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Dolby E/AC-3 Metadata
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Dolby E/AC-3 Metadata
Metadata ( Dialnorm and Program config ) information contained in a Dolby E audio stream can be exposed
on the monitor wall in text form. Dolby E and PCM audio levels can be displayed via audio monitors.
Decoding of Dolby E metadata embedded as ancillary data (VANC) in the video stream is also supported.
• If multichannel audio (up to 8 channels) is coded in a Dolby E stream and transported over a single AES
channel, metadata and audio levels are extracted from the Dolby E stream:
– Limited to 1 embedded audio source, selectable, no ABT support
– VU and Peak meters (8 channels), for each source
– Program config, for each source
– Dialnorm for program 1, for each source
• If multichannel audio (up to 16 channels) is transported as regular AES channels (up to 8) in the SDI
embedded audio, metadata is extracted from VANC packets:
1080i 50 Hz 25 Hz PSF Teletext NTSC-N CC (608)
1080p 25 Hz Teletext NTSC-J CC (608)
1080p 25 Hz EM Teletext SECAM Teletext
1080 25PSF EM Teletext Component Y Only 525 None
1080p 23 98 Hz 24 Hz DTVCC (708) Component Y Only 625 None
1080p 23 98PSF 24PSF DTVCC (708) UNAVAILABLE None
1080p 24 Hz EM DTVCC (708) XGA None
1080 24PSF EM DTVCC (708) SXGA None
1080i 50 Hz Teletext WXGA None
1035i 59 94 Hz DTVCC (708) WSXGA PLUS None
SDI 525 CC (608) UXGA None
SDI 525 507 CC (608) UNSUPPORTED DVI None
SDI 625 Teletext 1080p 59.94 Hz DTVCC (708)
SDI 525 487 generic CC (608) 1080p 50 Hz Teletext
SDI 625 generic EM Teletext
Video format Decoded data Video format Decoded data