Active Noise Cancellation

The ‘King of Internal Competition’ in the Noise-Canceling Bluetooth Headphone Market: A Real Experience with Edifier Lolli ANC

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The 'King of Internal Competition' in the Noise-Canceling Bluetooth Headphone Market: A Real Experience with Edifier Lolli ANC

In today’s fiercely competitive true wireless headphone market, semi-in-ear headphones have finally ushered in their noise-canceling revolution. While various manufacturers are still battling over parameters in the in-ear noise-canceling domain, the Edifier Lolli ANC has entered the battlefield with its stylish design and ‘semi-in-ear active noise cancellation’ technology, elevating the competition to a new dimension. … Read more

Validation Testing of CAN Chip Logic Response

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Validation Testing of CAN Chip Logic Response

During the development phase of CAN chips, various issues related to communication error management need to be validated. The ISO-16845 international standard specifies comprehensive testing standards, such as error frame detection, transmission frame-related detection, and error management logic validation. This article mainly shares effective and convenient methods to complete the testing. Traditionally, to simulate CRC … Read more

Introduction to In-Vehicle Bus – CAN

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Introduction to In-Vehicle Bus - CAN

In-vehicle network communication refers to the process of data transmission and communication between various electronic control units (ECUs) within a vehicle. Modern vehicles contain multiple ECUs, each responsible for specific functions, such as vehicle control (VCU), engine control (EMS), braking system (ESC), steering system (EPS), driver assistance systems, body control systems, air conditioning systems, and … Read more

Usage of Modal Verbs ‘Can’ and ‘May’

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Usage of Modal Verbs 'Can' and 'May'

1. Usage of ‘Can’ 1. Indicates ability → “can, able to” We can speak English. → We cannot (can’t) speak English. We can speak English. We cannot speak English. Can you dance the disco? → Yes, I can. / No, I can’t. Can you dance? Yes, I can. No, I can’t. (At this point, ‘be … Read more

Basic Steps for CANFD Debugging

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Basic Steps for CANFD Debugging

CAN (Controller Area Network) is a serial communication network that effectively supports distributed control or real-time control. The CAN bus is a widely adopted bus protocol in automotive applications, designed for microcontroller communication in automotive environments. As company projects gradually shift towards the automotive sector, the scenarios for using CAN are increasing. This article analyzes … Read more

SL8X Multitool Project Configuration

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SL8X Multitool Project Configuration

Create a project using Multitool 8.2Add an SL8X controller, making sure to select “SL8X1-01” hereThis is not mandatory; I just don’t want to store too many EPEC_CU1 files on my computer.Add a 3724 controller and connect the CAN1 port of the SL8X to the CAN1 port of the 3724 on the same network.In the CAN … Read more

What Communication Technologies Should You Master for Microcontroller Work?

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What Communication Technologies Should You Master for Microcontroller Work?

Recently, a reader asked a question: What communication technologies should one master when working with microcontrollers?With the development of technology, there are more and more communication technologies, but in the embedded field, the common communication technologies are actually not many, such as UART, I²C, SPI, CAN, USB, and TCP/IP, which are the most common.These communication … Read more

What Affects the Sound Quality of Bluetooth Headphones? Key Parameters to Consider When Buying Bluetooth Headphones

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What Affects the Sound Quality of Bluetooth Headphones? Key Parameters to Consider When Buying Bluetooth Headphones

The quality of sound is not solely determined by Bluetooth transmission and sound reproduction; it is the result of multiple factors, including the audio source and surrounding environmental noise. When purchasing Bluetooth headphones, paying attention to parameters such as Bluetooth version, audio encoding format, driver type, noise cancellation type, and waterproof performance can help us … Read more

Are QCY AilyBuds Pro Bluetooth Earbuds Worth It? The Noise-Canceling King at 200 Yuan

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Are QCY AilyBuds Pro Bluetooth Earbuds Worth It? The Noise-Canceling King at 200 Yuan

Looking for a pair of Bluetooth earbuds that can cancel noise during commutes, stay in place while exercising, and have low latency for gaming? The QCY AilyBuds Pro might just make it onto your shortlist. This semi-in-ear headset truly embodies the concept of “getting great value for little money,” but how does it perform in … Read more

Understanding the Differences Between SNR and NSD in ADC/DAC

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Understanding the Differences Between SNR and NSD in ADC/DAC

In practical systems, signals are often interfered with by noise, resulting in noisy signals. Simply put, the Signal-to-Noise Ratio (SNR) is the ratio of signal power to noise power within a given signal bandwidth. Typically, this is calculated by performing a Fast Fourier Transform (FFT) and examining the fundamental signal power and the noise spectral … Read more