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I am looking for a freelance developer or team to create a local AI avatar system with real-time voice interaction and facial/lip synchronization for Latin American Spanish. Currently, we already have a basic avatar that can display responses, but it does not speak or animate facial movements naturally. The goal is to build an avatar that can: Speak directly using AI-generated voice (TTS) Synchronize mouth/facial movements with speech Simulate realistic modulation using at least the 5 main vowel mouth shapes (visemes/phonemes) Run locally (offline or local server environment) Allow flexible integration with different AI providers Work primarily in Latin American Spanish Main requirements: • Local execution The system must run locally using CPU/GPU resources. Cloud dependence should be minimal or optional. • Spanish language support The avatar must work primarily in Latin American Spanish, including: natural Latin American Spanish voice generation correct Spanish phonetic lip synchronization proper pronunciation and modulation support for conversational Spanish interaction Chilean Spanish support is a plus, but not mandatory. • Lip sync / facial animation The avatar should animate while speaking, including: mouth movement synchronization basic facial animation blinking / idle movements preferred At minimum, the avatar should support vowel-based mouth shapes so it visually appears to modulate speech naturally in Spanish. Possible technologies are open to proposal: Unity Unreal Engine [login to view URL] WebGL Live2D NVIDIA Audio2Face Oculus LipSync Rhubarb Lip Sync or similar alternatives • AI integration flexibility The conversational AI provider is not fixed. The architecture should allow easy replacement/integration of APIs such as: Grok OpenAI Claude Gemini local LLMs custom APIs We will later modify the backend/API ourselves, so modular architecture is important. • Audio pipeline Ideally the system should support: microphone input speech-to-text AI response generation text-to-speech synchronized avatar playback Deliverables: Fully functional prototype Source code Basic installation documentation Modular architecture Local deployment instructions Preferred experience: AI avatars lip sync systems facial animation TTS/STT Unity/Unreal real-time rendering local AI systems Optional future features: multiple avatars emotions streaming integration facial recognition body animation camera integration Please include: technologies you would use estimated timeline previous related work/demo if available approximate budget estimate for MVP development.
Project ID: 40426717
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89 freelancers are bidding on average $1,095 USD for this job

With over 12 years in AI software development and a proven track record of delivering 600+ projects, I am confident that I possess the skills and experience you need for this project. My expertise includes natural language processing, AI Chatbot development, TTS engines, and deep learning- all crucial aspects to constructing the local AI Avatar system with facial/lip synch capabilities you require. Not only have I mastered numerous software such as Rhubarb Lip Sync, Oculus LipSync, Live2D, and Unity, but I'm also proficient in multiple API integration. One stand-out attribute that sets me apart is an ability to adapt. You mentioned the conversational AI provider is not fixed - well, my strong suit lies in flexible modular architecture which makes it possible to easily replace or integrate different APIs. What’s more, I have hands-on experience with audio pipelines including microphone input and speech-to-text translation; a vital supplementary component to augment your request.
$1,500 USD in 21 days
6.6
6.6

With over a decade of experience in AI avatars, lip sync systems, and TTS/STT technologies, I understand your need for a local AI avatar system in Latin American Spanish that can provide real-time voice interaction and facial/lip synchronization. My background in building high-complexity systems, like the Telegram Mini Apps serving over 1 million users, directly applies to the challenges of creating a realistic and locally executed avatar for your project. A strategic insight for ensuring scalability and security in this project is to focus on modular architecture for easy integration of different AI providers. My past success in developing AI solutions, including synchronized avatar playback and conversational AI integration, proves my ability to handle the complexities of this project. I encourage you to reach out to discuss further details and the roadmap for developing the AI avatar for Latin American Spanish. Let's collaborate to bring this project to life.
$1,200 USD in 20 days
6.3
6.3

