MediaTek unveils integrated chipset MT2533D for smart headsets and hands-free systems

|January 5, 2017 0

At CES, MediaTek has unveiled MT2533D, an integrated chipset designed for wireless headphones and in-vehicle hands-free systems, to give users an optimal experience whether they are listening or speaking. The chipset will be available to device makers in Q1, 2017.

“The combination of advanced audio processing technology with low-power computing capabilities opens up new possibilities for innovation in the smart headset market,” said JC Hsu, Corporate Vice President and General Manager of New Business Development Business Unit at MediaTek.

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.

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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 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 a DSP that comes with 128KB IRAM, 250KB DRAM, and 96KB SRAM for various speech enhancement algorithms. This DSP delivers native Dual Microphone Noise Reduction (DMNR) technology and supports third-party software for a voice wake-up command. It also supports A2DP, HFP, Advanced Wireless Stereo, and MP3 local playback.

The chipset can also act as the MCU for other applications, which can include biosensing. In addition, it offers display and camera interfaces, and can work with additional 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.

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