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PROFESSIONAL AUDIO EQUIPMENT
PR ODUCT INFORMATION
STUDER
D19 Echo Canceller
Prepared and edited by:
STUDER Professional Audio AG
Technical Documentation
Althardstrasse 30
CH-8105 Regensdorf-Switzerland
Copyright by STUDER Professional Audio AG
printed in Switzerland
We reserve the right to make alterations.
STUDER is a registered trade mark of STUDER Professional Audio AG, Regensdorf
PI 11/96, Order No. 10.85.0161 (ED 0397)
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Summary of Contents for Studer D19
- Page 1 Technical Documentation Althardstrasse 30 CH-8105 Regensdorf-Switzerland Copyright by STUDER Professional Audio AG printed in Switzerland We reserve the right to make alterations. STUDER is a registered trade mark of STUDER Professional Audio AG, Regensdorf PI 11/96, Order No. 10.85.0161 (ED 0397)
- Page 2 D19 Echo Canceller For listening to the current program without be- STUDER Echo Canceller ing disturbed by the own delayed voice, the echo of the local signal has to be deleted from the re- turn signal. The delay range of currently available echo sup- pression products like telephone hybrids is not sufficient for these situations (some 100 ms).
- Page 3 D19 Echo Canceller 1. Operation ONCE The one-shot mode is setting the delay The Echo Canceller is operated locally with a few frontpanel elements. A serial remote port line once. After the first two valid meas- urements in sequence the delay will re- will be available as option.
- Page 4 D19 Echo Canceller 3. Specifications 2. Inputs / Output LOCAL IN Sampling Rate 16 kHz Analog line input of local source signal (XLR, Bandwidth 140...7300 Hz transformer-balanced) Compensation Range 1 s maximum Echo Suppression typ. 15…35 dB, FAR IN depending on quality...
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