Vehicle battery box comprising at least one outer casing delimiting a chamber receiving the battery and comprising a support and a removable cover connected to each other, the box comprising positioning lugs and lugs for fixing said battery box to the vehicle, said positioning lugs and said fixing lugs being mounted on the outer casing. The digital sigma-delta modulator receives a digital input signal and produces a quantized digital signal therefrom. A matching engine can then identify a segment of television, based on fingerprinting techniques and can determine a time delay between the start time of the segment of television and its identification.