An active anti-noise system for window-type and packaged type air conditioners

• Main Authors: Co, Rogelio, Isip, Dave, Macias, Dennis, Perez, Robert, Pulumbarit, Reginald C.
• Format: text
• Language: English
• Published: Animo Repository 1993
• Subjects: Air conditioning; Noise control; Digital control system; Soundproofing; Electronic digital computers > Programming; Signal processing > Digital techniques; xx2 Acoustical engineering
• Online Access: https://animorepository.dlsu.edu.ph/etd_bachelors/6245
• Institution: De La Salle University

Air conditioners tend to produce low frequency hums as some of its mechanical parts such as the compressor and fan wear out. At present this problem is dealt with by using passive devices such as sound deadening materials and absorbent paddings. However recently a newer technique has evolved and thi...