Walder Martinez

CEO & Founder at La Galera Multimedia
Composer, Re-Recording Mixer and Sound Editor

Málaga, Spain

Member Since:
July 2024

Last online:
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About Walder

Composer | Sound Editor | Re-Recording Mixer — Film, TV & Streaming Audio Post-Production

I help filmmakers, producers, and studios bring their stories to life through world-class sound design, custom foley, original scoring, and high-end mixing — fully compliant with all industry standards for cinema, TV, and streaming platforms.

About Me

I am a Composer, Sound Editor, and Re-Recording Mixer with over 35 years of experience in music production and sound post-production for film, TV, streaming, and digital content.

As the founder and lead engineer at La Galera Multimedia, my studio provides complete audio post-production services, including:
• Dialogue editing & restoration
• Ambient design & environmental soundscapes
• Custom foley (recorded in-house)
• Sound design & special effects (films, TV, games)
• Original score composition & music supervision
• Mixing in Stereo, 5.1, Dolby Atmos, Binaural, and Ambisonics
• Full compliance with Netflix, Prime Video, Apple TV, Audible, Spotify, and all streaming platforms.

Selected Credits
• 6 feature films available on Prime Video
• 30+ international film credits (USA, Australia, Germany, Canada, Spain, Argentina, El Salvador, and more)
• Netflix productions (in post-production stage)
• Award-winning films: Fireland Dogs, The Power of Dialogue, Summer’s Nightmare, La Última, My 7 Grandmas
• Advertising clients: Unilever, Coca-Cola, Microsoft

Studio & Tools
• Pro Tools Ultimate | Studio One Pro 7
• Dolby Atmos-ready facilities
• iZotope RX, Acoustica, SpectraLayers, Clear, and top industry tools
• Extensive sound libraries (NI, 8Dio, Cinescapes, UVI)
• Custom Foley & field recording capabilities

Services
• Film & TV post-production
• Animation sound design
• Documentary audio
• Foley creation
• Podcast & audiobook editing
• Original music composition
• Full audio mastering and delivery

IMDb Verified Credits: imdb.me/waldermartinez
Portfolio:

Gender:
Male

Badges

Certifications

Photos

Videos

Credits

My Seven Grandmas (2023 - 2024)
Film by Johnick Petry DIalogue Editor / Foley Artist Gigi - a 16-year-old atheist is stuck living with her Grandpa in MN BUT if she can convert him to Christianity surely one of the seven old ladies she just met will marry him and she can move back to CA. How hard could that be?
Senior Software Engineer (2024)
Film (short) by Scott Danzig re-recording mixer / sound designer / sound editor An grandma programmer allies with the ghost of her predecessor to satisfy her young, trendy influencer boss's latest ultimatum.
City Boy (2023)
Film by Legend dialogue editor / foley artist / sound designer / sound mixer
La Última (2023)
Film (short) by MalasIdeas / Fran Bueno composer / dialogue editor / foley artist / sound designer / sound mixer
Absence of Innocence (2022)
Film by Legend dialogue editor / sound designer / sound mixer Torris is used to having things his way. When he meets Drew her lack of interest in him piques his interest in her. Refusing to take no for an answer, Torris' growing obsession with Drew leads him down a path which leads to tragedy.
Omission (2022)
Film by Legend dialogue editor / sound designer / sound mixer A female escort starts a relationship with a married man. He does not disclose that he's married, and she does not disclose that she's an escort setting the stage for conflict, pain, and remorse.
El Inquilino (2022)
Film (short) by MalasIdeas / Luisito Perez composer / dialogue editor / sound designer / sound mixer Jaime Figueroa viaja a Canarias para realizar una serie de conferencias sobre software informático. El piso que alquila es muy económico, céntrico y con algún que otro inconveniente.
Comienzo (2022)
Film (short) by MalasIdeas / Luisito Perez / Fran Bueno composer / dialogue editor / sound designer / sound mixer Cuando seas mayor harás cosas importantes, le decía su madre, treinta años después, Daniel Lago recibe una llamada que le hará cambiar el transcurso del mundo.
Essence of Love (2022)
Film (short) by Monty Miranda Composer
Carb-Loaded (2021)
Film by Lathe Poland re-recording mixer The film traces the origins of our beliefs about healthful and unhealthful food. Experts from all over the world talk about the problems as well as short and long term solutions. Among the many experts in the film are authors like Gary Taubes, Mark Sisson, and Melanie Warner. Medical doctors such as David Perlmutter M.D., David L. Katz, and Timothy Noakes share insights that are certain to challenge the status quo. Carb-Loaded: A Culture Dying to Eat is a chronicle of the things it's writer and director Lathe Poland learned after he was diagnosed with Type 2 diabetes. He sought to find out why he got sick, because he didn't fit the classic picture of an adult onset diabetes sufferer. He quickly learned that much of what he knew about healthy eating was based on myths or fifty year old science. In the film he searches out why Americas modern food culture is killing us. The upside? There is a lot that can be done!
El Elegido (2021)
Film (short) by Sam Garcia composer
Perros del Fin del Mundo (2018)
Film by Juan Dickinson Composer
El Grito en la Sangre (2014 - 2015)
Film by Fernando Musa Composer En algún lugar del interior de la Argentina, la creencia popular sostiene que cuando un hombre muere a traición, éste debe ser vengado por su primogénito, para que esa alma descanse en paz.