Aug 9, 2023 · That's why the Speech-to-Text API v2 features totally new pricing. We have lowered the cost of real-time and batch transcription from $0.024 per minute to $0.016 per minute. Additionally, we know that pricing can be a concern for those that have very large transcription workloads. For that reason, we are also introducing standard volume tiers ... This event indicates that the server has detected the end of the user's speech utterance and expects no additional speech. Therefore, the server will not process additional audio and will close the gRPC bidirectional stream. This event is only sent if there was a force cutoff due to silence being detected early.Apr 16, 2024 · The table below lists the models available for each language. Cloud Speech-to-Text offers multiple recognition models , each tuned to different audio types. Some languages are supported by additional models which are optimized for additional audio types: telephony. Use only the language codes shown in the following table. This page shows you how to send a speech recognition request to Speech-to-Text in your favorite programming language using the Google Cloud Client Libraries. Speech-to-Text enables easy integration of Google speech recognition technologies into developer applications.Content Limits. Content to Speech-to-Text is provided as audio data, either directly within the content field of the request or referenced within a Google Cloud Storage URI in the uri field of the request. There is a limit of 10 MB on all single requests sent to the API using local files. In the case of the Recognize and LongRunningRecognize ...If you do not have a service account you can follow Creating a GCP service account. Once you have a service account you can generate the JSON file by following Create service account keys. You can now use this JSON file to authenticate your requests for google-cloud-speech. answered Apr 27, 2021 at 3:12. Ricco D.Optimize audio files. Shows you how to perform a preflight check on audio files that you're preparing for use with Speech-to-Text. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers ...Overview. You can use the model adaptation feature to help Speech-to-Text recognize specific words or phrases more frequently than other options that might otherwise be suggested. For example, suppose that your audio data often includes the word "weather". When Speech-to-Text encounters the word "weather," you want it to transcribe the word …Learn more about Cloud Text-to-Speech by reading the basics. Review the list of available voices you can use for synthetic speech. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License , and code samples are licensed under the Apache 2.0 License .Learn how to use the Speech-to-Text API to transcribe audio files to text files in over 80 languages. Follow the steps to create a curl request, call the API, and …The documentation below describes how such encodings work. For guidelines on choosing the best encoding for your application, see Best Practices. Digital audio encoding is a complex topic, and you generally don't need to know the details to process audio within the Speech API. The concepts provided here are meant only as a general overview.Before you can begin using Text-to-Speech, you must enable the API in the Google Cloud Platform Console. The steps below walk you through the following actions: Enable Text-to-Speech on a project. Make sure billing is enabled for Text-to-Speech. Set up authentication for your development environment.About this project. This is a self-paced lab that takes place in the Google Cloud console. The Cloud Speech API lets you do speech to text transcription from audio files in over 80 languages. In this hands-on lab you’ll record your own audio file and send it to the Speech API for transcription.google.cloud.speech.v1.Speech. Performs asynchronous speech recognition: receive results via the google.longrunning.Operations interface. Performs synchronous speech recognition: receive results after all audio has been sent and processed. Performs bidirectional streaming speech recognition: receive results while …from google.cloud import speech_v1p1beta1 as speech def transcribe_with_model_adaptation( project_id: str, location: str, storage_uri: str, custom_class_id: str, phrase_set_id: str, ) -> str: """Create`PhraseSet` and `CustomClasses` to create custom lists of similar items that are likely to occur in your …Google Cloud Tech Youtube Channel English; Deutsch; Español – América Latina; Français; Indonesia ... Guides, examples, and references for Cloud Speech-to-Text V2 public features. Private features; Cloud Speech-to-Text on-prem documentation Guides, examples, and references for Cloud ...Google Cloud Developer Center Google Developer Center Google Cloud Marketplace (in console) ... Cloud Text-to-Speech API Private features Cloud Text-to-Speech Custom Voice Try Gemini 1.5 Pro, our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window. Try