Integrated sensor-array processor

An integrated sensor-array processor, comprising:

• a plurality of sensor array time-domain input ports configured to receive sensor signals from a plurality of time-domain sensors;
• a sensor transform engine (STE) configured to create sensor transform data from the sensor signals and to apply sensor calibration adjustments;
• a plurality of transducer time-domain input ports configured to receive a plurality of time-domain transducer signals;
• a transducer output (TTE) transform engine configured to generate transducer output transform data from the transducer signals;
• a spatial filter engine (SFE) configured to apply one or more sets of suppression coefficients to the sensor transform data, to suppress target signals received from noise locations and/or amplification locations;
• a source localization engine (SLE) configured to estimate active source locations in a 3D sensor field of each subband in each frame of the sensor transform data outputted by the STE;
• a blocking filter engine (BFE) is configured to apply one or more sets of subtraction coefficients to the sensor transform data, to subtract the target signals from the sensor transform data;
• a multichannel acoustic-echo cancellation engine (MEAEC) configured to subtract transducer signals from SFE output and the TTE output;
• an environmental modeling engine (EME) configured to process SLE outputs and MCAEC outputs to characterize active sources as transducer or non-transducer, calculate enclosure characteristics, calculate BFE coefficients, and SCE values;
• and
• a sensor calibration engine (SCE) configured to use the sensor transform data to calculate sensor calibration values for sensor frequency bins operating on SLE and MCAEC outputs;
• a noise reduction filter engine (NRE) configured to subtract noise signals from the BFE output;
• an inverse transform engine (ITE) configured to generate time-domain data from the NRE output;
• and
• one or more output ports configured to output the time-domain data.

A method of integrated sensor-array processing, the method comprising:

• (a) creating, at a sensor transform engine (STE), sensor transform data from time-domain sensor signals and applying sensor calibration adjustments;
• (b) generating, at a transducer output transform engine (TTE), transducer output transform data from transducer signals;
• (c) applying, at a spatial filter engine (SFE), one or more sets of suppression coefficients to the sensor transform data, to suppress target signals received from noise locations and/or amplification locations;
• (d) applying, at a blocking filter engine (BFE), one or more sets of subtraction coefficients to the sensor transform data, to subtract the target signals from the sensor transform data;
• (e) subtracting, at a noise reduction filter engine (NRE), noise signals from the BFE output;
• (f) generating, at an inverse transform engine (ITE), time-domain data from the NRE output;
• and
• (g) outputting, at one or more output ports, the time-domain data.

An article of manufacture comprising a non-transitory computer usable medium having a computer readable program code embodied therein for:

• (a) creating, at a sensor transform engine (STE), sensor transform data from time-domain sensor signals and to apply sensor calibration adjustments;
• (b) generating, at a transducer output transform engine (TTE), transducer output transform data from transducer signals;
• (c) applying, at a spatial filter engine (SFE), one or more sets of suppression coefficients to the sensor transform data, to suppress target signals received from noise locations and/or amplification locations;
• (d) applying, at a blocking filter engine (BFE), one or more sets of subtraction coefficients to the sensor transform data, to subtract the target signals from the sensor transform data;
• (e) subtracting, at a noise reduction filter engine (NRE), noise signals from the BFE output;
• (f) generating, at an inverse transform engine (ITE), time-domain data from the NRE output;
• and
• (g) outputting, at one or more output ports, the time-domain data.