video: Dropbox - sound cracklin… --- ## [Real-time Onset Detection using Spectral Difference and Linear Prediction.](https://forums.unrealengine.com/t/real-time-onset-detection-using-spectral-difference-and-linear-prediction/111044)
**Author:** [@mountainking](https://forums.unrealengine.com/u/mountainking)\ **Replies:** 8\ **Last updated:** [April 19, 2019, 11:15am UTC](https://forums.unrealengine.com/t/real-time-onset-detection-using-spectral-difference-and-linear-prediction/111044 "2019-04-19T11:15:01Z")
Real-time Onset Detection in Unreal Engine 4! My algorithm uses Fast-Fourier-Transforms (FFT) to analyse the frequency spectrum of the input audio signal. It detects so called ‘onsets’, somewhat similar to the ‘beat’ yo… --- ## [A game is lag when play in standalone mode. But play smoothly in new editor pie](https://forums.unrealengine.com/t/a-game-is-lag-when-play-in-standalone-mode-but-play-smoothly-in-new-editor-pie/447194)
**Author:** [@skydashstudio](https://forums.unrealengine.com/u/skydashstudio)\ **Replies:** 0\ **Last updated:** [April 13, 2019, 9:15pm UTC](https://forums.unrealengine.com/t/a-game-is-lag-when-play-in-standalone-mode-but-play-smoothly-in-new-editor-pie/447194 "2019-04-13T21:15:29Z")
Sound are loaded partially in a first minute of game. All sound burst at 02:03 Bullets from green jellyfishes are not spawned. But when I play in editor pie, all sound play correctly. I copied a project … --- ## [Can we attach two independent footstep triggers under a character’s feet?](https://forums.unrealengine.com/t/can-we-attach-two-independent-footstep-triggers-under-a-character-s-feet/124818)
**Author:** [@system](https://forums.unrealengine.com/u/system)\ **Replies:** 0\ **Last updated:** [April 11, 2019, 3:15pm UTC](https://forums.unrealengine.com/t/can-we-attach-two-independent-footstep-triggers-under-a-character-s-feet/124818 "2019-04-11T15:15:15Z")
A footstep has two basic sounds, the landing, and then the scraping, or release when lifting the foot. Could one cut each footstep sound in half and apply the appropriate ones via some blueprint pipeline? Imagine fx land… --- ## [Concurrency rules beyond the global channel limit](https://forums.unrealengine.com/t/concurrency-rules-beyond-the-global-channel-limit/124791)
**Author:** [@Friend\_of\_Ants](https://forums.unrealengine.com/u/Friend_of_Ants)\ **Replies:** 0\ **Last updated:** [April 10, 2019, 11:29pm UTC](https://forums.unrealengine.com/t/concurrency-rules-beyond-the-global-channel-limit/124791 "2019-04-10T23:29:29Z")
I have a project set up to use 32 channels. I have partitioned my concurrency groups accordingly so they add up to 32 and never need to interact. However, if I want to offer a 16 channel audio setting for the user, or … --- ## [Switching to USB headphones seems to stop currently playing sounds](https://forums.unrealengine.com/t/switching-to-usb-headphones-seems-to-stop-currently-playing-sounds/124306)
**Author:** [@Friend\_of\_Ants](https://forums.unrealengine.com/u/Friend_of_Ants)\ **Replies:** 3\ **Last updated:** [April 10, 2019, 11:19pm UTC](https://forums.unrealengine.com/t/switching-to-usb-headphones-seems-to-stop-currently-playing-sounds/124306 "2019-04-10T23:19:37Z")
I don’t know whether or not this is by design but if I change my audio output device during play, I loose any audio that was previously playing. The situation can be replicated by making a new project with the starter co… --- ## [Parallel Music in Paper2D? help.](https://forums.unrealengine.com/t/parallel-music-in-paper2d-help/446989)
