Apps script and Google Text to Speech API

[Vo Tu Duc]

I'm trying to use Google Apps script in order to generate/create a audio file. 

There isn't a guide document for this on Google Text-to-Speech API guide page.

Below are my code: 

function textToSpeech() {

var endPoint = "https://texttospeech.googleapis.com/v1/text:synthesize" ;

var body = {

       'input':{

    'text':'I\'ve added the event to your calendar. helo world. my name is Duc. I am form viet nam'

  },

  'voice':{

    'languageCode':'en-US',

    'name':'en-US-Wavenet-D',

    'ssmlGender':'FEMALE'

    

  },

  'audioConfig':{

    'audioEncoding':'MP3', //LINEAR16

    "pitch": 0,

    "speakingRate": 1

  }

   };

var payload = JSON.stringify(body);

var options = { 

                                     "method" : "POST",

                                     "muteHttpExceptions": true,

                                     "contentType": "application/json; charset=utf-8",

                                     "payload" : payload,

                                     "headers": {Authorization: 'Bearer ' + goa.getToken() }

   

                                    };

 var response = UrlFetchApp.fetch ( endPoint, options  );

 var datajson = JSON.parse(response); // based64 audio

} 

Could anyone can help me to understand how to create a audio file?

Thank you for your time to read this topic and I'm appology for my english.

Best,

[Martin Hawksey]

I've not done anything explicitly with the Google Text-to-Speech API but have saved .mp3 data in Apps Script in this post https://mashe.hawksey.info/2018/03/recording-mp3-audio-in-google-add-ons-google-apps-script-to-google-drive/

The bit you might be most interested in is the server side code:

// handles saving the audio file to drive

function invokeSave(dataURI, filename){

 var blob = dataURItoBlob(dataURI, filename);

 var file = DriveApp.createFile(blob);

 return file.getUrl();

}

// https://stackoverflow.com/a/36949118/1027723

function dataURItoBlob(dataURI, filename) {

 // convert base64/URLEncoded data component to raw binary data held in a string

 var byteString;

 if (dataURI.split(',')[0].indexOf('base64') >= 0){

   byteString = Utilities.base64Decode(dataURI.split(',')[1]);

 } else {

   byteString = decodeURI(dataURI.split(',')[1]);

 }

 // separate out the mime component

 var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];

 return Utilities.newBlob(byteString, mimeString, filename);

}

 In your code it might work by calling:

invokeSave(datajson, 'YOUR FILE NAME');

but it might need tweaking depending on the returned datajson

[Vo Tu Duc]

Hi Martin Hawksey,

Really. Are you here! I'm a fan of your blog/website :) . I've learn a lot of thing from you. Thank you for all.

Regard to the solution, let me try it. I will come back with topic very soon.

Have a nice day to you.

Best,

Đức

 

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[Martin Hawksey]

This is the only place to be :)

If you get stuck if you drop the raw response somewhere I can access I might be able to see if any tweaking is required to the code

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[Vo Tu Duc]

Hi Martin Hawksey,

The attached file is the raw response. 

var response = UrlFetchApp.fetch ( endPoint, options  );
var datajson = JSON.parse(response); // based64 audio

I've tried to add some line of code below. The new file is created. But it was not a audio file. 

Honestly, I don't know what next should I do...just trying to read the code you have mentioned...

var folderID = "XXXXYYYY"; /// my folder ID on Google Drive.
var driveFolder = DriveApp.getFolderById(folderID);
var filename = "name_of_newfile";
var filecontent = {
mimeType: 'application/json; charset=utf-8',
content: datajson, //datajson
};
 

var file = driveFolder.createFile(filename, datajson);

Could you please take a look and give me an advise?

Thank you for allllll.

Best,

Đức

[Martin Hawksey]

Hi Đức,

actually the response is a lot easier to save to Drive than I thought. If the 58.txt file is datajson then you can do: 

  var folderID = "XXXXYYYY"; /// my folder ID on Google Drive.

  var driveFolder = DriveApp.getFolderById(folderID);

    var filename = "name_of_newfile";

  var byteString = Utilities.base64Decode(datajson);

  var blob = Utilities.newBlob(byteString, "audio/mp3", filename );

  var file = driveFolder.createFile(blob);

[Vo Tu Duc]

Hi Martin Hawksey, 

Yeah, it's work. 

Thank you so much for your time and advice.

Best,

Đức

[Vo Tu Duc]

Hi Martin Hawksey, 

Is it possbile to create a video file and save it to G Drive like a way we've created a MP3 file?

Best,

Đức

On Thursday, June 27, 2019 at 6:23:33 PM UTC+7, Martin Hawksey wrote:

[Martin Hawksey]

Not personally done anything with video files but know it's possible to do stuff in the browser to generate them (example WebRTC experiment). The challenge I'd anticipate is handling the file sizes these generate and adding them to Google Drive. A challenge but not impossible and if it was me I'd be looking at resumable uploads which members of the community have documented in particular Tanaike's Resumable Upload for Web Apps using Google Apps Script

[Kak Dheny]

can you tell me about change text to voice with google script?
thankyou

[Bruce Mcpherson]

You can use my bmApiCentral library. - I haven't got round to writing an article on this class yet, but there's an example below.  

