# Audio

**URL:** https://forums.unrealengine.com/c/development-discussion/audio/42.md?page=82

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**Page:** 83

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## [play sound by file name](https://forums.unrealengine.com/t/play-sound-by-file-name/460581)

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**Author:** [@anonymous\_user\_4116411d](https://forums.unrealengine.com/u/anonymous_user_4116411d)\
**Replies:** 0\
**Last updated:** [January 14, 2020, 8:24pm UTC](https://forums.unrealengine.com/t/play-sound-by-file-name/460581 "2020-01-14T20:24:28Z")

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is it possible to play(or get the reference of) a sound by it’s path/fileName? i have an array of strings and i want to play a sound based on an index of the array

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## [Is it a fee to use Unreal's audio plugin? Is it free?](https://forums.unrealengine.com/t/is-it-a-fee-to-use-unreals-audio-plugin-is-it-free/222269)

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**Author:** [@orangeboy](https://forums.unrealengine.com/u/orangeboy)\
**Replies:** 0\
**Last updated:** [January 14, 2020, 3:38pm UTC](https://forums.unrealengine.com/t/is-it-a-fee-to-use-unreals-audio-plugin-is-it-free/222269 "2020-01-14T15:38:31Z")

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Is it a fee to use Unreal’s audio plugin? Is it free? There are two plugins I want to use. Steam Audio 2. Resonance Audio If you develop games using these plugins, Are there any additional costs at launch?

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## [Audio file duration Progress Bar and elapsed time](https://forums.unrealengine.com/t/audio-file-duration-progress-bar-and-elapsed-time/362793)

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**Author:** [@Joure](https://forums.unrealengine.com/u/Joure)\
**Replies:** 7\
**Last updated:** [January 14, 2020, 11:07am UTC](https://forums.unrealengine.com/t/audio-file-duration-progress-bar-and-elapsed-time/362793 "2020-01-14T11:07:36Z")

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Hey guys. I’m working on an in-game audio player for audio logs. I got the system set up so that it plays and stops the audio perfectly using an audio component. However I just cannot wrap my head around how to calculate…

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## [play sound by file name](https://forums.unrealengine.com/t/play-sound-by-file-name/460542)

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**Author:** [@anonymous\_user\_4116411d](https://forums.unrealengine.com/u/anonymous_user_4116411d)\
**Replies:** 0\
**Last updated:** [January 13, 2020, 11:56pm UTC](https://forums.unrealengine.com/t/play-sound-by-file-name/460542 "2020-01-13T23:56:54Z")

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is it possible to play(or get the reference of) a sound by sending the path/fileName as a parameter?

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## [Footstep system not working?](https://forums.unrealengine.com/t/footstep-system-not-working/222258)

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**Author:** [@Slabafs](https://forums.unrealengine.com/u/Slabafs)\
**Replies:** 0\
**Last updated:** [January 12, 2020, 7:35pm UTC](https://forums.unrealengine.com/t/footstep-system-not-working/222258 "2020-01-12T19:35:36Z")

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Hello, I am new here so I apologize if I’ve done something stupid or posted in the wrong forum. But basically I have implemented a footstep system (image below), and it works perfectly on my custom made map. However, tod…

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## [AI Hearing?](https://forums.unrealengine.com/t/ai-hearing/460442)

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**Author:** [@LightWeightUE4](https://forums.unrealengine.com/u/LightWeightUE4)\
**Replies:** 6\
**Last updated:** [January 12, 2020, 8:55am UTC](https://forums.unrealengine.com/t/ai-hearing/460442 "2020-01-12T08:55:47Z")

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So i’m making a game where an AI walks around and runs after the player if it see’s him, but i wanted to add something where the AI follows any sound that’s made near him, but i don’t know how to make it, Please Help!

