Eventide BD 955 Manuel utilisateur

E^tide

the

step

iii

DIGITAL

AUDIO

DELAY

LINE

INSTRUCTION

MANUAL

EVENTIDE

INC..ONEALSANWAY

LITTLE

FERRY,

NEW

JERSEY

07643

•

201-64M

200

.TWX:

710-991-8715

LIMITED

WARRANTY

ALL

EVENTIDE

EQUIPMENT

WARRANTED

FOR

PERIOD

OF ONE

YEAR

from

the

date

purchase

from

Eventide

.f®®

J®''.'

against

defects

material

workmanship.

case

difficulty,

consult

Eventide

your

dealer

for

instructions.

This

warranty

does

not

apply

mechanical

defects

caused

use

rough

handling,

damage

caused

improper

operation

not

accordance

with

this

manual.

Cause

defect

the

sole

judgement

Eventide.

There

are

other

express

implied

warranties,

and

warranty

merchantability

fitness

for

particular

purpose.

The

warranty

voidable

Eventide's

option

under

the

following

circumstances:

the

equipment

connected

improper

voltage

supply,

the

user

makes

unauthorized

modifications

any

type,

such

modifications

are

made,

user

agrees

pay

for

any

time

parts

necessary

remove

the

modification

before

repair.

Eventide

will

under

circumstances

responsible

for

consequential

damages

caused

failure

equipments

its

manufacture,

for

any

other

reason.

Our

sole

liability

for

repair

replacement

defective

parts,

under

the

terms

the

warranty.

SHIPPING

Equjpment

should

returned.

possible.

the

original

packing

container.

Loose

cards

must

wrapped

conductive

foil

(damage

caused

failure

this

will

render

the

warranty

void).

the

original

container

not

available,

the

equipment

must

packed

prevent

damage

from

crushing

dropping.

Damage

caused

Inadequate

packing

for

service

return

not

covered

warranty.

recommend

shipping

via

UPS

rather

than

mail,

and

air

freight

you

are

hurry.

our

opinion

the

packing

container

inadequate

for

return

shipment,

reserve

the

right

supply

new

container

and

charge

for

same.

The

warranty

covers

return

shipping

the

continental

except

Alaska.

Return

shipments

will

not

insured

unless

the

customer

requests

and

agrees

pay

for

same,

expensive

form

shipment

requested,

customer

will

charged

for

same.

ALL

RETURNED

UNITS,

OUT

WARRANTY,

MUST

PREPAID

OUR

DOOR.

ALL

RETURNED

UNITS

MUST

ACCOMPANIED

COMPLETE

TROUBLE

REPORT,

DETAILING

ALL

THE

PROBLEMS

EXPERIENCED,

CONDITIONS

OPERATION,

ETC.

FOREIGN

SHIPMENTS

Foreign

shipments

must

returned

fully

prepaid,

including

Customs

and

brokerage

charges.

Repaired

equipment

will

shipped

all

charges

collect.

coiranerclal

invoice

stating

'goods

manufacture

being

returned

for

repair'

and

giving

fair

market

value

the

unit

should

accompany

the

shipment,

save

time

and

expense.

copy

this

invoice

should

also

mailed

Eventide.

REPLACEMENT

PARTS

UNDER

WARRANTY

will

done

free

charge

provided

that

the

defective

parts

and

the

warranty

card

for

the

unit

are

received

Eventide.

3/79

WARRANTY

REGISTRATION

FORM

MODEL

BD955

DIGITAL

DELAY

LINE

SERIAL

NUMBER

BANDWIDTH

7.5kHz

()

15kHz

(

)

DATE

PURCHASED

YOUR

COMPANY

ADDRESS

J)ELAY

6.4SEC

(

)

3.2SEC

(

)

1.6SEC

(

)

STEREO

MASTER

(

)

SLAVE

(

)

CITY/STATE/ZIP

STATION

CALL

LETTERS

STATION

CALL

LETTERS

(

)

(

)

(

)

(

)

CHIEF

ENGINEER'S

NAME

Person

whom

data

should

sent

different

from

Chief

Engineer

TITLE

Site

where

equipment

will

located

different

from

above

this

site

the

studio?

