IEC 61260-1: Electroacoustics — Octave-band and fractional-octave-band filters — Part 1: Specifications
Electroacoustics — Octave-band and fractional-octave-band filters — Part 1: Specifications
Specifies performance requirements for octave-band and fractional-octave-band digital and analog filters.
Key Clauses
| Clause | Title | Summary |
|---|---|---|
| 4.1 | Filter bands | Centre frequencies and bandwidth for 1/1 and 1/3 octave bands. |
| 5.2 | Attenuation limits | Class 0, 1, and 2 filter tolerance limits. |
| 5.3 | Reference frequencies | Base-10 and base-2 frequency series. |
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