This guide explains the challenges of using disparate TTS providers, introduces a unified multi‑engine speech synthesis service, details its technical highlights, typical use cases, and provides complete API specifications with request/response examples and authentication steps.
This article explores why early 1980s games such as Contra could deliver rich graphics, music, and gameplay within just 128KB of memory, explaining tile‑based rendering, limited audio chip capabilities, and ultra‑compact code techniques that made such feats possible.
This guide outlines why audio‑video technology is booming, how mastering FFmpeg provides a rapid entry point, and offers a structured learning path—including core concepts, streaming tools, API usage, and community contribution—to help developers quickly become proficient in media processing.
This article explains why audio autoplay may fail in modern browsers, describes the role of the Media Engagement Index, shows how to diagnose the NotAllowedError, and provides a JavaScript solution that catches the error and prompts the user to enable playback.
This article explains the acoustic fundamentals, key components, and design processes of automotive audio systems, covering basic sound effects, active sound generation, noise‑cancellation technologies, and the computational and latency constraints that shape audio routing and mixing strategies.
This article introduces the acoustic fundamentals, human hearing characteristics, sound‑localization experiments, and detailed specifications of microphones, speakers, amplifiers, and domain controllers that form the basis of an intelligent‑cockpit audio subsystem.
This article explains the Linux kernel's built‑in headphone jack detection mechanism, detailing the asoc_simple_init_jack function, device‑tree GPIO lookup, jack registration, event reporting flow, and highlights platform‑specific alternatives for Rockchip and MediaTek hardware.
The Haro Street Cat mobile team created a custom multimedia framework that wraps FFmpeg 4.2.2 in a C++ core library with Android/iOS compatibility layers and Java wrappers for transcoding, live streaming, and composition, delivering hardware‑accelerated decoding, flexible filter pipelines, and reliable transcoding that boosted coverage to over 99 %, cut storage by more than 30 %, accelerated video start‑up, and improved streaming and watermarking performance.
This guide helps Android audio developers understand and eliminate stutter, pop noise, and other glitches by examining audio formats, pipeline components, CPU scheduling, common failure cases, and offering concrete optimization steps such as proper thread priorities, reduced API blocking, and efficient frame‑count configuration.
This article introduces Python's multimedia service modules, explaining how to process raw audio data, read and write various audio file formats, detect image and sound file types, convert color systems, and access OSS‑compatible audio devices, all illustrated with practical code examples.
At ICASSP 2023, Kuaishou’s audio team presented a low‑latency hierarchical fusion network for full‑band acoustic echo cancellation, detailing its multi‑stage design, asymmetric windowing, loss functions, training strategy, and achieving second place in the non‑personalized AEC Challenge, with real‑world deployment results.
This article introduces the basic concepts of audio and video capture—including sampling, quantization, PCM storage, YUV formats, camera operation, and pixel resolution—explaining how these technologies enable non‑contact, fully digital government procurement services during the COVID‑19 pandemic.
Bluetooth has progressed from its 1994 origins to a versatile, low‑power platform supporting HFP, A2DP, and the newer BAP audio profiles, mandatory SBC and optional high‑quality codecs such as AAC, apt‑X, LDAC, and the efficient LC3, while LE Audio adds multi‑stream, broadcast capabilities and reduced latency for modern wireless audio experiences.
The Alibaba Taobao Live and Canon guide offers a low‑cost, standardized solution for high‑quality e‑commerce live streaming, detailing a 20,000 CNY single‑camera seated‑broadcast setup—including equipment selection, room décor, a six‑step rapid installation, optimal camera/audio configurations, and software tips for TBS.
This article walks through the creation of a Spring Festival themed mini‑game using Vue.js, covering game rules, global settings, menu generation, sound handling, bullet‑chat implementation, enemy (NianShou) behavior, firecracker control, bullet mechanics, a timed quiz system, and end‑game handling, all illustrated with code snippets.
This tutorial walks you through creating a basic airplane‑shooting game in Python using Pygame, covering window setup, image loading, sprite movement, event handling, collision detection, audio playback, and provides complete source code and explanations for each function.
This article explains why traditional CPU usage metrics are unreliable for real‑time audio/video apps, introduces essential performance indicators, reviews native and third‑party analysis tools for iOS and Android, and proposes power‑consumption‑based evaluation methods with practical testing guidelines.
