Maria Alejandra Hernandez Castañeda | Voice over actor

About Maria

(She/her)

Member sinceFeb 4, 2026

LocationColombia (GMT -5)

I am a professional voice recording specialist focused on AI speech projects, Text-to-Speech (TTS) training, and voice data collection. I help companies, research teams, and AI platforms create clean, natural, and high-quality voice datasets used for machine learning, speech recognition, and synthetic voice development. I work from a controlled, quiet recording environment using professional equipment to ensure recordings that are clear, consistent, and compliant with technical requirements. I am highly detail-oriented and comfortable following strict recording guidelines, scripts, or unscripted prompts depending on project needs. Top Skills and Strengths AI voice data recording and TTS speech collection Scripted and unscripted voice recordings Natural speech delivery with clear pronunciation Consistent audio quality across long-term projects Ability to follow detailed instructions and quality standards Reliable turnaround times and long-term availability Services I Offer Voice recordings for AI training and TTS systems Reading scripted prompts, phrases, and datasets Unscripted responses for natural speech modeling Voice samples for speech research and development WAV audio delivery following client specifications (sample rate, format, naming conventions) Technical Setup Professional microphone Silent, echo-controlled recording space Audio recorded without background noise or artificial processing Ability to adapt to client platforms and recording tools Experience & Work Style I am especially interested in long-term AI and speech technology projects, where consistency, precision, and reliability are essential. I enjoy contributing to innovative technology that improves human–machine interaction and voice-based systems. I take deadlines seriously, communicate clearly, and am always open to feedback to ensure the best possible results for each project. My goal is to become a trusted voice data contributor for teams working in AI, speech research, and voice technology. If you are looking for a dedicated, professional, and detail-focused voice talent for AI speech or TTS projects, I would be happy to collaborate with you.

Skills and services offered

- Language
  Spanish - Colombian
- Voice gender & age
  Female young adult
  Female adult
- Creative services offered
  Audio editing and clean up
- Recording and delivery options
  Digital delivery
- Additional vocal abilities
  Neutral Latin American Spanish Warm, natural and conversational tone Clear diction and consistent pacing Ability to maintain vocal consistency across long recording sessions Natural, human-like delivery suitable for AI and TTS training Light character variations (friendly, calm, informative, instructional) Ability to follow phonetic and pronunciation guidelines
- Experience, training, and equipment
  I specialize in AI speech projects and Text-to-Speech (TTS) voice data recording, with experience producing clean, consistent audio for long-form and dataset-based projects. I am comfortable working with both scripted and unscripted prompts, following detailed recording guidelines and quality standards. I record from a quiet, echo-controlled home studio using professional equipment to ensure high-quality audio suitable for AI training and speech research. Equipment & Setup: Professional condenser microphone Pop filter and basic acoustic treatment WAV recording (client specifications compliant) Noise-free environment, no artificial audio processing I am reliable, detail-oriented, and available for long-term or recurring voice projects that require consistency and precision.

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About Maria

Skills and services offered