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## [Am I understanding Sound Concurrency correctly?](https://forums.unrealengine.com/t/am-i-understanding-sound-concurrency-correctly/460416)

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**Author:** [@SebDevs](https://forums.unrealengine.com/u/SebDevs)\
**Replies:** 1\
**Last updated:** [January 11, 2020, 6:17am UTC](https://forums.unrealengine.com/t/am-i-understanding-sound-concurrency-correctly/460416 "2020-01-11T06:17:52Z")

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Hi! I really can’t find much \[official documentation\]\[1\] about the Sound Concurrency settings besides the tooltips so I just wanted to bounce with y’all if I’m understanding the settings right: Max Count: How many in…

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## [How to stop a playing audio by pressing a key](https://forums.unrealengine.com/t/how-to-stop-a-playing-audio-by-pressing-a-key/410633)

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**Author:** [@Sergeant\_Razer](https://forums.unrealengine.com/u/Sergeant_Razer)\
**Replies:** 3\
**Last updated:** [January 10, 2020, 10:18pm UTC](https://forums.unrealengine.com/t/how-to-stop-a-playing-audio-by-pressing-a-key/410633 "2020-01-10T22:18:54Z")

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Hello UE4 community! I got a little problem in my level (blueprint). I wrote a little and simple blueprint for an audio playing event. It looks like this: When I am standing in a triggerbox (called “TriggerJBL” in …

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## [SampleRate and NumChannels have value of 0 in Time Synth when you set your own Quantization Settings](https://forums.unrealengine.com/t/samplerate-and-numchannels-have-value-of-0-in-time-synth-when-you-set-your-own-quantization-settings/136147)

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**Author:** [@Blakeanator](https://forums.unrealengine.com/u/Blakeanator)\
**Replies:** 3\
**Last updated:** [January 10, 2020, 9:14pm UTC](https://forums.unrealengine.com/t/samplerate-and-numchannels-have-value-of-0-in-time-synth-when-you-set-your-own-quantization-settings/136147 "2020-01-10T21:14:32Z")

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Anyone else having this issue? When setting my own quantization settings, Sample Rate and Num Channels gets set to 0 (using default settings works just fine, with SampleRate at 48k and NumChannels at 2). Since the value …

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## [About the automatic test, how do I get the result of the sound is playing in the blueprint?](https://forums.unrealengine.com/t/about-the-automatic-test-how-do-i-get-the-result-of-the-sound-is-playing-in-the-blueprint/460211)

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**Author:** [@Rockcen](https://forums.unrealengine.com/u/Rockcen)\
**Replies:** 1\
**Last updated:** [January 10, 2020, 2:53pm UTC](https://forums.unrealengine.com/t/about-the-automatic-test-how-do-i-get-the-result-of-the-sound-is-playing-in-the-blueprint/460211 "2020-01-10T14:53:25Z")

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I’m new to the automatic test, Is there anyway I can know the result of the sound is playing right in the blueprint? like spawning hurt sound implemented in any damage event. Thank you!

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## [Android sounds are not reliable](https://forums.unrealengine.com/t/android-sounds-are-not-reliable/115433)

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**Author:** [@Naitguolf](https://forums.unrealengine.com/u/Naitguolf)\
**Replies:** 7\
**Last updated:** [January 10, 2020, 11:07am UTC](https://forums.unrealengine.com/t/android-sounds-are-not-reliable/115433 "2020-01-10T11:07:21Z")

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Hi! I am having some issues with the sound. For some reason, sometimes, the sounds are not played properly. When you click a button for example, the sound does not play. Looking at the android logs files, I saw the foll…

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## [Use TimeSynth for stable Weapon Fire Rate - different sounds, different attenuation presets?](https://forums.unrealengine.com/t/use-timesynth-for-stable-weapon-fire-rate-different-sounds-different-attenuation-presets/136227)

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**Author:** [@Megagoth1702](https://forums.unrealengine.com/u/Megagoth1702)\
**Replies:** 0\
**Last updated:** [January 10, 2020, 5:52am UTC](https://forums.unrealengine.com/t/use-timesynth-for-stable-weapon-fire-rate-different-sounds-different-attenuation-presets/136227 "2020-01-10T05:52:41Z")

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Hey fellas, still learning. So since timersare not accurate enoughI was thinking of TimeSynth to trigger sounds. But firstly - how! :smiley: I’m still new to all the new components. And secondly, the way I see it, sinc…

