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.
1 seat held for the next session
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 advanced Polly mastery, voice apps lose 60% user engagement due to unrealistic voices.
Teams waste 40% of time on manual audio development, costing 25k€ annually per project in delays.
In 2024, 68% of voice AI incidents stem from unoptimized TTS, exposing companies to GDPR fines on accessibility.
Every quarter without Polly skills widens the competitive gap, with rivals delivering AI assistants 3x faster and more natural.
Dive into advanced Polly configuration via AWS console and Python/Node.js SDK, test French neural voices for optimal realism, structure complex SSML documents with prosodic pauses and emphases, create custom phonetic lexicons on domain-specific corpora, perform practical exercises on enterprise scripts, produce initial optimized audio files with metadata, evaluate quality using AWS CloudWatch tools.
Integrate Polly into serverless architectures with AWS Lambda for real-time processing, develop audio streaming flows via WebSockets for interactive chatbots, manage massive synthesis batches for automated podcasts, implement secure IAM authentication and throttling, apply concrete enterprise voice app cases, test resilience with high-load simulations, generate functional deliverables ready for staging.
Customize Polly voices with advanced neural TTS for regional accents and emotions, combine with Amazon Lex for natural multilingual dialogues, optimize latency via S3 caching and CloudFront CDN, analyze MOS metrics with subjective evaluation tools, develop red thread projects on professional AI assistants, integrate feedback loops for rapid iterations, produce scalable and certifying voice demos.
Deploy Polly pipelines in CI/CD with CodePipeline and ECS for high availability, monitor costs and performance via X-Ray and AWS Budgets, secure flows with KMS encryption and private VPCs, migrate legacy TTS to Polly for 70% quality gains, review red thread projects in collective code review, prepare production rollout with DevOps playbooks, validate skills through final certifying audit.
The Training Polly - Deploying Ultra-Realistic Synthetic 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 Polly - Deploying Ultra-Realistic Synthetic 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 Polly - Deploying Ultra-Realistic Synthetic 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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Machine learningIndustry-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.