Speech Synthesis projects — HireLancer archive

ID / Date Listing

Real-Time Lip Sync Integration

I need the Live API endpoint wired into my existing Neko project so that the avatar’s mouth moves in perfect real-time sync with the speech coming from the API....

HL-40610850

Live TTS With Word Highlight

I already have a JavaScript-based reader that parses and displays text in the browser. The next step is to make it speak the text smoothly while visually tracki...

HL-40610279

Make a Custom Female Voice Clone for Speech to Speech / Live Reading Projects

I have a catalogue of audiobook projects in the pipeline and need my male voice (turned into female) as a cloned model. I tried a voice model with AKOOL, but th...

HL-40595893

US - Speech Data Collection Project

We're running a quick speech-data project and need native or near-native US English speakers to read and record 100 very short sentences on their Android phone....

HL-40583747

Real-Time Voice Translation Engine Development

We need a programmer to build a real time voice translation engine

HL-40560898

AI Voice Assistant for Medical Clinics

# AI Medical Receptionist – Project Requirements ## Objective Build an AI voice receptionist for medical clinics that answers incoming calls 24/7, books appoint...

HL-40555036

Speech Recording Task

I need native-sounding adults (25 years or older) to help me build a high-quality speech dataset in both English and Hindi. I will supply short, clearly written...

HL-40515642

AI Voice Model Development for Customer Support

We are looking for an experienced AI speech synthesis specialist to develop a custom AI voice model using voice recordings that I own and have full rights to us...

HL-40504661

Real-Time AI Interview Avatar Developer / Engineer

I need an AI-driven avatar that can step in as the interviewer during live mock sessions on my platform, handling every aspect of a technical interview in real...

HL-40504253

Multilingual TTS Application

I'm looking for an experienced developer to create a Text to Speech (TTS) application. Requirements: - Support for English, Spanish, and Chinese. - Options for...

HL-40490109

English Audio Conversation Annotation

I am preparing a large batch of English conversation recordings for machine-learning training and need extra hands right away. Your job is to listen to each cli...

HL-40471816

Japanese Audio Recording Task (no need to be a professional recorder; just need to be able to speak Japanese and English)

I’m a native Japanese speaker who has coordinated speech-collection jobs once or twice before, and I’m now scaling up a much larger project: about 9,000 hours o...

HL-40470878

Realtime Voice Cloner & Changer

I want to turn my Windows PC into a fun playground where I can instantly sound like any speaker I feed into the system and flip between male- and female-soundin...

HL-40470137

Call Center Speech Dataset Collection (English, Hindi, Spanish )

Project Description We are looking for experienced freelancers or teams to provide or build a high-quality call center conversation dataset for AI training. We...

HL-40453924

Greek Conversation Recording Needed

Hiring 50 Freelancer We are looking for native Greek speakers to participate in a conversation recording task to support speech recognition technology developme...

HL-40395265

Voice AI Feedback Automation Setup

I need a streamlined voice-driven workflow that sits on top of n8n, taps ElevenLabs for speech synthesis where needed, and uses Vapi to handle the real-time cal...

HL-40391538

Australian Speech Therapy Product Evaluation

I’m looking for a registered speech therapist based in Australia to help me “test tech”⁠—specifically, to put an early-stage speech-therapy tool through its pac...

HL-40360212

Bland.ai Voice Pathway Enhancement

My Bland.ai pathway already performs smoothly in text, but the moment we switch to voice a few critical problems appear. The system starts throwing spelling err...

HL-40359997

KJV Bible TTS Integration

Project Title: Phase 3 – Text-to-Speech Layer for King James Bible Search Engine Project Overview This is Phase 3 of a planned 5-phase system. The existing syst...

HL-40359128

Python Developer Needed – Voice Accent Softening

Our client runs a call center with Nigerian agents calling US businesses. They need a Python script that makes the agents' accent sound more neutral and clear t...

