Hi from Poland... I`m Peter, an experienced audio freelancer , native PL. with my team of coworkers we worked already with similar to yours projects /sources for PL-learning, VO for PL- animations, videos.. In my portfolio you can find some our past recordings in file "for PL-learning+animations info VO-recordings samples" . We can provide for you professional quality recording.. We are team with few female and male professional voices, we work in professional, well equipped (hard+software) audio studio with latest dedicated for studio products from Cubase-Sonar-Izotope-Melodyne-Vocalign+Shure-Behringer-SP-Neumann and more.. We always provide top quality work, on time and in budget... let start.. all best to you.. Peter