Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
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Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Without mastering text-to-speech with Amazon Polly, 65% of voice integration projects fail in the testing phase, generating delays of 3 to 6 months per deployment.
These errors cost an average of 12,000 € per incident in lost development hours and urgent rework, not counting revenue losses from degraded user experience.
Your company then risks a 25% drop in customer retention on audio content, while competitors capture the exploding market (+35% annually).
Every quarter without expertise exposes your career to obsolescence amid rising demand for custom digital voices.
Overview of synthetic voice uses (accessibility, chatbots, video, e-learning, podcasts, etc.), presentation of TTS (Text-to-Speech) technologies, focus on Amazon Polly and its advantages, opening an AWS account, discovery of the Polly interface and first voice tests.
Exploration of available voices and languages, audio file generation via AWS Console, introduction to using the Polly API in Python/Node.js, integration into web and mobile applications, quota and cost management.
Use of SSML tags to control pronunciation, pauses, volume, speed, accent, adding effects, practical customization cases, batch text-to-audio processing automation, best practices, GDPR and accessibility issues, strategic and ethical perspectives.
The Training: Mastering Text-to-Speech with Amazon Polly: Creating Custom Digital Voices program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Training: Mastering Text-to-Speech with Amazon Polly: Creating Custom Digital Voices program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Training: Mastering Text-to-Speech with Amazon Polly: Creating Custom Digital Voices program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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Automation & workflowsIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.