Dolby Digital 5.1 - Dolby Professional - Dolby Professional
WEBDolby Digital delivers up to 5.1 discrete channels of surround sound to add realism and depth to feature films, documentaries, and shorts. Dolby Digital provides extraordinary dynamic capability, wide frequency range, low distortion, and relative immunity to wear.
Dolby Digital - Wikipedia
WEBDolby Digital, originally synonymous with Dolby AC-3 (see below), is the name for a family of audio compression technologies developed by Dolby Laboratories. Called Dolby Stereo Digital until 1995, it is lossy compression (except for Dolby TrueHD). The first use of Dolby Digital was to provide digital sound in cinemas from 35 mm film prints.
Sound, Visual, & Display Technology - Dolby
WEBDolby creates audio, visual, and voice technologies for movies, TV, music, and gaming. Experience it all in the immersive sound and stunning picture of Dolby Atmos and Dolby Vision.
Dolby Digital Plus - Dolby Professional
WEBDolby Digital Plus is an audio technology based on Dolby Digital 5.1, the established standard for cinema, broadcast, and home theater surround sound. It's part of a complete ecosystem that includes content creation, program distribution, device manufacture, and customer experience.
关于 Windows 上“杜比音效”的那些事儿 - 哔哩哔哩
WEBJan 29, 2022 — Dolby Digital(简称 DD, AC-3), Dolby Digital Plus(简称 DDP, E-AC-3) 其中DD支持5.1，DDP支持7.1和Dolby Atmos，也可以直接输出 DD/DDP 的码流给杜比兼容的 AVR 设备等。 具体细节可以参考如下文档： https://docs.microsoft.com/en-us/windows/win32/medfound/dolby-audio-decoder
杜比数字 - 维基百科，自由的百科全书
WEB杜比數位Plus（Dolby Digital Plus）又稱為E-AC-3，是基于AC3的基礎進行加強的编码系统。 它把最高位元率提升至6 Mbps，支援14聲道（13.1），增强的编码技术能够減少壓縮對杂讯（artifact）。
Dolby Digital - Audiovisual Identity Database
WEBDolby Digital, originally synonymous with Dolby AC-3, is the name for what has now become a family of audio compression technologies developed by Dolby Laboratories. Originally named Dolby Stereo Digital until May 1995, the audio compression is lossy, based on the modified discrete cosine transform (MDCT) algorithm.
Technology Dolby Audio Dolby Digital Plus | Dolby Developer
WEBDolby Digital Plus (E-AC-3) provides up to twice the efficiency of Dolby Digital while adding new features like 7.1-ch audio, support for descriptive video services, and support for Dolby Atmos. Dolby Digital Plus is widely used by streaming and broadcast services to deliver surround sound audio at lower bitrates.
杜比數位 - 維基百科，自由的百科全書
WEB杜比數位Plus（Dolby Digital Plus）又稱為E-AC-3，是基於AC3的基礎進行加強的編碼系統。 它把最高位元率提升至6 Mbps，支援14聲道（13.1），增強的編碼技術能夠減少壓縮對雜訊（artifact）。
杜比数字+ - Dolby Professional
WEBDolby Digital Plus™ (E-AC-3) is an advanced surround sound audio technology that lets you experience up to 7.1 channels of high-fidelity surround sound.