Prosig Signal Processing Blog

Notes, tutorials, news and articles on digital signal capture, processing, techniques and applications

February 17, 2006

“STANDARD” OCTAVE BANDS

By Dr Colin Mercer, Technical Director, Prosig
The “standard” centre frequencies for 1/3 Octaves are based upon the Preferred Numbers. These date from around 1965. They are not specific to third octaves. The only reference we have is to British Standard BS2045:1965 Preferred Numbers. There are probably equivalent ISO and ANSI versions. read »»»

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