STMicroelectronics

STMicroelectronics, Europe’s largest semiconductor company, have successfully leveraged SoundChip IP to develop a range of noise cancelling audio engines and specialist MEMS microphones designed exclusively for use in high performance feedback, feed-forward and hybrid noise cancelling applications – all of which have been optimally tuned to meet our ambitious HD-PA standards.

STANCx

STANC0 and STANC1 are headphone amplifiers enabled with advanced noise cancelling and talk-through features.

Product description

Both STANC0 and STANC1 (the former being stereo and the latter mono) are built around SoundChip’s Soundcore technology to deliver precise, digitally programmable analog filters with zero latency and a dynamic range of 100dB.

The flexibility of Soundcore is crucial here and ensures that STANCx devices are suitable for a whole host of personal audio and wearable sound applications, enabling high performance hybrid noise cancellation, open-ear talk-through, as well as giving partners the opportunity to make use of other Soundchip features such as Auto ANC and Smart Awareness. All of these elements can, of course, be tuned through our Soundstation development and manufacturing tools.

Features
  • 01

    Digitally programmable feedback and feed-forward filters

  • 02

    Separate, digitally-configurable binaural monitoring circuits

  • 03

    100 dB dynamic range, zero-latency audio processing

  • 04

    107 billion programmable filter and device settings

  • 05

    operates via presets in HW mode or via I2C in SW mode

  • 06

    Compact 4.5mm x 4.5mm LF-BGA64 package

Benefits
  • 01

    Highest performance, lowest-power hybrid noise cancelling

  • 02

    Natural, open-ear talk-through and augmented audio

  • 03

    Rich high definition sound reproduction

  • 04

    Dynamically configurable filters enable smart audio capabilities

  • 05

    Interface optimised for conventional and smart wired and wireless headphone applications

  • 06

    Compact form factor with lowest external part count

STANCX-L

STANC0-L and STANC1-L are headphone amplifiers specifically optimised for simpler feedback or feed-forward noise cancelling applications.

Product description

The former is stereo while the latter is mono, and much like the STANCx range, both STANC0-L and STANC1-L are built around Soundcore technology, providing zero latency sound processing within a dynamic range of 100dB.

The STANCx-L tier of devices are purpose built for cost sensitive, entry-level headphones which may not require smart audio features nor a four microphone hybrid noise cancelling solution.

Features
  • 01

    Digitally programmable feedback or feed-forward filters

  • 02

    Separate, digitally configurable monitoring circuits

  • 03

    100 dB dynamic range, zero-latency audio processing

  • 04

    107 billion programmable filter and device settings

  • 05

    Operates via presets in HW mode or via I2C in SW mode

  • 06

    4.5mm x 4.5mm LF-BGA64 package

Benefits
  • 01

    Highest performance, lowest power feedback or feed-forward noise cancelling

  • 02

    Natural, open-ear talk-through and augmented audio

  • 03

    Rich high definition sound reproduction

  • 04

    Dynamically configurable filters enable smart audio capabilities

  • 05

    Interface optimised for conventional and smart wired and wireless headphone applications

  • 06

    Compact form factor with low external part count

MP34AB01H

A bottom port MEMS microphone designed to meet the rigorous demands of 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 with 66dB SNR

  • 02

    Tight +/- 1.5dB sensitivity matching

  • 03

    Compact 3.76mm x 2.95mm RHLGA package

Benefits
  • 01

    Accurate capturing of ambient sound with reduced hiss noise

  • 02

    Improved end product manufacturing yields

  • 03

    Reliable, low-cost high assembly