DTS CAE-4 User guide

Revision 2.2

Revision 2.2 Page i
Table of Contents
1 Introduction............................................................... 1
1.1 OVERVIEW...................................................................................................................1
1.2 REGULATORY NOTICES.............................................................................................2
1.2.1 Emi Notice .............................................................................................................2
1.2.2 Patents...................................................................................................................2
1.3 RETURNS.....................................................................................................................2
1.4 WARRANTY INFORMATION........................................................................................3
2 Unpacking ................................................................. 4
2.1 UNPACKING.................................................................................................................4
3 Encoder Box Controls and Connectors.................. 5
3.1 QUICK-START SET-UP................................................................................................5
3.2 ELECTRICAL SPECIFICATIONS..................................................................................5
3.3 FRONT PANEL CONTROLS AND INDICATORS .........................................................5
3.3.2 Surround Switch 0dB/-3dB...................................................................................6
3.3.3 TC Trig/TC bypass ................................................................................................6
3.3.4 Lfe On/Lfe Off........................................................................................................6
3.3.5 1509k/754k.............................................................................................................6
3.3.7 DVD Status Indicator ............................................................................................6
3.3.8 CD Status Indicator...............................................................................................7
3.3.9 TC Indicator Light .................................................................................................7
3.3.10 READY Light ......................................................................................................7
3.3.11 RESET Switch (momentary)..............................................................................7
3.4 REAR PANEL CONNECTORS......................................................................................7
3.4.1 Mains Power with Power On/Off Switch .............................................................7
3.4.2 Time code Input ....................................................................................................8
3.4.3 Bitstream Output...................................................................................................8
3.4.4 L/R Digital Audio Input .........................................................................................8
3.4.5 LS/RS Digital Audio Input.....................................................................................8
3.4.6 Center/SubWoofer Digital Audio Input................................................................8
3.4.7 Input Channel Mapping ........................................................................................8
4 Example: Production Setups.................................. 9
4.1 GENERIC SETUP.........................................................................................................9
4.2 AUTHORING SYSTEMS SUPPORT...........................................................................12

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5 DTS Record Panel Software .................................. 13
5.1 OVERVIEW.................................................................................................................13
5.1.1 Panel.................................................................................................................... 13
5.1.2 Using Panel in CD Code (44.1)...........................................................................14
5.1.2 Optional Dos Utilities..........................................................................................14
6 E175-01 DVD Timecode Controller........................ 16
6.1 E175-01 DVD FEATURES ..........................................................................................16
6.1.1 Interface I/O.........................................................................................................16
6.1.2 Power................................................................................................................... 16
6.2.2 Signal................................................................................................................... 16
6.2 SETUP & INITIALIZATION..........................................................................................17
6.3 FUNCTIONAL DESCRIPTION ....................................................................................17
7 CAD-4 Professional Decoder................................. 19
7.0 SET-UP.......................................................................................................................19
7.1 MAINS POWER .......................................................................................................... 19
7.2 INTERFACE................................................................................................................19
7.2.1 Inputs...................................................................................................................19
7.2.2 Digital Outputs.................................................................................................... 19
7.3.3 Analog Outputs...................................................................................................19
7.3 STATUS INDICATORS ............................................................................................... 19
Appendix A.................................................................... 20
Time code embedding specifications..............................................................................20
A1.0 DTS Bitstream Time code Embedding Specification..........................................20
Coding of preamble ........................................................................................................21
Table 1 Preamble Words................................................................................................ 21
32-bit mode ....................................................................................................................21
16-bit mode ....................................................................................................................21
burst_info........................................................................................................................21
Table 2 burst_info........................................................................................................... 21
data_type........................................................................................................................22
Table 3 Values of data_type........................................................................................... 22
Reserved bits.................................................................................................................. 22
error_flag........................................................................................................................22
data_type_dependent.....................................................................................................22
data_stream_number .....................................................................................................22
length_code....................................................................................................................22
Burst spacing..................................................................................................................23

