Arabic حدة (موسيقى) Cited by user Nadhem2 on 22 Jan 2024 الحدة أو الدرجة هي خاصية إدراكية تسمح بترتيب الأصوات حسب سلم مرتبط بالتردد، أي حسب عدد تواتر الاهتزازات «الذبذبات» هيرتز في الثانية.
English Pitch (music) Cited by user 2600:1700:1262:4040:ECD5:9FDE:7ECE:3B67 on 03 Apr 2019 Pitch is a perceptual property of sounds that allows their ordering on a frequency-related scale, or more commonly, pitch is the quality that makes it possible to judge…
English Perception Cited by user Jasonaperez7 on 11 Dec 2018 All perception involves signals that go through the nervous system, which in turn result from physical or chemical stimulation of the sensory system.