(

)

transmitter

(

)

both

()

From

whom

did

you

purchase

this

delay

line?

FACTORY?

()

DISTRIBUTOR/REP?

()

distributor,

please

give

name

and

location__

How

did

you

learn

about

this

product?

Additional

space

for

comments

desired.

Thank

you.

Please

check

you

would

information

other

Eventide

products:

H969

Harmonizer®(

)

H949

Harmonizer®(

)

H910

Harmonizer®(

)

SP2016

Signal

Processor

(

)

JJ193

Delay

Line

(

)

283O

Omnipressor®(

)

RETURN

FORM

TO:

EVENTIDE

INC..ONE

ALSAN

WAY

LITTLE

FERRY,

NEW

JERSEY

07643.

201-641-1200

•

BD955

page

TABLE

CONTENTS

Warranty

Form

Introduction

Specifications

Front

Panel

Controls

Front

Panel

Indicators

Input

Level

Setting

Rear

Panel

Connectors

System

Interconnection

Electronic

Block

Diagram

THEORY

OPERATION:

Timing

Oscillator

Timing

Chain

Analog/Digital

Converter

Input

Signal

Conditioning

Catch-Up

Mode

Controlling

the

JUMP

Command

JUMP

Timing

Diagram

Writing

Data

the

Memory

Stereo

Interconnection

INTERNAL

ADJUSTMENTS

AND

ALIGNMENT

PROCEDURE:

Pause

Level

Control

Oscillator

Frequency

Input

Gain

Output

Gain

A/D

Converter

Waveforms

(diagram)

Compander

Card

Top

View

(diagram)

Oscillator

Frequency

Adjustment

Analog/Digital

Converter

Current

Sink

Adjustment

Input

and

Output

Companders

Pause

Level

Control

A/B

Offset

Control

Adjustment

"Full

Gate"

Input

DIP

Switch

DUMP

Lamp

Jumper

A/B

Offset

Pot

Adjustment

(diagram)

DIP

Switch

(diagram)

TROUBLESHOOTING

(emergency

and

otherwise):

Timing

Chain

Companders

Main

Timing

Diagram

Lengthening

the

Maximum

Delay

SCHEMATICS:

Timing

and

Control

Logic

Input

Analog

A/D,

Output

D/A

Sheet

Memory

Addressing

Logic

and

Readout

Sheet

Memory

Board

and

Array

for

BD955's

with

S/N

B95757

Below

Sheet

Memory

Board

for

BD955's

with

S/N

B9575B

Above

Sheet

Power

Supply

and

Chassis

Compander

Card

APPENDIX:

Semiconductor

and

Internal

Adjustment

Drawing

A-i

Diodes

and

Transistors

used

the

BD955

^^"2

Integrated

Circuits

used

the

BD955»

with

Plnout

Diagrams

A-3

BD955

page

INTRODUCTION

The

BD955

Broadcast

Digital

Delay

Line

designed

enable

the

broadcast

licensee

meet

his

obligation

the

public

and

the

regulatory

author

ities

prevent

obscene

and/or

libelous

material

from

being

transmitted

over

his

facilities.

does

this

automatically

delaying

program

material

6.4

seconds,

thus

allowing

time

for

the

monitoring

operator

make

the

decision

whether

the

material

being

delayed

fits

either

category.

does,

either

two

methods

may

used

ensure

that

material

not

aired.

The

first

these

methods

standard:

taped

jingle,

censor

beep,

announcement

placed

the

air

and

the

delay

line

output

tem

porarily

cut

off..

The

second

method

unique:

newly

developed

electronic

circuitry

(patent

pending)

allows

the

entire

contents

the^

delay

"dumped",

and

the

program

resumed

without

interruption.

