Hello everyone! Today I want to share with you a powerful C library – FFTW (Fastest Fourier Transform in the West). It is one of the fastest open-source libraries for Fourier Transform and is widely used in fields such as signal processing and image processing. Don’t worry if you don’t know what Fourier Transform is; … Read more
This article introduces the method for playing audio on Rockchip development boards running Linux,the Touch Intelligent RK3562 development board, equipped with a quad-core A53 processor, a clock speed of up to 2.0GHz; it has a built-in independent 1TOPs computing power NPU, applicable in industries such as IoT gateways, tablets, smart homes, educational electronics, and industrial … Read more
ESP32-A2DP is an open-source library based on the ESP32 microcontroller, providing a simple and easy-to-use API that allows the ESP32 to easily receive and send Bluetooth audio data, building your own Bluetooth music world. This article will detail the features, usage methods, and some application scenarios of ESP32-A2DP, helping you quickly get started and develop … Read more
Weekly insights into the audio and video technology field. News submissions: [email protected]. TCSVT 2022 | Depth Video Compression Based on In-loop Multi-frame Prediction This article proposes an in-loop multi-frame prediction module based on an end-to-end deep video compression framework, achieving efficient prediction of the current frame based on multiple reference frames without additional bitrate consumption. … Read more
For the past 10 years, I have mostly worked remotely, but when I walked into the office, I sat in a room filled with introverted colleagues who could easily be distracted by ambient noise and conversations. We found that listening to music could suppress the office noise, making the sound less intrusive and providing a … Read more
For audio enthusiasts, the pursuit of great sound does not stop at just one HiFi system. Devices like computers and smartphones that can play music also have higher expectations and standards for sound quality. In response to the diverse playback devices and usage scenarios, Sony has introduced various audio solutions, among which the CAS-1 is … Read more
How to Play Video To play a video, please use cd to navigate to the terminal’s video file location, then type the following command: omxplayer example.mp4 This will play example.mp4 in fullscreen. Press Ctrl + C to exit. On Raspberry Pi 4, hardware support for MPEG2 and VC-1 codecs has been removed, so we recommend … Read more
Our Raspberry Pi HiFi sound card, HiFi DAC v1.0, launched at the end of 2016, has been recognized by Raspberry Pi enthusiasts and music lovers for its excellent usability and cost-effectiveness over the past year. Recently, we have made improvements to this product based on updates to Raspberry Pi software and hardware, as well as … Read more
Follow us on WeChat “DLGG Maker DIY“ Set as “Starred“, delivering heavy content to you in real-time. Recently, I wanted to play with audio playback again. I dug out some previous articles to review. This time I plan to use M5stickC, the one with a strap that you can wear on your wrist, yes, it … Read more
Gradually, traditional desktop speaker combinations have faded from our desks. On one hand, modern desktops are precious real estate; whether in an office or at home, if the space isn’t large enough, the 2.0, 2.1, or even 5.1 and 7.1 setups that “old-school” players used years ago simply can’t fit comfortably. On the other hand, … Read more