AdvanceU is an online learning platform founded by Cambridge professors that offers courses, specializations, and degrees. AdvanceU works with universities and other organizations to offer online courses, specializations, and degrees in a variety of subjects, such as engineering, humanities, medicine, biology, social sciences, mathematics, business, computer science, digital marketing, data science, and others. AdvanceU had more than 33 million registered users and more than 2,400 courses Every course has lot of videos, audios, image content materials that would be offered to customers. AdvanceU want to offer the text downloaded for a better understanding of the audio files and the audio track from a video recording to create closed captioning for the video that are shared to customers. What service can provide this capability? Select 1 option.

Answer options:

A.Amazon Comprehend
B.Amazon Transcribe
C.Amazon Polly
D.Amazon SageMaker

Answer : B
Option A is incorrect -Amazon Comprehend uses natural language processing (NLP) to extract insights about the content of documents. Amazon Comprehend processes any text file in UTF-8 format. It develops insights by recognizing the entities, key phrases, language, sentiments, and other common elements in a document. Use Amazon Comprehend to create new products based on understanding the structure of documents. For example, using Amazon Comprehend you can search social networking feeds for mentions of products or scan an entire document repository for key phrases.
https://docs.aws.amazon.com/comprehend/latest/dg/what-is.html
Option B is correct - Amazon Transcribe uses advanced machine learning technologies to recognize speech in audio files and transcribe them into text. You can use Amazon Transcribe to convert audio to text and to create applications that incorporate the content of audio files. For example, you can transcribe the audio track from a video recording to create closed captioning for the video.
https://docs.aws.amazon.com/transcribe/latest/dg/what-is-transcribe.html
Option C is incorrect -Amazon Polly is a cloud service that converts text into lifelike speech. You can use Amazon Polly to develop applications that increase engagement and accessibility. Amazon Polly supports multiple languages and includes a variety of lifelike voices, so you can build speech-enabled applications that work in multiple locations and use the ideal voice for your customers. With Amazon Polly, you only pay for the text you synthesize. You can also cache and replay Amazon Polly’s generated speech at no additional cost.
https://docs.aws.amazon.com/polly/latest/dg/what-is.html
Option D is incorrect -Amazon SageMaker is a fully managed machine learning service. With Amazon SageMaker, data scientists and developers can quickly and easily build and train machine learning models, and then directly deploy them into a production-ready hosted environment. It provides an integrated Jupyter authoring notebook instance for easy access to your data sources for exploration and analysis, so you don`t have to manage servers. It also provides common machine learning algorithms that are optimized to run efficiently against extremely large data in a distributed environment
https://docs.aws.amazon.com/sagemaker/latest/dg/whatis.html