Gemini 1.5 Pro, ...Google Cloud's Text-to-Speech technology, a neural network-driven solution, presents a compelling case for businesses grappling with regulatory compliance and cost-efficiency. This technology—free, robust, and versatile—eliminates the need for costly third-party integrations, offering a cost-effective alternative.PlaceOrders in OpenAlgo Platform using Google Cloud Speech to Text API in Realtime https://lnkd.in/dDdXN5mUThe Google Cloud Text-to-Speech Node.js Client API Reference documentation also contains samples.. Supported Node.js Versions. Our client libraries follow the Node.js release schedule.Libraries are compatible with all current active and maintenance versions of Node.js. If you are using an end-of-life version of Node.js, we …A Google Cloud Speech-to-Text API key is needed. This hook makes use of a customized version of recorder.js for recording audio, down-sampling the audio sampleRate to <= 48000hz, and converting that audio to WAV format. The hook then converts the WAV audio blob returned from recorder.js and converts it into a base64 string using the FileReader …Sample rate in Hertz of the audio data sent in all RecognitionAudio messages. Valid values are: 8000-48000. 16000 is optimal. For best results, set the sampling rate of the audio source to 16000 Hz. If that's not possible, use the native sample rate of the audio source (instead of re-sampling).Quickstart: Use the command line. Create synthetic voice audio with Text-to-Speech using the command line. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a ...The documentation below describes how such encodings work. For guidelines on choosing the best encoding for your application, see Best Practices. Digital audio encoding is a complex topic, and you generally don't need to know the details to process audio within the Speech API. The concepts provided here are meant only as a general overview.Migrating in UI. To migrate through Speech Google Cloud console, follow these steps: Go to Speech Google Cloud console. Navigate to the Transcriptions Page. Click New Transcription and select your audio in the Audio configuration tab. In the Transcription options tab, select V2.Cloud Speech-to-Text On-Prem is priced based on the amount of audio successfully processed by the service each month, measured in increments rounded up to 15 seconds. You can view your current billing status, including usage and your current bill, in the Cloud console . For more details about managing your account, see the Cloud billing ...Protocol. Refer to the speech:recognize API endpoint for complete details.. To perform synchronous speech recognition, make a POST request and provide the appropriate request body. The following shows an example of a POST request using curl.The example uses the Google Cloud CLI to generate an access token. For …2 days ago · In a request with multiple languages, Speech-to-Text attempts to transcribe the audio using the best-fit language from the list of alternates you provided. Speech-to-Text then labels the transcription results with the predicted language code. This feature is ideal for apps that need to transcribe short statements like voice commands or search. To authenticate to Speech-to-Text, set up Application Default Credentials. For more information, see Set up authentication for a local development environment . def transcribe_onprem(. local_file_path: str, api_endpoint: str, ) -> speech_v1p1beta1.RecognizeResponse: """. Transcribe a short audio file using synchronous speech recognition on-prem. If you're new to Google Cloud, create an account to evaluate how Speech-to-Text performs in real-world scenarios. New customers also get $300 in free credits to run, test, and deploy workloads. Try Speech-to-Text free. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code ... Text-to-Speech AI: Lifelike Speech Synthesis | Google Cloud. Turn text into natural-sounding speech in 220+ voices across 40+ languages and variants with an API …Cloud Text-to-Speech lets you choose from 32 different voices from 12 languages and variants. Cloud Text-to-Speech correctly pronounces complex text such as names, dates, times and addresses for authentic sounding speech right out of the gate. Cloud Text-to-Speech also allows you to customize pitch, speaking rate, and volume …To specify a specific model to use for audio transcription, you must set the model field to one of the allowed values— latest_long, latest_short, video, phone_call, command_and_search, or default —in the RecognitionConfig parameters for the request. Speech-to-Text supports model selection for all speech recognition methods: …Chirp is Google Cloud's 2B-parameter speech model built via self-supervised training on millions of hours of audio and 28 billion sentences of text spanning 100+ languages . Chirp delivers 98% speech recognition accuracy in English and over 300% relative improvement in several languages with less than 10M speakers.This page shows how to get