Hola: He revisado detenidamente los requisitos de su sistema de avatares con IA local y he comprendido con claridad el alcance técnico y la visión a largo plazo del proyecto. Con más de 10 años de experiencia en sistemas de IA, renderizado en tiempo real, visión por computadora, procesamiento de voz, animación de avatares y arquitecturas de IA local, puedo ayudarle a construir una plataforma de avatares con IA que sea modular y escalable, optimizada para la interacción en español latinoamericano. Cuento con experiencia trabajando con pipelines de TTS/STT, sistemas de sincronización labial (lip-sync), integraciones conversacionales de IA, motores de animación en tiempo real y despliegues locales acelerados por GPU. El sistema puede diseñarse arquitectónicamente para soportar la ejecución local, permitiendo una integración modular de proveedores de IA, al tiempo que ofrece una síntesis de voz en español natural y una animación facial sincronizada. * Arquitectura del sistema de avatares con IA local * Integración de TTS/STT en tiempo real para español latinoamericano * Sincronización labial y animación facial basada en visemas * Integración de pipelines conversacionales de IA * Flujos de trabajo de renderizado basados en Unity, Unreal o WebGL * Integración modular de API para OpenAI, Claude, Gemini, Grok o LLMs locales * Entrada de micrófono y reproducción sincronizada del avatar * Optimización y despliegue en el borde (Edge) o local mediante GPU Gracias.
$1,000 USD in 21 days
6.4
6.4

Hello, I’ve reviewed your requirement for a local AI avatar system with real-time Latin American Spanish voice interaction, lip synchronization, and modular AI integration. I understand the importance of achieving natural Spanish speech modulation, accurate phoneme/viseme-based facial animation, and a flexible architecture that can operate locally while remaining adaptable for future AI provider changes and feature expansion. I can help develop a modular MVP using technologies such as Unity or Unreal combined with local TTS/STT pipelines, NVIDIA Audio2Face or Oculus LipSync for facial synchronization, and API-agnostic backend integration for OpenAI, Grok, Gemini, Claude, or local LLMs. The system will support microphone input, conversational processing, synchronized avatar playback, vowel-based viseme animation, and scalable architecture with clear source code and deployment documentation for local GPU/CPU execution. I’m ready to discuss the preferred rendering stack, avatar style, and local hardware environment to define the most efficient implementation path. Based on the current scope, the MVP timeline would realistically range between 4–8 weeks depending on animation complexity and TTS/STT requirements. Thanks, Asif
$1,500 USD in 11 days
5.4
5.4

Hi, I am an AI avatar developer with 8 years of rich experience. I am familiar with Python, Unity, TTS, STT, Lip Sync, Local LLM. For this project, the most important part is building a local audio-to-avatar pipeline that makes Spanish speech look natural on the face. I can create the flow for microphone input, speech recognition, AI response, TTS voice output, and vowel-based lip synchronization for Latin American Spanish. I can also keep the backend modular so OpenAI, Claude, Gemini, Grok, or local models can be changed later. I'm an individual freelancer and can work in any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
$3,500 USD in 7 days
3.9
3.9

Hi There!!! ★★★★ (Local real-time AI avatar with Spanish TTS + lip sync + modular AI pipeline integration) ★★★★ Project understanding: You need a local AI avatar system that speaks Latin American Spanish with natural voice, real-time AI interaction, and accurate lip/facial synchronization. It must run locally, support modular AI APIs, and produce realistic speech-driven animation. ⚜ Local-first architecture (Unity or Unreal with optional Python AI bridge) ⚜ Spanish LATAM TTS pipeline with natural pronunciation & modulation ⚜ Real-time lip sync using visemes (5+ vowel mouth shapes) ⚜ Facial animation (blinking, idle motion, expression layer) ⚜ Modular AI integration (OpenAI, Claude, Gemini, local LLMs etc) ⚜ Audio pipeline: STT → AI → TTS → synchronized avatar playback ⚜ CPU/GPU optimized local deployment system I have experience working with AI pipelines, real-time Unity systems, and voice-driven applications with TTS/STT integration and animation syncing. For this I would likely use Unity + NVIDIA Audio2Face or Rhubarb Lip Sync + Python backend for AI orchestration. Plan: build avatar + lip sync core first, then integrate Spanish TTS, then connect modular AI layer, and finally optimize for local performance. Can deliver MVP quickly with clean modular code so you can extend it later. Let’s discuss your exact avatar style and start shaping it. Warm Regards, Farhin B.
$759 USD in 10 days
4.2
4.2

