Which AWS service transcribes customer call audio for analysis?
Short answer
B Transcribe call recordings by using Amazon Transcribe.
Question
Key Takeaways
The question tests your ability to match the correct AI service to the input format; the trap is confusing text analysis with audio transcription, as Comprehend works on text and Transcribe works on audio.
This AIF-C01 question tests the use of Amazon Transcribe to convert customer call audio into text, which is the necessary first step for extracting insights. Community consensus is B, as Transcribe is the AWS service designed for audio-to-text transcription.
Common mistake: Choosing D (Amazon Comprehend) because it is used to extract information from text, while forgetting that the source is audio and must first be transcribed before any text analysis can occur.
Expert Analysis
Why the Answer Is Correct
Amazon Transcribe is purpose-built to convert speech in audio files, such as customer call recordings, into written text. This transcription is the foundational step for gaining insights from conversations, allowing further analysis like keyword extraction, sentiment, and topic detection. As comment [1] explains, the text can then be analyzed further to extract key information, making Transcribe the appropriate solution for the stated requirement.
Why the Other Options Are Wrong
A (Amazon Lex) is a conversational chatbot service, not a transcription tool, so it does not analyze existing call recordings. C (SageMaker Model Monitor) monitors machine learning models for drift, not audio files. D (Amazon Comprehend) is trained to extract insights from text, but it cannot process raw audio directly; as noted in comment [9], Comprehend only works on text data, so it would require a transcription step first.
Community Comment Notes
The majority of comments support B, emphasizing that the key phrase is "from the audio of the customer calls," as comment [8] points out. Comment [6] adds that once the audio is transcribed, the text can be further processed to extract insights. Even a dissenting comment [4] acknowledges that in real-world workflows, you would run Transcribe first and then Comprehend, reinforcing that Transcribe is the immediate answer to the exam question.
Official Reference
- https://docs.aws.amazon.com/transcribe/latest/dg/what-is.html
- https://aws.amazon.com/transcribe/
- https://docs.aws.amazon.com/comprehend/latest/dg/what-is.html
These links open the official vendor documentation in a new tab.
Exam Strategy
Read the question carefully to identify the input type: if it mentions audio or call recordings, choose Amazon Transcribe. Remember that Comprehend is a downstream step for text analysis only; when both audio-to-text and text analysis are mentioned, the first required service is Transcribe.
Community Votes
100% of anonymous learners picked answer B. Votes are pick records left by other test-takers — they are not the verified answer.
Discussion 10 contributions
Compiled from public community threads and reader submissions, lightly edited for clarity. Handles and vote tallies are shown as recorded, and comments reflect the views of individual contributors.
From public community threads 10
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Moon 👍 3 Answered BB: Transcribe call recordings by using Amazon Transcribe. Explanation: Amazon Transcribe is designed for converting speech in audio files (such as customer calls) into text. This text can then be analyzed further to extract key information. It is the first step in gaining insights from audio conversations, making it the appropriate solution for the given requirement.
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eesa 👍 2select B Amazon Transcribe is a service that converts audio into text, making it ideal for transcribing customer calls in a contact center. Once the audio is transcribed into text, you can further analyze the transcribed text to gain insights, such as identifying key information, customer sentiment, and specific topics discussed during the conversation.
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Soweetadad 👍 2In real world, we would run transcribe first to convert the call to searchable text, and then run Comprehend to search and analyze for specific key words. Since the question is around analyize and extract key info, I will go for "D"
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LR2023 👍 2 Answered Btranscribe - Extract key business insights from customer calls, video files, clinical conversations, and more.
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PHD_CHENG 👍 2 Answered BB is correct. Question is related to audio to text. Amazon Transcribe fit on this aspect
Show 5 more comments
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Udyan 👍 1Amazon Transcribe is designed specifically to convert audio to text, which is a necessary first step for gaining insights from customer conversations. Once transcribed, the text data can be further processed and analyzed for key information. Amazon Comprehend (option D) is useful for extracting insights from text, like sentiment analysis and entity extraction, but it only works on text data, not on audio files directly. So, Amazon Comprehend could be used after Amazon Transcribe has converted the audio to text, but it wouldn't be a standalone solution for handling the audio. So, it is B only
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Jessiii 👍 1 Answered BAmazon Transcribe is a service designed to automatically convert audio (such as customer call recordings) into text. Once transcribed, the text can be further processed to extract key insights, such as customer intent, sentiment, and specific information (e.g., product details or requests). This aligns directly with the goal of analyzing and extracting key information from customer conversations.
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85b5b55 👍 1 Answered BTranscribe support for speech to text - B
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Bala416 👍 1 Answered Bkey word : FROM THE AUDIO OF THE CUSTOMER
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jove 👍 2 Answered BTranscribe
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