Junger-audio C8612 - Dolby® D/D+/AAC encoder Uživatelský manuál stáhnout pdf (Strana 2)

digital audio

modular

processing system

C8000

Dolby Digital / Digtal plus / Pulse (AAC) encoder

C8612

2/20

connector :

Metadata INPUT

female 9-pin D-Sub

1 GND

3 Rx (+)

4 GND

6 GND

8 Rx (-)

9 GND

technical specifications

Monitor output :

connector BNC

impedance 75Ω

signal level 1V

p-p

standard AES 3, SMPTE 276M unbalanced

data format 16, 20, 24bit

sample rate 48kHz

Input audio formats : 16, 20, 24bit

Output audio formats :

Dolby

D (AC3)

Dolby D plus

(E-AC3)

HE-AAC v1/2, AAC

Encoding latency : 135ms without automatic compensation turned off

300ms for all formats with automatic compensation

Metadata input : pin assignment :

format RDD6 metadata stream (RS485)

baud rate 115,2kbps

connector Sub-D, 9-pin, female

Backplane connector : ref. to DIN 41612, 64pin, a+b, male

Power supply : +5V DC

Consumption : approx. 600mA

Dimensions : 3RU, 4HP, 160mmd deep (Euro Format)

Ambient : 10ºC to 40ºC

Humidity : 90%, non condensing

Dolby

metadata

The Dolby Laboratories, Inc. have introduced the “data about the audio data“, the Dolby metadata

which are intended to travel along with the multi channel bit stream from acquisition (point of audio

recording) to delivery (Dolby Digital decoder at home (either part of the TV / Set Top Box or the home

theater system). Those metadata may control the home equipment in a way that the sound impression is

as close as possible to what the producers intention was when mixing a movie sound track.

There is not enough room for explanation of the Dolby metadata system in a product manual like this.

We recommend to those who are not familiar with this quite complex matter, to study the many

publications from Dolby Inc. probably found here:

http://www.dolby.com/gb/en/professional/technology/landing.html

You can browse the Technical Library and <Search> for “Metadata”. Here you will find the

“Dolby

Metadata Guide” and other useful information regarding Dolby technologies as well.

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