Hi, this is Kris from McKinney, Texas. I've reviewed your project requirements and understand that you are looking to create a local AI avatar system with real-time voice interaction and facial/lip synchronization for Latin American Spanish. The key challenge lies in developing an avatar that can accurately simulate natural speech modulation and facial movements in Spanish. My approach involves utilizing technologies like Unity or Unreal Engine to build a locally executable system that supports Spanish language voice generation, lip synchronization, and facial animation. I will ensure flexibility in AI integration and deliver a fully functional prototype with modular architecture for easy backend modifications. A few additional questions: Q1: Are there any specific AI providers you prefer for voice generation and conversation? Q2: Do you have a preference for the level of emotions the avatar should express? Q3: Is there a target audience or platform for the avatar's deployment? Best regards, Kris Kramer
$750 USD in 3 days
4.3
4.3

Hi [ClientFirstName], I’ve read your Local AI Avatar project and I’m confident we can build a robust, offline-first avatar that speaks Latin American Spanish with natural lip-sync and real-time interaction. I bring 15+ years in web/mobile and AI integrations, and I’ve shipped modular, localization-friendly architectures that run locally or on a private server. I’ll design a plug-in friendly pipeline: local TTS for Latin American Spanish, robust viseme-based lip-sync (at least the 5 vowel shapes), CPU/GPU-accelerated animation, and a modular AI backend to swap providers (OpenAI, Grok, Claude, Gemini or local LLMs). The tech stack will center on Unity for real-time rendering, with a lightweight audio pipeline (mic input, STT, AI response, TTS, and synchronized avatar playback). We’ll ensure idle animations (blinks), expressive but natural mouth movements, and basic facial animation. Deliverables: fully functional prototype, source, installation docs, and a modular, easily extendable architecture. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Looking forward to collaborating to nail the Latin American Spanish voice, accurate lip-sync, and local deployment. Best regards, Asad
$750 USD in 20 days
3.4
3.4

Welcome to professional Python development services! Hi there, I'm Alema, a Python expert programmer who strives for clear code in atmospheric, numerical weather prediction, physics, and all other seminal fields. I'm ready to provide you with high-quality services. I have completed 350+ projects with a 100% Positive Rating. If you are looking for Quality work, look no further. Also, we are a team of professional workers, and we are always available 24/7 to help employers without limitations, and delivery is guaranteed on time. Your faithfully. Eng. Alema Akter
$1,050 USD in 7 days
3.8
3.8

Greetings, I understand you need a local AI avatar system with real-time voice interaction and lip sync specifically for Latin American Spanish. The avatar must speak using TTS, synchronize mouth movements (visemes), run locally (CPU/GPU), and support flexible AI provider integration. Spanish phonetics and natural Latin American voice generation are required. Microphone input, STT, AI response, TTS, and synchronized playback are needed. Here is how I will work: I will build the system using Unity with Rhubarb Lip Sync (open source, supports Spanish phonemes via a custom mapping or extended phoneme set) or NVIDIA Audio2Face if you have a GPU. For TTS, I will use Coqui TTS with a Latin American Spanish voice model (or a lightweight local API). For STT, I will use Vosk with a Spanish model. For conversational AI, I will build a modular API layer so you can switch between local LLMs or cloud providers (OpenAI, Grok, etc.) without changing core code. The avatar will include idle blinking. Technologies: Unity, C#, Vosk (Spanish), Coqui TTS (es-US or custom), Rhubarb Lip Sync (with Spanish phoneme adaptation). I am ready to begin as soon as you share your current avatar assets. Thanks, Revival
$750 USD in 14 days
2.9
2.9

Hello, I am Vishal Maharaj, with 20 years of experience in Python, AI Development, AI Text-to-speech, Unity, and AI Chatbot Development. I have carefully reviewed your project requirements for creating a local AI avatar system for Latin American Spanish. To achieve this, I propose developing a Unity-based avatar system with real-time voice interaction and facial/lip synchronization. The system will utilize AI-generated voice for speech, synchronize mouth/facial movements realistically, and support the 5 main vowel mouth shapes for natural modulation in Latin American Spanish. I will ensure the avatar runs locally, integrates with various AI providers, and supports conversational Spanish interaction with proper pronunciation and modulation. The project deliverables will include a fully functional prototype, modular architecture, and local deployment instructions. Please initiate a chat to discuss this further. Cheers, Vishal Maharaj
$1,000 USD in 10 days
2.6
2.6

