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Low-level audio API for Android - Stack Overflow
https://stackoverflow.com/questions/3436938/low-level-audio-api-for-android
Low-level audio API for Android. Ask Question Asked 11 years, 5 months ago. ... for some way in Android to play in-memory audio in a manner analogous to the waveOutOpen family of methods in Windows programming. The waveOut ... the Android audio API lets an application play a file from local storage or a URL, or from a memory stream. ...
Android Audio - Xamarin | Microsoft Docs
https://docs.microsoft.com/en-us/xamarin/android/app-fundamentals/android-audio
The AudioTrack class uses the low-level audio APIs for recording, and is the low-level equivalent of the MediaPlayer class. Initializing and Playing. To play audio, a new instance of AudioTrack must be instantiated. The argument list passed into the constructor specifies how to play the audio sample contained in the buffer. The arguments are:
What Developers Can and Cannot Do to Lower Android …
https://superpowered.com/android-audio-low-latency-primer
Audio latency in Android User Space This includes the Android app itself, application frameworks, and 3rd party and native API and libraries such as OpenSL ES. Developers can should remember low latency best practices in Android app programming logic such as: Do not do any audio processing in Java. Keep all audio processing in C++.
Low Level Android Programming with AIDL, NDK and JNI ...
https://training.gbdirect.co.uk/courses/android-programming/low-level-android-programming-with-aidl-ndk-and-jni.html
Low Level Android Programming with AIDL, NDK and JNI — A 5 day course. This course covers techniques for extending the functionality of the Android platform via the Android NDK and Android IDL APIs. It explores techniques for accessing the underlying hardware and services available on an Android platform and also covers the building of custom ...
How to play audio file in Android | en.proft.me
https://en.proft.me/2018/05/8/how-play-audio-file-android/
In summary, MediaPlayer is the good general-purpose class to play a file, SoundPool is well suited for short audio effects, and AudioTrack lets you get into the low-level audio configurations. OPEN SL ES was included in Android starting at version 2.3. AudioTrack and AudioRecord APIs make use of OPEN SL ES.
C++ Audio Library Options (2018) - Superpowered
https://superpowered.com/audio-library-list
Low Latency, Real-time Audio Processing. Audio processing is a real-time process in which developers have to perform complex DSP transformations in a few milliseconds to queue up the audio stream in the buffer. Superpowered offers the lowest latency audio processing on mobile devices, faster than OpenSL ES, Core Audio or vDSP/Accelerate. 3.
Android Architecture: Application Layers, Framework, Component
https://www.guru99.com/android-architecture.html
The Application Framework developers work on developer experience and don’t have to worry about the low-level drivers. Low-level system engineers can focus completely on low-level components such as Bluetooth or Audio drivers and the like. Android’s layered structure makes it possible to apply updates with bug fixes or improvements to each layer on its own. …
Handling changes in audio output | Android Developers
https://developer.android.com/guide/topics/media-apps/volume-and-earphones
Android uses separate audio streams for playing music, alarms, notifications, the incoming call ringer, system sounds, in-call volume, and DTMF tones. This allows users to control the volume of each stream independently. By default, pressing the volume control modifies the volume of the active audio stream.
Bluetooth Low Energy - Android Developers
https://developer.android.com/guide/topics/connectivity/bluetooth/ble-overview
Review the Android BluetoothLeGatt sample on GitHub to learn more. Profiles The Bluetooth SIG defines many profiles for BLE devices. A profile is a specification for how a device works in a particular application. Note that a device can implement more than one profile. For example, a device could contain a heart rate monitor and a battery level ...
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