started with the Cloud Client Libraries for the Speech-to-Text API. Client libraries make it easier to access Google Cloud APIs from a supported language. Although you can use Google Cloud APIs directly by making raw requests to the server, client libraries provide simplifications that significantly reduce the …Google Cloud Developer Center Google Developer Center Google Cloud Marketplace (in console) ... Cloud Speech-to-Text on-device documentation Try Gemini 1.5 Pro, our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window.Go to Speech in Google Cloud console. Enable the API if it's not already enabled. Create an STT Recognizer that uses Chirp. a. Go to the Recognizers tab and click Create. b. From the Create Recognizer page, enter the necessary fields for Chirp. i. Name your recognizer.Apr 2, 2024 · Google Cloud Speech-to-Text is a very beneficial tool when witing reports. It is much faster to complete such tasks using Google Cloud Speech-to-Text instead of typing it completely. It also helps in transcripting any important meetings which are to be stored in transcripted forms. Review collected by and hosted on G2.com. This page shows you how to send a speech recognition request to Speech-to-Text in your favorite programming language using the Google Cloud Client Libraries. Speech-to-Text enables easy integration of Google speech recognition technologies into developer applications.Apr 16, 2024 · Cloud Speech-to-Text offers multiple recognition models , each tuned to different audio types. The default and command_and_search recognition models support all available languages. The command_and_search model is optimized for short audio clips, such as voice commands or voice searches. The default model can be used to transcribe any audio ... 5. Install the Google Cloud Text-to-Speech API client library for Node.js. First, create a project that you will use to run this Text-to-Speech API lab, initialize a new Node.js package in a folder of your choice: NPM asks several questions about the project configuration, such as name and version.Apr 17, 2024 · Speech-to-Text documentation. Speech-to-Text enables easy integration of Google speech recognition technologies into developer applications. Send audio and receive a text transcription from the Speech-to-Text API service. Learn more. Accurately convert speech into text using an API powered by Google’s AI technologies. Transcribe your content with accurate captions. Deliver better user experience in products through...Powered by the best of Google's AI research and technology, Google Cloud's Speech-to-Text API helps you accurately transcribe speech into text in 73 …Apr 16, 2024 · Cloud Speech-to-Text on-device documentation Try Gemini 1.5 Pro , our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window. Try Gemini 1.5 Pro , our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window. 6 days ago · Speech-to-Text can include time offset (timestamp) values in the response text for your recognize request. Time offset values show the beginning and end of each spoken word that is recognized in the supplied audio. A time offset value represents the amount of time that has elapsed from the beginning of the audio, in increments of 100ms. When you send audio data to the Speech-to-Text API, you can either send the data directly (within the request's content field) or have the API perform recognition remotely on data stored in a Cloud Storage bucket by specifying the storage object in the request's uri field. Any audio data in the content field in HTTP requests must be in …1. Overview. The Speech-to-Text API enables developers to convert audio to text in over 125 languages and variants, by applying powerful neural network models in an easy to use API. In this...The cloud text-to-speech code tries to interpret that as raw audio data, fails, throws up its hands and returns an empty transcription string. It's analogous to trying to view a zip file in a text editor: it's just gibberish. To get text-to-speech to work with a media object, you have to extract the PCM audio from it first.google.cloud.speech.v1.Speech. Performs synchronous speech recognition. Recognize receives results after all audio has been sent and processed. The request times out in 60 minutes. Performs bidirectional streaming speech recognition. StreamingRecognize receives results while sending audio. The request times out in 60 …Reference documentation and code samples for the Cloud Speech-to-Text v2 API class SpeechClient. Speech client wrapper, for convenient use. Inheritance object > SpeechClient. Inherited Members. object ... The list of fields in [config][google.cloud.speech.v2.BatchRecognizeRequest.config] that override the …Cloud Text-to-Speech for PHP. Idiomatic PHP client for Cloud Text-to-Speech.. NOTE: This repository is part of Google Cloud PHP.Any support requests, bug reports, or development contributions should be directed to that project. Latest Models. Learn how to use the latest models offered by Speech-to-Text using speech adaptation. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Apr 14, 2022 · Speech-to-Text can be done before content is created (i.e., captioning videos before they’re ever posted), but also in real time, on the fly, from generating captions during a meeting to... Transcribe a streaming audio feed | Cloud Speech-to-Text Documentation | Google Cloud. Try Gemini 1.5 Pro, our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window.Cloud Speech-to-Text on-prem documentation Cloud Speech-to-Text on-device documentation Try Gemini 1.5 Pro , our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window.If you do not have a service account you can follow Creating a GCP service account. Once you have a service account you can generate the JSON file by following Create service account keys. You can now use this JSON file to authenticate your requests for google-cloud-speech. answered Apr 27, 2021 at 3:12. Ricco D.To learn how to install and use the client library for Speech-to-Text, see Speech-to-Text client libraries. For more information, see the Speech-to-Text Python API reference documentation. To authenticate to Speech-to …Google Cloud Platform’s Speech-to-text is built on decades of Google’s research and contribution to the ASR space and is one of leading Speech recognition and transcription service in the ...Overview. Google Cloud offers Identity and Access Management (IAM), which lets you give more granular access to specific Google Cloud resources, and prevent unwanted access to other resources. For information about IAM, see Identity and Access Management documentation. Speech-to-Text provides a set of predefined roles that …Guides, examples, and references for Cloud Speech-to-Text V1 public features. Cloud Speech-to-Text V2 Guides, examples, and references for Cloud Speech-to-Text V2 ... Google Cloud Home Free Trial and Free Tier Architecture Center Blog Contact Sales Google Cloud Developer Center Google ...Chirp is Google Cloud's 2B-parameter speech model built via self-supervised training on millions of hours of audio and 28 billion sentences of text spanning 100+ languages . Chirp delivers 98% speech recognition accuracy in English and over 300% relative improvement in several languages with less than 10M speakers.Base64 encoding audio content. When you send audio data to the Speech-to-Text API you can either send the data directly (within the request's content field) or have the API perform recognition remotely on data stored in a Cloud Storage bucket. You can send data directly in the content field for synchronous recognition only if your audio data …Chirp is Google Cloud's 2B-parameter speech model built via self-supervised training on millions of hours of audio and 28 billion sentences of text spanning 100+ languages . Chirp delivers 98% speech recognition accuracy in English and over 300% relative improvement in several languages with less than 10M speakers.The Best Cloud Storage and File-Sharing Services for 2024; ... Speech-to-text features or apps also should not be confused with text-to-speech tools, ... Best Speech-to-Text Tool for Google Docs .Apr 16, 2024 · 1. Go to Speech in Google Cloud console, and navigate to Speech-to-Text UI . 2. Using an audio file that is acoustically representative of your use case and how you are planning to use the ASR system, follow the quickstart instructions for making your first transcription using the Speech-to-Text. About this project. This is a self-paced lab that takes place in the Google Cloud console. The Cloud Speech API lets you do speech to text transcription from audio files in over 80 languages. In this hands-on lab you’ll record your own audio file and send it to the Speech API for transcription.Transcribe short audio files. This page demonstrates how to transcribe a short audio file to text using synchronous speech recognition. Synchronous speech recognition returns the recognized text for short audio (less than 60 seconds). To process a speech recognition request for audio longer than 60 seconds, use Asynchronous Speech …When the Speech-to-Text transcribes an audio clip, it also measures the degree of accuracy for the response. The response sent from Speech-to-Text states the confidence level for the entire transcription request as a number between 0.0 and 1.0. The following code sample shows an example of the confidence level value returned by …This page shows how to get started with the Cloud Client Libraries for the Speech-to-Text API. Client libraries make it easier to access Google Cloud APIs from a supported language. Although you can use Google Cloud APIs directly by making raw requests to the server, client libraries provide simplifications that significantly reduce the …Google Cloud's Text-to-Speech technology, a neural network-driven solution, presents a compelling case for businesses grappling with regulatory compliance and cost-efficiency. This technology—free, robust, and