1. LENA Segmentation Processing Steps Min Dur 1s Min Dur .6s Long Silence EverythingElse SIL Min Dur 1s Min Dur 1s Min Dur .6s M Adult F Adult K Child Min Dur .8s Min Dur 1s Min Dur 1s O Child Overlap TV Min Dur .8s Min Dur .8s Noise Silence 1 Refinements: TV AdaptationLive HumanSilence 2 Pass 1 Pass 2 SIL Pass 2 Likelihood Test FAF MAF CHF CXF OLF TVF NOF 3 FAN MAN CHN CXN OLN TVN NON Adult Segment Processing Child Segment Processing 4 5 Sphinx Phone Decoder +Adaptation Sphinx Phone Decoder +Adaptation Non-VocDur Cry Dur Veg Dur Vocalization Voc Count Word Count AVA Score Voc Dur

2. LENA Segmentation Processing Steps Min Dur 1s Min Dur .6s Long Silence EverythingElse SIL Min Dur 1s Min Dur 1s Min Dur .6s M Adult F Adult K Child Min Dur .8s Min Dur 1s Min Dur 1s O Child Overlap TV Min Dur .8s Min Dur .8s Noise Silence 1 Refinements: TV AdaptationLive HumanSilence 2 Pass 1 Pass 2 SIL Pass 2 Likelihood Test FAF MAF CHF CXF OLF TVF NOF 3 FAN MAN CHN CXN OLN TVN NON Adult Segment Processing Child Segment Processing 4 5 Sphinx Phone Decoder +Adaptation Cry Dur Veg Dur Sphinx Phone Decoder +Adaptation Non-VocDur Vocalization ConversationalTurns Voc Count AVA Score Word Count Voc Dur

3. Structure of the Export ITS File UPL DATA HEADER ALGORITHM SET HEADER CHILD INFORMATION RECORDING INFORMATION FIVE MINUTE SUMMARIES FIVE MINUTE SUMMARIES FIVE MINUTE SUMMARIES 1-HR BAR(S) . . . BAR SUMMARY SECTION . . . EXPORT ITS FILE ONLY CLIENT MANAGER TAGS: CHILD TAGS CLIENT MANAGER TAGS: GROUP DECRYPTED ITS FILE DECRYPTED ITS FILE OUTPUT FORMAT BLOCKS SEGMENT SEGMENT 12-HOUR FILE 1800 Rows of Data: 900 Vocal Activity Blocks 900 Pause Blocks PAUSE BLOCK SEGMENT . . . OUTPUT FORMAT SEGMENTS SEGMENT RECORDING(S) VOCAL ACTIVITY BLOCK SEGMENT 12-HOUR FILE >120,000 Rows of Data SEGMENT . . . . . . OUTPUT FORMAT TIME INTERVALS 12-HOUR FILE 12H: 1 Row of Data 60M: 12 Rows of Data 5M: 144 Rows of Data