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<!DOCTYPE html>
<html lang="en">
<head>
<meta name="google-site-verification" content="mBVpkL04TKlqMsV3VnjYFH7g24LJL-WnUbcLfPKe-wI" />
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<title>Voiceful - Cloud API</title>
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<div class="modal-dialog" role="document">
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<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">Legal notice</h4>
</div>
<div class="modal-body">
<p>
The company Voctro Labs,S.L., with registered offices in C/ Pujades 74-80, 08005 - Barcelona (Spain), with Tax Identification Number B-65.699.662, registered in the Companies Registry of Barcelona, Volume 42942, Folio 161, Page number B 42023 (hereinafter referred to as “VOCTRO LABS”) is the owner of the web site <a href="http://www.voiceful.io"> http://www.voiceful.io </a> (hereinafter referred to as “Web Site”).
</p>
<p> Address: C/ Pujades 74-80, 08005 – Barcelona (Spain).<br>
Telephone: +34 931 587 637.
Email: [email protected] </p>
<table class="table">
<tbody>
<tr>
<td scope="row"><b> 1.- General Terms of Use </b></td>
</tr>
<tr>
<td>
<ul>The user voluntarily accesses this Web Site, which implies that the user shall use it pursuant to this legal notice, the law, morality, good faith and/or proper conduct;</ul>
<ul>The use of this Web Site implies the acceptance of this legal notice;</ul>
<ul>The web pages of this Web Site may be freely visited by users;</ul>
<ul>VOCTRO LABS reserves the right to modify, with no prior notice, the contents of this legal notice so that, for a correct use of the Web Site, we recommend you to periodically visit this section.</ul>
</td>
</tr>
<tr>
<td scope="row"><b>2.- Intellectual and industrial property </b></td>
</tr>
<tr>
<td>
<ul>© 2020, VOCTRO LABS, S.L., <a href="http://www.voiceful.io"> http://www.voiceful.io </a> All rights reserved. </ul>
<ul>The intellectual property rights on the contents of the Web Site, including, but without being limited thereto, its text, graphic design, trade dress (trademarks and commercial names), underlying computer programs (including the source codes) and databases, as well as the different elements that comprise the Web Site and allow its operation, are owned by VOCTRO LABS or, if applicable, VOCTRO LABS has the license or right of use thereof from the holders. All contents of the Web Site are duly protected by the intellectual and/or industrial property rights regulations in force.</ul>
<ul>The use of the Web Site by the user shall not imply the assignment of any intellectual and/or industrial property rights on the different elements or contents of the Web Site. Regardless of the purpose for which they may be used, total or partial reproduction, use, exploitation, distribution, public communication, transformation, availability, extraction and/or marketing of the elements and contents of the Web Site shall require the prior written authorisation of VOCTRO LABS. Any use not previously authorised by VOCTRO LABS shall imply a serious infringement of the intellectual and/or industrial property rights of their holders. The reproduction or any use of elements or contents of the Web Site for profit-making or commercial purposes is hereby expressly and absolutely forbidden.</ul>
<ul>You may send us any remark on possible infringements of the intellectual and/or industrial property rights or any of the contents of the Web Site to our contact e-mail [email protected] </ul>
</td>
</tr>
<tr>
<td scope="row"><b>3.- Limitation of Liability </b></td>
</tr>
<tr>
<td>
<ul>VOCTRO LABS reserves the right to disrupt the access to the Web Site, as well as the provision of any service through the Web Site from time to time with no prior notice, either on technical, security, maintenance or any other grounds; </ul>
<ul>VOCTRO LABS shall not be liable for any disruption of the service, delay or malfunction or other drawbacks that may result from reasons beyond the control of VOCTRO LABS and/or which may be due to any fraudulent or negligent action of the user and/or force majeur events;</ul>
<ul>The information contained on this Web Site may not be correct despite the efforts made for its accuracy and updating. Therefore, VOTRO LABS shall not be liable for any errors in its contents or any damages resulting from its use; </ul>
<ul>This Web Site may contain links to other web sites for whose consents, usefulness or accuracy VOCTRO LABS shall not be liable. The incorporation of any link into this Web Site may not be considered as a recommendation for users to use them, which decision shall be the users’ liability;</ul>
<ul>VOCTRO LABS shall not liable for any damages arisen from the use of this Web Site or its contents, thus not guaranteeing the absence of virus or the impossibility to cause damages to the computer system of the user;</ul>
<ul>VOCTROLABS does not assume any liability for any improper use of this Web Site.</ul>
</td>
</tr>
<tr>
<td scope="row"><b>4.- Governing law and competent courts </b></td>
</tr>
<tr>
<tr>
<td>
<ul>The conditions of this Web Site and the relations between the user and VOCTRO LABS shall be governed by the Spanish law. </ul>
<ul>For the settlement of any discrepancy that may arise between the user and VOCTRO LABS, the parties submit to the competent Courts and Tribunals pursuant to the applicable law.</ul>
