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KAlexa is Korean based Alexa Skills to learn Korean and KPop.

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Overview

This is the Alexa Skill for Amazon Echo with as following features.

  • Learning Korean - translation and quiz from English to Korean
  • K-POP Music - lyrics and playing songs of KPOP chart information
  • My Favorite Music - emotion based user based recommendation based on pre-defined set for emotion based
  • Collaborative filtering, recent and popular playlist

Architecture

It used AWS Lambda, Google Translate API, Naver Text to Speech API, Melon API and ffmpeg technology. *

Features

You can ask as following questions.

  • Alexa, Translate XXX into Korean
  • Alexa, I want to know popular K-POP songs
  • Alexa, Play nth song in the chart
  • Alexa, Let me know other song of nth artist
  • Alexa, I feel sad
  • Alexa, Recommend me any song
  • Alexa, Give me n Korean quizzes
  • Alexa, Tell me the lyrics of nth song

Performance

We improved some of performances

  • Latency in API calls: Reduce calls, Dummy worker, Caching
  • Lambda Initialization: User library tuning to Amazon Linux
  • Lambda Execution: efficient code, MP3 caching and using Redis – In-memory Cache

*

N: Naver, G: Google

About

KAlexa is Korean based Alexa Skills to learn Korean and KPop.

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