Hello, I just read your job description and it sounds like an exciting project! Based on your needs, here's how I can help: I've got experience with AI development, specifically in creating interactive avatars and working with TTS systems. For this project, I suggest using Unity for its robust support for real-time rendering and facial animations. We can integrate NVIDIA Audio2Face or Oculus LipSync for the lip synchronization part. For voice interaction in Latin American Spanish, we could utilize local TTS solutions that ensure natural-sounding speech. The modular architecture you're looking for is definitely achievable; we can set it up to easily plug in different APIs like OpenAI or any custom ones you prefer. I estimate that developing a functional prototype will take around 6-8 weeks. I've worked on similar projects before, so I'm confident we can create something impressive here! Looking forward to discussing this further. Kind Regards, Lautaro
$1,200 USD in 1 day
2.6
2.6

Hi there, I have 7+ years of experience in Audio Services, AI Chatbot Development, AI Development and can deliver a clean, reliable solution for your project. I value clear communication and timely delivery, and I’m ready to get started immediately. Let’s connect and discuss your goals. Best regards, Dorian
$1,125 USD in 1 day
2.5
2.5

As a versatile and experienced freelance developer with a focus on both web and software solutions, I strongly believe that I am the right candidate to tackle this project. With a skillset that encompasses Python - which is incredibly useful for AI technology - as well as extensive experience in UI/UX strategy and digital product experience, I bring to the table all the necessary components to develop a functional prototype of the local AI avatar system you're seeking. Over the years, I have had the opportunity to work with diverse clients from multiple industries on projects of varying complexities. This has engendered in me an ability to understand not just technical requirements but also broader business goals - crucial for this project as it involves understanding and implementing localized Latin American Spanish lip synchronization, pronunciation, and modulation. Moreover, my expertise in deploying scalable systems is in tandem with your demand for an architecture enabling modular APIs from different providers. By staying up-to-date with the latest technology such as Unity and Unreal Engine, I can facilitate seamless integration between your chosen conservation AI provider software like OpenAI or any other. Trust my proven record in delivering high-quality work within defined timelines and budgets for the MVP development of this project.
$800 USD in 3 days
2.2
2.2

Hi there, I can build your local AI avatar prototype with a modular pipeline: mic input → STT → AI provider layer → Latin American Spanish TTS → viseme/lip-sync animation → avatar playback. For the MVP, I’d recommend Unity + Python local server, using Rhubarb/Oculus LipSync-style vowel visemes for Spanish mouth shapes, offline/local TTS where possible, and an API adapter so you can later switch between OpenAI, Claude, Gemini, Grok, or local LLMs without rebuilding the avatar. I’ll focus on natural Latin American Spanish speech, clean mouth modulation, blinking/idle animation, and local deployment with clear setup docs. Best, Carlos
$1,400 USD in 7 days
2.0
2.0

Hello, In my opinion, the problem of this project is that achieving real-time voice interaction and natural facial animation in Latin American Spanish requires a robust, modular architecture. I will implement a local system using Unity or Unreal Engine, leveraging NVIDIA Audio2Face for lip-sync and facial animation, ensuring it runs efficiently on CPU/GPU. The audio pipeline will integrate microphone input with speech-to-text and TTS for AI-driven responses. I will design the system to support modular API integration for various AI providers, focusing on phonetic accuracy in Spanish, particularly for vowel shapes. The deliverable will include a fully functional prototype, source code, and comprehensive installation documentation, ensuring a smooth local deployment. I have developed similar AI avatar systems with real-time capabilities. I can start immediately. Best Regards.
$750 USD in 7 days
1.5
1.5

