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Difficulty: MediumAWS Machine Learning Services

A hospitality company wants to analyze audio recordings from its guest feedback kiosks located in hotel lobbies. The company needs to convert the spoken audio feedback into written text and then analyze the text to identify brand names and determine the guests' sentiment. Which two AWS services should the company use to meet these requirements? (Select TWO.)

  1. Amazon TranscribeAnswer
  2. Amazon ComprehendAnswer
  3. C
    Amazon Polly
  4. D
    Amazon Rekognition
  5. E
    Amazon Lex

Answer

Amazon Transcribe and Amazon Comprehend
To satisfy the requirements, the company should first use Amazon Transcribe to convert the spoken audio from the feedback kiosks into written text. Next, they should use Amazon Comprehend to analyze the resulting text to identify specific entities (such as brand names) and detect the overall sentiment of the guest feedback.

Step-by-Step Solution

1
Determine the service needed to convert the guest audio recordings into written text.
Amazon Transcribe is selected.
Amazon Transcribe converts speech to text, which generates the required transcripts from the audio files.
2
Determine the service needed to analyze the generated text transcripts for brand names and customer sentiment.
Amazon Comprehend is selected.
Amazon Comprehend is designed to analyze text data for entities (like brand names) and sentiment (positive, negative, neutral, or mixed).

Key Concept

Selecting and combining pre-trained AWS AI/ML services to solve speech-to-text and natural language processing business requirements.
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Topics

AWS Machine Learning Services

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