Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Gaston Martinez-Acosta, a freelance mixing engineer specializing in documentary and film post-production with over 5 years of experience. I have a strong passion for enhancing storytelling through precise audio mixing, focusing on dialogue clarity, ambient sound balancing, and narrative-driven sound design. I thrive in tight deadline environments and enjoy collaborating remotely with directors, editors, and composers to deliver broadcast-ready, emotionally resonant audio. My expertise extends to working with theatrical, streaming, and FCC-compliant broadcast deliverables using tools like Pro Tools and iZotope RX. I love optimizing soundscapes to enhance the emotional tone of productions and have successfully led post-production audio teams. I'm always excited to bring sound to life and contribute creatively to a project's success.…Hi, I'm Gaston Martinez-Acosta, a freelance mixing engineer specializing in documentary and film post-production with over 5 years of experience. I have a strong passion for enhancing storytelling through precise audio mixing, focusing on dialogue clarity, ambient sound balancing, and narrative-driven sound design. I thrive in tight deadline environments and enjoy collaborating remotely with directors, editors, and composers to deliver broadcast-ready, emotionally resonant audio. My expertise extends to working with theatrical, streaming, and FCC-compliant broadcast deliverables using tools like Pro Tools and iZotope RX. I love optimizing soundscapes to enhance the emotional tone of productions and have successfully led post-production audio teams. I'm always excited to bring sound to life and contribute creatively to a project's success.

Gaston Martinez-Acosta

Mixing Engineer, Sound Designer, Sound Engineer, +3





Hi, I'm Gaston Martinez-Acosta, a freelance mixing engineer specializing in documentary and film post-production with over 5 years of experience. I have a strong passion for enhancing storytelling through precise audio mixing, focusing on dialogue clarity, ambient sound balancing, and narrative-driven sound design. I thrive in tight deadline environments and enjoy collaborating remotely with directors, editors, and composers to deliver broadcast-ready, emotionally resonant audio. My expertise extends to working with theatrical, streaming, and FCC-compliant broadcast deliverables using tools like Pro Tools and iZotope RX. I love optimizing soundscapes to enhance the emotional tone of productions and have successfully led post-production audio teams. I'm always excited to bring sound to life and contribute creatively to a project's success.…Hi, I'm Gaston Martinez-Acosta, a freelance mixing engineer specializing in documentary and film post-production with over 5 years of experience. I have a strong passion for enhancing storytelling through precise audio mixing, focusing on dialogue clarity, ambient sound balancing, and narrative-driven sound design. I thrive in tight deadline environments and enjoy collaborating remotely with directors, editors, and composers to deliver broadcast-ready, emotionally resonant audio. My expertise extends to working with theatrical, streaming, and FCC-compliant broadcast deliverables using tools like Pro Tools and iZotope RX. I love optimizing soundscapes to enhance the emotional tone of productions and have successfully led post-production audio teams. I'm always excited to bring sound to life and contribute creatively to a project's success.

Available to hire

Hi, I’m Gaston Martinez-Acosta, a freelance mixing engineer specializing in documentary and film post-production with over 5 years of experience. I have a strong passion for enhancing storytelling through precise audio mixing, focusing on dialogue clarity, ambient sound balancing, and narrative-driven sound design. I thrive in tight deadline environments and enjoy collaborating remotely with directors, editors, and composers to deliver broadcast-ready, emotionally resonant audio.

My expertise extends to working with theatrical, streaming, and FCC-compliant broadcast deliverables using tools like Pro Tools and iZotope RX. I love optimizing soundscapes to enhance the emotional tone of productions and have successfully led post-production audio teams. I’m always excited to bring sound to life and contribute creatively to a project’s success.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Freelance A1 Audio Engineer

January 1, 2018 - Present

Served as Sound Supervisor and Re-Recording Mixer for 'The Old Mill,' leading a 4-person post-production audio team to deliver theatrical-quality mixes aligned with the director’s vision. Optimized dialogue intelligibility and ambient soundscapes with advanced editing and cleaning techniques. Collaborated remotely to meet tight deadlines, delivering mixes in stereo and 5.1 surround sound for festival submissions. As a Post-Production Sound Engineer for 'The Hardest Working Man' documentary, delivered broadcast-ready mixes for film and trailer, edited live music performances to fit narrative arcs, enhanced sound design, and integrated Foley for emotional pacing with quick turnaround times. Also recorded and mixed audio quickly for special episodes of US Chamber of Commerce & Shark Tank projects.

Freelance A1 Audio Engineer at Self-Employed

January 1, 2018 - Present

Sound Supervisor & Re-Recording Mixer for 'The Old Mill' (Cinéma Vérité): Led a 4-person post production audio team to deliver a theatrical-quality mix aligned with the director’s vision, optimizing dialogue intelligibility and ambient soundscapes with advanced editing and cleaning techniques. Collaborated remotely with editors, composer, and director to meet a 30-day deadline for final mixes and stems in stereo and 5.1 surround for festival submissions. Post-Production Sound Engineer for 'The Hardest Working Man' (Documentary): Delivered broadcast-ready mixes for film and trailer used in US and European film festivals, edited live music performances, enhanced sound design, integrated Foley and sound design to strengthen emotional pacing, coordinating with the director for quick mix revisions. Location Sound/Post-Production for US Chamber of Commerce & Shark Tank special episode: Recorded studio audio and delivered mix within 6 hours post final edit receipt.