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</tr>
</tbody>
</table>
<p>Updated in February 2020</p>
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<h4 class="modal-title">Privacy policy</h4>
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<div class="modal-body">
<table class="table">
<tbody>
<tr>
<td>
<ul>Unless otherwise specifically provided, no personal data is requested or required from Users and no registration processes by the incorporation of mandatory forms are established on the web site http://www.voiceful.io (hereinafter referred to as the “Web Site”).;</ul>
<ul>In the event that any personal data is requested, so that the omission of any of it may cause the impossibility to provide you our services and/or attend your requests, in compliance with provisions set forth in Act 15/1.999, of 13th December, on Protection of Personal Data (hereinafter referred to as the “LOPD”) and its developing regulations, we hereby inform you that: </ul>
<ul>Any personal data you provide us under a registration online form on the Web Site, requests included but not limited to your CV or project in terms of our professional collaboration, as well as the information collected by virtue of the commercial relation and/or provision of services acquired through the Web Site, shall be incorporated into a file duly registered before the General Registry of the Spanish Data Protection Agency, under the responsibility of VOCTRO LABS, S.L., C/ Pujades 74-80, 08005 - Barcelona (Spain), with Tax Identification Number B-65.699.662 (hereinafter referred to as the “VOCTRO LABS”). The purpose of the data processing is the provision of the services offered by VOCTRO LABS on the Web Site, including the Customer Service, enquiry assistance and information requests, job applicants evaluating processes and projects as well as claim management. </ul>
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<td>
<ul>You may exercise the right of access, rectification, cancellation and opposition and revoke your consent for the processing of your personal data. For this purpose, the you may:
<ul>Send a written communication to VOCTRO LABS, S.L., C/ Pujades 74-80, 08005, Barcelona (Spain), attaching a photocopy of your ID or official document that certifies your identity.</ul>
<ul>Send an email to [email protected] stating his/her Name, Surnames, contact telephone and a photocopy of your ID document or official document that certifies your identity. </ul>
</ul>
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<td>
<ul>VOCTRO LABS uses Google Analytics cookies, whose settings are pre-determined by the service offered by the company Google, reason why we suggest you to consult the privacy page of Google Analytics, <a href="http://www.google.es/intl/es_ALL/analytics/learn/privacy.html">http://www.google.es/intl/es_ALL/analytics/learn/privacy.html</a> to obtain more information on the cookies used and how to disable them (it being understood that we are not liable for the contents or veracity of the third-party web sites).</ul>
</td>
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<ul>Finally, we inform you that VOCTRO LABS, S.L. shall process your data absolutely confidential and keeping the mandatory secrecy in respect thereof, pursuant to provisions set forth in the applicable regulations in force at any time, adopting therefor any necessary technical and organizational measures that guarantee the security of your data and avoid their alteration, loss, non-authorised processing or access, considering the estate of technology, the nature of the data stored and the risks at which they may be exposed.</ul>
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<p>Updated in February 2020</p>
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<div id="vosyn-modal" class="modal fade" tabindex="-1" role="dialog">
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<h4 class="modal-title">VoSyn</h4>
</div>
<div class="modal-body">
<p> Recent advances in the area of Machine Learning and Artificial Intelligence can be applied to the generation of a human-like voice signals. Given a set of recordings of a speaker or singer of several minutes, we can create a voice model that captures its main treats, including singing expression. Once this voice model is loaded, Voiceful can generate new content. You can refer to the technical details in this research publication. </p>
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<h4 class="modal-title">VoTrans</h4>
</div>
<div class="modal-body">
<p> Manipulating voice recordings have several applications in the creative media industries. Voiceful offers a patented voice transformation technology [Patent Nr.] that can be integrated in real-time (e.g. a plugin for a Unity videogame, audio FX in a DAW) or as batch processing tool in a post-production workflow (e.g. for film, games, animation, TV, music). </p>
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<h4 class="modal-title">VoAlign</h4>
</div>
<div class="modal-body">
<p> Editing a voice recording without altering the original voice quality has been extensively used in music and film productions with tools such as pitch correction and dialogue synchronization.