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The null data_type..........................................................................................................23
The DTS data_type ........................................................................................................23
Table 4 Values of data_type_dependent When data_type = 1 .......................................23
Placement of DTS frames into data bursts .....................................................................23
1.4.2 The time stamp data_type..................................................................................24
Figure 1. Encoding audio with time code. .......................................................................24
1.4.3 Preamble values..................................................................................................24
Time stamp payload.......................................................................................................24
Figure 2. Time stamps and DTS frames in the IEC958 data stream...............................26
Table 6 Frame Rate Code.............................................................................................. 26
Appendix B.................................................................... 27
Compacting files using the Join program ..............................................................................27
DTS Encoding System User Information.................... 27

Revision 2.2 Page 1
1 Introduction
1.1 OVERVIEW
This manual describes the configuration and operation of the DTS Professional Audio
Equipment, which includes the CAE-4 Professional Encoder, the CAD-4 Decoder, and the
E175-01 DVD Timecode Controller. This is the reference equipment to create DTS bitstreams
from 5.1 source material for DVD-Video and CD.
The manual explains the general requirements for encoding. It also outlines specific production
scenarios. The scenarios serve as examples for configuring production environments.
Operating software is included in this package (on CD-ROM), and it runs on Windows 95, 98,
2000 or NT systems. Use of the DTS Record Panel is described in Section 5 of the manual. At
the end of each project, always comply with standard industry practice for Quality Control (QC).
It is strongly recommended that QC always include critical listening of encoded material to
verify acceptability of content for end users.
A software playback panel will be available in the upcoming months. Until then it may be
necessary to use a third party program (ie; Sound Forge) for play back of DTS files directly
from your computer. A typical application is illustrated in Figure 6.
The E175-01 DVD Timecode Controller is described in Section 6 of this manual. It is used to
sync picture content with audio content for DVD-Video applications, enabling users to select an
encoding project start and end time.
Minimum Computer Requirements to operate the DTS Record Panel software:
1. Windows 95, 98, 2000 or NT
2. A PC with a minimum of 64 Mbytes of memory, a separate system drive and a data drive
with 4Gbytes (content dependent) free on hard drive.
3. Your will need to turn off background programs running (ie; screen savers, virus scan – off,
etc). This will insure a successful DTS encode bitstream capture into the computer.
4. It is suggested that in AGP video card be used where possible.
Sound Cards tested and verified for use with DTS Pro Audio Equipment:
1. SEK'D-PRODIF 96 Pro
2. Lynx One
3. Zefiro ZA2
4. MOTV 308/PC1324

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1.2 REGULATORY NOTICES
1.2.1 Emi Notice
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to correct the interference
at his own expense.
Canadian Department of Communications compliance statement:
This equipment does not exceed Class A limits per radio noise emissions for digital apparatus
set in the Radio Interference Regulation of the Canadian Department of Communications.
Operation in a residential area may cause unacceptable interference to radio and TV reception,
requiring the owner or operator to take whatever steps are necessary to correct the
interference.
Avis de conformite aux normes du ministere des Communications du Canada:
Cet equipment ne depasse pas les limites de Classe A D'emission de bruits radioelectriques
pour les appareils numeriques telles que perscrites par le Reglement sur le brouillage
radioelectrique etabli par le ministere des Communications du Canada. L'exploitation faite en
milieu residentiel peut entrainer le brouillage des receptions radio et television, ce qui olbigerait
le proprietaire ou l'operateur a prendre les dispositions necessaires pour en eliminer les
causes.
1.2.2 Patents
The DTS system has been granted the following patents:
US Pat. Nos. 5,451,942, 5,956,674, 5,974,380, 5,978,762 and other worldwide patents issued
and pending. "DTS" and "DTS Digital Surround" are registered trademarks of Digital Theater
Systems, Inc., Copyright 2000 Digital Theater Systems, Inc. All rights reserved.
1.3 RETURNS
If any of the items on your packing list cannot be found, contact DTS with the P/N and
description of the missing item(s). Refer to information below before sending any product back
to DTS.
For warranty repair, exchange or getting replacement parts, please call your local DTS office or
dealer.
A DTS Return Authorization (“RA”) number is required before sending any item back to the
factory. At the time of the call, DTS will require that you provide the serial number of any unit(s)
for return before warranty replacement units will be sent. All return packaging should be clearly
marked with the Return Authorization number on the outside of the package.

