27. A speech analyzer according to claim 24 wherein said starting frame range limiting means comprises: means responsive to a multiple of said smallest minimum correspondence signal for selecting the highest speech pattern endframe of the level having a minimum correspondence signal less than said multiple of said smallest minimum correspondence signal as the range upper limit speech pattern starting frame of the next level and selecting the lowest speech pattern endframe of the level having a minimum correspondence signal less than said multiple of said smallest minimum correspondence signal as the range lower limit starting frame of the next level.
24. A speech analyzer according to claim 23 wherein said current level starting frame restricting means comprises: means for detecting the smallest of the minimum speech pattern endframe correspondence signals of a level and means responsive to said detected smallest minimum correspondence signal for limiting the range of speech pattern starting frames for the succeeding level.