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## [How to playback 5.1 multichannel audio?](https://forums.unrealengine.com/t/how-to-playback-5-1-multichannel-audio/460379)

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**Author:** [@johnlevee](https://forums.unrealengine.com/u/johnlevee)\
**Replies:** 0\
**Last updated:** [January 10, 2020, 1:18am UTC](https://forums.unrealengine.com/t/how-to-playback-5-1-multichannel-audio/460379 "2020-01-10T01:18:53Z")

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I am having a lot of trouble getting multichannel audio to work. I am trying to create 5.1 surround sound in my game. I import the 5.1 files with the proper naming conventions (as defined in the documentation), and it cr…

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## [Can UE4 listen to audio being played on PC?](https://forums.unrealengine.com/t/can-ue4-listen-to-audio-being-played-on-pc/314615)

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**Author:** [@Aya](https://forums.unrealengine.com/u/Aya)\
**Replies:** 2\
**Last updated:** [January 8, 2020, 8:36am UTC](https://forums.unrealengine.com/t/can-ue4-listen-to-audio-being-played-on-pc/314615 "2020-01-08T08:36:08Z")

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A lot of audio visualizers do this so that you won’t have to recreate playlists and whatever else in the visualizer instead of itunes etc. Is there a way for unreal to grab the audio being played on your PC; such as from…

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## [UE 4.19 native spatialization, how to use?](https://forums.unrealengine.com/t/ue-4-19-native-spatialization-how-to-use/107271)

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**Author:** [@anonymous\_user\_3f422bcf](https://forums.unrealengine.com/u/anonymous_user_3f422bcf)\
**Replies:** 40\
**Last updated:** [January 8, 2020, 3:41am UTC](https://forums.unrealengine.com/t/ue-4-19-native-spatialization-how-to-use/107271 "2020-01-08T03:41:32Z")

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Hi, we are trying to use the new UVoipTalker (available since UE 4.19) in order to have users’ voices spatialized. We’ve already modified some previous versions of the engine (until 4.18.3) to have the correct associati…

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## [hearing the sound while playing the level using steamVR "Display VR View"](https://forums.unrealengine.com/t/hearing-the-sound-while-playing-the-level-using-steamvr-display-vr-view/460252)

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**Author:** [@mayaalias](https://forums.unrealengine.com/u/mayaalias)\
**Replies:** 0\
**Last updated:** [January 6, 2020, 3:24pm UTC](https://forums.unrealengine.com/t/hearing-the-sound-while-playing-the-level-using-steamvr-display-vr-view/460252 "2020-01-06T15:24:35Z")

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Hi, I need to click on the “Display VR View” window to make it full screen to let other people see what I am playing, but when I enlarge the “Display VR View”, the HTC Vive headset just loss the sound, I know this is th…

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## [hearing the sound while playing the level using steamVR "Display VR View"](https://forums.unrealengine.com/t/hearing-the-sound-while-playing-the-level-using-steamvr-display-vr-view/136004)

<div class="topic-metadata">

**Author:** [@mayaalias](https://forums.unrealengine.com/u/mayaalias)\
**Replies:** 0\
**Last updated:** [January 6, 2020, 3:17pm UTC](https://forums.unrealengine.com/t/hearing-the-sound-while-playing-the-level-using-steamvr-display-vr-view/136004 "2020-01-06T15:17:22Z")

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Hi, I need to click on the “Display VR View” window to make it full screen to let other people see what I am playing, but when I enlarge the “Display VR View”, the HTC Vive headset just loss the sound, I know this is th…

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## [Mobile audio messed up after packaging](https://forums.unrealengine.com/t/mobile-audio-messed-up-after-packaging/460246)

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**Author:** [@Turnroot](https://forums.unrealengine.com/u/Turnroot)\
**Replies:** 0\
**Last updated:** [January 6, 2020, 11:37am UTC](https://forums.unrealengine.com/t/mobile-audio-messed-up-after-packaging/460246 "2020-01-06T11:37:25Z")

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In editor the sound files playing fine at the moment they should but after packaging and testing on the test devices the sound files are playing for like one second right and after that are messed up (sound like they are…

