Binatone HD-1802 Manuel d'utilisateur télécharger pdf (Page 10)

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CHD 1812 Application - 60Hz to 59.94Hz Conversion

HDMI sources tend to be 60Hz and not

59.94Hz which is problematic for a SDI video

production environment. These sources are

also asynchronous, which means they will

require frame synchronization before they can

be used in production

In North American (or legacy NTSC) markets HDMI outputs tend to be 60Hz and not 59.94Hz which is the required frame rate

for production. The CHD 1812 can be used to solve this problem and convert a 60Hz HDMI signal to a 59.94Hz SDI signal. This is

accomplished using the integrated frame synchronizer (which will drop frames to achieve the desired frame rate)

HDMI inputs with @ 23.98/29.97/59.94Hz Frame Rates

HDMI inputs with @ 24/30/60Hz Frame Rates

HDMI inputs with @ 24/25/50Hz Frame Rates

The frame synchronizer is fully cross lock compatible, meaning it can cross lock between different standards. With a given reference signal

connected the synchronizer will drop or add frames to achieve a correctly synchronised (frame rate converted) SDI output.

Note. This conversio

sophisticated standards converter. Please refer to the tables below for the conversion possibilities. Red = Drop Frame, Yellow = Adding Frames

SDI Video Production Environment 59.94Hz

HDMI @ 60Hz

The CHD 1812 will synchronize the

HDMI source and convert the frame

rate to match the studio reference

(59.94Hz in this example)

HDMI Source

HDSDI @ 59.94Hz

Studio Reference

59.94Hz

Embedded Audio

Analog Audio

Reference

Signal

23.98Hz 24Hz

29.97Hz 30Hz 25Hz

59.94Hz 60Hz 50Hz

HDMI Input

SDI Output Formats

525 / 59.94Hz 525 / 59.94Hz 525 / 60Hz 625 / 50Hz

720p / 59.94Hz 720p / 59.94Hz 720p / 60Hz 720p / 50Hz

720P / 29.97Hz 720p / 29.97Hz 720p / 30Hz 720p / 25Hz

720p / 23.98Hz 720p / 23.98Hz 720p / 30Hz 720p / 24Hz

1080i / 59.94Hz 1080i / 59.94Hz 1080i / 60Hz 1080i / 50Hz

1080p / 59.94Hz 1080p / 59.94Hz 1080p / 60Hz 1080p / 50Hz

1080p / 29.97Hz 1080p / 29.97Hz 1080p / 30Hz 1080p / 25Hz

1080p / 23.98Hz 1080p / 23.98Hz 1080p / 30Hz 1080p / 24Hz

Reference

Signal

23.98Hz 24Hz

29.97Hz 30Hz 25Hz

59.94Hz 60Hz 50Hz

HDMI Input

SDI Output Formats

525 / 60Hz 525 / 59.94Hz 525 / 60Hz 625 / 50Hz

720p / 60Hz 720p / 59.94Hz 720p / 60Hz 720p / 50Hz

720P / 30Hz 720p / 29.97Hz 720p / 30Hz 720p / 25Hz

720p / 24Hz 720p / 23.98Hz 720p / 30Hz 720p / 24Hz

1080i / 60Hz 1080i / 59.94Hz 1080i / 60Hz 1080i / 50Hz

1080p / 60Hz 1080p / 59.94Hz 1080p / 60Hz 1080p / 50Hz

1080p / 30Hz 1080p / 29.97Hz 1080p / 30Hz 1080p / 25Hz

1080p / 30Hz 1080p / 23.98Hz 1080p / 30Hz 1080p / 24Hz

Reference

Signal

23.98Hz 24Hz

29.97Hz 30Hz 25Hz

59.94Hz 60Hz 50Hz

HDMI Input

SDI Output Formats

625 / 50Hz 525 / 59.94Hz 525 / 60Hz 625 / 50Hz

720p / 50Hz 720p / 59.94Hz 720p / 60Hz 720p / 50Hz

720P / 25Hz 720p / 29.97Hz 720p / 30Hz 720p / 25Hz

720p / 24Hz 720p / 23.98Hz 720p / 30Hz 720p / 24Hz

1080i / 50Hz 1080i / 59.94Hz 1080i / 60Hz 1080i / 50Hz

1080p / 50Hz 1080p / 59.94Hz 1080p / 60Hz 1080p / 50Hz

1080p / 25Hz 1080p / 29.97Hz 1080p / 30Hz 1080p / 25Hz

1080p / 24Hz 1080p / 23.98Hz 1080p / 30Hz 1080p / 24Hz

SDI Fiber Output (option)

CHD 1812

HDMI to SDI Converter + Frame Sync

Speciﬁcations subject to change

LYNXTechnik AG | Broadcast Television Equipment

www.lynx-technik.com

CHD 1812

yelloGUI compatible

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Binatone HD-1802 Manuel d'utilisateur Page 10

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