Voiceful provides a tool that analyzes and automatically corrects a voice recording. In film applications, Voiceful can synchronize two voice recordings in the ADR workflow (Automatic Dialogue Replacement). We can use onset and phonetic alignment to generate lip-synched animations. In music, VoAlign allows to automatically estimate the musical key of an a capella recording and applying pitch correction to achieve perfect tuning. </p>
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<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">VoDesc</h4>
</div>
<div class="modal-body">
<p>A voice recording conveys an incredible amount of information. For speech, it can be information about the words, about the person, about the emotion; while for singing voice it can bring also information about notes, intonation, the key and tempo of a song. To make clear, Voiceful is not a speech recognition solution. Besides the world of creative media, the analysis algorithms in Voiceful can be further extended for Medical or forensic applications. Check in this example the analysis output and the format of exported data.</p>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal-dialog -->
</div><!-- /#vodesc-modal -->
<div id="voscale-modal" class="modal fade" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">VoScale</h4>
</div>
<div class="modal-body">
<p>Be it a commercial music downmix, be it a field-recording for a film, Voiceful can change the duration and key while preserving the quality of the original recording. Playback speed and transposition controls can be passed dynamically in real-time. For example, the tempo of a song can be changed on the fly synched by a runner's pace, or a gesture movement on a mobile phone. This is a validated professional audio tool, and we are happy when clients with trained ears choose Voiceful over other solutions in the market. Check our demo in <a href="https://drive.google.com/file/d/0B1VsSgcFDRGKc2RsbFMxMW9SdzA/view" alt="VoctroLabs - VoScale" target="_blank">this video</a></p>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal-dialog -->
</div><!-- /#voscale-modal -->
<div id="vomix-modal" class="modal fade" tabindex="-1" role="dialog">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title">VoMix</h4>
</div>
<div class="modal-body">
<p>This is a utility to automatically mix the contents generated by Voiceful with existing musical or FX background tracks. All parameters are configurable and can be adjusted through our VoMix Editor GUI tool <a target="_blank" href="img/vomix_UI.png"> [see screenshot]</a>. VoMix is usually place as tha last process in a multi-stage workflow. </p>
</div>
</div><!-- /.modal-content -->
</div><!-- /.modal-dialog -->
</div><!-- /#vomix-modal -->
</div>
<div id="site">
<div id="navmenu"></div>
<div class="container-fluid">
<div class="row padding-bottom text-center">
<div class="col-xs-12 col-sm-offset-3 col-sm-6">
<img class="icon-img" src="img/icon3.png">
<h1>Cloud API</h1>
<p class="text-justify">
Voiceful allows to create new digital voice experiences for web apps, cloud services and digital campaigns. It features speech and singing synthesis, user voice transformation, pitch-correction, time-alignment, audio-to-midi, among others.
</p>
<p class="text-justify">
Our Cloud API is a RESTful API that can be easily integrated into web sites, mobile apps and other SaaS platforms. We speak PHP, JS, Python, and C++.
Contact us for a <a href="#evaluation-account">free evaluation</a> version of Voiceful Cloud API.
