DDP94
Quad-Speed Quad Speed multi channel Dolby Digital
(Plus), Dolby HE-AAC 5.1 and Dolby Pulse 2.0 encoder
with Dolby E decoder
A Synapse ® product
COPYRIGHT 2012 AXON DIGITAL DESIGN BV
ALL RIGHTS RESERVED
NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY FORM WITHOUT THE PERMISSION OF AXON
DIGITAL DESIGN BV.
DOLBY® PROCESSING
audio for video
Block schematic & I/O panel
DDP94
[QUAD SPEED AUDIO BUS]
2Ch
AES/EBU IN 1/2
SRC
AES/EBU IN 3/4
2Ch
SRC
AES/EBU IN 5/6
2Ch
SRC
AES/EBU IN 7/8
2Ch
SRC
AES/EBU IN 9/10
SRC
AES/EBU IN 11/12
SRC
32 CHANNEL
2Ch
52x17
INPUT
MUX
2Ch
2Ch
2Ch
GAIN
DELAY
+
GAIN
DELAY
+
GAIN
DELAY
+
GAIN
DELAY
+
GAIN
DELAY
+
GAIN
DELAY
+
GAIN
DELAY
+
GAIN
DELAY
+
2Ch
2Ch
2Ch
2Ch
2Ch
2Ch
AES/EBU OUT 1/2
DOWNMIX
DOLBY
PROLOGIC II
ENCODER
AES/EBU OUT 5/6
2Ch
AES/EBU OUT 3/4
AES/EBU OUT 7/8
STREAM MUX FOR
AUDIO
DESCRIPTION
8X4
MUX
2Ch
DELAY
VOX
DETECT
MULTI CHANNEL
DOLBY
ENCODERS
5.1 + 2.0
2+2+2+2
Digital
Digital Plus
HE AAC 5.1
Pulse 2.0
VO
MIXER
METADATA
METADATA
PROC
DECODER
LOSS OF ‘E’
FAIL
SWITCH
OPTIONAL READD-ON EMBED MULTIPLEXING
INSERTING OF
8 X 2-CHANNELS INTO 32
PROCESSED AUDIO
MUX
µP
FROM NEXT
ADD-ON
32CH
IN
TO MASTER
32CH
OUT
TO NEXT
ADD-ON
FROM MASTER
32CH
IN
RACK
CONTROLLER
INTERNAL SYNAPSE BUS
BPL11
BPX11
AES/EBU IN 1/2
AES/EBU IN 3/4
AES/EBU IN 7/8
METADATA I/O
AES/EBU (OR BITSREAM) OUT 1/2
AES/EBU (OR BITSREAM) OUT 3/4
AES/EBU (OR BITSREAM) OUT 5/6 (OR IN 9/10)
AES/EBU (OR BITSREAM) OUT 7/8 (OR IN 11/12)
Meta by-pass
relay by-pass
relay by-pass
relay by-pass
relay by-pass
AES/EBU IN 5/6
BPX11 only in 4in/4out mode
February 2012
DDP94
DOLBY® PROCESSING
audio for video
Features
The DDP94 is a Quad Speed ADD-ON Dolby E decoder and multi channel Dolby Digital (plus), Dolby
HE-AAC 5.1 and Dolby Pulse 2.0 encoder. The card is designed for the use with the Synapse high
efficient Quad Speed multiplexing audio bus. The Quad Speed bus enables ADD-ON cards to be
connected with a MASTER Card and have both input and output signals connected to this card for
convenient routing and integration.
The DDP94 receives the Dolby E or PCM from one of the 4 (or 6)physical AES/EBU inputs or any of
the 32 stereo pairs that can enter the card via the Quad Speed audio bus. The decoded stereo
AES/EBU signals are available on its 4 (or 2) physical output connectors, via the internal Synapse
bus directly to the MASTER Card or to the looping Quad Speed bus outputs. The same counts for
the bitstream outputs that can be routed to the physical outputs, the Quad Speed bus return path
outputs or the Quad Speed bus looping outputs. The latter will make it possible to route the
decoded E (PCM) streams to an adjacent ADD-ON card for further processing.
