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Nth Octave Frequency Bands

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Nth Octave Frequency Bands

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03 Mar 2008 (Updated )

Calculates the 1/Nth octave center and edge frequency bands from minf to maxf.

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Description

This program calculates the 1/N-octave band center and edge frequencies from min_f to max_f (Hz). The Exact and nominal frequencies are output in arrays. The nominal frequencies are also output in a cell of string of characters for plotting purposes.
This program satisfies the frequency band requires established in ANSI S1.6 and ANSI S1.11.

If you find a bug or have a question please post a comment or send an email to ezechma1@hotmail.com

Acknowledgements

Octave Centre Frecuencies and Octave inspired this file.

MATLAB release MATLAB 8.1 (R2013a)
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Comments and Ratings (1)
02 Jul 2013 ufuk  
Updates
19 Aug 2008

Added rounding last digit to nearest
multiple of 5. Added Examples. Updated Comments.

21 Aug 2008

Fixed a bug which occurs when the frequency range [min_f, max_f] does not include 1000 Hz. Also zipped the dependent sd_round program.

18 Dec 2008

Updated program to satisfy ANSI S1.6 for full octave bands and third octave bands.

04 Oct 2014

Modified the even octave bands to have 1000 Hz as an edge frequency. Changed the number of significant digits calculation for rounding. Limited the number of bands per octave from 1 to 43.

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