**Author:** [@anonymous\_user\_16e9e6bd1](https://forums.unrealengine.com/u/anonymous_user_16e9e6bd1)\ **Replies:** 0\ **Last updated:** [April 10, 2019, 4:13pm UTC](https://forums.unrealengine.com/t/parallel-music-in-paper2d-help/446989 "2019-04-10T16:13:23Z")
Hiya, I’m creating a simple 2D side scroller using Paper2D in unreal for my final year research project at university. The concept is to create a game where you can compose music, by exploring different sections of the … --- ## [I do not use this Unreal Engine Launcher I want the link to download Universal Sound FX](https://forums.unrealengine.com/t/i-do-not-use-this-unreal-engine-launcher-i-want-the-link-to-download-universal-sound-fx/446917)
**Author:** [@anonymous\_user\_bd716c3f](https://forums.unrealengine.com/u/anonymous_user_bd716c3f)\ **Replies:** 1\ **Last updated:** [April 9, 2019, 3:12pm UTC](https://forums.unrealengine.com/t/i-do-not-use-this-unreal-engine-launcher-i-want-the-link-to-download-universal-sound-fx/446917 "2019-04-09T15:12:07Z")
I do not use this Unreal Engine Launcher I want the link to download Universal Sound FX --- ## [I bought Universal Sound FX, but I can not download it](https://forums.unrealengine.com/t/i-bought-universal-sound-fx-but-i-can-not-download-it/446857)
**Author:** [@anonymous\_user\_bd716c3f](https://forums.unrealengine.com/u/anonymous_user_bd716c3f)\ **Replies:** 1\ **Last updated:** [April 9, 2019, 2:06pm UTC](https://forums.unrealengine.com/t/i-bought-universal-sound-fx-but-i-can-not-download-it/446857 "2019-04-09T14:06:30Z")
I bought Universal Sound FX, but I can not download it You do not send me the link to download, from the library Universal Sound FX --- ## [The Quest for Workflow Optimizations](https://forums.unrealengine.com/t/the-quest-for-workflow-optimizations/124648)
**Author:** [@unit23](https://forums.unrealengine.com/u/unit23)\ **Replies:** 0\ **Last updated:** [April 8, 2019, 12:39am UTC](https://forums.unrealengine.com/t/the-quest-for-workflow-optimizations/124648 "2019-04-08T00:39:27Z")
When I begun with Unreal it was usually about obtaining content, adding it to the scene, and working on gameplay related blueprint code. However, as I approach the phase of releasing something finally I look at adding co… --- ## [How to downsample AudioCaptureComponent / Submix](https://forums.unrealengine.com/t/how-to-downsample-audiocapturecomponent-submix/446759)
**Author:** [@anonymous\_user\_da40699f](https://forums.unrealengine.com/u/anonymous_user_da40699f)\ **Replies:** 1\ **Last updated:** [April 6, 2019, 5:57pm UTC](https://forums.unrealengine.com/t/how-to-downsample-audiocapturecomponent-submix/446759 "2019-04-06T17:57:14Z")
I am using an AudioCaptureComponent to record a guitar in real time. Then I am using StartAnalyzingOutput and GetMagnitudeForFrequencies to get the spectrum. However as far as I understand the resolution of the spectrum … --- ## [How to loop a sound when using a single line trace?](https://forums.unrealengine.com/t/how-to-loop-a-sound-when-using-a-single-line-trace/446691)
**Author:** [@anonymous\_user\_9d11a5cf1](https://forums.unrealengine.com/u/anonymous_user_9d11a5cf1)\ **Replies:** 1\ **Last updated:** [April 6, 2019, 10:10am UTC](https://forums.unrealengine.com/t/how-to-loop-a-sound-when-using-a-single-line-trace/446691 "2019-04-06T10:10:40Z")
Hello I am trying to create a blueprint in which a single line trace (raycast) , Upon hitting an object (That has a certain type associated with it, such as floor, wall, object etc) will play a sound that then loops on … --- ## [Is it possible to change the audio output device dynamically at runtime with the new audio system?](https://forums.unrealengine.com/t/is-it-possible-to-change-the-audio-output-device-dynamically-at-runtime-with-the-new-audio-system/123556)