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Please send all returns to:
North America Europe
Digital Theater Systems, Inc. DTS SA
5171 Clareton Drive Unit 5, Ruscombe Lane
Agoura Hills, California 91301-4523 USA Tavistock Industrial Estate
Telephone: [phone] Twyford, Berkshire RG10-9NJ
or toll free in USA: 800-959-4109 UK
Customer Service Fax: [phone] Telephone: [phone]
Fax: [phone]
1.4 WARRANTY INFORMATION
Equipment manufactured by DTS, Inc. is warranted against defects in materials and
workmanship for one year from date of purchase. There are no other expressed or implied
warranties.
DTS, Inc. obligation is restricted to repair and/or replacement of defective parts. Under no
circumstances will DTS, Inc.be liable for any other damage, either direct or consequential.
All requests for repairs or information should include the unit serial number to ensure rapid
service.
DTS OFFICES AND TECHNICAL SUPPORT
North America (corporate headquarters)
Telephone: [phone]
Fax: [phone]
DTS engineers are available to assist you. If you have an emergency after
business hours, please leave a message on the answering service and we will
return your call as soon as possible.
Europe (UK)
Telephone: [phone]
Fax: [phone]
INTERNET users may email DTS at the following address: [e-mail]
DTS Web Site: www.dtsonline.com
Future updates/new releases of the DTS Record Panel will be provided via the website.

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2 Unpacking
2.1 UNPACKING
The packaging is designed for typical shipping and handling. Upon receipt of shipment, check
for signs of damage before opening and report all damage to the carrier. All shipments made
from DTS are the customer's responsibility once they leave our premises.
Before installation it is suggested that a complete inventory be taken to minimize problems or
questions during installation. Additionally, save all packing material until installation is complete
in the unlikely event that a component(s) requires return to the factory. Use the packing slip
that came with your unit to verify received inventory.
The following is a sample packing list for a single system.
Typical DTS Pro Audio Equipment Package consists of:
•CAE-4 Professional Encoder
•CAD-4 Decoder
•E175-DVD Timecode Controller
•E175-DVD (1/4” Jack) to Encoder ( XLR) Cable assembly
•E175-DVD power adapter
•DTS Software suite including the DTS Record Panal and bitstream tools software on
CD-ROM
•Record Panel software on CD-ROM
•CAE-4 Encoder System Manual
•Spec Sheets for the CAE-4 Encoder and CAD-4 Decoder

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3 Encoder Box Controls and Connectors
3.1 QUICK-START SET-UP
The diagram below illustrates a quick verification procedure for DTS equipment functionality
with minimal interface. If any system interface problems are encountered, refer to this simple
set-up.
Time code Input #1 (From DA88)
ABC
*set selector switch out
+ 9V input
Time code out
AC Adapter
XLR-1/4inch cable provided.
Place CAE-4 into TC bypass to verify operation without E175-01 DVD.
Verify decoder mains switch on side of unit is set to proper mains voltage. Monitor output with
amp/speakers.
Check time code trigger by setting up E175-01 DVD per section 6. Place CAD-4 into TC trig
position to start encoding on user selected start time.
3.2 ELECTRICAL SPECIFICATIONS
See spec sheets for summary specifications.
3.3 FRONT PANEL CONTROLS AND INDICATORS
The four pushbuttons from the left have LED indicators to show their status. Pressing the
button after reset changes the state of the control. The only way to set the control back to its
default state is to press reset again. Always press the reset switch after changing a front
panel switch or introducing new content type (44.1K to 48K) at the AES/EBU input.
CD Mode ENCODER SPECIAL NOTE
E175-01
DVD
CAE-4 Encoder
(timecode input)
(bitstream output)
Digital Inputs
L/R LS/RS C/LFE
DA88 (AES/EBU)
Content Source
CAD-4 Decoder
XLR Balance
Digital input* Monitor
(analog out)

