GBBopen 1.5 Reference -- double-metaphone

double-metaphone

double-metaphone string &optional extended-p => primary-index [, secondary-index] [Function]

Purpose
Compute the primary and secondary Double Metaphone phonetic-code strings of string.

Package :gbbopen-tools

Module :double-metaphone

Arguments and values

string		A string
extended-p		A generalized boolean (default is `nil`)
primary-index		A string
secondary-index		A string

Returns
One or two values: the primary and secondary phonetic-code strings. If there is no secondary code for string, only the primary string is returned.

Description
If extended-p is nil, strict Double Metaphone encoding is used. If extended-p is true, additional encoding rules that separate sounds are used for “B” and “P,” for “D” and “T,” for “F” and “V,” and for “S” and “Z.”

Examples

  > (double-metaphone "testing")
  "TSTN"
  > (double-metaphone "Smith")
  "SM0"
  "XMT"
  > (double-metaphone "Schmidt")
  "XMT"
  "SMT"
  > (double-metaphone "batboy")
  "PTP"
  > (double-metaphone "batboy" 't)
  "BTB"
  > (double-metaphone "Barlow")
  "PRL"
  "PRLF"
  > (double-metaphone "Barlow" 't)
  "BRL" 
  "BRLF"
  > (double-metaphone "buzz")
  "PS"
  > (double-metaphone "buzz" 't)
  "BZ"
  >

The GBBopen Project

double-metaphone