Auxiliary

circuitry

can

used

desired

prevent

uncontrolled

sources

(such

telephone

callers)

from

being

aired

until

the

delay

again

long

enough

provide

protection.

Additional

features

the

delay

line

include

the

ability

generate

short

delays

for

use

audio

production

applications,

and

synchronize

audio

and

video

cases

where

video

transmitted

via

satellite

and

audio

via

land-

ine.

When

compared

the

traditional

method

delay

using

tape

loops,

car

tridges,

even

two

recorders

with

the

tape

stretched

between

them,

the

BD955

exhibits

greater

reliability,

better

and

consistent

quality,

requirement

for

operator

attention,

and,

cases

where

used

continu

ally,

lower

monetary

cost

compared

that

high

quality

tape

machine

that

would

otherwise

unavailable.

course,

the

unique

variable

delay

capabilities

used

the

"catch

up"

mode

are

mechanically

unobtainable,

are

the

short

delay

times

useful

production

and

synchronization

appli

cations.

This

instruction

manual

covers

use,

principles

operation,

technical

data,

and

contains

alignment

and

troubleshooting

data

should

this

required.

have

also

reprinted

copy

the

"blurb

sheet"

for

your

convenience.

May

take

this

opportunity

thank

you

for

purchasing

this

Eventide

unit,

and

encourage

you

return

the

warranty

sheet.

This

will

permit

furnish

corrections

and

updates,

well

possible

application

notes

and

future

product

announcements.

you

have

any

questions

conments

should

pleased

hear

from

you.

Eventide

the

step

BROADCAST

DIGITAL

AUDIO

DELAY

LINE

MODEL

BD955

THE

DIGITAL

BROADCAST

DELAY

LINE

THAT

BREAKS

MURPHY'S

LAW!

tape

loops

that

snap.

moving

parts

that

break.

dead

air.

DlOlTAl-

vBNTiae

The

Eventide

BD955

broadcast

digital

audio

delay

line

offers

memory

capacity

delay

signals

6.4

seconds,

also

incorporates

unique

"catch-up"

feature,

which

eliminates

the

need

for

taped

jingle

announcement.

EXCLUSIVE

CATCH

MODE

With

the

BD955,

It's

easy

get

and

out

delay

oper

ation.

After

pressing

the

DUMP

button,

exclusive

mode

operation

allows

the

program

continue

real

time,

without

the

necessity

for

filling

the

delay

period

with

jingle

announcement.

Instead,

the

DUMP

button

depressed,

the

delay

goes

zero,

and

the

obscenity

deleted.

Then,

the

delay

Increases

variable

rate

while

the

program

continuing,

that

new

delay

margin

for

deletion

built

up.

This

catch-up

mode

does

not

Introduce

wow,

and

virtually

unde-

tectable

operation.

front

panel

display

shows.

digital

form

progression

lighting

LED's),how

much

margin

the

announcer

has.

Until

the

delay

fully

stored,

will

have

alert,

but

the

mode

per

mits

much

faster

resumption

the

program,

without

false

Interruptions.

The

catch-up

mode

may

defeated

normal

delay

operation

required.

VALUABLE

PRODUCTION

TOOL

When

not

being

used

editing

delay,

the

BD955

delay

line

may

used

production

tool.

Front

panel

switches

allow

setting

the

delay

from

about

6.5

milli

seconds

the

unit's

maximum

delay,

range

useful

for

many

production

effects.

Including

so-called

'doubling',

giving

the

audible

Illusion

multiple

speakers,

singers

Instrumentalists.

FULL

BANDWIDTH

PERFORMANCE

multl-LED

level

Indicator

promotes

proper

level

set

ting

for

maximum

dynamic

range.

The

standard

unit

provides

full

kHz

frequency

response.

For

applica

tions

where

wide

band

frequency

response

not

need

ed,

such

the

delaying

only

'phone

signals,

the

user

may

opt

for

7.5

kHz

model,

substantial

cost

saving.

