Pad OSEM in English would be "Pad SEM".

In this audio, the focus is on the concept of "Pad SEM," which is the English translation of "Pad OSEM". It is a term associated with musical elements such as chords, pads, and synthesizers. The audio delves into the technical aspects of music production, particularly in the context of electronic music and sound design. The term "Pad" refers to a type of synthesized sound in electronic music that is often used for producing sustained, harmonic tones. "SEM", on the other hand, could possibly be an abbreviation related to a specific method or technique in sound synthesis. Together, "Pad SEM" implies a specific type of sound or technique in music production that involves the use of synthesized pads. The audio is likely to provide further insights or instructions about this concept.