**Author:** [@Dtb49](https://forums.unrealengine.com/u/Dtb49)\ **Replies:** 1\ **Last updated:** [April 4, 2019, 1:41pm UTC](https://forums.unrealengine.com/t/is-it-possible-to-change-the-audio-output-device-dynamically-at-runtime-with-the-new-audio-system/123556 "2019-04-04T13:41:01Z")
I’ve been trying to create a project where the user can easily switch between Desktop mode and VR mode at runtime. I’ve been able install the new audio system in 4.21 through the .ini file but, I’ve had no luck in figuri… --- ## [Audio stuttering on Unreal Engine](https://forums.unrealengine.com/t/audio-stuttering-on-unreal-engine/446542)
**Author:** [@anonymous\_user\_fd447e9d](https://forums.unrealengine.com/u/anonymous_user_fd447e9d)\ **Replies:** 0\ **Last updated:** [April 3, 2019, 4:33pm UTC](https://forums.unrealengine.com/t/audio-stuttering-on-unreal-engine/446542 "2019-04-03T16:33:58Z")
4.18. Using Fmod to process audio, and using an ACER R15 laptop, audio is now stuttering when simulating, and this is only a recent occurrence. If I leave the simulation open for long enough the audio eventually smooths … --- ## [How to toggle sound on and off with the same triggerbox?](https://forums.unrealengine.com/t/how-to-toggle-sound-on-and-off-with-the-same-triggerbox/437202)
**Author:** [@PatrikLanderholm](https://forums.unrealengine.com/u/PatrikLanderholm)\ **Replies:** 6\ **Last updated:** [April 3, 2019, 1:17pm UTC](https://forums.unrealengine.com/t/how-to-toggle-sound-on-and-off-with-the-same-triggerbox/437202 "2019-04-03T13:17:16Z")
I´ve tried to solve this for some time now and most of the answers here is close but not quite there… :slight\_smile: What I want to do is: when I enter a triggerbox, start a sound and when I enter the same triggerbox st… --- ## [How to create a low cut/high pass filter in Unreal](https://forums.unrealengine.com/t/how-to-create-a-low-cut-high-pass-filter-in-unreal/124421)
**Author:** [@kitarraman](https://forums.unrealengine.com/u/kitarraman)\ **Replies:** 0\ **Last updated:** [April 3, 2019, 9:13am UTC](https://forums.unrealengine.com/t/how-to-create-a-low-cut-high-pass-filter-in-unreal/124421 "2019-04-03T09:13:13Z")
Hello everyone, I’ve been working on a sample project for quite some time now, I’ve almost layed every sound fx in the level and I’m almost ready to make a screen capture of the project and add it to my sound design show… --- ## [Play sounds in 2D locally and in 3D replicated?](https://forums.unrealengine.com/t/play-sounds-in-2d-locally-and-in-3d-replicated/446337)
**Author:** [@JayZone80](https://forums.unrealengine.com/u/JayZone80)\ **Replies:** 1\ **Last updated:** [March 31, 2019, 3:16pm UTC](https://forums.unrealengine.com/t/play-sounds-in-2d-locally-and-in-3d-replicated/446337 "2019-03-31T15:16:52Z")
Nevermind! I just found Non-Spatilized radius! :slight\_smile: --- ## [Crash: NumActiveAudioDevices == 0](https://forums.unrealengine.com/t/crash-numactiveaudiodevices-0/445329)
**Author:** [@anonymous\_user\_96bfbf95](https://forums.unrealengine.com/u/anonymous_user_96bfbf95)\ **Replies:** 8\ **Last updated:** [March 30, 2019, 5:33pm UTC](https://forums.unrealengine.com/t/crash-numactiveaudiodevices-0/445329 "2019-03-30T17:33:22Z")
For the past couple of days i’ve been getting this crash a lot while playing (only when playing not when developing). I’ve looked through the forums but couldn’t find anything on it, and i have no idea what the problem i… [Previous page](https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=91) [Next page](https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=93)