Amazon Transcribe VS Amazon Polly
Tags: aws, amazontranscribe, amazonpolly, transcribevspolly
Published: 2023-02-27 21:19:05

## Amazon Transcribe 

_Amazon Transcribe_ is a cloud-based automatic speech recognition (ASR) service provided by Amazon Web Services (AWS) that converts audio files into text transcripts. With Amazon Transcribe, developers can easily add speech-to-text capabilities to their applications by simply sending audio files to the service and receiving a text transcript in return.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/xecz3qyujeumq57cwto1.jpg)

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## Amazon Polly 

_Amazon Polly_ is a cloud-based text-to-speech (TTS) service provided by Amazon Web Services (AWS). It enables developers to add high-quality speech output to their applications using a wide range of lifelike voices in various languages.

With Amazon Polly, developers can create natural-sounding speech from text input, with support for various features such as pronunciation control, speech rate adjustment, and voice selection. It uses advanced deep learning technologies to generate speech that sounds like a human voice, making it useful for a wide range of applications, such as voice-enabled applications, e-learning platforms, and audiobooks.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ett12qu71bnohrf453cf.png)

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## Amazon Transcribe VS Amazon Polly 

_Amazon Transcribe_ and _Amazon Polly_ are two different AWS services that provide **text-to-speech** and **speech-to-text** capabilities respectively. Here is a comparative study of Amazon Transcribe and Amazon Polly:


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/8e4f6u6k7f2ppb9zlh4u.png)


**Use case**: Amazon Transcribe is used for speech-to-text transcription, which is useful for creating transcripts of audio files, captioning videos, and generating subtitles. On the other hand, Amazon Polly is used for text-to-speech conversion, which is useful for creating audio files from text input.

**Input format**: Amazon Transcribe supports various audio formats, such as _MP3_, _WAV_, _FLAC_, and _MP4_. Amazon Polly supports various text formats such as plain _text_, _SSML_, and _JSON_.

**Languages supported**: Amazon Transcribe supports many languages, including _English_, _Spanish_, _French_, _German_, _Chinese_, _Japanese_, and many more. Amazon Polly supports even more languages, including _Arabic_, _Hindi_, _Italian_, _Korean_, _Portuguese_, _Russian_, and _Turkish_, among others.

**Customization**: Amazon Transcribe provides the option to train custom speech-to-text models using your own data, which can improve transcription accuracy. Amazon Polly provides customization options such as selecting a specific voice or changing the speech rate.

**Pricing**: Both services have a pay-per-use pricing model based on the amount of data processed. Amazon Transcribe charges per minute of audio processed, while Amazon Polly charges per character of text processed.

**Integration**: Both services can be easily integrated with other AWS services, such as _Amazon S3_, _AWS Lambda_, and _Amazon EC2_.

_**In summary**_, Amazon Transcribe is used for speech-to-text transcription, while Amazon Polly is used for text-to-speech conversion. Both services have a similar pay-per-use pricing model and can be easily integrated with other AWS services. Amazon Polly supports more languages, while Amazon Transcribe provides the option to train custom speech-to-text models using your own data. Choosing the right service depends on the use case and specific requirements of your project.