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https://github.com/nodef/extra-googletts

Generate speech audio from super long text through machine (via "Google TTS", "ffmpeg").
https://github.com/nodef/extra-googletts

audio cli console extra ffmpeg google googletts long machine shell speech text tts

Last synced: 3 months ago
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Generate speech audio from super long text through machine (via "Google TTS", "ffmpeg").

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README

        

Generate speech audio from super long text through machine, via [Google TTS], [ffmpeg].
> Do you want to:
> - Share your ideas anonymously on YouTube?
> - Pretend on phone that you are not a kid (Home Alone)?
> - Learn good english pronunciation for a speech?
> - Make your computer read out your school notes?
> - Experiment with various voices from around the globe?
> - Or, [Upload Wikipedia TTS videos on YouTube]?

Sample: ["I want to order a stuffed crust pizza"](https://clyp.it/kje2yfdk).




## Setup

### Install

1. Run `npm install -g extra-googletts` in **console**.
2. To install this as a package use `npm install extra-googletts`.
3. Make sure [ffmpeg] is installed (present in PATH).

### Get service account key

1. Create an [account] on [Google Cloud Platform].
2. Create a [new project], and select it.
3. Enable [Cloud Text-to-Speech API] for the project.
4. Add [credentials] to your project.
5. Which API are you using? `Cloud Text-to-Speech API`.
6. Are you planning to use this API with App Engine or Compute Engine? `No, I’m not using them`.
7. Select `What credentials do I need`?.
8. Create a service account.
9. Service account name: `googletts` (your choice).
10. Role: `Project -> Owner`.
11. Service account ID: `googletts` (same as name).
12. Key type: `JSON`.
13. Select `Continue`.
14. Copy downloaded file to a directory.
15. Rename the file to `account_id.json`.

### Set environment variable

1. Copy path of `account_id.json`.
2. Set environment variable `GOOGLE_APPLICATION_CREDENTIALS` to it.
> On Windows, use [RapidEE] to set environment variable.

```bash
# on linux or macos console
export GOOGLE_APPLICATION_CREDENTIALS="[PATH OF account_id.json]"

# on windows powershell
$env:GOOGLE_APPLICATION_CREDENTIALS="[PATH OF account_id.json]"
```




## Console

```bash
googletts "I want to order a stuffed crust pizza"
# out.mp3 created (yay!)

googletts -t speech.txt -o speech.mp3
# speech.mp3 created from text in speech.txt

googletts "Hello 911, my husband is in danger!" -vg female
# out.mp3 created with female voice

echo "Dead man walking." | googletts --log -vn en-US-Wavenet-B
# out.mp3 created with different male voice (log enabled)
```
> Available [TTS voices]?

### Reference

```bash
googletts [options]
# text: input text

# Options:
# --help: show this help
# -l, --log: enable log
# -o, --output: set output audio file (out.mp3)
# -t, --text: set input text file
# -r, --retries: set speech synthesis retries (8)
# -a, --acodec: set acodec (copy)
# -ae, --audio_encoding: set audio encoding (MP3)
# -af, --audio_frequency: set audio frequency/sample rate
# -lc, --language_code: set language code (en-US)
# -vn, --voice_name: set voice name
# -vg, --voice_gender: set voice gender (neutral)
# -vp, --voice_pitch: set voice pitch change (0.0)
# -vr, --voice_rate: set voice speaking rate (1.0)
# -vv, --voice_volume: set voice volume gain in dB (0.0)
# -qb, --quote_break: set quoted text break time (250)
# -qe, --quote_emphasis: set quoted text emphasis level (moderate)
# -hb, --heading_break: set heading text break time (4000)
# -hd, --heading_difference: set heading text break difference (250)
# -he, --heading_emphasis: set heading text emphasis level (strong)
# -eb, --ellipsis_break: set ellipsis break time (1500)
# -db, --dash_break: set dash break time (500)
# -nb, --newline_break: set newline break time (1000)
# -bs, --block_separator: set block separator (.)
# -bl, --block_length: set block length (5000)
# -ccf, --config_credentials_file: set google credentials path

# Environment variables:
$TTS_LOG # enable log (0)
$TTS_OUTPUT # set output audio file (out.mp3)
$TTS_TEXT # set input text file
$TTS_RETRIES # set speech synthesis retries (8)
$TTS_ACODEC # set acodec (copy)
$TTS_AUDIO_ENCODING # set audio encoding (MP3)
$TTS_AUDIO_FREQUENCY # set audio frequency/sample rate
$TTS_LANGUAGE_CODE # set language code (en-US)
$TTS_VOICE_NAME # set voice name
$TTS_VOICE_GENDER # set voice gender (neutral)
$TTS_VOICE_PITCH # set voice pitch change (0.0)
$TTS_VOICE_RATE # set voice speaking rate (1.0)
$TTS_VOICE_VOLUME # set voice volume gain in dB (0.0)
$TTS_QUOTE_BREAK # set quoted text break time (250)
$TTS_QUOTE_EMPHASIS # set quoted text emphasis level (moderate)
$TTS_HEADING_BREAK # set heading text break time (4000)
$TTS_HEADING_DIFFERENCE # set heading text break difference (250)
$TTS_HEADING_EMPHASIS # set heading text emphasis level (strong)
$TTS_ELLIPSIS_BREAK # set ellipsis break time (1500)
$TTS_DASH_BREAK # set dash break time (500)
$TTS_NEWLINE_BREAK # set newline break time (1000)
$TTS_BLOCK_SEPARATOR # set block separator (.)
$TTS_BLOCK_LENGTH # set block length (5000)
$GOOGLE_APPLICATION_CREDENTIALS # set google credentials path
```