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1234kbps is the only active mode for CD. The active front panel switches in CD mode are TC
TRIG or TC BYPASS and LFE ON or LFE OFF. In CD Mode, even though the other switches
show lighted LEDs when switched to other positions, they are ignored by the encoder
processor.
In DVD mode, ALL front panel switches are fully activated.
3.3.2 Surround Switch 0dB/-3dB
In the 0dB position the LS/RS surround channels are not attenuated, which is the typical setting
for consumer encoding. The -3dB position setting attenuates the surround channels by 3 dB, to
accommodate the differences in theatrical consumer monitoring levels used while mixing.
3.3.3 TC Trig/TC bypass
In the TC TRIG State, the encoder will start encoding when the E175DVD start time is passed.
The Encoder will embed time code (DVD Mode) into the DTS output bitstream per appendix A.
The E175DVD is enabling encoding when incoming time code is between the user entered start
and end times. The green encoding indicator on the
E175DVD will be on when valid time code is output. Note: The “End” time must be greater than
the “Start” time. If the end time is not known, it should be entered with a large number (up to 24
hours). Refer to section 6 for operation of the E175DVD. Verify the start and end times are
entered on the E175DVD screen. The TC Status LED will blink at a 15Hz (fast) rate before the
Encoder trigger point indicating that it is receiving time code and then blink at a 5Hz(slow) rate
after passing the trigger point. The TC LED will be off with no time code present.
The TC BYPASS switched mode does not require a time code generator input. The Encoder
will not embed time code. Once locked to valid AES/EBU digital inputs, the Encoder will start
encoding within a few seconds of turning the mains power on. The Encoder, the TC LED, and
READY LED indicators will remain solid green.
3.3.4 Lfe On/Lfe Off
This switch controls the encoding of the LFE (subwoofer) channel. With the switch in the ON
position, the encoder will brickwall lowpass the LFE input of the 120Hz and encode the filtered
audio into a discrete LFE channel in the bit stream with the switch in the OUT position, audio in
the LFE input channel is ignored.
3.3.5 1509k/754k
1509kbps/754kbps are bit rate options for DVD encoding.
The bitrate for CD encoding is fixed at 1234 kbps.
3.3.7 DVD Status Indicator
This light indicates digital inputs at 48k samples/seconds. When the DVD led is “ON”, the
encoder will automatically select a bit stream.

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Note: with no digital input, the DVD and CD LEDs flash in alternating sequence until an input is
applied.
3.3.8 CD Status Indicator
This indicates digital inputs at 44.1K samples/seconds. When the CD Led is ON, the encoder
will automatically select a bit stream peak MSB value of 14 bits.
3.3.9 TC Indicator Light
This light can be in 3 states; blinking, steady or off.
Blinking slow: TC is present and before the encoder’s trip point.
Blinking fast TC is present and past the encoder’s trip point.
Off: TC is not present.
3.3.10 READY Light
The ready light indicates normal or faulty encoding.
Steady: Input AES/EBU audio is present and since reset was last pressed,
encoding has started and has been continuous.
Blinking: Since reset was last pressed, encoding has started and then stopped for
any amount of time. If encoding restarted, LED will continue to blink until
the encoder is reset again.
Off: Encoding is not occurring. Normal for a few seconds after RESET has
been pressed.
3.3.11 RESET Switch (momentary)
Forces the encoder to update its input bitstream and front panel switch settings. Always
Depress the RESET switch after making any mode selection changes. In addition, RESET
clears the fault indication of the READY light. If a problem fails to clear with a RESET, cycle
the mains power switch.
3.4 REAR PANEL CONNECTORS
From left to right the connectors are as follows:
3.4.1 Mains Power with Power On/Off Switch
Autosensing 100-240VAC 50-60 Hz, 25 watts.

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3.4.2 Time code Input
3 pin XLR female, balanced 110 ohms.
3.4.3 Bitstream Output
3 pin XLR male, AES/EBU 110 ohms.
3.4.4 L/R Digital Audio Input
3 pin XLR female AES/EBU 110 ohms.
3.4.5 LS/RS Digital Audio Input
3 pin XLR female AES/EBU 110 ohms.
3.4.6 Center/SubWoofer Digital Audio Input
3 pin XLR female AES/EBU 110 ohms.
3.4.7 Input Channel Mapping
The AES input pairs channel assignments are fixed. Should you have a different input pair
arrangement, you may need a router to format the source material accordingly to accommodate
the input pairs specified in 3.4.4 – 3.4.6.

