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Monday 19 March Topic: Speaker recognition + footprint/lip print quiz

OBJECTIVE: You will be able to explain how individuals have different anatomies and behaviors that lead to a characteristic voiceprint. Monday 19 March Topic: Speaker recognition + footprint/lip print quiz. DO NOW: Identify the 4 basic components of lipstick.

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Monday 19 March Topic: Speaker recognition + footprint/lip print quiz

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  1. OBJECTIVE: You will be able to explain how individuals have different anatomies and behaviors that lead to a characteristic voiceprint. Monday 19 MarchTopic: Speaker recognition + footprint/lip print quiz DO NOW: Identify the 4 basic components of lipstick. Explain how lighting can be used to identify a footprint. How is gender determined from a lip print? HW: • None – focus on MCAS 

  2. OBJECTIVE: You will be able to explain how individuals have different anatomies and behaviors that lead to a characteristic voiceprint. Speaker recognition • Characteristics to analyze: • Pitch  how high/low voice is • Tone  emotions • Inflection  if you go up or down at the end of a sentence • Accent  regional • Patterns of speech  Use of slang, speech impediments, use of vocabulary, word/syllable emphasis

  3. OBJECTIVE: You will be able to explain how individuals have different anatomies and behaviors that lead to a characteristic voiceprint. Spectrogram • Analyzing speech with sound waves • Usually 3 axes: • X axis = time • Y axis = frequency • Z axis = amplitude (usually displayed by colors in less high tech software/equipment) • Technology doesn’t exist to separate and analyze two speakers at the same time

  4. Quiz! • Footprints and lip prints

  5. OBJECTIVE: By comparing the various traits in an individual’s voice, you will be able to exclude or deduce which PHA faculty member was the speaker. Friday 23 MarchTopic: Speaker recognition DO NOW: Identify 5 traits to analyze in someone’s speech. Explain how a sound wave is displayed on a 3-d graph. HW: • How to lose your fingerprints! Article + questions

  6. OBJECTIVE: By comparing the various traits in an individual’s voice, you will be able to exclude or deduce which PHA faculty member was the speaker. Protocol • I’ll play each voice sample 2 or 3 times • Listen carefully and then jot notes AFTER it plays • You’ll break into teams, and I’ll play each sample one more time. • Your team task is to identify as many speakers that you can!

  7. OBJECTIVE: By comparing the various traits in an individual’s voice, you will be able to exclude or deduce which PHA faculty member was the speaker. Exit Ticket/HW • Exit ticket is on a separate sheet (summarizes the traits in a speaker’s voice) • HW = article about losing fingerprints with questions

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