18. A non-transitory computer-readable medium configured to store instructions for speaker verification, the instructions, when loaded and executed by a processor, cause the processor to extract target speaker's speech, using a known speaker voiceprint, from an audio recording that includes the target speaker's speech and the known speaker's speech, the known speaker voiceprint corresponding to the known speaker, wherein using the known speaker voiceprint includes enabling exclusion of speech segments of the known speaker's speech to reduce a total number of speech segments used to verify the target speaker's speech to improve accuracy with reduced processing time or power for verifying relative to having all speech segments of the target and known speaker's speech under consideration.
19. The non-transitory computer-readable medium of claim 18 , wherein the instructions further cause the processor to verify the target speaker based on the target speaker's voiceprint.