Zixi Broadcaster/ZEC v18 Docum...
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Broadcaster Transcoder
Creating New Transcoding Profiles
4 min
in order for the broadcaster to switch from one encoding to another, different transcoding profiles must be configured first these transcoding profiles include the transcoding settings that can be used for the transcoding of streams supported video and audio formats include video decoding – mpeg2, h 264/avc , h 265/hevc, raw video encoding – mpeg2, h 264/avc , h 265/hevc, raw audio decoding – aac, mpeg 1 audio layer i / ii / iii, mpeg 2 audio layer i / ii / iii, ac 3 (dolby digital), opus for ac 3, which can contain up to six discrete channels of sound, the transcoder only supports the left and right channels and will ignore the other channels audio encoding – aac, aac he (high efficiency), aac hev2; e ac 3 (enhanced dolby digital), mp1 (mpeg 1 audio layer ii), opus or passthrough other audio codecs aac he and aac hev2 are only supported for zixi broadcasters, v13 and up the transcoder comes with the following pre set common video profiles 1080i60 / 1080i59 94, 1080p30 / 1080p25, 720p60, 720p50 / 720p30, 576i60 / 576p25, 480i60 / 480p29 97 you can also define your own custom profiles for downstream satellite workflows, you will probably need to generate constant bitrate (cbr) streams this setting is configured at the individual input level (not the transcoding profile level) to set a cbr, enter the desired transport stream bitrate (kbps) as described in the docid\ n8yumysvhstq6vghqcjdn section to create a new profile in the transcoder page, click + new profile the add new profile window is displayed select the desired codec type mpeg2, h 264 or h 265, or raw video for a video profile or select aac, opus, or raw audio for an audio profile enter the desired fields in the profile configuration (see table below for additional parameters) select a specific preset profile to automatically fill in the default settings for that profile, or select custom to create a new profile from scratch you can edit specific fields of a preset configuration while creating the profile if you want to configure the advanced options for the video profiles, select advanced options and fill in the respective fields (see table below for additional parameters) click apply the newly configured profile is created and appears on the scree transcoding profiles parameters true unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type unhandled content type

