Walder Martinez

Sound Designer/Editor/Mixer

Walder Martinez on SoundBetter

Film Composer - Sound Designer/Editor/Mixer (since 2001) Songwriter - Music Producer - Mixing & Mastering Engineer (since 1990)

With over 23 years in sound design and post-production and 34 years in music production, recording, mixing, mastering, and publishing, I bring a deep well of experience to every project.

My portfolio includes four award-winning films, two films on Prime Video, advertisements for Unilever and Coca-Cola, and work on a Hollywood production.

I offer complete sound post-production packages tailored for short films and budget-friendly productions, including:

Full sound design
Dialogue editing
Ambiences and backgrounds
Foley and effects
Music (composition or supervision)
Final mix (stereo, 5.1, and Dolby Atmos)

Notable Projects:

"El Poder del Diálogo" (The Power of Dialogue) - Spain (2024) - Over 15 awards and nominations worldwide
"My Seven Grandmas" - USA (2024) - Currently in post-production
"Proyecto Lazaro" (The Lazaro Project) - Spain (2024) - Selected at Huelva Film Festival
"City Boy" - USA (2023)
"Sins of David" - USA (2023) - Now on Prime Video
"Omission" - USA (2023)
"La Última" - Spain (2023) - Awarded at the Huelva Film Festival
"Absence of Innocence" - USA (2022)
"El Inquilino" - Spain (2022)
"Outside the Valley" - USA (2021)
"Perros del Fin del Mundo" - Argentina (2018) - Awarded at the Santa Cruz Film Festival, 2018
"El Grito en la Sangre" - Argentina (2014) - Now on Prime Video

Let’s connect!

Send me an email through 'Contact' button above and I'll get back to you asap.

loading
play_arrowpause
skip_previous
skip_next
"Meet again" by Walder Martinez

I was the composer and mixer in this production

Terms Of Service

I am a very flexible person and I adapt to situations. Once we agree on the details, you will surely be satisfied with the work. But we can always find a way to adjust whatever is necessary.

Gear Highlights
  • Avid Pro Tools
  • Dolby Atmos
More Photos
SoundBetter Deal

10% discount on your first job!