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Opus is a lossy audio coding format developed by the Xiph.Org Foundation and standardized by the Internet Engineering Task Force, designed to efficiently code speech and general audio in a single format, while remaining low-latency enough for real-time interactive communication and low-complexity enough for low-end embedded processors.
Presentation time stamps (PTS) are embedded in MPEG transport streams to precisely signal when each audio and video segment is to be presented and avoid AV-sync errors. . However, these timestamps are often added after the video undergoes frame synchronization, format conversion and preprocessing, and thus the lip sync errors created by these operations will not be corrected by the addition ...
Not standardized, and not a real video file in the classical meaning since it merely references the real video file (e.g. a .webm file), which has to exist separately elsewhere. A .gifv "file" is simply a HTML webpage which includes a HTML video tag, where the video has no sound. As there were large communities online which create art using the ...
When it was released, the computer press reported on the change approvingly: "PowerPoint 4.0 has been re-engineered from the ground up to resemble and work with the latest applications in Office: Word 6.0, Excel 5.0, and Access 2.0. The integration is so good, you'll have to look twice to make sure you're running PowerPoint and not Word or Excel."
Audio inpainting (also known as audio interpolation) is an audio restoration task which deals with the reconstruction of missing or corrupted portions of a digital audio signal. [1] Inpainting techniques are employed when parts of the audio have been lost due to various factors such as transmission errors, data corruption or errors during ...
Apple TV's audio chip supports 7.1 surround sound, [97] and some high definition rentals from iTunes are offered with Dolby Digital 5.1 surround sound. [98] There is an Apple TV export option in QuickTime which allows content in some formats that the device does not support to be easily re-encoded. [ 99 ]
Subtitles may also add information that is not present in the audio. Localizing subtitles provide cultural context to viewers. For example, a subtitle could be used to explain to an audience unfamiliar with sake that it is a type of Japanese wine.
Specifically, Flash Player will work with video compressed in H.264 (MPEG-4 Part 10), audio compressed using AAC (MPEG-4 Part 3), the F4V, MP4 (MPEG-4 Part 14), M4V, M4A, 3GP, and MOV multimedia container formats, 3GPP Timed Text specification (MPEG-4 Part 17), which is a standardized subtitle format and partial parsing capability for the "ilst ...