9. An apparatus for extracting a prosodic feature of a speech signal, comprising: a hardware processor including: a framing unit adapted to divide the speech signal into speech frames; a transformation unit adapted to transform the speech frames from time domain to frequency domain; a prosodic feature calculation unit adapted to calculate respective prosodic features for different frequency ranges; a first extracting unit adapted to extract a traditional acoustics feature for each speech frame; a calculating unit adapted to calculate, for each said prosodic feature, a feature associated with a current frame, a difference between the feature associated with the current frame and a feature associated with a previous frame, and a difference between the feature associated with the current frame and an average of respective features in a speech segment of the current frame; a second extracting unit adapted to extract a fundamental frequency of the current frame, a difference between the fundamental frequency of the current frame and a fundamental frequency of the previous frame, and a difference between the fundamental frequency of the current frame and an average of respective fundamental frequencies in the speech segment of the current frame; and a recognizing unit adapted to recognize speech associated with the speech signal based on the calculating of said calculating unit and the extracting of said second extracting unit, wherein the prosodic feature calculation unit includes one or more of the following units: a thickness feature calculation unit adapted to calculate a thickness feature of the speech signal for a first frequency range, wherein the thickness feature is based on frequency domain energy of the first frequency range; a strength feature calculation unit adapted to calculate a strength feature of the speech signal for a second frequency range, wherein the strength feature is based on time domain energy of the second frequency range; and a contour feature calculation unit adapted to calculate a contour feature of the speech signal for a third frequency range, wherein the contour feature is based on a time domain envelope of the third frequency range.
9. An apparatus for extracting a prosodic feature of a speech signal, comprising: a hardware processor including: a framing unit adapted to divide the speech signal into speech frames; a transformation unit adapted to transform the speech frames from time domain to frequency domain; a prosodic feature calculation unit adapted to calculate respective prosodic features for different frequency ranges; a first extracting unit adapted to extract a traditional acoustics feature for each speech frame; a calculating unit adapted to calculate, for each said prosodic feature, a feature associated with a current frame, a difference between the feature associated with the current frame and a feature associated with a previous frame, and a difference between the feature associated with the current frame and an average of respective features in a speech segment of the current frame; a second extracting unit adapted to extract a fundamental frequency of the current frame, a difference between the fundamental frequency of the current frame and a fundamental frequency of the previous frame, and a difference between the fundamental frequency of the current frame and an average of respective fundamental frequencies in the speech segment of the current frame; and a recognizing unit adapted to recognize speech associated with the speech signal based on the calculating of said calculating unit and the extracting of said second extracting unit, wherein the prosodic feature calculation unit includes one or more of the following units: a thickness feature calculation unit adapted to calculate a thickness feature of the speech signal for a first frequency range, wherein the thickness feature is based on frequency domain energy of the first frequency range; a strength feature calculation unit adapted to calculate a strength feature of the speech signal for a second frequency range, wherein the strength feature is based on time domain energy of the second frequency range; and a contour feature calculation unit adapted to calculate a contour feature of the speech signal for a third frequency range, wherein the contour feature is based on a time domain envelope of the third frequency range. 11. The apparatus according to claim 9 , wherein the strength feature calculation unit obtains a time domain signal through inverse filtering for the second frequency range, and calculates the strength feature based on amplitudes of each sampling point of the time domain signal obtained through inverse filtering.