With my skillset and experience in AI development and Python, I can bring your vision for a localized AI avatar system to life. I have previously worked on projects involving natural language processing, speech-to-text and vice versa transforming using APIs like Grok, OpenAI, Claude and Gemini among others. Also, my proficiency in lip sync systems, facial animation and TTS/STT aligns perfectly with some of the core requirements of your project. Being focused on delivering fast, high-quality solutions that are also scalable and easy to maintain, I believe I can create a local AI avatar system that works primarily in Latin American Spanish as you've requested. I am well-versed in technologies like Unity and Unreal Engine which could be perfect for building such an interactive tool. Apart from that, my ability to build SaaS platforms can ensure that the avatar works seamlessly with different AI providers. To give you a sense of my previous worked, I have successfully developed fully functional prototypes like the one you require before. Meeting your budget needs is important for me so depending on the intricacy of the actual work - for MVP estimation - we can get that done as low as $X in X weeks. In conclusion, I believe with my adaptable approach to modern trends and dedication to serving clients' needs, none of which will be any different for you - there isn't a better fit than myself for this venture. Let our Excellency integrate yesterday with tomorrow!
$750 USD in 7 days
1.4
1.4

Este proyecto requiere una combinación muy específica de IA conversacional, síntesis de voz, sincronización facial y arquitectura modular local, y tengo experiencia trabajando con sistemas que integran procesamiento en tiempo real, rendering interactivo y pipelines de audio/video. Para un MVP sólido propondría una arquitectura modular usando Unity o Unreal junto con un pipeline desacoplado de STT → LLM → TTS → Lip Sync, permitiendo cambiar fácilmente entre OpenAI, Claude, Gemini, Grok o modelos locales sin rehacer el sistema. En la parte visual, puedo implementar sincronización labial basada en visemas/fonemas para español latino, incluyendo al menos las cinco formas vocálicas principales, además de animaciones idle como blinking y pequeños movimientos faciales para mejorar naturalidad. También entiendo la importancia de la ejecución local, por lo que el sistema puede diseñarse para funcionar en CPU/GPU local con dependencias cloud opcionales, especialmente para TTS o LLMs según el rendimiento esperado. El resultado sería un prototipo funcional, escalable y preparado para futuras expansiones como emociones, múltiples avatares, integración de streaming o reconocimiento facial sin comprometer la arquitectura inicial.
$1,125 USD in 7 days
1.6
1.6

✋ Hi There!!! ✋ The Goal of the project:- Develop a local AI avatar system with real-time Latin American Spanish voice interaction, facial animation, and modular AI integration for scalable future expansion. I carefully read your complete project description and understand you need a locally deployed AI avatar with natural Spanish TTS, accurate lip synchronization, microphone interaction, and flexible integration with multiple AI providers. I am the best fit for this project because I bring 9+ years experience as a full stack developer with expertise in Unity, AI systems, TTS/STT pipelines, and real-time avatar rendering. I can build synchronized viseme-based facial animation with blinking and idle states, modular API architecture supporting OpenAI, Claude, Gemini, and local LLMs, and complete microphone to AI response workflows with local deployment support. Services include UI design, database management, testing, optimization, and full source code delivery. I have completed similar AI avatar and conversational automation systems for interactive platforms. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$1,125 USD in 7 days
1.4
1.4

Hello, I am excited about the opportunity to develop a local AI avatar system that provides real-time voice interaction and facial synchronization tailored specifically for Latin American Spanish. I understand the importance of creating an engaging and natural avatar that not only speaks but also animates facial movements seamlessly. With over five years of experience in AI-based applications and real-time rendering, I have successfully delivered projects focused on TTS, facial animation, and lip-sync systems using technologies like Unity and Unreal Engine. My expertise in modular architecture will ensure that the system is easy to integrate with various AI providers and can run efficiently on local resources. To achieve the project goals, I propose the following approach: - Develop a local execution environment utilizing CPU/GPU resources for optimal performance. - Implement advanced TTS functionality with accurate phonetic lip synchronization for natural Spanish speech. - Design a modular architecture that allows for easy integration of different conversational AI APIs. - Create a prototype with synchronized mouth movements and basic facial animations, ensuring a lifelike interaction experience. I am eager to bring this vision to life and am confident in delivering a high-quality prototype within the desired timeline. I would love to discuss this project further and explore how we can collaborate effectively. Looking forward to your response!
$750 USD in 7 days
1.0
1.0

Nunoa, Chile
Member since Apr 28, 2021
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