There are lots of setup options - see code for whatthey are

https://script.google.com/d/1L4pGblikbjQLQp8nQCdmCfyCxmF3MIShzsK8yy_mJ9_2YMdanXQA75vI/edit?usp=sharing

 

If you want to use goa, then just make goa.getToken the tokenService.

You'll need to enable the drv and texttospeech apis and set the drive and cloudplatform scopes. I'll be writing up an article shortly with detail on all this.

function testSpeech () {

Exports.Deps.init({

tokenService: ScriptApp.getOAuthToken,

fetch: UrlFetchApp.fetch

})

// get the apiKey

const apiKey = PropertiesService.getScriptProperties().getProperty("apiKey")

// get a speech instance

const speech = Exports.newSpeech({

apiKey,

noisy: true

})

// get the result as an mp3 blob

const {mp3} = speech.synthesize ({text:'hello'})

// set the name to whatever

mp3.setName ('hellosppeechfile.mp3')

// get a drv instance

const drv = Exports.newDrv ({

apiKey

})

// get a folder to write it to by its path

const folder = drv.getFolder({ path: 'my audio conversions', createIfMissing: true })

// upload the mp3 to drive

const upload = drv.upload ({ blob: mp3, parentId: folder.id })

}

You'll need an exports.gs with this stuff in it

var Exports = {

get libExports() {

return bmApiCentral.Exports

},

get Deps() {

return this.libExports.Deps

},

/**

* synth instance with validation

* @param {...*} args

* @return {Speech} a proxied instance of Fact with property checking enabled

*/

newSpeech(...args) {

return this.libExports.newSpeech(...args)

},

/**

* Drv instance with validation

* @param {...*} args

* @return {Drv} a proxied instance of Drv with property checking enabled

*/

newDrv(...args) {

return this.libExports.newDrv(...args)

}

}

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[Kak Dheny]

Thank you very much Bruce Mcpherson

I really wait for your article

I will try that script..  if I find an error, how can I contact you?

[Bruce Mcpherson]

On here is fine.

To view this discussion on the web visit https://groups.google.com/d/msgid/google-apps-script-community/41e0ff24-3ef0-47c8-b7ad-e379cfdd2fa5n%40googlegroups.com.

[Kak Dheny]

I'm sorry, I have tried and I found an error..  What should I do? Thankyou..

Error: { "error": { "code": 403, "message": "Request had insufficient authentication scopes.", "status": "PERMISSION_DENIED", "details": [ { "@type": "type.googleapis.com/google.rpc.ErrorInfo", "reason": "ACCESS_TOKEN_SCOPE_INSUFFICIENT", "metadata": { "service": "texttospeech.googleapis.com", "method": "google.cloud.texttospeech.v1.TextToSpeech.SynthesizeSpeech" } } ] } }

fetch

@ api/Fetch.gs:225

_post

@ api/Speech.gs:183

synthesize

@ api/Speech.gs:107

testSpeech

@ Kode.gs:17

[Bruce Mcpherson]

Which scopes have you enabled?

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[Kak Dheny]

I try  use your bmApiCentral library, then I run this script:

function testSpeech () {

Exports.Deps.init({

tokenService: ScriptApp.getOAuthToken,

fetch: UrlFetchApp.fetch

})

// get the apiKey

const apiKey = PropertiesService.getScriptProperties().getProperty("apiKey")

// get a speech instance

const speech = Exports.newSpeech({

apiKey,

noisy: true

})

// get the result as an mp3 blob

const {mp3} = speech.synthesize ({text:'hello'})

// set the name to whatever

mp3.setName ('hellosppeechfile.mp3')

// get a drv instance

const drv = Exports.newDrv ({

apiKey

})

// get a folder to write it to by its path

const folder = drv.getFolder({ path: 'my audio conversions', createIfMissing: true })

// upload the mp3 to drive

const upload = drv.upload ({ blob: mp3, parentId: folder.id })

}

// You'll need an exports.gs with this stuff in it

[Bruce Mcpherson]

In your appsscript.json manifest file, which scopes did you set, and did you go through an authorization dialog?

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[Kak Dheny]

This is my appsscript.json

Yes, I go through an authorization dialog

[Bruce Mcpherson]

Okay you don't have any oauth scopes in there - you need these (or if you use goa you'll need them set in your goa defiinition)

"oauthScopes": [

"https://www.googleapis.com/auth/script.external_request",

"https://www.googleapis.com/auth/drive",

"https://www.googleapis.com/auth/cloud-platform"

]

To view this discussion on the web visit https://groups.google.com/d/msgid/google-apps-script-community/bd9b6945-c54e-43e6-a293-7f8496e6dae3n%40googlegroups.com.

[Mohd Yasser Arafat]

can i try the script sir ? thx before

[Bruce Mcpherson]

What does your manifest finger look like now? Have you added the correct scopes?

To view this discussion on the web visit https://groups.google.com/d/msgid/google-apps-script-community/6e34b177-87d8-479d-a16b-f14ff2db2611n%40googlegroups.com.