The article analyzes realization of voiceless and voiced plosive consonants in the speech of the Russian-speaking bilingual adults of Germany reading aloud a phonetically representative text. The author measures bilingual adult’s voice pause period regarding the instant of explosion of voiced plosive consonants — voice on set time (VOT), since she considers it the most reliable acoustic indicator to differentiate between voiceless and voiced consonants. Voiced plosive consonants VOT characteristics differ in the Russian and German languages; consequently, inter-lingual phonetic interference occurs.