</p>
</div>
</div>
</div>
<div id="rubric" class="container-fluid">
<div id="rubric-inner">
<!-- Took "section" class out of "what" DIV-->
<div id="pricing" class="row text-center pricing">
<h2>PRICING</h2>
<div class="row">
<div class="col-md-4">
<div class="vertical-block card">
<h3>BASIC</h3>
<div class="price">
<span class="price-text">10€</span><span> / month</span><br>
<span>+ 0.04€ / extra request</span>
</div>
<p>
<ul>
<li>Toolkit features</li>
<li>Up to <b>250</b> requests included</li>
<li>FAQ support</li>
</ul>
</p>
<a class="btn btn-lg btn-demos" href="#contact">Coming soon</a>
</div>
</div>
<div class="col-md-4">
<div class="vertical-block card">
<h3>BUSINESS</h3>
<div class="price">
<span class="price-text">450€</span><span> / month</span><br>
<span>+ 0.03€ / extra request</span>
</div>
<p>
<ul>
<li>Toolkit features</li>
<li>Up to <b>15000</b> requests included</li>
<li>Email support</li>
</ul>
</p>
<a class="btn btn-lg btn-demos" href="#evaluation-account">Free evaluation</a>
</div>
</div>
<div class="col-md-4">
<div class="vertical-block card">
<h3>ENTERPRISE</h3>
<div class="price">
<span class="price-text">4500€</span><span> / year</span><br>
<span>+ 0.03€ / extra request</span>
</div>
<p>
<ul>
<li>Toolkit features</li>
<li>Up to <b>180000</b> requests included</li>
<li>Email/Call support</li>
</ul>
</p>
<a class="btn btn-lg btn-demos" href="#evaluation-account">Free evaluation</a>
</div>
</div>
</div>
<div class="row footnote">
<p>
A request is the minimal duration unit, corresponding to a single processed or generated audio recording up to 30 seconds. For longer recordings,
the number of used requests is counted proportionally.
<br>Payment details: Recurring billing • Cancel anytime
</p>
</div>
</div>
<div id="tools" class="row section text-center grey-bg">
<div class="col-xs-12 col-sm-offset-3 col-sm-6">
<h2>TOOLKIT FEATURES</h2>
<div class="vertical-block">
<img src="img/simbol1.png">
<h4>Voice generation | VoSyn</h4>
<p class="text-justify"> Our expressive voice generation approach, based on Deep Learning, was initially developed to generate artificial singing voice with high realism. It can learn a model from existing recordings of any individual and generate new speech or singing content.
<strong><a data-toggle="modal" href="#vosyn-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol2.png">
<h4>Voice Transformation | VoTrans</h4>
<p class="text-justify">
We can transform an actor's voice into a monster vocalization for a film, change a male voice into a kid or elder voice, and integrate it in real-time in games, social apps, or music applications.
<strong><a data-toggle="modal" href="#votrans-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol3.png">
<h4>Voice Alignment and Pitch Correction | VoAlign</h4>
<p class="text-justify">
VoAlign analyzes and automatically corrects a voice recording without losing quality. We can align it to a reference recording for lip-syncing or ADR, or apply pitch correction automatically to an estimated musical key. <br>
<strong><a data-toggle="modal" href="#voalign-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol4.png">
<h4>Voice Description | VoDesc</h4>
<p class="text-justify">
This voice analysis tool extracts acoustic and musical information from a voice recording. Data can be sent in real-time, or exported in a readable format to be used in applications such as visualization, classification, monitoring or singing rating.
<strong><a data-toggle="modal" href="#vodesc-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol1.png">
<h4>Time-scaling and Pitch-shifting | VoScale</h4>
<p class="text-justify">
Beyond voice signals, Voiceful includes also a high-quality time-scaling and pitch-shifting to process any audio content (music, field recordings, dialogues, etc).
<strong><a data-toggle="modal" href="#voscale-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol2.png">
<h4>Mixing and FX | VoMix</h4>
<p class="text-justify">
VoMix works as a virtual DAW with all standard audio effects (autogain, compression, EQ, reverb, delay, panning, mixing, etc.) to deliver audio in a professional-like quality.
<strong><a data-toggle="modal" href="#vomix-modal">+More info</a></strong>
</p>
</div>
</div>
</div>
<div id="how" class="row section text-center">
<div class="col-xs-12 col-sm-offset-3 col-sm-6">
<h2>HOW DOES IT WORK?</h2>
<div class="vertical-block">
<img src="img/simbol1.png">
<h4>Digital and mobile</h4>
<p>
Voiceful is a toolkit built to design digital and mobile experiences with speech and singing voice.
