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What is Audio Metadata? - AirenSoft
https://www.airensoft.com/post/what-is-audio-metadata
44,100 Hz or 44.1 kHz is the standard audio sample rate used in television broadcast systems. The International Media Association judged that the range of 20 to 20,000 Hz that is audible to the human ear, that is, 20,000 Hz, which is the limit of audible frequencies , should be more than double to reduce data loss according to the Nyquist theory.
Audio Metadata: You Can Get There From Here | TV Tech
https://www.tvtechnology.com/miscellaneous/audio-metadata-you-can-get-there-from-here
Importantly, all the audio and metadata are kept in-sync as one signal then decoded back to baseband PCM audio and metadata just prior to the Dolby Digital (AC-3) encoder. Another distribution technique gaining quite a bit of popularity involves embedding the eight channels of audio along with the video in the High Definition Serial Digital Interface, or HD …
TV Audio IS Getting Better, And We’re Learning To Use Metadata
http://www.moultonlabs.com/more/tv_audio_is_getting_better_and_were_learning_to_use_metadata/
This audio/metadata is re-encoded as Dolby E, leaves the postproduction studio and [is sent] to Master Control, where many incoming Dolby E streams are decoded back to their audio/metadata programs. The audio program/metadata pair that is selected to air is sent to the transmission Dolby Digital encoder, which encodes the program according to the metadata stream …
Audio data and metadata model for radio & television ...
https://imtec.irib.ir/documents/46246704/55602674/tavallaei-14.pdf
Audio data and metadata model for radio & television automation systems Mostafa Tavallaei December 13, 2017 1 . Audio in Radio & TV: 2 1. Container 2. Interface 3. Codec . Container 3 • BWF as an old but useful format • The specification of the BW64 (Broadcast Wave
ATSC 3.0 Audio: Structure and Metadata | TV Tech
https://www.tvtechnology.com/opinions/atsc-30-audi-structure-and-metadata
Let’s start by looking at the audio data structure of NGA systems. Currently, when prepping a mix for television, audio is the source and audio is the final output, whether it’s a stem, submix, iso, or full mix. In the NGA world, audio is treated more like data, and in fact that’s how A/342 refers to it, as audio data (see Fig. 1).
More about Audio Streams and Metadata - Audio Precision
https://www.ap.com/technical-library/more-about-audio-streams-and-metadata/
HDMI carries some metadata in InfoFrames, and APx500 can set and read Audio InfoFrame data. HDMI: Embedded audio stream metadata. Although audio on HDMI is packetized and multiplexed into a high-bit rate video stream, the format of the audio mimics IEC60958 audio and includes user bits, status bits and metadata related to coded audio. HDMI: EDID
What is Metadata and its role in an audio or video ...
https://www.muvi.com/blogs/metadata-role-audio-video-platform.html
In a Content Management System (CMS) for audio or video content, metadata is used to categorize content. This helps in identifying, retrieving, and relating it to other content. Metadata contributes to easier discovery of resources in a library by using more accurate content descriptions. This makes search and recommendations more granular.
EP3598769A3 - Using an audio stream to identify …
https://patents.google.com/patent/EP3598769A3/en
Systems and methods for using an audio stream to identify metadata associated with a currently playing television program are disclosed. A video stream including closed captions is received. A set of information is determined from the closed captions. A request including the set of information is sent to a server remotely located from the client for additional processing.
Metadata | Video Streaming Definition
https://www.haivision.com/resources/streaming-video-definitions/metadata/
Metadata can include information about the entire video stream or file or specific video frames. Created by cameras, encoders, and other video processing elements, metadata can include timestamps, video resolution, file size, closed captioning, audio languages, ad-insertion points, color spaces, error messages, and much more. For the metadata to be useful, it must …
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