Blog Post
What is ANC Technology & How Does it Work?
Have you ever wondered how noise-cancelling headphones work? Check out this blog post to learn more about the different types of active noise cancellation and how the technology is being integrated into products at lower price points.
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Blog Post
Using A2B Technology in Conferencing, Live Performance, Control Systems and More
From conference rooms and control systems to stage band applications, this post discusses numerous potential new use cases for Analog Device’s Automotive Audio Bus® (A2B) digital audio bus technology that extend the technology beyond use in automotive applications.
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Blog Post
Low-Density Parity Check for Modern Communication Systems
Low-Density Parity-Check (LDPC) codes are finding increasing use in communications applications. Find out how they work and how an understanding of modern forward error correction techniques is essential to the implementation of current and future communications technologies.
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Blog Post
IoT Lighting with Multiprotocol Connectivity
Have you ever wanted to turn your lights on/off using either a physical switch running Zigbee or by a BLE application on a smartphone? Read more to discover how you can build an IoT lighting device to do precisely that.
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Blog Post
How Capacitive Touch Screens and Proximity Sensors Work
Thanks to capacitive touch technologies, sensors are now replacing buttons and switches in many consumer electronics. Learn how the tech works and our team’s experience in adapting the technology to an unusual environment.
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Blog Post
Everything You Need to Know About LoRa & How To Set Up a LoRa Gateway To View IoT Device Data
In this blog, we document the steps required to set up a gateway from scratch, register it with The Things Network and observe uplink data from a simple LoRa node.
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Blog Post
What is an FPGA and How Does It Work?
A Field Programmable Gate Array (FPGA) is a gate array where static random-access memories (SRAM) based fabric replaces metal interconnections between logic elements. It’s infinitely flexible and doesn’t wear out. Our engineer addresses key FPGA programming challenges, like how to avoid reprogramming the SRAM every time you power up.
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Blog Post
R0 and COVID-19: A Simple DSP Perspective
This blog presents — and solves using Z-transforms — a trivial difference equation incorporating the much touted variable R0.
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Case Study
Audio Filtering in a Noisy Environment
Audio is an integral part of many systems, but unfortunately it is often corrupted with noise. This is especially true in systems that use a microphone in a noisy environment. One of our clients confronted a particularly noisy environment and asked us to …
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Case Study
Voice activated VPA for the Car
Using Qualcomm’s Bluetooth components, our engineers developed a small, battery-powered, after-market device to provide a hands-free virtual personal assistant in the car. It works with iOS and Android, Alexa or ok-Google, and includes noise reduction.
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Case Study
Case Study: Developing Yonder Streaming Music Service
Yonder is a music streaming service similar to Spotify, Apple Music and Google Music, but with a variation on the subscription business model – instead of monthly payments, music streaming is bundled with the sale of a mobile device or a data plan.
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Case Study
Case Study: Designing Clip Interactive Radio
Designing an interactive radio experience required skills in hardware and embedded firmware, cloud services and mobile app development – a perfect match for Cardinal Peak’s engineers.
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