## Package

```javascript
const googletts = require('extra-googletts');

await googletts('out.mp3', 'I want to order a stuffed crust pizza');
// out.mp3 created (yay!)

const fs = require('fs');
var speech = fs.readFileSync('speech.txt', 'utf8');
await googletts('speech.mp3', speech)
// speech.mp3 created from text in speech.txt

await googletts('out.mp3', 'Hello 911, my husband is in danger!', {
voice: {gender: 'FEMALE'}
});
// out.mp3 created with female voice

await googletts('out.mp3', 'Dead man walking.', {
voice: {name: 'en-US-Wavenet-B'}, log: true
});
// out.mp3 created with different male voice (log enabled)
```

### Reference

```javascript
const googletts = require('extra-googletts');

googletts(output, text, options={})
// output: output audio file
// text: input text
// options: given below
// -> Promise

// Default options:
options = {
stdio: [0, 1, 2], // set child process stdio
log: false, // enable log
retries: 8, // set speech synthesis retries
acodec: 'copy', // set audio acodec
audio: {
encoding: 'MP3', // set audio encoding
frequency: 0, // set audio frequency/sample rate
},
language: {
code: 'en-US' // set language code
},
voice: {
name: null, // set voice name
gender: 'NEUTRAL' // set voice SSML gender
pitch: 0.0, // set voice pitch change
rate: 1.0, // set voice speaking rate
volume: 0.0, // set voice volume gain in dB
}
quote: {
break: 250, // set quoted text break time
emphasis: 'moderate' // set quoted text emphasis level
},
heading: {
break: 4000, // set heading text break time
difference: 250, // set heading text break difference
emphasis: 'strong', // set heading text emphasis level
},
ellipsis: {
break: 1500 // set ellipsis break time
},
dash: {
break: 500 // set dash break time
},
newline: {
break: 1000 // set newline break time
},
block: {
separator: '.' // set block separator
length: 5000, // set block length
},
config: {
credentialsFile: null // set path to credentials
},
params: null // set synthesize speech parameters "directly"
}
```




## Similar

Do you need anything similar?
- [extra-youtubeuploader] can upload videos with caption to YouTube.
- [extra-stillvideo] can generate video from audio and image.

Suggestions are welcome. Please [create an issue].




[![nodef](https://i.imgur.com/LPVfMny.jpg)](https://nodef.github.io)
> References: [SSML], [TTS voices], [TTS client docs].

[Google TTS]: https://cloud.google.com/text-to-speech/
[ffmpeg]: https://ffmpeg.org
[Upload Wikipedia TTS videos on YouTube]: https://www.youtube.com/results?search_query=wikipedia+audio+article

[Enable API]: https://console.cloud.google.com/flows/enableapi?apiid=texttospeech.googleapis.com
[Setup authentication]: https://cloud.google.com/docs/authentication/getting-started
[account]: https://accounts.google.com/signup
[Google Cloud Platform]: https://console.developers.google.com/
[new project]: https://console.cloud.google.com/projectcreate
[Cloud Text-to-Speech API]: https://console.cloud.google.com/apis/library/texttospeech.googleapis.com
[credentials]: https://console.cloud.google.com/apis/credentials/wizard
[RapidEE]: https://www.rapidee.com/en/about

[extra-stillvideo]: https://www.npmjs.com/package/extra-stillvideo
[extra-youtubeuploader]: https://www.npmjs.com/package/extra-youtubeuploader
[create an issue]: https://github.com/nodef/extra-googletts/issues

[SSML]: https://developers.google.com/actions/reference/ssml
[TTS voices]: https://cloud.google.com/text-to-speech/docs/voices
[TTS client docs]: https://cloud.google.com/nodejs/docs/reference/text-to-speech/0.1.x/v1beta1.TextToSpeechClient