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".
- Run
npm install -g extra-googletts
in console. - To install this as a package use
npm install extra-googletts
. - Make sure ffmpeg is installed (present in PATH).
- Create an account on Google Cloud Platform.
- Create a new project, and select it.
- Enable Cloud Text-to-Speech API for the project.
- Add credentials to your project.
- Which API are you using?
Cloud Text-to-Speech API
. - Are you planning to use this API with App Engine or Compute Engine?
No, I’m not using them
. - Select
What credentials do I need
?. - Create a service account.
- Service account name:
googletts
(your choice). - Role:
Project -> Owner
. - Service account ID:
googletts
(same as name). - Key type:
JSON
. - Select
Continue
. - Copy downloaded file to a directory.
- Rename the file to
account_id.json
.
- Copy path of
account_id.json
. - Set environment variable
GOOGLE_APPLICATION_CREDENTIALS
to it.
On Windows, use RapidEE to set environment variable.
# 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]"
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?
googletts [options] <text>
# 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
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)
const googletts = require('extra-googletts');
googletts(output, text, options={})
// output: output audio file
// text: input text
// options: given below
// -> Promise <table of contents>
// 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"
}
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.
References: SSML, TTS voices, TTS client docs.