Knowles Blog

At Knowles, we are passionate about superior audio experiences and natural voice interactions. We developed this blog as a "sounding board" for topics and issues related to the technology, challenges and opportunities for audio and voice-enabled devices.


Auto Acoustic Revolution: Context Awareness Through Vibration Sensing

March 28, 2024

Discover the possibilities of vibration sensing technology in revolutionizing contextual awareness across various industries. Explore how this innovation is reshaping automotive and consumer electronics, empowering devices to comprehend their surroundings and user interactions like never before. Dive into the transformative potential of vibration sensing and its profound implications for modern technology. 

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Ambulance Detection

From Perception to Precision: Advancements in Sound Personalization

December 4, 2023

Like the differences in individuals’ perceptions of color, human auditory perception can vary between two individuals listening under identical conditions. Various factors play into this incongruity, spanning the breadth of physical and physiological differences. The result is that two individuals will likely perceive the same audio content differently, particularly in the high-frequency portion of the audible range, where these discrepancies compound.

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OTC Hearing Aids: Reflecting on the Evolution of Hearing Technology

November 6, 2023

One year later, we’re reflecting on the impact and implications of the OTC hearing aid ruling, the possibilities for the category, and our vision for supporting the future of accessible hearing solutions for all.

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Knowles Introduces an Improved Method for Measuring Microphone Vibration Sensitivity

June 15, 2023

Because of vibration-induced feedback, there has been a decades-long search for the best way to measure microphone vibration sensitivity. That search has now ended as the R&D team at Knowles has developed the world's most accurate method for measuring this important microphone metric. 

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Knowles Takes Consumer Audio Technology on the Road in China

May 15, 2023

Showcasing the latest balanced armature drivers, Knowles received industry recognition at the Global Audio Summit and presented and the Audio Summit for Wearables and Earphones Conference hosted by 52 Audio.

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Can You Hear Me Now? Ansys Turns up the Volume on Hearing Device Designs

October 11, 2022

Years ago, hearing aids consisted of a belt pack and a wire that ran up from the waist to the user’s ear. A lot has changed since then, as hearing devices have become much more sophisticated.

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Knowles AiSonic Hardware Grant Winners

January 7, 2022

Five winners were awarded development kits to implement their inventions – from sustainable wind power and wildfire monitoring to solving sleep apnea and fighting mosquito-born illnesses.

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Knowles WIE Blog

More Than an Engineer

June 23, 2021

In honor of International Women in Engineering Day 2021, we sat down with some of our esteemed female engineering team to learn more from their perspective in the industry. 

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Making History: Knowles Microphone Delivers First Sounds from Mars

May 13, 2021

At the NASA SuperCam Live Webcast in March 2021, history was made when it was announced that the first audio ever recorded from the surface of Mars, the Martian winds, was captured from Jezero Crater. The historical event was made possible because of a tiny microphone housed within SuperCam aboard the rover, supplied by Knowles. 

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SuperCam with Knowles EK Series Microphone








Premium Audio Goes Mainstream 

March 9, 2021  

In February, the music industry was rocked by the long-awaited entry of lossless audio into the mainstream market. Spotify, which accounts for more than a third of streaming music listeners worldwide, finally pulled the trigger on CD-quality sound with a "Spotify HiFi" tier coming this year.

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Enabling the Adoption of Voice User Interface in System Solutions 

February 8, 2021 

Knowles has been behind many of the most important audio movements and innovations of our time. SVP of Corporate Development, Brian Crannell and SVP of Global Sales, Christian Scherp explore the ways in which audio technology is changing today – and how Knowles is developing products and solutions that support the future of audio and voice.

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2021 As We Hear It – Knowles SVP’s Voice Predictions for the Upcoming Year 

January 18, 2021 

What are the opportunities for Voice in 2021? Our SVP of Corporate Development, Brian Crannell looks at three key trends in Audio and Voice that afford new experiences and immediate impact in his recent piece for EE Times.  

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New Audio and Sensor Features Highlight the Importance of Edge Processing 

November 14, 2019 

Leading mobile, ear and IoT device makers are constantly looking for differentiation that will drive end-user adoption and sales. 

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Challenges 5G Brings to RF Filtering 

October 29, 2019

In the race to implement mainstream 5G wireless communication, the world is waiting to see if this next-generation network will achieve a hundredfold increase in user data rates.

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The Future Is Now: How Speech Recognition Came To Be, And How A Tiny Audio Edge Processor Plays A Critical Role 

June 18, 2019   -   Sam Toba, Knowles Intelligent Audio

Today, we will talk about what exactly a dedicated audio edge processor can do, focusing on voice as a user interface including voice wake which makes this an ideal power-efficient solution.  But before we dive into this topic, it helps to understand the history of speech recognition. 

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Dedicated Audio Processors at the Edge are the Future. Here are the Reasons Why. 

April 9, 2019   -   John Young, Knowles Intelligent Audio

In the evolution of computing, digital devices were initially powered by generic microcontrollers and microprocessors. As specialized applications became more complex, VLIW engines or DSPs rose in popularity. A similar progression also took place for video processing with specially-optimized video processors emerging to enable advanced functionalities for digital television, immersive gaming, 3D and VR. 

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