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Summary of Contents for Cedar DNS1000
- Page 1 CEDAR DNS1000 dynamic noise suppressor OWNER’S MANUAL © 2000 Audio Ltd CEDAR Manual version 1.00: August 2000...
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Page 3: Table Of Contents
SAFETY INSTRUCTIONS ..........2 SETUP ................3 AUDIO CONNECTIONS AND INDICATORS....4 FRONT-PANEL INDICATORS AND CONTROLS ....5 OPERATING THE DNS1000 ..........7 CASE STUDIES ..............9 Case 1: Traffic noise and other ambient sound ....9 Case 2: Tape hiss ..............11 Case 3: Excessive reverberation ........12 SPECIFICATIONS ............13... -
Page 5: Introduction
INTRODUCTION Thank you for purchasing this CEDAR DNS1000 Dynamic Noise Suppressor. Quality, speed and simplicity are paramount considerations in the design, DNS1000 and its features include the following: ■ Near zero latency has a group delay of less than 10 samples (typically less than... -
Page 6: Safety Instructions
This, in itself, will not cause damage, but may cause electrical shorting. This could damage the unit, and even cause danger to life. Always allow the to reach ambient temperatures naturally DNS1000 before connecting the mains power. ■ Mounting and ventilation You should place the on a flat, stable surface. -
Page 7: Setup
SETUP Unpacking Unpack the carefully. Save the carton and all packing materials since DNS1000 you may need them to transport the unit in the future. In addition to the DNS1000 and the packaging, the carton should contain the following: mains connection lead ■... -
Page 8: Audio Connections And Indicators
AUDIO CONNECTIONS AND INDICATORS Connections offers two audio connection standards. It passes its signal to both DNS1000 outputs irrespective of the input used. The standards are: Digital format ■ SPDIF Digital format ■ AES/EBU is not affected by channel status data. It will echo any such data DNS1000 directly to the outputs. -
Page 9: Front-Panel Indicators And Controls
FRONT-PANEL INDICATORS AND CONTROLS ■ Channel Selector You can use the to process channel 1, channel 2, or both channels DNS1000 presented to the active input. ■ Range Selector The Range Selector concentrates the ’s activity into the desired part of unit the audio spectrum. - Page 10 PAGE 6...
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Page 11: Operating The Dns1000
OPERATING THE DNS1000 Introduction divides a signal into a large number of well defined bands. DNS1000 Sophisticated digital filters analyse each of these bands and suppress the noise independently in each. The innovative design of this filter bank allows you to control the using relatively few front panel controls. - Page 12 Once you have chosen the range(s) and determined the Level, you control the action of the ’s filter bank using the Band Gain controls. DNS1000 The six faders represent six frequency bands distributed from lower frequencies (left) to higher frequencies (right) across the selected range.
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Page 13: Case Studies
The following case studies describe just three of the ways in which you can use You can apply the equally to recorded signals and to ‘live’ DNS1000. DNS1000 signals at the point of recording or transmission. Suppressing traffic noise and other ambient sound... - Page 14 Band Gain controls to -24dB for this stage. takes a short period to “settle” after moving the Level control DNS1000 (especially in the lower ranges) so you should not adjust it rapidly. Third, refine the Band Gain controls for optimum suppression.
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Page 15: Case 2: Tape Hiss
Suppressing tape hiss The DNS1000 can suppress the tape hiss that mars many older recordings. It will also improve the signal/noise ratio of dialogue tapes that have been poorly copied as well as those that are many generations old. First, identify the frequency range(s) in which the noise lies. -
Page 16: Case 3: Excessive Reverberation
In many situations, the can suppress excessive reverberation. This can DNS1000 be useful in TV production when you need to match the audio from a large recording studio or soundstage to visual images set in a small room or other enclosed space. -
Page 17: Specifications
Declaration of conformity Date of issue 1 October 2000 Equipment CEDAR DNS1000 Manufacturer CEDAR Audio Ltd Address 20 Home End, Fulbourn, Cambridge CB1 5BS, This is to certify that the aforementioned equipment, when used in accordance... -
Page 18: Licence And Limited Warranty
System, and are effective from the date of supply of the System by CEDAR Audio Limited to its immediate customer. 2.2 The Company hereby grants to the Licensee and the Licensee agrees to accept a non-exclusive right to use the System. - Page 19 insurrection or riots, embargoes, container shortages, wrecks or delays in transportation, inability to obtain supplies and raw materials, or requirements or regulations of any civil or military authority. WAIVER The waiver by either party of a breach of the provisions hereof by the other shall not be construed as a waiver of any succeeding breach of the same or other provisions, nor shall any delay or omission on the part of either party to exercise any right that it may have under this Licence operate as a waiver of any breach or default by the other party.
- Page 20 CEDAR DNS1000 Serial number: Inspected: QC Engineer: Designed and manufactured by CEDAR Audio Ltd 20 Home End Fulbourn Cambridge CB1 5BS United Kingdom www.cedaraudio.com info@cedaraudio.com...