A low-latency touch sensitive device comprising: a first and second plurality of conductors being arranged such that: each of the paths of the conductors of the first plurality of conductors cross each of the paths of the conductors of the second plurality of conductors, and wherein when the touch sensitive device is not being touched, a negligible amount of signal is coupled between them, and when the touch sensitive device is being touched, a non-negligible amount of signal is coupled between them; a signal generator adapted to generate a plurality of unique orthogonal signals, each unique orthogonal signal being orthogonal to each of the other unique orthogonal signals; a transmitter associated with the first plurality of conductors, the transmitter being adapted to transmit each of the plurality of unique orthogonal signals on each of the first plurality of conductors simultaneously; a receiver associated with the second plurality of conductors, the receiver being adapted to receive signals present on each of the second plurality of conductors; and a signal processor being adapted to decode the signals present on each of the second plurality of conductors, and for each of the signals present on each of the second plurality of conductors to determine which of the unique orthogonal signals form a non-negligible part thereof, characterized in that a spacing between frequencies of the unique orthogonal signals is at least a reciprocal of a measurement period of the touch sensitive device, and the highest frequency of the unique orthogonal signals is less than twice the lowest frequency of the unique orthogonal signals. a first and second plurality of conductors being arranged such that: each of the paths of the conductors of the first plurality of conductors cross each of the paths of the conductors of the second plurality of conductors, and wherein when the touch sensitive device is not being touched, a negligible amount of signal is coupled between them, and when the touch sensitive device is being touched, a non-negligible amount of signal is coupled between them; each of the paths of the conductors of the first plurality of conductors cross each of the paths of the conductors of the second plurality of conductors, and wherein when the touch sensitive device is not being touched, a negligible amount of signal is coupled between them, and when the touch sensitive device is being touched, a non-negligible amount of signal is coupled between them; a signal generator adapted to generate a plurality of unique orthogonal signals, each unique orthogonal signal being orthogonal to each of the other unique orthogonal signals; a transmitter associated with the first plurality of conductors, the transmitter being adapted to transmit each of the plurality of unique orthogonal signals on each of the first plurality of conductors simultaneously; a receiver associated with the second plurality of conductors, the receiver being adapted to receive signals present on each of the second plurality of conductors; and a signal processor being adapted to decode the signals present on each of the second plurality of conductors, and for each of the signals present on each of the second plurality of conductors to determine which of the unique orthogonal signals form a non-negligible part thereof, characterized in that a spacing between frequencies of the unique orthogonal signals is at least a reciprocal of a measurement period of the touch sensitive device, and the highest frequency of the unique orthogonal signals is less than twice the lowest frequency of the unique orthogonal signals.