Whether you’re a creative agency, an app developer or a content production company,
Voiceful helps you bring to life ideas that include voice interaction and personalization.
<strong><a data-toggle="modal" href="#usage-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol2.png">
<h4>Integration</h4>
<p>
Our API allows to develop ideas and integrate them easily into your app, website, game, social network or
products. You can use a Cloud API directly or integrate Voiceful natively in your mobile, desktop or server application.
<strong><a data-toggle="modal" href="#software-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol3.png">
<h4>Pre-set vs Custom</h4>
<p>
Voiceful combines pre-defined features with a series of elements that can be configured for each project,
like language, background music or specific technology adaptation. We can also build ideas from scratch
if we love them. Contact us.
<strong><a data-toggle="modal" href="#features-modal">+More info</a></strong>
</p>
</div>
<div class="vertical-block">
<img src="img/simbol4.png">
<h4>Hosting</h4>
<p>
The content will be processed on our servers, no matter if uploaded by users or generated by Voiceful.
It will be available on our storage until expiration date – but you can also extend Voiceful as a storage
and distribution option with an extra fee.
</p>
</div>
</div>
</div>
<div id="what" class="row section text-center">
<div class="col-xs-12">
<div class="row">
<div class="col-xs-12">
<h2>DOCUMENTATION</h2>
</div>
<div class="col-xs-12 col-sm-offset-3 col-sm-6">
<p >
<!-- Voiceful offers a set of voice and audio processing <a href="#tools">tools</a> through a RESTful API for a SaaS access, and a SDK with native libraries for integration in standalone mobile, desktop or server applications. -->
Check our SaaS voice and audio processing tools by trying the below example code.
</p>
<p>
You can check the full documentation here: <a href="https://cloud.voctrolabs.com/docs/api"> https://cloud.voctrolabs.com/docs/api</a> .
</p>
</div>
</div>
<div class="row">
<div class="col-xs-12 col-sm-offset-3 col-sm-6">
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<!-- Nav tabs -->
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<li role="presentation" class="active"><a href="#cloud-code-python" aria-controls="home" role="tab" data-toggle="tab">Python</a></li>
<li role="presentation"><a href="#cloud-code-php" aria-controls="profile" role="tab" data-toggle="tab">PHP</a></li>
<li role="presentation"><a href="#cloud-code-cpp" aria-controls="profile" role="tab" data-toggle="tab">C++</a></li>
</ul>
<!-- Tab panes -->
<div class="tab-content">
<div role="tabpanel" class="tab-pane active" id="cloud-code-python">
<pre class="pre-scrollable">
<code class="lang-python">
import time
import requests # sudo pip install requests
#set user credentials
user = '[email protected]'
password = 'yourpassword'
# Python example that interacts with VOICEFUL VoScale API
# It creates a new task, starts it and waits until
# processing have been finished
url_vocloud = 'https://cloud.voctrolabs.com'
if __name__ == '__main__':
# CREATE TASK //////////////////////////////////////////
print '*** CREATE TASK ***'
#set parameters for transformation
timestretch = 0.8;
pitchshift = 3.0;
payload = {
"time_stretch_ratio": timestretch,
"pitch_shift": pitchshift,
"audio_upload_parts": 1
}
# Post request
response_create = requests.post(url_vocloud + "/api/voscale/tasks",
json=payload,
auth=(user, password))
print(response_create.json())
# Then upload (PUT) audio file to S3 url address returned in
#response_create.json()["audio_upload_urls"][0]
print "\n*** UPLOAD FILES ***"
filepath = "test.wav"
fh = open(filepath)
audio_data_binary = fh.read()
response_upload = requests.put(response_create.json()["audio_upload_urls"][0], data=audio_data_binary)
print("returned ok?:" + str(response_upload.ok) +
" reason:" + response_upload.reason +
" status_code:" + str(response_upload.status_code))
# START TASK ///////////////////////////////////////////
print "\n*** START TASK ***"
task_url = url_vocloud + "/api/voscale/tasks/" +
response_create.json()["id"].encode('utf-8')
response_start = requests.post(task_url + "/start",
auth=(user, password))
print("returned ok?:" + str(response_start.ok) +
" reason:" + response_start.reason +
" status_code:" + str(response_start.status_code))
# Check if task finished
print "\n*** TASK PROCESSED? ***"
print "Processing...";
while True:
time.sleep(1) # delays for 1 seconds
response_status = requests.get(task_url,
auth=(user, password))
if response_status.json()["status"] == 'finished' or
response_status.json()["status"] == 'failed':
break
else:
print '.'
