Translate the given Spanish text to English

Input: Consider Input: An apparatus for processing an audio signal is provided.

Output: Se presenta un aparato para procesar una señal de audio.


Input: Consider Input: The actuating means cooper-ate with elements actuating the springs of the hook switch.

Output: DISPOSITIVO INTERRUPTOR DE GANCHO PARA APARATO TELEFONICO DE UN CUERPO.


Input: Consider Input: The present invention relates to Rifaximin polymorphic forms, to their use in medicinal preparations and to therapeutic methods using them.


Output: La presente invención se refiere a formas polimórficas de rifaximina, a su uso en preparaciones medicinales y a métodos terapéuticos que las utilizan.