7800 Multiframe Manual
7825DSK2-LG(-HD)(-3G) 3G/HD/SD Dual Downstream Keyer
Page 7-4
Revision 2.0
HTML
BEMB6R
- group 3 channel 4 of embedded audio on the input video
BEMB7L
- group 4 channel 1 of embedded audio on the input video
BEMB7R
- group 4 channel 2 of embedded audio on the input video
BEMB8L
- group 4 channel 3 of embedded audio on the input video
BEMB8R
- group 4 channel 4 of embedded audio on the input video
Silence
- the output audio channel will contain silence
GAIN:
Sets the output gain for the audio channel in question. To pass the audio through at the
received level, set the gain to 0. To boost the audio level, set the gain to a positive
value. To reduce the audio level set the gain to a negative value.
DUCK:
Sets the gain for the program audio when an audio mix is in effect. To pass the
background audio through at the received level, set the duck to 0. To boost the
background audio level set the duck to a positive value. To reduce the background
audio level set the duck to a negative value.
NON-PCM:
Selects whether the embedded audio is PCM. If the audio is PCM, set Non-PCM to No.
If the audio is not PCM, such as Dolby-E, set Non-PCM to Yes.
Once the unit is set up as per the above specification, select the
Submit
button to send
the configuration to the unit.
The
Update
button captures the changes from the unit that may be applied by GPIs or
Automation control and displays the results in the HTML Setup page.
The
Revert
button, removes any changes that were applied but not submitted.
7.1.2.
WAV File Playout
Wav files must either be 48KHz 16bit Stereo uncompressed audio, or 8KHz 8 bit Mono uncompressed
audio. The Audioclip layer is on top of the Black/Bkg/Fill/Audio Keyer layers, therefore the gain settings
boost the clip playout and the duck affects the active layer of the Black/Bkg/Fill/Audio Keyer layer. The
setting above provides for the audio clips (in play mode) to output on all audio channels, the audio is
mixed with the left and right channels of the pre-recorded audio clip. The left and right channels are
then mixed with all the output audio channels. The audioclip layer must be configured in order to hear
audio clips on the desired output channels. The logo layer must be enabled as indicated by the LED on
the front panel in order for audio clips to be mixed. If the logo layer is OFF, audio clips will play out in
memory, but they will not be mixed with the output audio. In the above example the active audio is
lowered by 24dB when a clip plays, and the clip level is raised by 6dB. The audio clip layer is only
active when an audio clip is playing out.
Audio clips and logos are treated exactly the same in the media keyers. The naming conventions for
both the audio clips and logos are the same.
Alphanumeric can be used for logos and audio clips, however the M2100/Quartz and XY protocol only
support numeric file names. If you are controlling them from automation, the logos and audio clips
must be numerically named following the protocol of 2 digits (i.e. 01 02, etc).
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