STMicroelectronics

STMicroelectronics, Europe’s largest semiconductor company, has licensed SoundChip electronic IP to create a range of highly innovative noise cancelling audio engines and MEMS microphones that enable headphones and earphones with best-in-class and lowest power feed-forward, feedback and hybrid noise cancelling capabilities.

STANC0

Low-power, stereo, digitally-controlled audio engine combining hybrid ANC with advanced situational awareness.

Product description

STANC0 applies SoundChip’s patented Soundcore R3 audio processing technology to enable precise, zero-latency, digitally-controlled hybrid noise cancelling in a highly-integrated, low-power, single-chip design.

The extensive features and flexibility of STANC0’s Soundcore R3 digitally-controlled analog layer are of particular advantage in headsets applications requiring reliable, class-leading and low-power hybrid noise cancelling.

And, where such applications can benefit from the inclusion of ‘smart’ features, such as open-ear talk-through, advanced situational awareness and Auto-ANC, STANC0 also stands out, enabling a plethora of software-based audio enhancements which offer further opportunities for product differentiation without adding cost or reducing battery life.

Features
  • 01

    Digitally-controlled feedback and feed-forward filters

  • 02

    Separate, digitally-configurable binaural monitoring circuits

  • 03

    100 dB dynamic range, zero-latency audio processing

  • 04

    Billions of programmable filter and device settings

  • 05

    I2C interface enables software control

  • 06

    4.5mm x 4.5mm x 1.4mm LF-BGA64 package

Benefits
  • 01

    Class-leading, low-power hybrid noise cancelling

  • 02

    Supports advanced situational awareness

  • 03

    Rich, high definition sound reproduction

  • 04

    Dynamically configurable with software control

  • 05

    Optimised for 'smart' wireless headset applications

  • 06

    Compact form factor with low external part count

MP23ABS1

Analog, bottom port MEMS microphone designed for high-performance noise cancelling applications.

Product description

Featuring a flat audio response between 20Hz and 20kHz, 66dB SNR, zero-latency output and a surface mount assembly to provide an accurate and consistent measurement of environmental noise conditions, and therefore enable the delivery of effective feedback, feedforward and hybrid noise cancelling.

Features
  • 01

    Flat 20Hz - 20kHz receiving response: 66dB SNR

  • 02

    High acoustic overload point: 130 dBSPL

  • 03

    Tight sensitivity matching: +/- 1.5 dB

  • 04

    Compact RHLGA package: 3.50 x 2.65 mm

Benefits
  • 01

    Accurate capturing of ambient sound with reduced hiss noise

  • 02

    Robust in high noise environments

  • 03

    Stable end-product manufacturing

  • 04

    Reliable, low-cost assembly