versatile—eliminates the need for costly third-party integrations, offering a cost-effective alternative.Find out which Voice Recognition features Google Cloud Speech-to-Text supports, including API, Accuracy, Dictation, Translation, Voice Files, Text Editing, Collaboration, Data Security, Live Captioning, Closed Captioning, Custom Dictionary, Text Summarization, Timecode Management, Speaker Identification, Spell Check and Punctuation, Integrates …This page shows how to get started with the Cloud Client Libraries for the Speech-to-Text API. Client libraries make it easier to access Google Cloud APIs from a supported language. Although you can use Google Cloud APIs directly by making raw requests to the server, client libraries provide simplifications that significantly reduce the …If you're new to Google Cloud, create an account to evaluate how Speech-to-Text performs in real-world scenarios. New customers also get $300 in free credits to run, test, and deploy workloads. Try Speech-to-Text free. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code ...Apr 16, 2024 · 1. Go to Speech in Google Cloud console, and navigate to Speech-to-Text UI . 2. Using an audio file that is acoustically representative of your use case and how you are planning to use the ASR system, follow the quickstart instructions for making your first transcription using the Speech-to-Text. APIs and SDKs: Platforms like Google Cloud offer robust APIs that facilitate the integration of speech-to-text capabilities into apps and services, complete with …Protocol. Refer to the speech:recognize API endpoint for complete details.. To perform synchronous speech recognition, make a POST request and provide the appropriate request body. The following shows an example of a POST request using curl.The example uses the Google Cloud CLI to generate an access token. For …Standard models (all models except enhanced video and phone call): Free up to 60 minutes, Over 60 Mins up to 1 Million Mins is $0.004 / 15 seconds. Enhanced models (video, phone call): Free up to 60 minutes, Over 60 Mins up to 1 Million Mins is $0.006 / 15 seconds. Try Google Cloud Speech-to-Text Free. Free Trial Per Month.If you're new to Google Cloud, create an account to evaluate how Speech-to-Text performs in real-world scenarios. New customers also get $300 in free credits to run, test, and deploy workloads. Try Speech-to-Text free. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code ... If you're new to Google Cloud, create an account to evaluate how Speech-to-Text performs in real-world scenarios. New customers also get $300 in free credits to run, test, and deploy workloads. Try Speech-to-Text free. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code ... 6 days ago · Cloud Speech-to-Text on-prem documentation Cloud Speech-to-Text on-device documentation Try Gemini 1.5 Pro , our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window. Go to the Search products and resources bar at the top of the page and type in "speech". Select the Cloud Speech-to-Text API from the list of results. To try Speech-to-Text without linking it to your project, choose the TRY THIS API option. To enable the Speech-to-Text API for use with your project, click ENABLE. Create a transcriptionIf you think you can provide this type of context and get an improvement, you can do it with the Speech Adaptation API available in the Cloud Speech-to-Text API. Task 6. Speech adaptation. Google Cloud Speech-to-Text has tools for providing contextual information that can help users increase accuracy on their data.Data sent to Speech-to-Text is processed globally. Currently, users can define a specific endpoint in order to limit processing of their data to within the European Union or the United States (see the multi-region endpoints documentation for details). Limiting processing to a single Google Cloud region is not currently supported.Descript was able to integrate Google Cloud Speech with its app quickly and easily, speeding time to value. “Google Cloud Speech made my life easy when we switched to it,” says Steve Rubin, Ph.D., Software Engineer at Descript. “Other speech-to-text services we evaluated wanted us to jump through more hoops.”. Strong security is another ...APIs and SDKs: Platforms like Google Cloud offer robust APIs that facilitate the integration of speech-to-text capabilities into apps and services, complete with …Google Cloud Text-to-Speech API allows developers to include natural-sounding, synthetic human speech as playable audio in their applications. The Text-to …Guides, examples, and references for Cloud Speech-to-Text V1 public features. Cloud Speech-to-Text V2 Guides, examples, and references for Cloud Speech-to-Text V2 ... // Imports the Google Cloud client library import com.google.cloud.speech.v1.RecognitionAudio; ...