print "** Output URL: " + response_status.json()['audio_url']
# Download file
response_download = requests.get(response_status.json()['audio_url'],
stream=True)
if response_download.status_code == 200:
with open("output.wav", 'wb') as f:
for chunk in response_download.iter_content(1024):
f.write(chunk)
</code>
</pre>
</div>
<div role="tabpanel" class="tab-pane" id="cloud-code-php">
<pre class="pre-scrollable">
<code class="lang-php">
// PHP example that interacts with VOICEFUL VoScale API
// It creates a new task, starts it and waits until
// processing have been finished
//set user credentials
$user = "[email protected]";
$password = "yourpassword";
$url_vocloud = "https://cloud.voctrolabs.com";
// CREATE TASK //////////////////////////////////////////
//set parameters for transformation
$timestretch = 0.8;
$pitchshift = 3.0;
$postDataCreate = array(
'time_stretch_ratio' => $timestretch,
'pitch_shift' => $pitchshift,
'audio_upload_parts' => 1
);
// Setup cURL
$chCreate = curl_init($url_vocloud.'/api/voscale/tasks');
curl_setopt_array($chCreate, array(
CURLOPT_POST => TRUE,
CURLOPT_RETURNTRANSFER => TRUE,
CURLOPT_HTTPHEADER => array(
'Content-Type: application/json'
),
CURLOPT_POSTFIELDS => json_encode($postDataCreate)
));
curl_setopt($chCreate, CURLOPT_USERPWD, $user . ":" . $password);
// Send the request
$responseCreate = curl_exec($chCreate);
curl_close($chCreate);
echo "** Response from create task: ********\n".$responseCreate."\n";
// Check for errors
if($responseCreate === FALSE){
die(curl_error($chCreate));
}
$responseCreate_obj = json_decode($responseCreate,true);
// Then upload (PUT) audio file to S3 url address returned
// in $responseCreate_obj["audio_upload_urls"][0]
$audio_fn = "test.wav";
$audio = fopen($audio_fn, "rb");
$chUpload = curl_init();
curl_setopt($chUpload, CURLOPT_CONNECTTIMEOUT, 2);
curl_setopt($chUpload, CURLOPT_HEADER, false);
curl_setopt($chUpload, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($chUpload, CURLOPT_BINARYTRANSFER, 1);
curl_setopt($chUpload, CURLOPT_URL, $responseCreate_obj["audio_upload_urls"][0]);
curl_setopt($chUpload, CURLOPT_PUT, 1);
curl_setopt($chUpload, CURLOPT_INFILE, $audio);
curl_setopt($chUpload, CURLOPT_INFILESIZE, filesize($audio_fn));
$responseUpload = curl_exec($chUpload);
curl_close($chUpload);
echo "\n** Response from upload audio to S3: *****\n".$responseUpload."\n";
// START TASK ///////////////////////////////////////////
$task_id = $responseCreate_obj["id"];
$task_url = $url_vocloud."/api/voscale/tasks/".$task_id;
// The data to send to the API
$postDataStart = array(
'task_url' => $task_url
);
// Setup cURL
$chStart = curl_init($task_url."/start");
curl_setopt_array($chStart, array(
CURLOPT_POST => TRUE,
CURLOPT_RETURNTRANSFER => TRUE,
CURLOPT_HTTPHEADER => array(
'Content-Type: application/json'
),
CURLOPT_POSTFIELDS => json_encode($postDataStart)
));
curl_setopt($chStart, CURLOPT_USERPWD, $user . ":" . $password);
// Send the request
$responseStart = curl_exec($chStart);
curl_close($chStart);
echo "\n** Response from start task: ******\n".$responseStart."\n";
// Check for errors
if($responseStart === FALSE){
die(curl_error($chStart));
}
$responseStart_obj = json_decode($responseStart,true);
echo "\nProcessing...";
while ( ($responseStatus_obj['status'] != 'failed') and
($responseStatus_obj['status'] != 'finished') )
{
sleep(1);
// Setup cURL
$chStatus = curl_init($task_url);
curl_setopt($chStatus,CURLOPT_RETURNTRANSFER,true);
curl_setopt($chStatus, CURLOPT_USERPWD, $user . ":" . $password);
// Send the request
$responseStatus = curl_exec($chStatus);
curl_close($chStatus);
$responseStatus_obj = json_decode($responseStatus,true);
echo ".";
}
echo "\n\n** Response from status task: ******\n".$responseStatus."\n";
// Check for errors
if($responseStatus === FALSE){
die(curl_error($chStatus));
}
//Decode the response
$responseData_obj = json_decode($responseStatus, TRUE);
//Print output audio generated
echo "\n** Output URL: ".$responseData_obj["audio_url"]."\n";
</code>
</pre>
</div>
<div role="tabpanel" class="tab-pane" id="cloud-code-cpp">
