Back معالجة الإشارة الصوتية Arabic Обработка на аудиосигнали Bulgarian Processament de senyals d'àudio Catalan Audioprocesor Czech Ανάλυση ηχητικού σήματος Greek Procesamiento digital de audio Spanish Audiosignaali töötlus ET پردازش سیگنالهای صوتی FA Traitement du son French עיבוד אותות קול HE
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Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals. Audio signals are electronic representations of sound waves—longitudinal waves which travel through air, consisting of compressions and rarefactions. The energy contained in audio signals or sound power level is typically measured in decibels. As audio signals may be represented in either digital or analog format, processing may occur in either domain. Analog processors operate directly on the electrical signal, while digital processors operate mathematically on its digital representation.