An additional level activated Voice Over processor is included. This processor detects a user defined
signal level and then ducks the predefined channels that are used to mix the VO with. The VO can
be applied to 8 stereo channels (user selectable). The DDP94 has the ability to use stream muxing
in a Dolby Digital Plus environment. This stream contains both the (multi channel) audio stream as
the audio description stream in a convenient single Dolby Digital Plus stream (single PID) or in a
dual stream (dual PID).
The DDP94 gets its processing clock from the MASTER Card and will operate fully clock synchronous
with this MASTER Card. You can use the DDP94 stand alone by locking on AES1 to 4 or Ref 1 or 2.
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Quad speed audio bus for convenient routing of ADD-ON channels
Optional re-inserting of processed audio for downstream post-processing (DLAxx)
4 or 6 physical stereo AES/EBU inputs and 16 stereo bus inputs.
4 or 2 physical stereo AES/EBU (can contain Dolby Bit streams) outputs and 8 stereo (into
16 stereo) bus outputs
I/O mode can be set to 6 in and 2 out (12 mono in 2 bitstream out)
E decoding with automatic source selection on loss of E
Up to 4 times 2.0 Dolby Digital (Plus) or Pulse outputs.
5.1 Dolby Digital (Plus)+ 2.0 Dolby Digital (Plus)
HE-AAC 5.1 + Dolby Pulse 2.0 stream
Dolby Pro Logic II encoding from downmixed discrete 5.1 source
Metadata mixing
Audio Description processing (single and dual PID)
Physical metadata output and input
Individual offset delay per input
Individual gain control per input (except bitstream input)
Able to handle all AES/EBU input formats
Full audio channel shuffling
Complementary cards:
 All Quad speed audio Master cards (G/HEP100, G/HED100, G/HRB100, G/HDK100,
G/HXT110 etc).
 DLA41, DLA42, DLA43 and DLA44
Applications
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Efficient Dolby processing to Quad Speed audio Master Cards.
Extra Dolby channel processing next to G/HEP100, G/HPD100 and G/HED100
February 2012
DDP94
DOLBY® PROCESSING
audio for video
Ordering information
Modules:
 DDP94: Quad Speed multi channel Dolby encoder with Dolby E decoder
Standard I/O:
 BPL11_DDP94: I/O panel for DDP94
 BPX11_DDP94: I/O panel for DDP94 with relay bypass.
Specifications
AES Audio Input
Connector
Standard
Number of Inputs
Sampling Rate
Resolution
Minimum Input Offset Delay
Input Gain Control
Gain step size
Impedance
Level
BNC
SMPTE 276M for single ended synchronous or
asynchronous PCM/AES
4
32 kHz to 192 kHz asynchronous
48 kHz synchronous in SRC off mode
24 bits
0 to 1300 ms
+12dB to -60 dB
0.25dB
75 Ohms
0.2V to 1V nom
Encoding
Encoding bitrate:
Encoding capabilities:
~200kbps for broadcast
~800kbps for disc based formats
Dolby Digital (plus)
Dolby HE-AAC 5.1
Dolby Pulse 2.0
Dolby Surround Pro Logic II
Reference input through RRC
Number of Inputs
Standard
2 on SFR18, 2 on SFR08 and 1 on SFR04
PAL Black Burst ITU624-4/SMPTE318, Composite
NTSC SMPTE 170M
1Vp-p nominal, 75 Ohms terminated through loop
AES/EBU or bitstream Audio Outputs - Dolby Digital (Plus)
Number of Outputs
4
Connector
Resolution
BNC 75 Ohms
ADD-ON bus
NA
Sampling Rate
48KHz synchronous
Nominal Input/Output Delay
200ms
Miscellaneous
Weight
Approx. 300g
Operating Temperature
Dimensions
0 °C to +50 °C
137 x 296 x 20 mm (HxWxD)
Electrical
Voltage
Power
February 2012
+24V to +30V
<13 Watts
DDP94