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4 Example: Production Setups
4.1 GENERIC SETUP
Figure 4.1.1 outlines the minimum system elements required for DTS encoding using the CAE-
4.
L/R
BITSTREAM
C/SUBLS/RS
CAE-4 ENCODER
TC
L/R C/SUBLS/RS
AES OUTPUT DEVICE
TC
AES INPUT
Bitstream capture
W orkstation
Figure 4.1.1 Generic Encoding Setup
First, source material must be supplied to the encoder as three AES/EBU digital inputs plus
time code. The encoded bit stream is then sent to an AES digital bitsteam capture workstation.
As the following examples illustrate, the source material can be provided from digital recorders
and digital audio workstations. The recording device is typically a digital audio workstation such
as a PC compatible computer equipped with a digital input audio card.
E175
DVD

Revision 2.2 Page 10
Figure 4.1.2 shows a test set up using industry standard equipment.
L/R
BITSTREAM
C/SUBLS/RS
CAE-4 ENCODER
TC
L/R C/SUB
IF88AE
LS/RS
DA88
TDIF
TDIF
TC
C/SUBL/R LS/RS
BITSTREAM
1/2 5/63/4
DTS CAD-4 5.1 DECODER
AES METER BRIDGE
Figure 4.1.2 Test Set Up with DA88 Source
The TDIF output of a Tascam DA88 is converted by a Tascam IF88AE into the three AES/EBU
channels required by the encoder; L/R, LS/RS, C/SUB. The TC OUT of the DA88 is connected
to the E175directly to the Encoder TC IN. The BITSTREAM OUT of the encoder is connected
to the DIGITAL INPUT of the DTS CAD-4 Decoder where it is converted back into L/R, LS/RS,
C/SUB AES formatted outputs. These three outputs are monitored by an AES Meter Bridge.
The six analog audio outputs are connected to a 5.1 audio monitor for audible evaluation.
E175
DVD

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The TDIF output of a Tascam DA88 is converted by a Tascam IF88AE into the three AES/EBU
channels required by the encoder; L/R, LS/RS, C/SUB. The TC OUT of the DA88 is connected
to the E175 and then directly to the encoder TC IN. The BITSTREAM OUT of the encoder is
connected to the DIGITAL INPUT of the DTS CAD-4.5.1 Studio Decoder where it is converted
back into L/R, LS/RS, C/SUB AES formatted outputs. These three outputs are monitored by an
AES Meter Bridge. The six analog audio outputs are connected to a 5.1 audio monitor for
audible evaluation.
To operate the test setup, perform the following steps after cabling as shown in the diagram.
•Turn on power to encoder.
•Load source material onto the DA88. Source material must be 48k to allow DVD
encoding or 44.1k to allow CD encoding.
•Select LFE ON or LFE OFF.
•Select surround 0db or -3db.
•If DVD (48k) source material is being used, select high or low encoding rate. CD source
material (44.1k) will always be encoded at 1234kbps.
•Select TC BYPASS/TC TRIGGER
•Press Reset
The audio from the DA88 which has been encoded then decoded will now be available at the
meter bridge and the monitors.
Figure 4.1.3 shows a DA88 source and an IBM Compatible workstation with a Sek’d PRODIF
96Pro digital sound card as a recorder.
If the encoder is set to “TC Trigger,” one must enter START and END time on the E175 (per
item 6.3)
A simple recording session with this setup and the DTS Record Panel software (referred to as
the Panel) is now described:
•Run the Panel (See Section 5 for set-up overview) on the PC.
•Open the Project menu. Define a path and name for the project. The output file which
is eventually recorded will be assigned a name automatically.
•Click on setup. Set source to desired device. Select desired input source.
•Select the desired encoder settings on the front panel of the encoder.
•Press the encoder reset button.
•Click record on the Panel program.
•Press play on the DA88
•Click stop on the Panel program when all of the desired source material has been
encoded and decoded.

