Evaluate Latin American Spanish recordings for clarity, pronunciation, fluency, naturalness, and overall quality. This remote, part-time contract offers flexible work for fluent speakers in 11 Latin American countries.
Audio & Speech
Remote Hourly · $6.5–$7/hr
$6.5–$7/hr
Compensation
11 countries
Eligibility
Intermediate
Experience
Aug 7, 2026
Posted
Open to applicants in
Argentina Colombia Chile Mexico Costa Rica El Salvador Guatemala Nicaragua Panama Paraguay Venezuela
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About AI Training And Audio Evaluation
AI training is the human side of building artificial intelligence. People review, compare, label, and improve examples so AI systems can better understand language and produce useful results. In audio projects, human evaluators help models recognize high-quality speech and natural-sounding output.
Listen to and compare real or generated audio examples
Provide consistent human judgments using project guidelines
Contribute to the development of speech and language AI
The Role
As a Latin American Spanish Audio Preference Evaluator, you will listen to two audio recordings and select which option is better according to the project criteria. Your evaluations may focus on pronunciation, clarity, fluency, naturalness, accent appropriateness, and overall audio quality.
This is an intermediate-level contractor role for native or fluent Latin American Spanish speakers. The project is expected to run for 3 to 6 months, with a commitment of less than 20 hours per week.
Role: Latin American Spanish Audio Preference Evaluator
Work type: Part-time contractor
Pay: $6.50 to $7.00 USD per hour
Expected duration: 3 to 6 months
Expected commitment: Less than 20 hours per week
Primary working language: Spanish
What You'll Do
You will evaluate unlabeled audio recordings by comparing two versions and making an A/B preference judgment. The work requires careful listening and consistent application of the supplied rating and preference guidelines.
Listen to Latin American Spanish audio recordings
Compare two audio options and select the preferred recording
Rate clarity, pronunciation, fluency, naturalness, and accent appropriateness
Assess overall audio quality based on project instructions
Complete audio evaluation and rating tasks using the project workflow
Requirements
Applicants must have native or fluent proficiency in Latin American Spanish and strong comprehension of spoken Spanish from Latin America. You should be comfortable distinguishing subtle differences in pronunciation, clarity, fluency, accent, and naturalness.
Conversational or fluent English is needed to understand written project instructions. Experience with audio labeling, evaluation or rating tasks, linguistic annotation, transcription, quality assurance, or related language data work is preferred but not required.
Native or fluent Latin American Spanish proficiency
Strong listening comprehension of spoken Latin American Spanish
Familiarity with regional Latin American Spanish accents and vocabulary preferred
Ability to make consistent A/B judgments between recordings
Ability to follow detailed rating guidelines
Conversational or fluent English for written instructions
Experience with audio evaluation or labeling workflows preferred
Quiet listening environment and reliable headphones
Eligible Locations
Candidates must be based in one of the listed Latin American countries. This project is not open to applicants in other locations.
Argentina
Chile
Colombia
Costa Rica
El Salvador
Guatemala
Mexico
Nicaragua
Panama
Paraguay
Venezuela
How To Apply
Create a free OpenTrain account, build your contributor profile, and apply to the project in minutes. Highlight your Latin American Spanish fluency, regional listening experience, and any background in audio evaluation, annotation, transcription, or quality assurance.
Confirm that you are based in an eligible country
Showcase your Latin American Spanish language background
Mention relevant audio, rating, annotation, or transcription experience
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