EVENTIDE

INC.-

ONE

ALSAN

WAY

LITTLE

FERRY,

NEW

JERSEY

07643-201-641-1200-TWX:

710-991-8715

MODEL

BD955

BROADCAST

DIGITAL

DELAY

specifications:

INPUT

CHARACTERISTICS

Impedance

nominal

balanced,

maximum

level

dBm.

Full

dynamic

range

from

+22

dBm

levels.

XLR

female

connectors.

OUTPUT

CHARACTERISTICS

Electronically

balanced,

maximum

level

+22

dBm

Into

600

ohms.

XLR

male

connector.

DISTORTION

Less

than

.3%

kHz,

reference

level.

DYNAMIC

RANGE

Greater

than

from

clipping

noise

floor.

DELAY

Memory

capacity

3.2

6.4

seconds.

Front

panel

switch

allows

delay

setting

from

about

maximum.

FREQUENCY

RESPONSE

kHz

7.5

kHz

SIZE

Requires

8.89

(31/2")

48.26

(19")

panel

space.

Extends

31.75

(121/2")

behind

panel.

POWER

REQUIREMENTS

115

VAC,

50^0

Hz,

230

VAC,

50^0

Hz.

Nominal

power

dissipation

watts.

REMOTE

CONTROL

Control

the

DUMP

switch

and

Indication

delay

margin

provided

the

rear

panel

connector.

Relay

contact

closure

Indicates

manual

DUMP

activation.

HOTESs

7'/7e

pricing

the

BD955

Broadcast

Digital

Delay

Line

largely

dependent

upon

the

product

fre

quency

response

and

delay.

The

customer

urged

consider

his

requirement

carefully,

For

other

frequency

response

delay,

request

quotation.

★

Once

unit

has

been

purchased,

possible

alter

the

maximum

delay

time

with

little

trouble.

Ifi/IPRACTICAL

CHANGE

THE

FREQUENCY

RESPONSE.

★

STEREO

CONNECTION

for

two

units

available

small

extra

charge.

This

allows

either

unit

used

mono

backup.

FRONT

PANEL

CONTROLS

FUNCTION

CONTROL

BD955

page

FUNCTION

MAX—i

/—OSC

MANUAL

SLAVE

—

The

FUNCTION

control

determines

the

mode

operation

the

B0955

delay

unit.

Its

six

rotary

positions

operate

follows:

SLAVE:

Configures

the

delay

line

receive

delay

change

commands

from

another

BD955.

this

mode,

the

cable

provided

with

mas

ter/slave

combination

must

connected

both

units.

Both

DUMP

switches

are

connected

parallel,

and

activating

either

equivalent

■OSC

PAUSE

pressing

both

simultaneously.

After

the

de-

—

PAUSE

lay

reset

by.the

DUMP

button,

the

delay

both

units

will

increase

synchronously.

IMPOR

TANT

NOTE:

SLAVE

operation

does

not

transfer

the

MANUAL

control

setting

from

one

unit

the

other.

desired

operate

the

master

unit

the

MANUAL

mode,

the

SLAVE

must

also

MANUAL,

and

both

MANUAL

DELAY

controls

should

set

identically.

MANUAL:

this

mode,

the

MANUAL

DELAY

control

determines

the

delay

setting

the

unit.

fer

the

MANUAL

DELAY

control

description

for

information

settings.

MAXimum:

Setting

the

FUNCTION

switch

this

position

assures

that

the

catchup

rate

will

fast

permitted

the

internal

timing.

This

position

equivalent

the

rate

tained

setting

the

unit

OSC

with

the

catchup

rate

maximum,

PAUSE

operation

with

input

signal.

oscillator:

this

position,

the

catchup

rate

determined

internal

oscillator.

The

speed

the

oscillator

determined

the

CATCHUP

RATE

control.

Because

signal

charac

teristics

are

not

taken

into

account,

operation

the

oscillator

will

obtrusive

than

use

the

PAUSE

mode.