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•Stop the DA88.
L/R
BITSTREAM
C/SUBLS/RS
CAE-4 ENCODER
TC
L/R C/SUB
IF88AE
LS/RS
DA88
TDIF
TDIF
TC
IBM COMPATIBLE
WORKSTATION WITH
AES/EBU SOUND CARD
SUCH AS Sek'd Prodif
96Pro
Figure 4.1.3 DA88 Source with PC Workstation
•Select the bit depth and weather the surround are ES encoded.
•Click on CHECK on the Panel program. An edit box will summarize the Format, bit rate,
start and stop time codes.
4.2 AUTHORING SYSTEMS SUPPORT
We are working to certify the following authoring systems for DTS. Contact your authoring
system provider if you have any questions regarding the interface.
Daikin Scenarist
Spruce Technologies
Sonic Solutions
Sony
Toshiba
MEI

Revision 2.2 Page 13
5 DTS Record Panel Software
5.1 OVERVIEW
The DTS record panel (PANEL) is provided to simplify the encoding check process. Start by
creating a directory called DTS Panel and copy all of the programs into this file.
Information regarding selecting 16bit - 16bit ES, ect…describing the meaning and use of .”dts”
(padded file) “.cpt” (compacted)
5.1.1 Panel
The Panel is a windows program capable of running on Windows 95, 98 and NT. The Panel
provides a method for recording or "capturing" the DTS Bitstream. Once captured, the
Bitstream can then be analyzed for dropouts and other syntax errors by using the check
function on the panel.
The edit function can then be used to properly format the bitsteam to accommodate the CD or
DVD authoring system, and can be used to trim the beginning and end of the file as needed.
A project file (*prj) is created that details all of the actions taken by the PANEL program. The
project file can be opened with.
The following sound cards have been verified to be compatible:
Lynx One ZEFIRO ZAZ MOTV 308/PCI324
SEK'D-PRODIF 96 Pro
-Continuity
-Sync
-report 1st/last TC
-meta data header
-tc stamp video frame rate
-bit depth
Figure 5.0 Record Panel Process Flow
Record/Stop Setup
Select sound card
C
heck .prj
(project
history)
Generate File
Output
Options:
pad
.cmp
.wav
Authoring
Trim

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5.1.2 Using Panel in CD Code (44.1)
Below is a description of the overall flow process for creation of DTS CD content. Note: it is
recommended to use an external program (Sound Forge, MS player or equivalent) to support
playback of the .wav files. Future release of the Panel software will include a play panel.
Bitstream capture PC
Figure 6.0 CD content Process Flow
5.1.2 Optional Dos Utilities
5.1.2.1 DTS Expand
The DTSExpand is a DOS program. This program will create a new padded (*.DTS) file from a
compacted (*.CPT), and file outputs a padded file.
Syntax Expand path:\file.(source) name.cpt path:\(output) filename.dts.
The Expand program will require the frame size information listed below:
Prompt for the source file DTS framesize
Rate(kbps) Compacted Frame Size
1509.25 2013
754.50 1006
DA88
5.1 Master CAE-4 Sound
card
Record
Panel .wav
file
Sound
Forge, MS
media
player or
Play
Panel*
DTS
DLT
Authoring
Compacted file DTS Expand Padded

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5.1.3.2 DTSbin2wave
DTS 2Bin is a DOS program. The bin2wave will convert a padded file to a wave file.
5.1.3.3 DTS2CPT
Syntax DS2cpt path : (“source”) filename.dts path:\(output) filename.cpt. DTS2cpt will create a
new padded (*.dts) file compacted (*.cpt) file.
padded bin2wave wav file

Revision 2.2 Page 16
6 E175-01 DVD Timecode Controller
6.1 E175-01 DVD FEATURES
•Starts/Stops the Encoder on user specified time
•Runs on a valid SMPTE time code input
•Accepts all standard frame rates 29.97/30ndf, 29.97df, 25df and 25f.
•All settings are saved in non-volatile memory
•The unit may be mounted into a 19 inch equipment rack or be placed on a desktop.
6.1.1 Interface I/O
6.1.2 Power
•Connect mains to AC power adapter. Connect the 9VDC output of the converter
labeled +9VDC 500ma (Note: center pin is +9V and the outside ring is ground) into
the rear of the E175-01 DVD. Attach a chassis ground to the rear of the unit or if
rack mounted verify chassis ground continuity.
6.2.2 Signal
•Plug a ¼” jack (stereo or mono) from the time code source to the “time code input
#1” rear input jack.
Signal Name Using TRS Plug) (Using A ¼” Phono Plug)
Time Code High Tip Tip
Time Code Low Ring Sleeve
Shield Sleeve
•Plug the “time code output” ¼” jack (provided) from the E175DVD to the CAE-4 Time
code input.
•Note: The only functional I/O on the E175DVD is the time code input and time code
output#1.