Winnipeg By-law 1/2008, s. 65 — In this Part “ 'A' weighted sound level ” means the sound pressure level in decibels, designated as dBA, measured on a precision sound level meter using the "A" weighting network and "slow" meter response

In this Part “ 'A' weighted sound level ” means the sound pressure level in decibels, designated as dBA, measured on a precision sound level meter using the "A" weighting network and "slow" meter response;

“ ambient sound level ” means the ‘A’ weighted sound level at a point of reception, excluding the noise or sound which is the subject of an investigation for a potential contravention of this Part; “ Decibel

• (dB) ” means a unit for measuring the amplitude of sound, equal to 20 times the logarithm to the base 10 of the ratio of pressure of the sound measured to the reference pressure, which is 20 micropascals; “ point of reception ” means any point on any property where sound, originating from other property, is heard by a person who is engaged in normal activities; “ precision sound level meter ” means an instrument used to measure sound levels and specified as Type I or Type II Precision Sound Level Meter in CSA specification, Z107, 1- 1973, or the American National Standards Institute specification, ANSI SI.4-1971 (R1976), as amended from time to time. “statutory holiday” means a holiday identified in The Interpretation Act; “weekday” means every day of the week except Saturday, Sunday and statutory holidays. Exemptions