F0-ESTIMATE FFT FORMANT-ANALYSIS MAKE-SPEC-ENV SUPERVP-BANDFILTER SUPERVP-BREAKPOINTFILTER SUPERVP-CLIPPING SUPERVP-CROSS-SYNTHESIS SUPERVP-FORMANTFILTER SUPERVP-FREEZE SUPERVP-FREQUENCYSHIFT SUPERVP-GAIN SUPERVP-MERGE SUPERVP-NORMALIZE SUPERVP-PROCESSING SUPERVP-SOURCEFILTER-SYNTHESIS SUPERVP-SPLIT SUPERVP-SURFACEFILTER SUPERVP-TIMESTRETCH SUPERVP-TRANSPOSITION TRANSIENT-DETECTION