<pre class="pre-scrollable">
<code class="lang-Cpp">
// C++ example that interacts with VOICEFUL VoScale API
// It creates a new task, starts it and waits until
// processing have been finished, downloading the result
#include <iostream>
#include "json.hpp" // https://github.com/nlohmann/json
#include <chrono>
#include <thread>
#include <stdlib.h>
#include <fstream>
// https://github.com/jpbarrette/curlpp
#include <curlpp/cURLpp.hpp>
#include <curlpp/Easy.hpp>
#include <curlpp/Options.hpp>
#include <curlpp/Exception.hpp>
#include <curlpp/Infos.hpp>
using json = nlohmann::json;
std::string user = "[email protected]";
std::string pass = "yourpassword";
std::string url_vocloud = "https://cloud.voctrolabs.com";
int main(int argc, const char * argv[]) {
curlpp::Easy request;
json payload;
// set parameters for transformation
float timestretch = 0.8;
float pitchshift = 3.0;
payload = {
{"time_stretch_ratio", timestretch},
{"pitch_shift", pitchshift},
{"audio_upload_parts", 1}
};
request.setOpt(new curlpp::options::Url(url_vocloud + "/api/voscale/tasks"));
std::list<std::string> header;
header.push_back("Content-Type: application/json");
request.setOpt(new curlpp::options::HttpHeader(header));
request.setOpt(new curlpp::options::PostFields(payload.dump()));
request.setOpt(new curlpp::options::UserPwd(user + ":" + pass));
std::ostringstream response;
request.setOpt(new curlpp::options::WriteStream(&response));
request.perform();
json response_create = json::parse(response.str());
std::cout << response.str() << std::endl;
std::cout << std::endl << "*** UPLOAD FILES ***" << std::endl;
// Audio 1
std::string filepath = "test.wav";
std::string url = response_create["audio_upload_urls"][0];
request.reset();
request.setOpt(new curlpp::options::ConnectTimeout(2));
request.setOpt(new curlpp::options::Header(false));
request.setOpt(new curlpp::options::Url(url));
request.setOpt(new curlpp::options::Put(true));
FILE* wFile;
wFile = fopen(filepath.c_str(), "rb");
fseek(wFile, 0, SEEK_END);
long size = ftell(wFile);
fseek(wFile, 0, SEEK_SET);
request.setOpt(new curlpp::options::ReadFile(wFile));
request.setOpt(new curlpp::options::InfileSize(size));
request.perform();
std::cout << "status_code:" << curlpp::infos::ResponseCode::get(request) << std::endl;
std::cout << "\n*** START TASK ***" << std::endl;
std::string id = response_create["id"];
std::string task_url = url_vocloud + "/api/voscale/tasks/" + id;
std::string start_url = task_url + "/start";
json payload_start = {{"task_url", task_url}};
request.reset();
request.setOpt(new curlpp::options::Url(start_url));
header.clear();
header.push_back("Content-Type: application/json");
request.setOpt(new curlpp::options::HttpHeader(header));
request.setOpt(new curlpp::options::PostFields(payload_start.dump()));
request.setOpt(new curlpp::options::UserPwd(user + ":" + pass));
request.setOpt(new curlpp::options::WriteStream(&response));
request.perform();
std::cout << response.str() << std::endl;
json response_start = json::parse(response.str());
std::cout << "\n*** TASK PROCESSED? ***" << std::endl;
json response_status;
while (true) {
std::this_thread::sleep_for(std::chrono::seconds(1));
request.reset();
request.setOpt(new curlpp::options::Url(task_url));
request.setOpt(new curlpp::options::UserPwd(user + ":" + pass));
request.setOpt(new curlpp::options::WriteStream(&response));
request.perform();
response_status = json::parse(response.str());
if (response_status["status"] == "finished" || response_status["status"] == "failed")
break;
else
std::cout << "-------" << std::endl;
}
std::string mixUrl = response_status["audio_url"];
std::cout << "** Output URL: " << mixUrl << std::endl;
request.reset();
request.setOpt(new curlpp::options::Url(url));
std::ofstream outfile ("output.wav", std::ofstream::binary);
request.setOpt(new curlpp::options::WriteStream(&outfile));
request.perform();
long responseCode = curlpp::infos::ResponseCode::get(request);
if (responseCode == 200) {
std::cout << "File written to output.wav" << std::endl;
} else {
std::cout << "Error " << responseCode << " downloading file";
