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youtube-dl is a free and open source software tool for downloading video and audio from YouTube [3] and over 1,000 other video hosting websites. [4] It is released under the Unlicense software license. [5] As of September 2021, youtube-dl is one of the most starred projects on GitHub, with over 100,000 stars. [6]
Video DownloadHelper is an extension for Firefox and Chrome web browsers. It allows the user to download videos from sites that stream videos through HTTP . The extension was developed by Michel Gutierrez.
In general, it is easy to create either robust watermarks or imperceptible watermarks, but the creation of both robust and imperceptible watermarks has proven to be quite challenging. [2] Robust imperceptible watermarks have been proposed as a tool for the protection of digital content, for example as an embedded no-copy-allowed flag in ...
Watermarks present an issue when archival videos are used for a documentary that strives to create a coherent story. In some cases, watermarks are blurred or digitally removed if possible to clean up the picture. In the absence of visually perceptible watermarks content control can be ensured with visually imperceptible digital watermarks. [2]
[7] [8] [9] The service was then revised and relaunched as YouTube Red on October 21, 2015, expanding its scope to offer advertisement-free access to all YouTube videos, as opposed to just music. [10] YouTube announced the rebranding of the service as YouTube Premium on May 17, 2018, alongside the return of a separate, YouTube Music ...
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An audio watermark is a unique electronic identifier embedded in an audio signal, typically used to identify ownership of copyright. It is similar to a watermark on a photograph. Digital watermarking is the process of embedding information into a signal (e.g. audio, video or pictures) in a way that is difficult to remove. If the signal is ...