Build Voice-Enabled Experiences
summary
Amazon Alexa is presented as a cloud service plus hardware: an Echo with a seven-microphone array for far-field pickup, backed by the Alexa Skills Kit and Alexa Voice Service. The stack uses ASR → NLU (intents, slots, slot filling) → backend → SSML text-to-speech; India has about 12,000 skills in India. Design emphasis: pick a single purpose, evolve via remembered slots, accept natural utterances, and handle missing or unexpected input gracefully.
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chapters (22)
- 0:00Intro
- 0:18The significance of 2000000 years
- 0:30The significance of 100000 years
- 0:57Personal computing history
- 4:19Disruption in computing
- 4:55Working backwards
- 8:10What is Alexa
- 9:38Building for Voice
- 11:00Cloud
- 13:18Natural Language Understanding
- 15:24Structured Data
- 16:18TexttoSpeech
- 17:18Visual Component
- 19:12Key Design Principles
- 21:31Skill Purpose
- 23:42Skill Evolution
- 25:16Users Speak Naturally
- 27:16Voice Design
- 33:13Example
- 35:37Voice Ecosystem
- 37:08Resources
- 37:55Questions
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