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Koszyk
Application-Oriented Design of Active Noise Control Systems
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Acoustic noise is one of the most severe side effects accompanying rapid development of industry and transport, and equipping residential rooms with different sorts of devices. Prolonged exposure to high level noise may damage the hearing system and deteriorate other basic human systems. There are different passive methods to protect users against exposition to excessive noise. In active noise control an additional secondary sound source is used to cancel noise from the original primary source.
| Rok wydania | 2014 |
|---|---|
| Liczba stron | 196 |
| Kategoria | Inne |
| Wydawca | Akademicka Oficyna Wydawnicza EXIT Andrzej Lang |
| ISBN-13 | 978-83-7837-511-1 |
| Numer wydania | 1 |
| Język publikacji | angielski |
| Informacja o sprzedawcy | ePWN sp. z o.o. |
POLECAMY
Ciekawe propozycje
Spis treści
| Foreword | |
| Structure | |
| Declaration | |
| Acknowledgements | |
| 1. Introduction | |
| 1.1. Acoustic noise and necessity of its reduction | |
| 1.2. Active noise control and active structural acoustic control | |
| 1.3. Activity on active noise control in Poland and abroad | |
| 2. Noise control in industrial halls | |
| 2.1. Introduction | |
| 2.2. Existing solutions for enlarging local zones of quiet | |
| 2.3. Virtual-microphone control | |
| 2.4. Multichannel control with dynamically changing structure | |
| 2.5. Summary | |
| 3. Active reduction of device acoustic noise by controlling vibration of the device casing | |
| 3.1. Introduction | |
| 3.2. Plant modelling, and actuators and sensors location | |
| 3.3. Control structures and algorithms | |
| 3.4. Comments on control algorithms | |
| 3.5. Summary | |
| 4. Large-scale heating, ventilation and air-conditioning systems | |
| 4.1. Introduction | |
| 4.2. Problems in active noise reduction in ducts | |
| 4.3. Multi-module active control for large HVAC systems | |
| 4.4. Noise reduction in case of a high airflow | |
| 4.5. Active control of higher-order acoustic modes | |
| 4.6. Summary | |
| 5. Analogue active noise control in compact systems | |
| 5.1. Introduction | |
| 5.2. Test applications | |
| 5.3. Control system description | |
| 5.4. Control system design and validation | |
| 5.5. Hybrid control | |
| 5.6. Speech filter | |
| 5.7. Summary | |
| 6. Active noise reducing earplugs with enhanced speech communication features | |
| 6.1. Introduction | |
| 6.2. Earplug selection | |
| 6.3. General system structure | |
| 6.4. Signal sampling and conditioning | |
| 6.5. Single-channel fixed-parameter active noise control | |
| 6.6. Head rotation monitoring and two-channel active noise control | |
| 6.7. Speech enhancement | |
| 6.8. Speech coding/decoding and transfer - communication between users | |
| 6.9. Summary | |
| 7. Summary and conclusions | |
| References | |
| List of figures and tables | |
| Glossary | |
| Index | |
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