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What Is Downmixing? Part 2: Surround (LtRt) | TV Tech

    https://www.tvtechnology.com/opinions/what-is-downmixing-part-2-surround-ltrt
    Part 2: Surround (LtRt) Stereo downmixing is easy, but creating a two-channel downmix of a 5.1 channel program that is matrix surround (LtRt) compatible while sort of preserving stereo and mono is much more difficult. This is the default downmix mode of most cable and satellite set-top boxes for two-channel audio output, usually via red and ...

Understanding LtRt Film Audio Deliverable? : AudioPost

    https://www.reddit.com/r/AudioPost/comments/j413hq/understanding_ltrt_film_audio_deliverable/
    Is this LtRt deliverable used a lot? - because from what i've experienced today it lessens the mix quality. A DCP is a 5.1 surround sound audio, not an LtRt, meaning its only playable on 5.1 theatre? Why would the LtRt be needed? I understand the idea of it being able to play on both 5.1 and stereo - but at a mix and audio quality loss?

workflow - Worry about broadcast specs on LtRt/LoRo fold ...

    https://sound.stackexchange.com/questions/10164/worry-about-broadcast-specs-on-ltrt-loro-fold-downs
    Audio should be mixed such that average loudness (using LKFS) of the LtRt mix shall be equivalent to the measured average loudness (using LKFS) of the 5.1 mix, within, ±1dB ~Universal Tech Specs for NatGeo Channels & Nat Geo Wild. But your spec is just a bit off. Peak stereo mix audio are not to exceed -10dbfs for NTSC, -8dbfs for PAL using ...

TAS5086 Downmix Type LoRo or LtRt? - Audio forum - Audio ...

    https://e2e.ti.com/support/audio-group/audio/f/audio-forum/490563/tas5086-downmix-type-loro-or-ltrt
    Internally how does the part create L' and R' from the 5.1 audio? Is it a LoRo style mix using the following algorithm: ... 3dB * Left Surround Channel) R'=R + (-3dB * Center Channel) + (-3dB * Right Surround Channel) Or does the downmix use the LtRt algorithm that mixes both surrounds and subtracts them from the L' channel and adds them to the ...

User's Manual - AudioCodes

    https://www.audiocodes.com/media/10460/ltrt-71405-mgcp-megaco-mediapack-series-users-manual-ver-66.pdf
    User's Manual 6 Document #: LTRT-71405 MediaPack Series Reader's Notes . User's Manual Notices Version 6.6 7 MediaPack Series Notice This document provides you with information on installation, configuration, and operation of MP-1X8 (8-port), MP-1X4 (4-port), MP-1X2 (2-port) the MP-124 (24-port) Media Gateways.

LTRT 09943-400HD Series IP Phone for Microsoft …

    https://www.audiocodes.com/media/9548/ltrt-09943-400hd-series-ip-phone-for-microsoft-skype-for-business-administrators-manual-ver-301.pdf
    Administrator's Manual Contents Version 3.0.1 7 400HD Series for Skype for Business 8.7.1.2 Restoring Factory Defaults from the Web Interface .....

ELI5: Lt/Rt and Lo/Ro : AudioPost - reddit

    https://www.reddit.com/r/AudioPost/comments/6my673/eli5_ltrt_and_loro/
    LtRt, at least for a 5.1 mixdown, is a matrix encoding. The Left Total Right Total = center channel down 3dB, Ls/Rs down 6dB, and LFE muted. The surrounds are added together to create a single "S" signal which is then added 180 degrees out of phase to the left + center signal = Lt and then added in phase (0 degrees) to the right + center signal = Rt.

What Is Downmixing? Part 1: Stereo (LoRo) | TV Tech

    https://www.tvtechnology.com/opinions/what-is-downmixing-part-1-stereo-loro
    Part 1: Stereo (LoRo) Part of the ATSC audio system, also known as Dolby Digital (AC-3), is the ability to send programming with any number of discrete audio channels up to 5.1 to any viewer- regardless of how many speakers they might have. Reproducing 5.1 channels of audio through a lesser number of speakers requires a process called downmixing.

SoundCode AAX Dolby Plug-in Suites - NEYRINCK

    https://neyrinck.com/soundcode/
    The SoundCode Broadcast Supreme Bundle is a suite of software tools making it easy to mix, encode, decode, and deliver audio for TV broadcast. It provides LtRt, Dolby Pro Logic IIx, Dolby Digital, and Dolby E technologies so you can meet delivery specifications for broadcasters worldwide. Learn more.

What do "Lo/Ro" and "Lt/Rt" stand for? | Home Theater Forum

    https://www.hometheaterforum.com/community/threads/what-do-lo-ro-and-lt-rt-stand-for.30803/
    I primarily use my DVD player audio via the digital output also. However, sometimes, I also like to alter the color compositions of my DVD output and process it through my Sima SCC for fun. In that situation, I do usually use only my analog stereo outputs of my DVD player at the same time to avoid audio mis-syncing.

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