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## [General signal flow overview?](https://forums.unrealengine.com/t/general-signal-flow-overview/135971)

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**Author:** [@Megagoth1702](https://forums.unrealengine.com/u/Megagoth1702)\
**Replies:** 1\
**Last updated:** [January 6, 2020, 6:42am UTC](https://forums.unrealengine.com/t/general-signal-flow-overview/135971 "2020-01-06T06:42:26Z")

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Hey guys, working my way into UEaudio. A few questions: Is the new sound mixer architecture enabled by default? (Using 4.24.1) Or do I still need to enable it in the .ini file? Using submixes etc. I seem to have nice…

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## [I'd love to collaborate with you! --- interested? Here's a free (cc-by) musical gift!!](https://forums.unrealengine.com/t/id-love-to-collaborate-with-you-interested-heres-a-free-cc-by-musical-gift/135861)

<div class="topic-metadata">

**Author:** [@kercher.music](https://forums.unrealengine.com/u/kercher.music)\
**Replies:** 0\
**Last updated:** [January 3, 2020, 7:21pm UTC](https://forums.unrealengine.com/t/id-love-to-collaborate-with-you-interested-heres-a-free-cc-by-musical-gift/135861 "2020-01-03T19:21:49Z")

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New FREE (CC-BY) album of Early 3D/Post-Chiptunes/1990s-2000s VGM loops! Find it on Bandcamp here: Low-Poly Loops · Volume One: Rowdy Romplers | …

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## [Hey, Is there anyway I can input my audio signal from my audio interface?](https://forums.unrealengine.com/t/hey-is-there-anyway-i-can-input-my-audio-signal-from-my-audio-interface/105171)

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**Author:** [@anonymous\_user\_17d18af1](https://forums.unrealengine.com/u/anonymous_user_17d18af1)\
**Replies:** 16\
**Last updated:** [January 2, 2020, 10:49pm UTC](https://forums.unrealengine.com/t/hey-is-there-anyway-i-can-input-my-audio-signal-from-my-audio-interface/105171 "2020-01-02T22:49:15Z")

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Hey, Is there anyway I can input my audio signal from my audio interface or builtin mic?

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## [Solved: Some sounds are not playing in the build?](https://forums.unrealengine.com/t/solved-some-sounds-are-not-playing-in-the-build/460113)

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**Author:** [@Morhol](https://forums.unrealengine.com/u/Morhol)\
**Replies:** 0\
**Last updated:** [January 2, 2020, 12:32pm UTC](https://forums.unrealengine.com/t/solved-some-sounds-are-not-playing-in-the-build/460113 "2020-01-02T12:32:32Z")

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Hi, I just ran into a strange issue regarding my packaged game. Everything works fine in editor, but in the build the footstep-sounds and the jump-sound of the player character are not playing. Footsteps of AI are playin…

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## [Sound cue attenuation settings not working (Need Help)](https://forums.unrealengine.com/t/sound-cue-attenuation-settings-not-working-need-help/130839)

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**Author:** [@DVS\_Dredd](https://forums.unrealengine.com/u/DVS_Dredd)\
**Replies:** 2\
**Last updated:** [December 31, 2019, 2:58pm UTC](https://forums.unrealengine.com/t/sound-cue-attenuation-settings-not-working-need-help/130839 "2019-12-31T14:58:58Z")

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So I’m using engine v4.21 and when I put a sound cue into my level it doesn’t have the attenuation settings. So it’s not reading the fall off and center volumes. I tried using the override and creating an attenuation set…

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## [Audio files from dedicated server to client on demand](https://forums.unrealengine.com/t/audio-files-from-dedicated-server-to-client-on-demand/135613)

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**Author:** [@Talad](https://forums.unrealengine.com/u/Talad)\
**Replies:** 0\
**Last updated:** [December 29, 2019, 12:39am UTC](https://forums.unrealengine.com/t/audio-files-from-dedicated-server-to-client-on-demand/135613 "2019-12-29T00:39:19Z")

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Hi, I’m making an MMO and all dialogues are stored as text server side in the database, so the player cannot just look at the dialogues and figure out the solution of quests, or get information about the next ones. The d…

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## [Jump end different sound](https://forums.unrealengine.com/t/jump-end-different-sound/222170)

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**Author:** [@Head69100](https://forums.unrealengine.com/u/Head69100)\
**Replies:** 0\
**Last updated:** [December 28, 2019, 5:54pm UTC](https://forums.unrealengine.com/t/jump-end-different-sound/222170 "2019-12-28T17:54:40Z")

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Hello everybody i already find how to have sound on footstep on different physics but i make the same flowgraph for jump end and I hear nothing that’s normal ?