OSC

PAUSE:

This

mode

combination

the

oscillator

and

pause

modes.

used

primar

ily

assure

that

catchup

will

occur

even

with

continuous

program

material.

operation,

catchup

will

occur

the

oscillator

rate

pauses

occur,

faster

(and

less

obtrusively)

they

do.

PAUSE:

This

mode

causes

the

delay

increment

whenever

the

input

signal

drops

below

certain

threshold.

Thus,

delay

increased

during

syllabic

pauses

speech

silent

periods

programming.

Because

these

pauses

occur

during

low

signal

intervals,

this

mode

the

least

obtrus

ive.

BD955

page

MANUAL

DELAY

CONTROL

MANUAL

DELAY

SWITCH

When

the

FUNCTION

switch

the

MANUAL

posi

tion,

the

delay

determined

the

MANUAL

LAY

control.

This

position

rotary

switch

with

stop,

that

may

continu

ously

rotated.

calibrations

are

Included

the

front

panel

because

the

delay

not

only

function

the

switch

setting,

but

also

the

options

(delay/frequency

response)

purchased.

The

table

below

shows

the

approximate

delay

tained

each

switch

setting.

Note

three

special

positions:

Position

always

zero

delay.

Position

always

maximum

delay.

Post

ion

the

closest

approximation

the

round-trip

delay

time

video

signal

trans

mitted

geosynchronous

satellite.

This

permits

audio

signal

transmitted

landline

delayed

conveniently

that

audio

and

video

may

synchronized.

15KHZ

UNITS

DELAY

TIME

7.5KHZ

UNITS

SETTING

6.4sEC

3.2SEC

1.6SEC

6.4SEC

3.2SEC

1.6SEC

MAX.

DELAY

•

6.25

6.25 6.25

12.5

milliseconds

12.5

25 25

18.25

37.5

50 50

87 87

125

118

137

150

181

162

212

175

244

244 244

237

I-

275

250

306

306 306

262

387

362

337

375

325

469

418

369

437

387

337

525

450

375

450

400

300

631

506

431

562

462

412

737

587

487

675

575

425

894

694

545

837

637

487

1025

750

575

950

700

500

1.20

.881

.631

1.16

.81

.562

seconds

1.43

.987

.687

1.37

.975

.675

1.69

1.14

.768

1.64

1.08

.737

2.00

1.27

.825

1.90

1.20

2.36

1.45

.906

2.26

1.41

.862

2.79

1.66

1.01

2.73

1.63

.975

3.29

1.89

1.12

3.23

1.89

3.87

2.15

1.20

3.80

2.10

1.15

4.58

2.46

1.33

4.51

2.41

1.26

;

5.41

2.79

1.46

5.37

2.77

1.43

6.4

3.2

1.6

6.4

3.2

1.6

BD955

page

DUMP

INPUI_LEVEL

FAST

CATCHUP

RATE

SLOW

DUMP

CONTROL:

This

momentary

push

button

switch

Initiates

the

deletion

program

mater

ial

the

following

manner:

When

the

DUMP

switch

depressed,

the

delay

Instantly

goes

to.

zero.

will

remain

zero

long

the

button

held

In.

Internal

relay

closes

when

the

switch

pressed,

and

opens

about

1/2

second

after

the

switch

leased.

When

the

DUMP

switch

released,

the

delay

will

Increase

according

the

setting

the

FUNCTION

control.

Depressing

the

DUMP

switch

again

before

the

delay

has

reached

maximum

will

cause

the

delay

zero.

There

potential

conflict

between

the

MAN

UAL

DELAY

control

and

the

DUMP

switch:

When

DUMP

depressed,

the

delay

will

zero

regardless

the

MANUAL

DELAY

setting.

How

ever,

when

the

DUMP

switch

released,

the

delay

will

Immediately

assume

the

MANUAL

set

ting,

the

FUNCTION

switch

the

MANUAL

position.

INPUT

LEVEL:

This

control

continuously

variable

attenuator

which

allows

setting

the

unit

optimum

operating

level.

