FX sound delay under Android

rnodal · February 2014

Hi.

I'm having an issue with Android and playing a simple sound effect. There is a noticeable delay from the time you press the screen and when the fx sound plays. Another thing that happens is that when you press it multiple times there is almost like an echo.

I am aware of the sound delays in Android but I have played other games and I cannot same the same about them.

In specific if I play "Flappy Bird" there is no delay.

Any input would be welcomed.

Thank you.

petec · February 2014

If you are using mp3 files they will lag. wav files respond much more quickly for short fx.
Explanation is here: http://members.giderosmobile.com/knowledgebase.php?action=displayarticle&id=44
The echo is probably because you are firing the same fx several times, so you have several instances playing together but slightly after each other.

rnodal · February 2014

@petec Thank you very much for your answer.

I'm using wav files and very simple, short sounds effects.

I there anything else that I could do to reduce the delay and the echo?

Thank you.

incipient · February 2014

Try playing only one sound and see if there is an echo. I have used sound effects a lot together and had no echo - I was using MP3 files but.

Try testing on a real device with sound. I have found sound on the emulator can be a bit delayed/different.

ar2rsawseen · February 2014

@rnodal you can create Sound object on the start of the app
And then only play them when needed:

https://github.com/ar2rsawseen/GameTemplate/blob/master/classes/Sounds.lua

SinisterSoft · February 2014

I just preload them at the beginning as ar2rsawseen says. But I still notice a slight delay, I thought this was a general android problem though? Or is it a sound library problem?

rnodal · February 2014

Just a few updates.

I'm testing directly in the device (Moto X, Android 4.4).

Most of the time I use the Android player and sometimes I use the exported project for Eclipse.

In both cases I get the same result.

I will use the suggested approach.

But what I'm currently doing is that when the player touches the screen I play a sound (short fx sound, wav format).

I tried checking for the time difference between presses and if it was too small I will not play the sound but it resulted in touches with no sound played but it was expected and it felt weird.

Thank you all for your help.

I will provide more details ASAP.

rnodal · February 2014

Unfortunately using the suggested code did not help with the delay.

Thank you all.

SinisterSoft · February 2014

I think at one point the sound library was going to be swapped for a faster one with less latency? (unless that already happened and I didn't notice).

It's been mentioned before...

http://giderosmobile.com/forum/discussion/1117/sound-wav-playback-latency-on-android-mainly-samsung-devices-/p1

ar2rsawseen · February 2014

I actually have not seen much of delay on android, but maybe I'm not picky enough.

Anyway, as we are moving to the new sound engine, which will use soundbanks, the performance should be greater, although do not want to promise much before preliminary tests

rnodal · February 2014

Sounds good and thank you everyone.

Tom2012 · November 2014

Sorry to resurrect an old thread, but has anyone else found this problem, or a solution for it?

I'm experiencing latency on Android (kitkat 4.4)

wav sound FX have a noticeable delay...

Thanks

Tom2012 · November 2014

As an update to this, for smaller sound FX, I'm finding mp3 can have a smaller delay than wav. Will test more later.

Ninjadoodle · October 2015

Hi guys I know its 2015 now, but is there any update to this?

I'm noticing a delay on my Galaxy S3.

I'm playing a simple 'click' sound effect (wav).

Any way to prevent this?

SinisterSoft · October 2015

Not at present. A change to a different (more direct) sound lib for Android is on the todo list I think.

jeromegsq · October 2015

Maybe, with the wav files you can also reduce the 32bits ton 24bits or 16bits.
Also you can choose 44100Hz to 22050Hz.
It will reduce the size of the wav but also the quality.

I'm not sure but I think it could be good to test if it decrease the latency

Redpicman · October 2015

I know in corona you can use the android media libary to play sounds, but to be honest, there was still a delay even with that. Until google sorts this out we may be stuck with delays.

SinisterSoft · October 2015

There is an 'embedded' version of the audio lib that is supposed to fix the problem on modern Android devices... OpenSL ES:

https://source.android.com/devices/audio/latency_design.html

imho we should move to this maybe on Android?

totebo · October 2015

Like the sound of that @SinisterSoft. How do we test?

SinisterSoft · October 2015

First the existing sound lib needs to be replaced...

Tom2012 · October 2015

Very interested in this. I get lag on my game on android devices too.

SinisterSoft · October 2015

Take a look here and +1 the suggestion then...

https://github.com/gideros/gideros/issues/113

SinisterSoft · August 2016

http://giderosmobile.com/forum/discussion/6630/android-froyo-vs-opensl-es-#Item_2

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