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MIC. SIGNAL. SHIMMER. JITTER. FUND FRQ (FM) TRACKER. ESTIMATE. LPC FORMANT. ESTIMATE. POWER. ANALYSIS /. TRACKER. MANUAL OPS. VOLUME. TREMOR. TIME HIST. TIME HIST. FUND FRQ TIME HIST. POWER. FORMANTS. TIME HIST. RESAMPLE. RESAMPLE. MIKE.
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MIC SIGNAL SHIMMER JITTER FUND FRQ (FM) TRACKER ESTIMATE LPC FORMANT ESTIMATE. POWER ANALYSIS / TRACKER MANUAL OPS VOLUME TREMOR TIME HIST TIME HIST FUND FRQ TIME HIST POWER FORMANTS TIME HIST RESAMPLE RESAMPLE MIKE INVERSE TO REMOVE TO REMOVE SYNTHESIZER SIGNAL FILTERING TREMOR TREMOR CONST. FUND FRQ VOICE RAW FLOW CONST. POWER DERIVATIVE VOICE CEPSTRAL LEAST SQR NOISE LF FIT ANALYSIS FITTED LF SRC NOISE NSR ESTIMATE SOURCE PULSE SPECTRUM Figure 2.1. Overall voice analysis/synthesis steps. Details are omitted for clarity. Analysis (solid lines) steps include LPC formant analysis, inverse filtering, source fitting, fundamental frequency tracking, power tracking, jitter estimation, shimmer estimation, and source aspiration noise estimation. Results are input to the synthesizer (dashed lines).