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## [Various audio formats support on Linux](https://forums.unrealengine.com/t/various-audio-formats-support-on-linux/135514)

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**Author:** [@anonymous\_user\_e18b94b5](https://forums.unrealengine.com/u/anonymous_user_e18b94b5)\
**Replies:** 1\
**Last updated:** [December 27, 2019, 1:35pm UTC](https://forums.unrealengine.com/t/various-audio-formats-support-on-linux/135514 "2019-12-27T13:35:34Z")

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Hello I’ve been investigating something for a few days now with no avail. Specifically the .ogg and .flac audio file extensions support in Unreal Engine 4. UE4.22 feature notes clearly state that support for these forma…

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## [\[4.24\]SynthComponent fails to compile in empty project+](https://forums.unrealengine.com/t/4-24-synthcomponent-fails-to-compile-in-empty-project/459605)

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**Author:** [@jeremycouillard](https://forums.unrealengine.com/u/jeremycouillard)\
**Replies:** 4\
**Last updated:** [December 19, 2019, 3:20pm UTC](https://forums.unrealengine.com/t/4-24-synthcomponent-fails-to-compile-in-empty-project/459605 "2019-12-19T15:20:24Z")

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Tested on 2 different computers with UE4 and VS 2017 15.9.18 Make a new blank C++ project Add a new C++ class Select SynthComponent Name it default…MySynthComponent First a popup says it failed to hot reload the pro…

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## [how do I make it s that when my character increases speed, the footsep noise changes?](https://forums.unrealengine.com/t/how-do-i-make-it-s-that-when-my-character-increases-speed-the-footsep-noise-changes/459602)

<div class="topic-metadata">

**Author:** [@anonymous\_user\_322725ac](https://forums.unrealengine.com/u/anonymous_user_322725ac)\
**Replies:** 1\
**Last updated:** [December 17, 2019, 12:04am UTC](https://forums.unrealengine.com/t/how-do-i-make-it-s-that-when-my-character-increases-speed-the-footsep-noise-changes/459602 "2019-12-17T00:04:39Z")

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In my game I want the Foley of the character to change when their speed increases. when the player starts to sprint I want It so the sound changes for example: footsteps are louder and sharper, you can hear the movement …

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## [Android mobile etc1 sound is not working when packaged](https://forums.unrealengine.com/t/android-mobile-etc1-sound-is-not-working-when-packaged/459517)

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**Author:** [@anonymous\_user\_868ad18b](https://forums.unrealengine.com/u/anonymous_user_868ad18b)\
**Replies:** 2\
**Last updated:** [December 16, 2019, 12:21pm UTC](https://forums.unrealengine.com/t/android-mobile-etc1-sound-is-not-working-when-packaged/459517 "2019-12-16T12:21:40Z")

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Hi, so I have been trying to package my game into the android platform ETC1 and the sound is not playing. The wav file is 16 bit and there is no audio when the game is packaged. Please let me know is it the version of ue…

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## [Music repeats playning from begining](https://forums.unrealengine.com/t/music-repeats-playning-from-begining/135053)

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**Author:** [@slycrespo2](https://forums.unrealengine.com/u/slycrespo2)\
**Replies:** 2\
**Last updated:** [December 16, 2019, 8:54am UTC](https://forums.unrealengine.com/t/music-repeats-playning-from-begining/135053 "2019-12-16T08:54:38Z")

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Hello! In my First person game, I want to have some music playing at some object (radio player). The problem is, that when I (in game) come closer to the object and go away, music always starts from begining. I don’t wa…

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