LINK ELECTRONICS, INC.
AUDIO DELAY for AES & ANALOG
Digiflex 1655
Front
Edge
Features
LED Set-up Display
Lip Sync Correction
Analog or AES Delay
Delay up to 2 seconds
Conversion, AtoD & DtoA
Adjustable in steps of 1mS
Mechanical Rotary Encoder
Input Bal. or Un-Bal. AES or Bal. Analog
Continuous outputs of AES and Analog Audio
Selectable AES samples rates for Analog input
Useable with different rear cells for AES Audio Distribution
MADE IN THE USA
The Digiflex 1655 is a single digital audio
processor that can be placed into an AES or
analog audio path to transparently add a
selectable amount of delay of up to 2 seconds.
The delay is adjustable in 1mS steps with a
minimum delay through the card of 6.25 mS. This
provides an easy solution to lip sync errors caused
by delays from image processing within broadcast
operations.
There is an eight character display for showing the
function under adjustment, and a rotary encoder
for user input of the delay setting and input type,
located on the front card edge of the 1655 module.
The two push-button switches allow you to either
“Enter” a selection or “Escape” from that menu
item.
There are three (3) rear cells that can be used to
obtain audio delay and audio distribution for AES.
LINK
ELECTRONICS, INC. 2137 Rust Avenue Cape Girardeau, MO 63703-7668
Phone 573 334 4433 FAX 573 334 9255
The 1655/1055 will up convert from Analog to AES
as well as down convert AES to Analog. There are
three continuous outputs of AES balanced,
unbalanced, and balanced analog. The unit is
compatible with AES at the following sample rates
32 KHz, 44.1 KHz, and 48 KHz. When converting
analog to AES you can select the output sample
rate.
The 1655 operates in the model 1000 DigiFlex, or
7200 frames, and comes with the rear cell. The
rear cell has inputs for analog balanced, and AES,
which is externally switchable for either balanced
or unbalanced.
Up to ten modules can operate in the 1000/2
frame with dual power supplies. Performance is
unmatched in the industry.
DigiFlex 1655 AUDIO DELAY
SPECIFICATIONS
INPUT, AES:
Balanced: ............................................................... One AES3-1992, twisted pair 110S, 3 pin connector
Level: ..................................................................................................................................... 4V Nominal
Unbalanced: ..................................................................................................... One AES3-ID 75
Level: ............................................................................................................................... 800mV to 1.2V
Sample Rates: ............................................................................................. 32KHz, 44.1KHz, or 48KHz
Switch: .............. A two position switch on the rear I/O selects between Balanced and Unbalanced AES
INPUT, ANALOG:
Balanced: ......................................................................................... Two 3-Pin Connectors, Left & Right
Impedance: ...................................................................................................................................... 600
Connector: ............................................................................................................. Weco, 3 pin balanced
Common Mode Rejection Ratio: ..................................................................................................... >55db
OUTPUT, AES:
Balanced: ............................................................... One AES3-1992, twisted pair 110
Unbalanced: ....................................................................................................... One AES3-ID 75
Sample Rate: ................................................................................................ 32KHz, 44.1KHz, or 48KHz
Coupling: ............................................................................................................................................ DC
Amplitude: ................................................................. 4.2 volts p-p typical at 110
Jitter: .............................................................................................................................................. <0.1UI
OUTPUT, ANALOG:
Balanced: ......................................................................................... Two 3-Pin Connectors, Left & Right
Impedance: ...................................................................................................................................... 600
Connector: ............................................................................................................. Weco, 3 pin balanced
Signal-to-Noise Ratio: ..................................................................................................................... >55db
THD+N: ............................................................................................................................................. <.02
PERFORMANCE:
Delay Resolution: ............................................................................................................................. 1 mS
Minimum Delay: ............................................................................................................................ 6.25mS
Maximum Delay: ........................................................................................................... .2.00625 seconds
FRONT PANEL CONTROLS:
Switch, Enter: ....................................................................................................................... Push Button
Switch, Escape: .................................................................................................................... Push Button
Mode & timing adjustments: ................................................................................................. LED Display
Data Select: ..................................................................................................................... Rotary Encoder
S, 3 pin connector
S, 1V p-p typical at 75S
S BNC
S
S BNC
S
ENVIRONMENTAL:
Temperature: ............................................................................................................. 0° to 50°C Ambient
Humidity: ....................................................................................................... 0% to 90% non-condensing
Power: .......................................................................................................................................... 3 Watts
MECHANICAL:
Height ............................................ 3.2 Inch
Width: ........................................... 1.0 Inch
Length: ........................................... 10 Inch
REAR CELLS:
1016: .......... AES Bal in & 8 AES Bal outputs
1017: ....... AES UnBal in & 8 UnBal BNC out
1055: AES & Analog I/O, Conversion & delay
LINK
2137 Rust Avenue Cape Girardeau, MO 63703
Phone: 573 334 4433 FAX: 573 334 9255
www.linkelectronics.com
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
ELECTRONICS, INC.
Rerar Cell 1016
Rear Cell 1017
Rear Cell 1055
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