Dolby headphone mode, Ad converter type, Features tab – Grass Valley Imagestore 750 v.2.0.1 User Manual
Page 371: Low frequency effects

Imagestore 750 User Manual
Dolby Decode/Encode
Miranda Technologies Inc.
Page 371
Note: The meaning of this field is only defined as described if the
audio coding mode is 2/2 or 3/2. If the audio coding mode is 1/0,
2/0, 3/0, 2/1 or 3/1 then the meaning of this field is Reserved.
Dolby Headphone Mode
This setting indicates whether or not the program has been Dolby
Headphone-encoded. This information is not used by the AC-3 decoder, but
may be used by other portions of the audio reproduction equipment. If the
value is set to the reserved code, the decoder should still reproduce audio.
•
Not Indicated
•
Not Dolby Headphone Encoded
•
Dolby Headphone Encoded
Note: The meaning of this field is only defined as described if the
audio coding mode is 2/0. If the audio coding mode is 1/0, 3/0,
2/1, 3/1, 2/2 or 3/2 then the meaning of this field is Reserved.
AD Converter Type
This setting indicates the type of A/D converter technology used to capture
the PCM audio. This information is not used by the AC-3 decoder, but may
be used by other portions of the audio reproduction equipment. If the type of
A/D converter used is not known, the "Standard" setting should be chosen.
•
Standard
•
HDCD
Features Tab
The following section describes some parameters found within the “Features”
tab in Metadata Mode.
Low Frequency Effects
Indicates if the low-frequency effects (LFE) or subwoofer channel is on or
off.