This article traces the evolution of web audio and video from the static early HTML era through Flash's rise and fall, explains HTML5 video/audio support, discusses video and audio encoding, container formats, bitrate, playback pipelines, canvas‑based rendering, and provides practical FFmpeg command examples for developers.
The article reviews the rapid rise of fusion communication driven by 5G, AI, AR/VR, and cloud technologies, detailing trends, global routing, video and audio AI innovations, and cross‑platform network library practices presented at the AI‑Era Fusion Communication session of QCon 2021.
The 2021 NetEase "Eye‑Opening, Sound‑Immersive" audio‑video technology conference gathered experts from NetEase’s divisions to showcase AI‑powered video processing, deep‑fake detection, immersive audio, and innovative media solutions, drawing over 54,000 viewers and promising ongoing video releases for the community.
This tutorial walks through designing and implementing a Python desktop music player using PyQt5, covering UI layout, keyword‑based music crawling, multithreaded downloading, playback controls, volume adjustment, and various playback modes such as sequential, random, and repeat.
This tutorial walks you through installing pyglet, creating windows, adding text and images, handling keyboard and mouse events, processing input, and playing audio and video, providing a comprehensive guide to building lightweight Python games and multimedia applications.
The Gaode Smart Scenic Spot Pocket‑Player framework provides a cross‑platform, hybrid audio solution that delivers location‑based MP3 guides, isolates business logic via an observer‑based service, manages audio focus and interruptions efficiently, supports cross‑page and offline playback, and enables rapid, low‑resource development for immersive tourist experiences.
This guide explains the key HTML5 video/audio methods, properties, and events, demonstrates how to check format support, control playback, volume, fullscreen, and looping, and provides a complete custom video player example with HTML, CSS, and JavaScript code.
This article explores the front‑end multimedia technologies that power Taobao Live, covering video and audio fundamentals, container and codec formats, streaming protocols, player architecture, web media APIs, and popular open‑source frameworks for building robust live‑streaming experiences.
This article details the challenges and solutions encountered while implementing inline video playback, audio handling, canvas snow effects, progressive animations, and performance optimizations for a Christmas-themed year‑end activity page, providing practical code snippets and best‑practice recommendations for front‑end developers.
This article explains how classic NES titles like Super Mario manage to fit all code, graphics, music and level data within a mere 128 KB by exploiting 2‑bit palettes, minimalist MIDI audio, tile reuse and hand‑crafted assembly, revealing a storage gap of five to seven orders of magnitude compared to modern games.
To enable reliable two‑way audio for remote testing of car‑mounted navigation devices, the team evaluated remote‑submix, software hooking, USB, Bluetooth and hardware forwarding, ultimately selecting a hybrid software‑hook and hardware‑forwarding approach combined with WebRTC encoding to meet sub‑500 ms latency and broad device coverage.
This technical sharing session by a senior audio‑video engineer from 360 Video Cloud explains core concepts of video and audio, their encoding pipelines, media processing techniques, streaming protocols, and the challenges and key technologies behind real‑time communication (RTC).
This comprehensive guide walks you through installing the SpeechRecognition library, choosing a suitable Python package, handling audio files and microphones, and using the Recognizer API to convert spoken English into text while addressing noise, offsets, and advanced options.
The article explains Android 6.0’s audio volume architecture, detailing how streams, devices, and per‑stream volume indices are defined, cached, persisted, and modified via AudioManager or AudioTrack/MediaPlayer, and how these changes travel through AudioService, AudioPolicy, and AudioFlinger to the hardware.
This article explains how to replace the default HTML5 audio controls with a fully custom UI using CSS, JavaScript, and a React component that handles playback, progress tracking, and user interactions such as play/pause and seeking.
This article reviews the evolution of VR hardware, explains core display principles, compares low‑cost Cardboard with high‑end headsets, discusses latency, motion sickness, interaction and graphics constraints, and offers practical guidance for creating high‑quality VR games.
This article shares practical H5 design lessons from JDC, covering font choices, layout focus, motion and audio effects, responsive adaptation, and different H5 types to help creators build engaging mobile experiences while balancing performance and shareability.
