Yamaha Ddp1 Manual

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NATURAL SOUND  DIGITAL  PROCESSOR  DDP–1
PARAMETER MENU MODE
TEST
DDP-1
NATURAL SOUND DIGITAL PROCESSOR
CONTENTS
Safety Instructions  ......................................... 2
Profile of This Unit  ......................................... 4
Speaker System Setup  .................................. 5
Connections ................................................... 6
Turning On/Off the Power of This Unit  ........... 8
Table of Functions...

2
1 Read Instructions – All the safety and operating
instructions should be read before the unit is operated.
2Retain Instructions – The safety and operating instructions
should be retained for future reference.
3Heed Warnings – All warnings on the unit and in the
operating instructions should be adhered to.
4Follow Instructions – All operating and other instructions
should be followed.
5Water and Moisture – The unit should not be used near
water – for example, near a bathtub, washbowl, kitchen
sink,...

3
1. IMPORTANT NOTICE : DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the
instructions contained in this manual, meets FCC
requirements.  Modifications not expressly approved by
Yamaha may void your authority, granted by the FCC, to
use the product.
2. IMPORTANT :When connecting this product to
accessories and/or another product use only high quality
shielded cables.  Cable/s supplied with this product
MUST be used.  Follow all installation instructions.
Failure to follow...

4
Thank you for purchasing the Yamaha DDP-1, a sophisticated
digital sound processor designed specifically for decoding
Dolby AC-3.
This unit consists of an AC-3 RF demodulator, an AC-3
decoder and other original Yamaha functions developed using
the newest technology to reproduce AC-3 encoded sources
precisely as movie sound creators intended. AC-3 will lead
listeners into a totally new sound experience.This unit is equipped with “discrete” terminals for sending AC-3
multi-channel audio signals...

5
SPEAKER SYSTEM SETUP
As described on page 4, we recommend you to use this unit
connecting with the Yamaha RX-V2090. If you have already
set up a speaker system for the RX-V2090, you do not need to
prepare a new speaker system for this unit. Some functions on
this unit have been already preset to be suitable when this unit
is used with a speaker system for the RX-V2090. (Refer to
page 10 for details about those functions.) 
This unit will provide the best performance with a five-speaker
system setup:...

6
Note 1)If this unit is connected to the RX-V2090, no
connection is needed to this terminal. By the output
mode selections on function C2 to C5, low frequency
signals including signals from the LFE channel can
be output from the main L and R speakers. (See
page 10 for details.)
If the amplifier has a discrete subwoofer input
terminal, connect it with this unit’s SUBWOOFER
OUTPUT terminal.Note 2)Do not connect a normal audio output terminal of a
laserdisc player etc. to this unit’s AC-3 RF terminal....

7
AC-3 DIGITAL OPTICAL/COAXIAL terminals
These terminals input AC-3 signals in digital signal format.
They are provided for future use.
* Do not remove the cover of the OPTICAL terminal unless
you will use this terminal in order to protect the terminal from
dust.
AC OUTLET (UNSWITCHED)
The power cord of any audio/video unit can be connected to
this outlet.
The power to this outlet is not controlled by this unit’s POWER
switch. This outlet will supply power to the connected unit even
if this unit is...

TURNING ON/OFF THE POWER OF THIS UNIT
To turn on the power
Press the POWERswitch.
When an AC-3 data is input to this unit, the characteristics of
the data (from the source) are shown.
ex.)When there is no data input, or data other than AC-3 is input to
this unit, the input terminal on the rear of this unit used for
connection is shown.
ex.)
About the Audio Code
Audio code shows the formation and the number of channels.
ch : 3/2
To turn off the power
Press the POWERswitch so that the display turns off....

9
TABLE OF FUNCTIONS
MODE MENU (Function) PARAMETER Preset value Step of
(Category) (Control range/Choices) (Position) change
A 1. CENTER DELAY 0 ms to 5 ms 0 ms 1 ms
2. SURROUND DELAY 0 ms to 15 ms 5 ms 1 ms
3. DYNAMIC RANGE MAX/STANDARD MAX –
4. HIGH LEVEL CUT SCALE
*0.0 to 1.0 1.0 0.2
5. LOW LEVEL BOOST SCALE
*0.0 to 1.0 1.0 0.2
B 1. TEST: OFF/ON LEFT/CENTER/RIGHT/ OFF –
RIGHT SURROUND/
LEFT SURROUND
2. LEFT SURROUND LEVEL –6 dB to +6 dB 0 dB 1 dB
3. RIGHT SURROUND LEVEL –6 dB to +6 dB 0 dB 1 dB
4....

10
C1. INPUT
Choices: RF/OPT./COAX.
Preset position: RF
Selects the name of the input terminal on the rear of this unit
used for the connection with an AC-3 laserdisc player or
another AC-3 unit.
C2. CENTER SPEAKER
Choices: SML/LRG/PHANTOM
Preset position: SML
SML:Select this position when you use a center speaker
that is smaller than the main speakers. In this
position, low bass signals (below 90 Hz) at the
center channel are output from the MAIN OUTPUT
terminals.
LRG:Select this position when your...