Miranda Kaleido-X Manual de usuario descargar pdf (Pagina 14)

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Kaleido multi-viewers

Picture-in picture and display customization

Picture-in-picture displays can be generated for easy comparisons between playout and return

feed signals or for the playout server’s backup confidence monitoring.

Bitmap images can be displayed to customize the display background with channel logos and

other graphics.

Loudness / Dolby E monitoring

In addition to displaying the Dialnorm value encoded in the video signal, Kaleido-X processors

can also measure the perceived Loudness of the audio signal and compare it to the encoded

value. The system can alert operators when signals exceed thresholds, by comparing the

Dialnorm and measured Loudness against a target values. The Loudness is measured using

LEQ-A or ITU-R-BS-1770.

Display of Closed Captioning, Subtitles and XDS data

Closed Captioning and Subtitles are presented in the format seen by television viewers in their

homes. XDS data, including Vchip information, can also be overlaid in each video window, along

with the Dolby E Metadata, AFD/WSS formats, and audio/video signal format.

Signal validity monitoring

The following parameters can be detected and presented on-screen, or reported to SNMP-based

signal and facility monitoring systems, including Miranda’s iControl systems:

Probing points can be configured with different thresholds, and a specific probing zone within

the video can be configured for the freeze and black detection.

Video probing

› video black

› video frozen

› video level too high

› loss of video

› EAV/SAV error

Audio probing

› audio silence

› audio overload

› audio mono

› audio out of phase

Metadata monitoring

› XDS data including Vchip

rating

› Closed Captioning and

Teletext (608, 708 and WST

42 & 47) is presented in the

format seen by television

viewers in their homes

TV-PG-SV

TV-PG

00:11:43

BrianJohnson’sfavoritehobbyisridinghis450ccdirtbike

rough

th

ba

ckwoods

ofhi

Re

Ri

ver,

Te

xas,

ra

nch.

Audioformat: PCM

Video

f

ormat: 1080i

5

AFD:

 1

6_9_2

Expected: -27dB

Dialnorm: -26

d

Loudness: -32

d

Loudness out of range

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 23 24

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