The

section

INPUT

LEVEL

SETTING

gives

criteria

for

pro

per

adjustment

this

control.

CATCHUP

RATE:

This

control

determines

the

rate

delay

Increase

the

OSCIllator

mode,

and

the

minimum

rate

delay

Increase

the

OSC

PAUSE

mode.

When

fully

counterclockwise,

the

catchup

rate

maximum.

When

the

control

fully

clockwise,

the

rate

quite

slow,

and

several

minutes

are

required

achieve

full

delay.

POWER

N/OUT

POWER

ON/OFF:

Placing

this

switch

position

applies

power

the

delay

When

power

applied

and

the

unit

the

MANUAL

DELAY

control

mode,

the

delay

Itlallzed

zero

prevent

transients

reading

Invalid

data

from

memory.

the

Ine.

not

In-

caused

LINE

IN/OUT:

Depressing

this

control

applies

audio

the

delay

line,

and

enables

Its

out

put.

When

OUT,

there

path

from

the

Input

the

output,

and

power

need

not

appiled.

Table des matières

Autres manuels Eventide Équipement d'enregistrement

Eventide

Eventide Eclipse Manuel utilisateur

Eventide

Eventide BD500 Manuel utilisateur

Eventide

Eventide MONSTERMAT RD770 Manuel utilisateur

Eventide

Eventide DSP7000 Manuel utilisateur

Eventide

Eventide H9000 Manuel utilisateur

Eventide

Eventide Misha Manuel utilisateur

Eventide

Eventide Instant Phaser Manuel utilisateur

Eventide

Eventide Harmonizer H910 Manuel utilisateur

Eventide

Eventide Harmonizer H910 Manuel utilisateur

Eventide

Eventide DIR911 Manuel utilisateur

Eventide

Eventide H9000 Manuel utilisateur

Eventide

Eventide H7600 Manuel utilisateur

Eventide

Eventide Harmonizer H910 Manuel utilisateur

Eventide

Eventide H9000R Instructions d'utilisation

Eventide

Eventide harmonizer H8000 Manuel du propriétaire

Eventide

Eventide H9000 Manuel utilisateur

Eventide

Eventide VR240 Manuel utilisateur

Eventide

Eventide TimeFactor Manuel utilisateur

Eventide

Eventide INSTANT FLANGER MK II FL201 Manuel utilisateur

Eventide

Eventide H8000FW Manuel utilisateur

Eventide

Eventide Harmonizer H910 Manuel utilisateur

Eventide

Eventide VR204HF Mode d'emploi

Eventide

Eventide 1745M Manuel utilisateur

Eventide

Eventide H9000 Manuel utilisateur

Manuels Équipement d'enregistrement populaires d'autres marques

KV2 Audio

KV2 Audio 500 Series Manuel utilisateur

Robotics Technologies

Robotics Technologies microBus-Cam II Manuel utilisateur

Seca

Seca 460 Manuel utilisateur

Cognex

Cognex MVS-8000 Series Manuel utilisateur

Mect

Mect MPNC006 Series Manuel utilisateur

Bad Caf

Bad Caf THE LEASH Manuel utilisateur

Strymon

Strymon NIGHTSKY Manuel utilisateur

Mitsubishi Electric

Mitsubishi Electric 16CH DIGITAL RECORDER DX-TL5000U Manuel utilisateur

Tews Technologies

Tews Technologies TPMC465 Manuel utilisateur

Honeywell

Honeywell Excel 50 Manuel utilisateur

SeaLevel

SeaLevel COMM+8.LPCI Manuel utilisateur

Arturia

Arturia AUDIOFUSE STUDIO Manuel utilisateur

Rukra

Rukra RK-1240 Manuel utilisateur

Samson

Samson SCOM Manuel utilisateur

Dynacord

Dynacord DPS260 Manuel utilisateur

Nice

Nice Core Manuel utilisateur

Pyle Pro

Pyle Pro PSS8 Manuel utilisateur

RF-System

RF-System TinyGate Manuel d'utilisation et d'entretien