@class NSMutableArray; @protocol CSVADSignalExtractorDelegate; @interface CSVADSignalExtractor : NSObject @property (nonatomic) BOOL isSpeechDetected; @property (weak, nonatomic) id<CSVADSignalExtractorDelegate> delegate; @property (retain, nonatomic) NSMutableArray *speechDetectedRanges; @property (nonatomic) unsigned long long lastSpeechStartSampleCount; @property (readonly, nonatomic) BOOL hasSpeechEverDetected; - (void)reset; - (void).cxx_destruct; - (BOOL)hasSpeechDetectedFromStartSampleCount:(unsigned long long)a0 toEndSampleCount:(unsigned long long)a1; - (id)initWithToken:(id)a0 delegate:(id)a1; - (void)processBufferSampleWithIndex:(unsigned long long)a0 startSampleCount:(unsigned long long)a1 isSampleRepresentSpeech:(BOOL)a2 vadToSpeechRatio:(unsigned long long)a3; @end