Formant aided noise cancellation using multiple microphones

1. A noise cancellation device, comprising:

a plurality of modules incorporated within an electronic device, the plurality of modules comprising:

a plurality of Fast Fourier Transform (FFT) modules receiving raw audio data and generating a respective transformed signal as a function of formants, a first transformed signal relating to speech data and a second transformed signal relating to noise data;

a formant detection module receiving the first transformed signal and generating a frequency range data signal;

a direction of arrival module receiving the first and second transformed signals, determining a cross-correlation between the first and second transformed signals, and generating a spatial orientation data signal, the spatial orientation data signal comprising a first angle corresponding to the speech data and a second angle corresponding to the noise data;

a beamformer receiving the first and second transformed signals, the frequency range data signal, and the spatial orientation data signal and generating modification data at selected formant ranges to eliminate a maximum amount of the noise data; and an inverse FFT module receiving the modification data to generate a modified audio data signal that isolates the speech data.

2. The device of claim 1 , wherein the modification data further enhances the speech data.

3. The device of claim 1 , wherein the transformed signals are separated into a plurality of frequency bins.

4. The device of claim 1 , wherein the frequency range data signal includes a plurality of ranges for a predetermined speech block.

5. The device of claim 1 , wherein the spatial orientation signal includes at least two angles, a first angle relating to the speech data and a second angle relating to the noise data.

6. The device of claim 1 , wherein the modification data is generated at least using weighted data as a function of a direction of the speech and noise signals.

7. The device of claim 6 , wherein the weighted data is incorporated to bin frequencies in selected formant ranges.

8. A method, comprising:

receiving raw audio data by a plurality of Fast Fourier Transform (FFT) modules, the Fast Fourier Transform (FFT) modules generating a respective transformed signal as a function of formants, a first transformed signal relating to speech data and a second transformed signal relating to noise data;

generating a frequency range data signal as a function of the first transformed signal;

generating a spatial orientation signal as a function of a cross-correlation between the first and second transformed signals, the spatial orientation data signal comprising a first angle corresponding to the speech data and a second angle corresponding to the noise data;

generating modification data at selected formant ranges to eliminate a maximum amount of the noise data as a function of the first and second transformed signals, the frequency range data signal, and the spatial orientation data signal; and

generating a modified audio data signal by an inverse FFT module that isolates the speech data as a function of the modification data.

9. The method of claim 8 , wherein the modification data further enhances the speech data.

10. The method of claim 8 , wherein the transformed signals are separated into a plurality of frequency bins.

11. The method of claim 8 , wherein the frequency range data signal includes a plurality of ranges for a predetermined speech block.

12. The method of claim 8 , wherein the spatial orientation signal includes at least two angles, a first angle relating to the speech data and a second angle relating to the noise data.

13. The method of claim 8 , wherein the modification data is generated at least using weighted data as a function of a direction of the speech and noise signals.