Record short audio clips in two native languages following project guidelines.
Ensure recordings meet quality, clarity, and accuracy standards.
Provide feedback or evaluations on audio samples as needed.
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train AI systems. They are building smarter, more human AI with a diverse community in 100+ countries.
Transcribe audio recordings accurately into text, capturing speech including pauses, filler words, and speaker labels.
Add timestamps and mark non-speech events such as laughter or background noise.
Review and refine transcripts to ensure high-quality data for AI speech recognition models.
Appen provides high-quality training data for AI and machine learning systems. It operates a global platform with a large community of independent contractors, offering flexible remote work opportunities.
Transcribe 5-second audio clips of English dialects accurately according to style guide.
Flag audio issues such as background noise or cut-off speech using simple codes.
Work flexible hours with an average completion time of ~125 seconds per task.
Welo Data, part of Welocalize, is a global AI data company that delivers high-quality, ethical data to train the world’s most advanced AI systems. With over 500,000 contributors in 100+ countries, the company values diversity and community.
Record 20 scripted prompts in Australian English on our web platform
Read clearly and naturally following guidelines for clarity and consistency
Submit your assigned set by the deadline
Welo Data provides AI services to enhance artificial intelligence and voice technology through data collection and annotation projects. They are a global organization that values contributor collaboration and the collective impact of AI.
Record natural, scripted conversations in Danish and English using Audacity.
Collaborate remotely with another Danish speaker, switching between languages as per scripts.
Deliver high-quality audio files following project guidelines.
Lionbridge is a language and AI technology company that provides translation, localization, and data annotation services. They employ thousands of freelancers worldwide and focus on supporting language technology development with a global, independent contractor culture.
Record 150 short, scripted voice prompts in Italian using the Appen Mobile app on your smartphone.
Work from anywhere in Italy on your own schedule, with the task taking approximately 2 hours.
Must be a native Italian speaker, currently residing in Italy, and 18+ years old with a compatible smartphone.
CrowdGen by Appen is a platform that connects independent contractors with AI data collection projects. They are a large company focused on gathering high-quality speech data to improve voice AI systems, with a culture of flexible, project-based work.
Work in an AI-powered platform to review and refine synthetic speech
Rate dubbed media content for Portuguese and German audiences
Evaluate voice profiles and ensure high-quality dubbing output
RWS is a technology-enabled language services company specializing in localization and content management. They are a large global organization with a focus on innovation and diversity, offering freelance opportunities.
Record short video and/or audio clips with emotional expression.
Listen and transcribe various video and/or audio clips.
Act short scripts in different tones or emotional styles.
This company hires individuals to provide expressive voice recordings for AI training. It is an enterprise client working on a research initiative to improve AI understanding of human tone and emotion.
Review English source documents alongside two machine-generated Assamese translations, evaluating accuracy, fluency, and overall quality.
Select the preferred translation and provide a clear written justification for your assessment.
Complete assigned samples independently within established timelines, adhering strictly to project and client guidelines.
Welo Data provides AI operations and data generation services for leading technology clients. They are a global contributor community offering project-based opportunities with flexible, remote work.
Record scripted audio prompts in Spanish using the provided platform, each under one minute.
Follow guidelines to ensure clear, natural delivery with no background noise or distortion.
Complete the task remotely using a laptop or desktop with stable internet and a headset or external mic.
Welo Data is an AI services company specializing in data collection and annotation for machine learning and voice technology. They offer flexible freelance opportunities for contributors worldwide, focusing on high-quality audio data.
Engage in natural conversations with two AI models for 2-6 turns using provided scenarios.
Compare and rank the models based on given criteria after completing conversations.
Submit Pass/Partial/Fail votes for each model performance.
An enterprise client helps the world's most innovative companies improve their AI models by providing human feedback. They work with a large volume of freelancers on a contract basis and emphasize a culture of flexibility and remote collaboration.
Evaluate AI-generated Tamil audio for natural emotional and cultural nuance.
Perform sentiment analysis to assess model’s conveyance of intonations and feelings.
Identify and report unnatural or culturally mismatched tones in AI output.
Prolific builds the biggest pool of quality human data in the world, connecting researchers with over 35,000 paid study participants. It is a platform that enables the collection of high-quality, ethically sourced human behavioral data for AI development.
Record 20 scripted prompts (each under one minute) on a web platform in French.
Read clearly and naturally using a laptop in a quiet indoor space.
Follow guidelines to ensure clarity, consistency, and natural delivery by the deadline.
Welo Data provides AI data services to help advance voice and AI technology. As a freelance community, we offer flexible project-based work with a focus on quality and collaboration.
Produce verbatim transcripts from audio recordings with 98%+ accuracy.
Timestamp segments with precise alignment and identify speakers in conversations.
Annotate non-speech events and follow quality guidelines consistently.
Our enterprise client is a leading provider of high-quality, diverse datasets for AI model development. They are a large organization seeking skilled contractors to support their transcription needs.
Produce verbatim transcripts from single-speaker and multi-speaker audio recordings with a target accuracy rate of 98% or higher.
Timestamp transcript segments with precise alignment to audio, maintaining offsets of less than 500 milliseconds.
Identify and label speakers in conversations involving two to three participants.
They are a leading provider of high-quality, diverse datasets for AI model development. The company's size and culture are not specified in the posting.
Annotate or label text, images, or audio to train AI systems
Evaluate search results, ads, or chatbot responses for quality and relevance
Create and test prompts to improve large language models (LLMs)
Welo Data is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train advanced AI systems. They are building smarter, more human AI with a diverse community in over 100 countries.
Evaluate Korean-English translations produced by an AI chatbot for accuracy and adherence to user-specified requirements.
Apply MQM error annotations, verify auto-generated rubric items, and evaluate each item as Pass or Fail.
Ensure consistent and accurate ratings while completing assigned tasks within given timelines.
Appen helps improve AI-powered translation systems through crowd-based evaluation projects. They are a large global company offering project-based independent contractor roles, fostering a culture of flexibility and remote work.
Design complex evaluation frameworks and execute role-play scenarios simulating realistic customer service interactions.
Audit AI model performance across standardized metrics, focusing on task completion, conversational naturalness, and audio comprehension.
Generate diverse, high-quality audio datasets and assess basic computer programming literacy in JSON and structured data reasoning.
The company is an AI benchmarking project that evaluates advanced agentic audio models through simulated customer support scenarios. It is a freelance contractor project with no specific company size or culture mentioned beyond the project scope.
Listen to Korean audio clips and evaluate them against project guidelines.
Review metadata and flag sensitive content, explicit language, or undisclosed AI-generated audio.
Dedicate up to 20 minutes per task with native Korean proficiency.
Welo Data, part of Welocalize, is a global AI data company with over 500,000 contributors delivering high-quality, ethical data to train AI systems. They operate in 100+ countries, focusing on building smarter AI through human contribution.
Read and record short sentences in English at varying volume levels (normal, soft, and whisper).
Complete all recordings within a single session.
Follow project guidelines to ensure recordings meet quality standards.
Appen is a company that collects and annotates data for AI and machine learning projects. They work with a large global crowd of independent contractors to improve AI systems.