HL-40350315

Real-Time Voice Cloning macOS

I need a turnkey solution that converts my voice in real time on my MacBook Air M2 (16 GB, Apple Silicon). The cloned output must preserve tone, naturalness and...

HL-40347227

Real Time AI Contact Center Platform

I am ready to move a production-grade, real-time contact-center platform that runs on Asterisk v18/21. The goal is to handle both inbound and outbound calls whi...

HL-40331893

Multilingual AI Voice Solution Research

I need a clear, step-by-step method that turns my written German text into lifelike speech in English, Spanish, French, Chinese, ... The audio will be used in e...

HL-40318304

Build/deliver ultra-realistic Dutch multi-speaker voice cloning system for Mac Mini M4 (16GB)

Title: Build/deliver ultra-realistic Dutch multi-speaker voice cloning system for Mac Mini M4 (16GB) I need a COMPLETE working local solution for a Mac Mini M4...

HL-40310046

Expertise Needed for Web Speech API Optimization

JS Freelancer needed — Browser-based Voice Recognition (Web Speech API) Context: I'm developing a PWA web application (vanilla HTML/CSS/JS, Firebase). A "hands-...

HL-40300785

Dutch Voices for TTS Research

We are currently engaging multiple freelancers who are native Dutch speakers to participate in a short voice recording project supporting language and speech te...

HL-40298990

Project BV - Catalan (ca-ES: Spain) and English - Code-Switching Conversation Recording Project

Multilingual Voice Recording Project – Code-Switching Conversations Project Name: BV Project Type: Remote | Ongoing (Limited Slots per Locale) Project Overview...

HL-40291540

Dutch Speech Data Collection

1. Project Overview Thank you for participating in the Dutch Speech Data Collection Project. All recordings must strictly follow the standards below. Any deviat...

HL-40287766

Optimize Real-Time Voice AI

Hi — we’re looking for an experienced AI engineer who has built real-time conversational voice systems. Our platform uses AI to answer phone calls for businesse...

HL-40282735

Voice Recording & Model Training

I have a small machine-learning assignment that combines a bit of audio work with some light coding. First, I need a short set of clean voice recordings capture...

HL-40266719

French Voice Recordings Needed

I need a set of high-quality French narrative recordings delivered in a consistently formal tone so they can be fed into an internal AI speech-training pipeline...

HL-40266741

Arabic Voice Recording for AI

I’m assembling a clean, well-labelled corpus of Modern Standard Arabic recordings to train and evaluate a speech-to-text engine. Arabic Voice Recordings Needed...

HL-40266761

Somali Voice Recordings for AI

Paid voice recording project for AI training. Somali Voice Recordings Needed I need a set of high-quality Somali narrative recordings delivered in a consistentl...

HL-40266772

Celtic Languages Voice Recording

Paid voice recording project for AI training. Welsh, Scottish Gaelic and Irish Voice Recordings Needed I need a set of high-quality narrative recordings deliver...

HL-40259166

Developed a Windows C# Advanced Speech Analysis (ASA) engine

Hi I will share the details with the shortlisted candidates. Thanks

HL-40258956

Unreal Engine Real-Time MetaHuman Voice Talkbot

I need a developer who can wire together Unreal Engine’s MetaHuman framework with several AI services to create a real-time, push-to-talk assistant that speaks...

HL-40258083

Developed a Windows C# Advanced Speech Analysis (ASA) engine

Hi I will share the details with the shortlisted candidates. Thanks

HL-40256427

Developed a Windows C# Advanced Speech Analysis (ASA) engine

Hi I will share the details with the shortlisted candidates. Thanks

HL-40255995

Developed a Windows C# Advanced Speech Analysis (ASA) engine

Hi I will share the details with the shortlisted candidates. Thanks

HL-40226019

German Speakers Wanted – Record 725 Short Sentences

German Speakers Wanted – Record 725 Short Sentences We are continuing our German speech data collection project and are looking to onboard additional freelancer...