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Audio Compression > Digital Broadcast Technologies | Cisco ...
https://www.ciscopress.com/articles/article.asp?p=106971&seqNum=4#:~:text=AC-3%20was%20selected%20as%20the%20audio%20compression%20system,left%2C%20right%2C%20center%2C%20left-rear%2C%20right-rear%2C%20and%20sub-woofer%20speakers.
TV audio and compression. (Or lack thereof.)
https://hydrogenaud.io/index.php?topic=116031.0
Now the ATSC TV broadcast system used to encode digital audio and video in the USA actually has an optional provision for the broadcaster to transmit metadata to TV receivers telling the receiver what the dynamic range of the program was, so the viewer could select how much compression to automatically insert in the TV receiver.
TV Broadcast Audio Compression : AudioPost
https://www.reddit.com/r/AudioPost/comments/pk6dgu/tv_broadcast_audio_compression/
TV Broadcast Audio Compression Hi. So, I've noticed that TV Broadcast audio uses some compression and equalizer, like for example (listen to both to notice difference) https://youtu.be/v_bVd4J4TPA https://youtu.be/dnsdJSANGVA the first one is an official song, second one is the movie version airing on Disney channel.
Audio Compression - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/computer-science/audio-compression
Two major competitive methods of audio compression are in widespread use in digital television systems: MPEG-1 Layer 2 and Dolby AC-3. Much of Europe and the U.S. DSS satellite system have chosen MPEG-1 Layer 2, whereas the U.S. cable industry and the U.S. broadcast standards use AC-3.
The Complete Guide to Audio Compression – Icon …
https://iconcollective.edu/audio-compression/
Audio compression reduces the dynamic range of an audio signal. Dynamic range is the difference between the loudest and quietest parts of a waveform. Compression reduces this range by attenuating the louder signals and boosting the quieter signals. As a result, the loudest and softest parts are closer in volume, creating a more balanced sound.
Digital Compression - How Digital Television Works ...
https://electronics.howstuffworks.com/dtv4.htm
Digital Compression. The idea of sending multiple programs within the 19.39-Mbps stream is unique to digital TV and is made possible by the digital compression system being used. To compress the image for transmission, broadcasters use MPEG-2 compression, and MPEG-2 allows you to pick both the screen size and bit rate when encoding the show.
The Basics of Broadcast Audio Processing | Page 2
https://www.hobbybroadcaster.net/resources/basics-broadcast-audio-processing-02.php
A compression ratio is the amount the input signal to the compression stage can increase to the level the output increases. If you have a compressor that has a 4:1 ratio this means that when the input increases 4 times the output only increases one time or doubles. Normal ranges are as low as 2:1 or as high as 20:1.
Digital television - Wikipedia
https://en.wikipedia.org/wiki/Digital_television
Instead the broadcast can use the channel to include PSIP and can also subdivide across several video subchannels (a.k.a. feeds) of varying quality and compression rates, including non-video datacasting services that allow one-way high-bit-rate streaming of …
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