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Android Audio's 10 Millisecond Problem: The Android Audio ...
https://superpowered.com/androidaudiopathlatency#:~:text=As%20any%20musician%20will%20tell%20you%2C%20we%20as,of%20round-trip%20%28audio%20input%20to%20audio%20output%29%20latency.
Dave Sparks on Android audio latency at Google I/O 2011
http://www.rossbencina.com/code/dave-sparks-on-android-audio-latency-at-google-io-2011
Dave Sparks on Android audio latency at Google I/O 2011. This is old news but I just heard about it and thought it was worth posting for future reference. Over on the Andraudio list Robert Munro kindly pointed out that there was a question about the sad state of audio latency on Android at the Google I/O 2011 “Fireside Chat with the Android Team.”. The …
Android Developers Blog: An update on Android's audio latency
https://android-developers.googleblog.com/2021/03/an-update-on-androids-audio-latency.html
The latency introduced by tapping the touch screen is anywhere from 10-35ms, with 20ms being fairly typical on modern Android devices. To estimate tap-to-tone latency given round-trip latency, you can subtract the audio input latency (typically 5ms), and add the touch latency (typically 20ms). In other words, add 15ms to the round-trip latency.
Audio latency | Android NDK | Android Developers
https://developer.android.com/ndk/guides/audio/audio-latency
android.hardware.audio.low_latency indicates a continuous output latency of 45 ms or less. android.hardware.audio.pro indicates a continuous round-trip latency of 20 ms or less. The criteria for reporting these flags is defined in the CDD in sections 5.6 Audio Latency and 5.10 Professional Audio. Here’s how to check for these features in Java:
Android - how to reduce the audio latency
https://sseyod.blogspot.com/2011/12/android-how-to-reduce-audio-latency.html
App prepares the first 2 blocks, submits, and gets "block delivery" callbacks; it runs a separate thread to keep internal queues topped-up ready to deliver to the callbacks. With that sort of contract, every app can run at minimal latency dictated by the underlying audio device (through the driver layer), on any device.
Android Audio Latency Workarounds - Stack Overflow
https://stackoverflow.com/questions/4200406/android-audio-latency-workarounds
Android: sound API (deterministic, low latency) covers the tradeoffs pretty well. TL;DR: NDK gives you a minor benefit because the threads can run at higher priority, but this benefit is meaningless pre-Jellybean because the entire audio system is tuned for Java. The Galaxy Nexus running 4.1 can get fairly close to 30ms of output latency.
Google explains how Android audio latency has improved ...
https://9to5google.com/2021/03/05/google-android-audio-latency/
Google explains how Android audio latency has improved, and where it needs to go. Google today provided an update on the state of audio latency to encourage developers that “have been holding ...
Android Audio's 10 Millisecond Problem: The Android …
https://superpowered.com/androidaudiopathlatency
How Android's 10 Millisecond Problem and Android Audio Path Latency Impacts App Developers and Android OEMs. Even though music apps make up only 3% of all downloads in the iOS App Store, the Music app category is the 3rd highest revenue generating app category after Games and Social Networking. Which suggests that music apps monetize ...
Contributors to Audio Latency | Android Open Source …
https://source.android.com/devices/audio/latency/contrib
The shorter the latency the better, and anything over two milliseconds causes problems for audio. Long scheduling latency is most likely to occur during mode transitions, such as bringing up or shutting down a CPU, switching between a security kernel and the normal kernel, switching from full power to low-power mode, or adjusting the CPU clock ...
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