DP569 Multichannel Dolby Digital Encoder

Audio Coding Algorithms
Dolby Digital (AC-3 as per ATSC A/52a specification)

Audio Sampling Rates
32, 44.1, or 48 kHz; user-selectable sample-rate conversion for independent input and encoded sampling rates

Frequency Response
Lower limit: <20 Hz; upper limit varies with data rate, sample rate, and channel mode; ±0.25 dB

Distortion
<0.01% at 1 kHz
<0.02%, 20 Hz algorithm upper limit

Dynamic Range
>110 dB

Coding Delay
Varies depending on operating mode; minimum 187 ms to maximum 450 ms
User-specified or automatic from external TTL pulse (External Delay Input)

Test Tone Generator
1 kHz (nominal) tone at 18 dB, 20 dB,
or µ dB (digital silence) referenced to
digital full-scale

Power Requirements
90–264 VAC, 50–60 Hz, auto sensing, 15 W maximum; this unit is designed to operate from a centrally switched power source

Dimensions and Weight
1-U rackmount: 44 × 483 × 305 mm
(1.75 × 19 × 12 inches)
Net: 3.9 kg (8.5 lb)

Environmental Conditions
5°C–45°C (41°F–113°F), natural
convection cooling
0%–90% relative humidity (noncondensing)

Regulatory Notices
North America: This unit complies with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules and Industry Canada ICES-003 Class A requirements. It is UL listed for the US and Canada.
Europe: This unit complies with the requirements of Low Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC and carries the CE marking accordingly.

Warranty
One-year limited parts and labor; see disclaimer.
Specifications subject to change without notice.

Disclaimer of Warranties
Equipment manufactured by Dolby Laboratories is warranted against defects in materials and workmanship for a period of one year from the date of purchase. There are no other express or implied warranties and no warranty of merchantability or fitness for a particular purpose, or of noninfringement of third-party rights (including, but not limited to, copyright and patent rights).

Limitation of Liability
It is understood and agreed that Dolby Laboratories’ liability whether in contract, in tort, under any warranty, in negligence, or otherwise shall not exceed the cost of repair or replacement of the defective components or accused infringing devices, and under no circumstances shall Dolby Laboratories be liable for incidental, special, direct, indirect, or consequential damages (including, but not limited to, damage to software or recorded audio or visual material), cost of defense, or loss of use, revenue, or profit, even if Dolby Laboratories or its agents have been advised, orally or in writing, of the possibility of such damages.