DTS CAE-4 Guida utente

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

Revision 2.2 Page iii

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

Revision 2.2 Page 2

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

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.

Revision 2.2 Page 3

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: (818) 706-3525 Twyford, Berkshire RG10-9NJ

or toll free in USA: 800-959-4109 UK

Customer Service Fax: (818) 879-2746 Telephone: 44-1189-349199

Fax: 44-1189-349198

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: (818) 706-3525

Fax: (818) 706-1868

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: 44-1189-349199

Fax: 44-1189-349198

INTERNET users may email DTS at the following address: dkrasnow@dtsonline.com

DTS Web Site: www.dtsonline.com

Future updates/new releases of the DTS Record Panel will be provided via the website.

Revision 2.2 Page 4

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

Revision 2.2 Page 5

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)

Revision 2.2 Page 6

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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