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Am I following the wrong trail?Īs an additional note, before someone mentions OpenSL ES, this article makes it quite clear that no improvements in latency should be expected from using it: Should I look into using libpd? It seems to me like it's the only chance I have of achieving lower latencies, but since I've always thought of PD as an audio synthesis utility, is it really suited for a project that just grabs frames from a network stream and plays them back? I'm not really doing any synthesizing. Should the changes be transparent to me, or is there some new class/API calls I should be implementing for me to notice any changes in my application? I'm using the AudioTrack API, and I'm not even sure if it should reap benefits from this improvement or if I should be looking into some other mechanism for audio playback. Where can I find more information on the new low-latency audio in Jellybean? This is all I can find but it's sorely lacking in specific information. I have 2 questions, directly related to those 2 statements: Low-latency audio can be achieved using libpd, which is Pure Data library for Android.

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Low-latency audio is available since Android 4.1/4.2 in certain devices. However, after reading around for a bit, I came upon this article, which states that: I'm guessing the difference stems from the well-known latency issues on Android. With a very similar buffering algorithm, I can achieve 90ms of latency on iOS, but a dreadful ☑80ms on Android. I have a video on a PC, and I'm transmitting the video's audio through RTP to a mobile client. But you will lose many conveniences that Unity provides including finger ID tracking, stationary state, etc.I'm currently attempting to minimize audio latency for a simple application: I made iOS Native Touch which can reduce this input latency. (Unlike audio, we just left the Unity one and use our native method) This is much more difficult as the path that Unity receives touch from Xcode project is almost hardwired and is not meant to be replaced easily.

With that still the latency is just about equal to Unity's 'Best Latency' (ant the sound cracks more too due to a low buffer size)

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In addition to setting the best file format, requires editing FMOD Unity's source code to use very low number of buffer size. I have compiled all of my findings in here :

On Android it uses AudioTrack, I confirmed it to be faster than SoundPool and no meaningful difference from C++ side OpneSL ES of NDK. It is faster than AVAudioPlayer, AudioToolbox, and SystemSound. There are various ways of playing audio at native side, here's my choice : I just made ( ) asset store plugins which can make a native call to both iOS and Android's fastest native way from one central interface. If that is not enough you can use native methods of each platform. You might want to have larger buffer size on Windows.

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As of today with this settings, it make a glitched sound on Windows build while on macOS, Android, iOS is completely fine. Project Setting > Audio > DSP Buffer Size > set it to Best Latency (small buffer size). Audio latency is one thing but input latency also indirectly increase the perceived audio latency. Your sound is a result of pressing a button. Your problem came from 2 things : Unity adds audio latency and ALSO input latency. I have researched much into ways to make the game the most responsive. Next, I am also developing a music game so I can feel your pain. (But still an improvement if you compared with Unity audio, since it interface with Android library.)

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You can still use a free Superpowered library, but it just provides general audio tasks without much improvement. But this is not going to work with normal Google Play distribution since everyone else have just a normal phone. If you order a hardware with modifications from them you could make a sick music application.

Imagine you want to build an interactive desk with Android inside.

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They run a business which you could order a custom android mods with their findings built in and that would work with their library. Their website is informative about audio latency but what's not obvious is that the most important thing that make it work is their special OEM audio server.

Hello, I have experience trying to setup Superpowered.

Superpowered latency test