FOR-A FA-9600 Series User Manual

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13-5. LUT and GMT Files
Lut and gmt files referred in previous chapters are text files in which Gamma Curve and Gamut data
is recorded and have .lut and .gmt extension respectively. This chapter explains how to create and
edit these files. Use only one-byte alphanumeric characters and start with “#” for comments.
Default Gamma Curve (.lut) files and Gamut (.gmt) files are provided on the FA-9600 CD-ROM.
Use these sample files for your reference.
◆ Gamma Curve
A Gamma Curve sample file (.lut file) is shown below.
Gamma Curve name with up to 15
alphanumeric characters.
EOTF/OETF parameters.
Normally set to “0.”
Y Offset value
Narrow Range: 64
Full Range: 0
Parameters used for YCbCr quantization/de-quantization
From the top:
Narrow Range: 19152, 18724, 18724, 14016, 14336, 14336
Full Range: 16400, 16400, 16400, 16368, 16368, 16368
Enter three empty lines.
1024 of EOTF RAM 1A DATA
128 of EOTF RAM 1B DATA
128 of EOTF RAM 2 DATA
1024 of OETF RAM 1A DATA
1024 of OETF RAM 1A DATA
128 of OETF RAM 1A DATA
Enter this information in the first line.

FOR-A FA-9600 Series Specifications

General

Brand	FOR-A
Model	FA-9600 Series
Category	Media Converter
Language	English