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Low Power 32-bit DSP Architecture Framework for Advanced Audio and Voice Applications
Ranging from dual 16x16-bit MAC and single 32x32-bit MAC to quad 16x16-bit MAC and dual 32x32-bit MAC, The Ceva-TeakLite-4 DSP family includes the deeply embedded Ceva-TL410 and Ceva-TL411, along with the cache enabled Ceva-TL420 and Ceva-TL421 DSP cores, that are all fully compatible. The four cores enable much needed scalability and are also backward compatible with previous generation cores of the Ceva-TeakLite family.
Thanks to its scalability, the Ceva-TeakLite-4 DSP family is efficiently handling most demanding audio, voice, sensor fusion and wireless connectivity use-cases, whether targeting ultra-low-power always-on voice control, advanced multi-microphone noise reduction and voice processing, VoLTE or high-performance multichannel audio processing and post-processing. Ceva-TeakLite-4 cores are adopted by mobile, home, IoT and automotive chip vendors, for use in the smallest, lowest-power audio CODEC, audio DSP, voice activation and sensor hub chips, through Baseband, Application Processors and connectivity chips, and up to high-end multi-channel audio such as wireless speakers, digital televisions (DTVs), set-top boxes (STBs), game consoles, and more.
Combined with the Ceva-Bluetooth hardware and software, the Ceva-TeakLite-4 further enables a wide range of wireless applications from Bluetooth Smart (a.k.a. single mode Bluetooth Low Energy or BLE) to Bluetooth Smart Ready (a.k.a. dual mode Bluetooth Low Energy) and wireless audio.
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Block Diagram of the Low Power 32-bit DSP Architecture Framework for Advanced Audio and Voice Applications
Video Demo of the Low Power 32-bit DSP Architecture Framework for Advanced Audio and Voice Applications
CEVA offers an optimized solution for integrating sensor hub and connectivity functionality into this new generation of products. Based on our CEVA-TeakLite-4 DSP platform and the CEVA-Bluetooth solution, while leveraging software capabilities from a host of ecosystem partners, CEVA delivers the low power and performance needed to efficiently process multiple types of user and environmental inputs, and be always connected.
In this demonstration we'll see how the CEVA-TeakLite-4 DSP is used as a sensor hub for always on voice activation, face activation and motion detection, as well as wirelessly streaming audio to a Bluetooth speaker. All this is done while operating with extremely low power -- down to 150 micro-Watt in standby mode for Bluetooth LE and multiple always-on sensing capabilities in a 28-nanometer process.
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