Translate the given Spanish text to English

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

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


Ex Input:
A valve body (26) is received within the seat (20) and comprises a curved surface (28) and a planar surface (30) that extends across the curved surface (28).

Ex Output:
Un cuerpo de valvula (26) es recibido dentro del asiento (20) y comprende una superficie curveada (28) y una superficie plana (30) que se extiende a traves de la superficie curveada (28).


Ex Input:
The second arm portion is pivotably connected to the walls.

Ex Output:

La segunda porción del brazo se conecta en pivote a las paredes.