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New Production-Ready Stereo Audio Codec Platform

14/03/2025

New low latency audio codec platform to accelerate the development of wireless stream processing and analytics products. The solution is enabled by Nuvoton’s on-chip silicon signal processing design, including the Low Latency (LL) decimator (for down-sampling)/ interpolation (for up-sampling) digital linear and non-linear filters, these low pass filters are valuable additions to the ANC (active noise cancellation) and wireless real-time stream application.

The NAU88L21CYG is an ultra-low power high-performance audio codec that supports both analog and digital audio functions. It includes one I2S/ PCM interface, one set of digital microphone interfaces, one digital mixer, two high-quality DACs and ADCs, and one stereo class-G headphone amplifier. The advanced on-chip signal processing engine includes dynamic range compressor (DRC), programmable bi-quad filter, as well as an integrated frequency-locked loop (FLL) to support various input clocks.

Main Features

  • Stereo digital and analog microphones can be switchable by hardware register settings for wearables & gaming devices
  • Provides Low Latency decimator (for down sampling)/ interpolation (for up sampling) digital linear and non-linear filter
  • Group delay of ADC/ DAC digital filters can reduce one-six latency time compared to the conventional Audio Codec without these filters
Documents Tech question
Nuvoton NAU88 L21 C

New Production-Ready Stereo Audio Codec Platform

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Applications & Markets

  • 20 Entertainment Gaming

    Entertainment & Gaming

Technologies

  • Shutterstock 1666017652

    Audio, video, multimedia

Nuvoton

Nuvoton focuses on the developments of microcontroller, microprocessor, smart home, cloud security, battery monitoring, component, visual sensing and IoT with security ICs and has strong market share in Industrial, Automotive, Communication, Consumer and Computer markets.

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Documents

  • Nuvoton NAU88 L21 C Data Sheet
Pexels thisisengineering 3913017

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