decibel reading

• soundAudible wave phenomenon
• loudnessPerceived sound intensity
• meterDevice that measures usage
• noiseUnwanted auditory disturbance
• volumeAmount of space filled

measurement · amplifier · speaker · hearing · threshold · frequency · intensity · earplugs · microphone · waveform · acoustic · pressure · concert · gauge · needle · peak · bass · treble

• Environmental MetricspH level, turbidity, COD, dissolved oxygen, carbon footprint
• sound testingmic check, balance test, mono test, test tone, frequency response