MediaTek Announces the MT2533DChipset with Advanced Technology for Smart Headsets, Headphonesand Hands-Free Systems

NewMT2533D chipset technology delivers crystal-clear voice and music, combined with
an ARM Cortex-M4 processor to enable smart device features

mediatek-logoMediaTek today announced the availability of MT2533D, a highly integrated chipset for smart, connected headphones, headsets, earpieces and hands-free systems.

The MT2533D is designed for wireless headphones and in-vehicle hands-free systems, giving users an optimal experience whether they are listening or speaking. The MT2533D chipset is also ideal for stand-alone sports headsets or travel earpieces as it offers local MP3 playback, making music playback possible without the need to pair a smartphone. Such devices could offer users access to up to 1000 tracks using the support for 4GB external storage.
“MT2533D, with its combination of low power and rich features, is the ideal chipset platform for product designers of smart headphones, wireless headsets and hands-free solutions said JC Hsu, Corporate Vice President and General Manager of New Business Development Business Unit at MediaTek. “The combination of advanced audio processing technology with low-power computing capabilities opens up new possibilities for innovation in the smart headset market.”

The MT 2533D combines an audio Analog Front End (AFE) and Digital Signal Processor (DSP) with an energy-efficient ARM Cortex-M4 processor, 4MB memory (PSRAM and flash) and dual-mode Bluetooth (2.1 and 4.2 Low Energy) radio.

To support applications that need advanced audio management, MT2533D integrates aDSP thatcomes with 128KB IRAM, 250KB DRAM, and 96KB SRAM for various speech enhancement algorithms. This DSP delivers native Dual Microphone Noise Reduction (DMNR) technology and supportsthird-party software for a voicewake-up command. It also supports A2DP, HFP, Advanced Wireless Stereo, and MP3 local playback.

Whether playing music, taking part in a conference call or making a hands-free call from a car, MT2533D offers high-quality audio with minimal power consumption. The chipset can also act as the MCU for other applications, which can include biosensing. In addition, it offersdisplay and camera interfaces, and can work withadditional connectivity, such as Wi-Fi, using the SDIO feature.

MT2533D is one of a series of chipsets supported by the MediaTek LinkIt™ Development Platform for RTOS. Key features of this platform include:

• Based on the popular FreeRTOS, with additional open-source modules (source code available).
• Supports chipsets based on the ARM Cortex-M4 architecture, offering high performance, low power connectivity.
• Development and debugging in ARM KeilμVision, IAR Embedded Workbench and GCC.
The chipset will be available to device makers in Q1 2017. More information is available at http://www.mediatek.com/products/wearables/mt2533and http://labs.mediatek.com/2533. Developer documentation and tools will be released via MediaTek Labs in Q3 2017.

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