audio processing

Applications of DSP in Smart Home Appliances: Covering Audio Processing, Voice Recognition, and Intelligent Control

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Applications of DSP in Smart Home Appliances: Covering Audio Processing, Voice Recognition, and Intelligent Control

The report from Electronic Enthusiasts (by Li Wanwan) discusses DSP (Digital Signal Processing) technology, and DSP chips are those that can implement digital signal processing technology. They utilize a Harvard architecture with separate program and data storage, equipped with dedicated hardware multipliers, widely employing pipelined operations, and providing special DSP instructions to quickly implement various … Read more

Easily Eliminate Video Noise with One Click

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Easily Eliminate Video Noise with One Click

Tired of annoying noise in your videos? Do you feel that the carefully shot material is negatively affected by buzzing, electrical sounds, or street noise? Don’t worry! Whether you’re a vlogger, content creator, or editing enthusiast, today I’ll teach you how to easily remove video noise using Jianying, instantly purifying your audio and allowing your … Read more

Revitalizing DSP in Smart Homes Amid the Digital Wave

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Revitalizing DSP in Smart Homes Amid the Digital Wave

The report from Electronic Enthusiasts Network (by Huang Shanming) discusses DSP chips, or Digital Signal Processor chips, which can perform digital processing on analog signals, characterized by high speed, low power consumption, and high precision. As smart homes advance towards intelligence, automation, and digitization, the demand for DSP continues to rise. Evolution of DSP Chips … Read more

DSP Amplifiers Are Not Just Sound Enhancers! Understanding How to Solve Acoustic Challenges in Vehicles…

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DSP Amplifiers Are Not Just Sound Enhancers! Understanding How to Solve Acoustic Challenges in Vehicles...

Do online and offline comments affect a person’s listening judgment? Yes, they definitely do! Whether in virtual online scenarios or real market practices, the perception that DSP amplifiers = sound flavor enhancers has long existed. Regardless of specifications, technical design, or product quality, achieving a satisfactory sound is indeed challenging for various discerning ears. However, … Read more

Understanding DAC and Preamplifiers

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Understanding DAC and Preamplifiers

What is a DAC? DAC stands for digital-to-analog converter. It is one of the audio devices that takes digital signals as input and outputs analog signals. Nowadays, many popular audio devices produce digital signals, such as smartphones, laptops, and many A/V receivers. The problem is that many audio devices that allow us to hear these … Read more

C++ Device Driver: Implementing Sound Card Driver

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C++ Device Driver: Implementing Sound Card Driver

Sound Card Driver: The Unsung Hero Behind Computer Sounds When we use computers daily to listen to music, watch movies, or play games, the variety of sounds we experience relies heavily on the silent support of the sound card driver. The sound card driver is truly the unsung hero of computer sound; how does it … Read more

Complete Guide to Developing a Speech Recognition System with Python

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Complete Guide to Developing a Speech Recognition System with Python

Click the blue text to follow us When Python Meets Audio Processing: Complete Tutorial for Developing a Speech Recognition System! Hello everyone, I am Xiang Qian. Today we will talk about how to develop a simple speech recognition system using Python. This topic sounds impressive, but don’t worry, I will guide you step by step … Read more

Implementing Offline Command Recognition with TFLite Micro on ESP32

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Implementing Offline Command Recognition with TFLite Micro on ESP32

1. Introduction Voice recognition, as an important method of human-computer interaction, is gradually becoming one of the core functions of smart devices. However, traditional voice recognition systems often rely on cloud servers for audio data processing and analysis, which brings issues such as latency and privacy. TensorFlow Lite provides an efficient and fast solution for … Read more

Mix Bus Compression, Equalization, and Saturation Techniques

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Mix Bus Compression, Equalization, and Saturation Techniques

Processing your mix bus (or Master channel) during mixing comes with both risks and opportunities. Here are some tips to help you become a master of bus processing. Every mixing engineer has their secret weapons and mysterious formulas. Let’s explore bus processing—how to use it without overdoing it for optimal results. 1. What is Bus … Read more