return -1;
}
return 0;
}
</code>
</pre>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div id="customize" class="row section grey-bg">
<div class="col-xs-12 col-sm-offset-3 col-sm-6">
<div class="row">
<div class="col-xs-12">
<h2 class="text-center">Q&A</h2>
<div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true">
<div class="panel panel-default">
<div class="panel-heading" role="tab" id="headingOne">
<h4 class="panel-title">
<a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
What material do we need to provide to set up a Text-to-Song campaign?
</a>
</h4>
</div>
<div id="collapseOne" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="headingOne">
<div class="panel-body">
To configure the Cloud API for a Text-to-Song campaign, we would need an instrumental music track, and the melody either as a music score (MusicXML, MIDI) or as a capella singing performance.
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading" role="tab" id="headingTwo">
<h4 class="panel-title">
<a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
What are the licensing terms to use the API in an advertising campaign?
</a>
</h4>
</div>
<div id="collapseTwo" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingTwo">
<div class="panel-body">
We offer different options starting from 10 EUR/month for 250 requests to generate 30 seconds of singing. For subscription-based apps or services we offer different options. Please contact us to send you a quote.
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading" role="tab" id="headingThree">
<h4 class="panel-title">
<a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
Is it a better option to use a customized voice or an existing voice?
</a>
</h4>
</div>
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It depends on the aim of your campaign, preferences and budget. However, with a customized voice, you can have the voice of the artist of your preference. In that case, our team will need the artist to record in a studio a set of musical phrases. We will provide the guidelines and the scripts to be sung. Typically, this can be done in a single studio session. Customized voices will need at least one-week development time.
Existing voices, on the other hand, are available on our <a href="demos.html">online demo</a>.
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Is the voice provided in the demo an option?
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Yes, we have four existing voices in our library, one male and one female in English and Spanish. The four voices can be tested in the <a href="demos.html">online demo</a> and can be used in campaigns.
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Are you able to provide a placeholder API for us to integrate with upfront and just swap out the API’s when ours is built?
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We are able to provide example code for you to integrate that API, and swap once yours is ready. We can provide the HTML/JS code we use in our demo. We can also provide the server-side examples code in PHP/Python if necessary.
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If a single lead vocal track of an artists is available, is it enough to create a customized voice?
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Unfortunately, no, one existing lead vocal tracks of are not sufficient. Creating a customized voice requires several minutes of acapella studio recordings of the artist which should be provided to our team. <a href="#evaluation-account">Contact us</a> for more information.
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Do you have examples of customized voices you can share?
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Yes, we can provide an example where you can listen to the real singer recording and the artificial recreation with melody and song added. You will be surprised with the resemblance! The voice we use as an example is the same that you can try out in the <a href="demos.html">demo</a>.
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