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KitKat Feature Spotlight: Audio Tunneling To DSP ...
https://www.androidpolice.com/2013/10/31/kitkat-feature-spotlight-audio-tunneling-to-dsp-dramatically-reduces-battery-consumption-when-playing-audio/
KitKat Feature Spotlight: Audio Tunneling To DSP Dramatically Reduces Battery Consumption When Playing Audio By David Ruddock Published Oct 31, 2013 We all love listening to music on our phones.
Android KitKat | Android Developers
https://developer.android.com/about/versions/kitkat
KitKat streamlines every major component to reduce memory use and introduces new APIs and tools to help you create innovative, responsive, memory-efficient applications. OEMs building the next generation of Android devices can take advantage of targeted recommendations and options to run Android 4.4 efficiently, even on low-memory devices.
Cadence Tensilica HiFi Audio Tunneling for Android Cuts ...
https://ip.cadence.com/news/470/330/Cadence-Tensilica-HiFi-Audio-Tunneling-for-Android-Cuts-Audio-Processing-Power-by-Up-to-14X
The solution can cut audio processing power by up to 14X, which results in double the smartphone playback time. KitKat audio tunneling was developed based on input from the Low Power Android Consortium (LPAC), which was initially spearheaded by Tensilica, now a part of the Cadence IP Group.
Audio tunneling - The Spotify Community
https://community.spotify.com/t5/Android/Audio-tunneling/m-p/1378815
Audio tunneling on Android has been supported for ages now: https://developer.android.com/about/versions/kitkat.html#44-audio-tunneling When will you
Android KitKat | Android Developers
https://spot.pcc.edu/~mgoodman/developer.android.com/about/versions/kitkat.html
Audio Tunneling to DSP. For high-performance, lower-power audio playback, Android 4.4 adds platform support for audio tunneling to a digital signal processor (DSP) in the device chipset. With tunneling, audio decoding and output effects are off-loaded to the DSP, waking the application processor less often and using less battery.
DSP Tunneling Redefines Smartphone Audio - CEVA’s …
https://www.ceva-dsp.com/ourblog/dsp-tunneling-redefines-smartphone-audio/
Google began to support offloading multimedia tasks from the main CPU—usually a powerful ARM processor—to DSP in its KitKat or Android 4.4 version released a couple of years ago. Android introduced audio tunneling to DSP that offloaded audio to the AP on-chip DSP instead of using the CPU to decode audio or respond to audio output requests.
Android Audio Offload Explained at Mobile World Congress ...
https://community.cadence.com/cadence_blogs_8/b/ip/posts/android-audio-offload-explained-at-mobile-world-congress
The Tensilica® HiFi Audio Tunneling for Android takes full advantage of the enhancements in the recent KitKat release to prolong battery life, cutting audio processing power by up to 14X, which results in double the smartphone playback time. How does this cut the power? By completely offloading the audio from the host applications processor.
Android 4.4 KitKat official – here’s what you need to know
https://www.androidauthority.com/android-4-4-kitkat-official-what-you-need-to-know-313100/
That way, KitKat will already have build-in infrared support, meaning that more OEMs will be able to use the feature in the future. A Wi-Fi …
stream - How can I use Androids Audio Tunneling API to ...
https://stackoverflow.com/questions/22903762/how-can-i-use-androids-audio-tunneling-api-to-send-compressed-and-encoded-audio
Audio Tunneling works by taking a compressed and encoded audio source and instead of sending it to the CPU, it sends it to an onboard DSP. This API was written by a company called Cadence I know that it currently works on The Nexus 5. I also know that it will only work if there is a DSP that it can be sent to.
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