Processing method and processing apparatus for stereo audio output enhancement

A processing method comprising:

• receiving a set of input signals;
• processing the received set of input signals in a manner so as to produce processed input signals;
• producing a set of intermediate signals, the set of intermediate signals comprising at least a portion of a compensated signal, a first mixed signal and a second mixed signal;
• and
• processing the set of intermediate signals, the set of intermediate signals being processable in a manner so as to produce a set of output signals comprising a first output signal and a second output signal,
• wherein the processed input signals are processable in a manner so as to produce the compensated signal, the set of input signals are processable in a manner such that the first input signal is mixed with at least a portion of the compensated signal to produce a first mixed signal and the set of input signals are processable in a manner such that the second input signal is mixed with at least a portion of the compensated signal to produce a second mixed signal, and
• wherein the first and second mixed signals are processable in a manner so as to produce a first filter processed signal and a second filter processed signal respectively, the first and second output signals being based on the second filter processed signal and the first filter processed signal respectively.

A processing apparatus configurable for receiving and processing a set of input signals from an input module, the set of input signals comprising a first input signal and a second input signal, the processing apparatus configurable for processing the set of input signals in a manner so as to produce a set of output signals communicable to an output module, the processing apparatus comprising:

• an input portion configurable for receiving the set of input signals from the input module and processing the set of input signals in a manner so as to produce processed input signals comprising a first processed input signal and a second processed input signal;
• and
• an intermediate portion coupled to the input portion in a manner so as to receive the set of input signals and the processed input signals, the intermediate portion being configurable for processing the processed input signals in a manner so as to produce a compensated signal, the intermediate portion being further configurable for processing the set of input signals in a manner such that the first input signal is mixed with at least a portion of the compensated signal to produce a first mixed signal and the second input signal is mixed with at least a portion of the compensated signal to produce a second mixed signal, the intermediate portion comprising:
• a first mixer coupled to the input portion in a manner so as to receive the first input signal, the first mixer being configurable for producing the first mixed signal;
• a second mixer coupled to the input portion in a manner so as to receive the second input signal, the second mixer being configurable for producing the second mixed signal;
• a third mixer coupled to the input portion in a manner so as to receive the processed input signals, the third mixer being configurable for processing the first and second processed input signals in a manner such that the first processed input signal is mixed with the second processed input signal so as to produce a third mixed signal;
• and
• a compensator coupled to at least one of the first mixer, the second mixer and the third mixer, the compensator being configurable for receiving and processing the third mixed signal in a manner so as to produce the compensated signal, the compensator being further configurable to communicate at least a portion of the compensated signal to each of the first and second mixers;
• and
• an output portion coupled to the intermediate portion in a manner so as to receive the first mixed signal and the second mixed signal, the output portion being configurable to process the first and second mixed signals in a manner so as to produce the set of output signals, the set of output signals comprising a first output signal and a second output signal,
• wherein the output portion is configurable to process the first and second mixed signals in a manner so as to produce a first filter processed signal and a second filter processed signal respectively, and
• wherein the output portion is further configurable to produce the first and second output signals based on the second filter processed signal and the first filter processed signal respectively.