Base64 encoding audio content. When you send audio data to the Speech-to-Text API you can either send the data directly (within the request's content field) or have the API perform recognition remotely on data stored in a Cloud Storage bucket. You can send data directly in the content field for synchronous recognition only if your audio data …. Woman to run for president
This page shows you how to send a speech recognition request to Speech-to-Text in your favorite programming language using the Google Cloud Client Libraries. Speech-to-Text enables easy integration of Google speech recognition technologies into developer applications.Finally, I would like to add some notes about the improvement and the code I performed: I have used a flac audio file as it is recommended for optimal results.. I have used the model="phone_call" and use_enhanced=True as this was the model recognized by Cloud Speech-To-Text using my own audio file. Also the enhanced model can …6 days ago · Cloud Speech-to-Text on-prem documentation Cloud Speech-to-Text on-device documentation Try Gemini 1.5 Pro , our most advanced multimodal model in Vertex AI, and see what you can build with a 1M token context window. The Best Cloud Storage and File-Sharing Services for 2024; ... Speech-to-text features or apps also should not be confused with text-to-speech tools, ... Best Speech-to-Text Tool for Google Docs .We are thrilled to introduce Accuracy Evaluation, the newest feature in our Cloud Speech UI, to allow for easy and seamless benchmarking of our Speech-to-Text (STT) API models and configurations. The STT API covers a wide variety of use cases, from dictation and short commands, to captioning and subtitles. Getting the most of STT, …Speech-to-Text on Google Cloud is a tool used to convert speech into text using an API powered by Google’s AI technologies. The vendor states users can transcribe content in real time or from stored files; deliver a better user experience in products through voice commands; and, gain insights from customer interactions to improve service.Word-level confidence. Cloud Speech-to-Text has always returned a confidence score for each segment of speech. However, many of our users have asked for more fine-grained control, which is why we now offer word-level confidence scores.These scores allow developers to build apps that can highlight specific words, and then …Protocol. Refer to the speech:recognize API endpoint for complete details.. To perform synchronous speech recognition, make a POST request and provide the appropriate request body. The following shows an example of a POST request using curl.The example uses the Google Cloud CLI to generate an access token. For …If you're new to Google Cloud, create an account to evaluate how Speech-to-Text performs in real-world scenarios. New customers also get $300 in free credits to run, test, and deploy workloads. Try Speech-to-Text free. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code ...Speech-to-Text is one of Google Cloud services. It’s used for automated speech-to-text conversion and transcription. It uses advanced machine learning models from Google and allows transcription in more than 125 languages and dialects. The Speech-to-Text service is provided via an API (application programming interface, …Enable the Speech-to-Text API: In the Google Cloud Console, navigate to the API & Services section. Find the “Library” option and search for “Cloud Speech-to …Transcribe your voice by Google's Cloud Speech-to-Text API with esp32 In the case of esp32 + microphone In the case of M5Stack FIRE Serial monitor. Prepare. ESP32-DevKitC (espressif) Microphone : ICS43434 (tindie), or AE-ADMP441_K (Akizuki Denshi), or …On or after April 8th, 2023, Cloud Text-to-Speech will replace the following voices with new voices of similar quality and accent. The new voices are available to try now. No action will be needed from you to switch to the new voice on April 8th, 2023. However, you are free to switch to the new voice at anytime.Conformer models (long and short) The "latest" model tags in the Speech-to-Text API give access to two new model tags that can be used when you specify the model field. These models are designed to give you access to the latest speech technology and machine learning research from Google, and can provide higher accuracy for speech …Accurately convert speech into text using an API powered by Google’s AI technologies. Transcribe your content with accurate captions. Deliver better user experience in products through...Overview. Google Cloud Speech-to-Text API enables developers to convert audio to text in 120 languages and variants, by applying powerful neural network models in an easy to use API. In this codelab, you will focus on using the Speech-to-Text API with Node.js. You will learn how to send an audio file in English and other languages to the Cloud ... Turn text into natural-sounding speech in 220+ voices across 40+ languages and variants with an API powered by Google’s machine learning technology. Overview. The Text-to-Speech API lets you create audio files of machine-generated, or synthetic, human speech..