System and method for determining stacking and sorting quality in machine apparatus that process media

1. A method for evaluating stacking or sorting integrity at an output device of a high-speed apparatus that processes media comprising:

acquiring audio data substantially in real-time from the output device of the high-speed apparatus while the high-speed apparatus is in operation, by use of an audio sensor located at the output device;

transforming by a processor, said audio data to into a stacking or sorting integrity value;

wherein an indication of an operational failure is based on said stacking or sorting integrity value,

wherein based on said indication of an operational failure, the apparatus directs media to a different stacking or sorting location; and

if said stacking or sorting integrity value exceeds a predetermined threshold, slowing or stopping by said processor a document transport of the high-speed apparatus.

2. The method of claim 1 , further including the step, wherein if said stacking or sorting integrity value exceeds a same or different predetermined threshold, reporting by said processor a visual display or a sound cue, based on said stacking or sorting integrity value.

3. The method of claim 1 , wherein said step of transforming by said processor, comprises transforming by said processor, said audio data in a time domain.

4. The method of claim 1 , wherein said step of transforming by said processor, comprises converting said audio data from a time domain into a frequency domain data, and wherein said integrity of output operation value is determined at least in part based on said frequency domain data.

5. The method of claim 4 , wherein said step of converting by said processor comprises converting by said processor running a fast Fourier transform (FFT) process, said audio data from said time domain to said frequency domain data.

6. The method of claim 1 , wherein said step of transforming by said processor, comprises transforming by said processor said audio data in a time domain, a frequency domain, or combination thereof by a neural network running on said processor.

7. The method of claim 1 , wherein said step of acquiring said audio data from the output device of the high-speed apparatus comprises acquiring said audio data by a microphone or a contact microphone.

8. The method of claim 1 , wherein said step of acquiring said audio data from the output device of the high-speed apparatus comprises acquiring said audio data by a plurality of audio sensors.

9. The method of claim 1 , further comprising, following said step of transforming, the step of redirecting media to another destination if said integrity of output operation value falls below a low threshold value.

10. The method of claim 1 , wherein said step of converting by said processor comprises converting by said processor, said audio data from a time domain to a frequency domain to generate energy content data in two or more bandwidths.

11. The method of claim 1 , wherein said step of acquiring said audio data from the output device of the high-speed apparatus comprises acquiring said audio data of a media in motion or in freefall before being deposited on the output device.

12. The method of claim 1 , wherein said step of transforming further comprises determining if the output device of the high-speed apparatus is full.

13. An apparatus for evaluating stacking or sorting integrity at an output device of a high-speed apparatus that processes media comprising:

at least one apparatus section where media is stacked or sorted;

at least one detection device which listens substantially in real-time to audio generated by the output device in operation and which acquires an audio data;

an audio energy content process runs on a processor that analyzes an audio energy content within one or more bandwidths of said audio data;

an output device quality of operation process which generates a stacking or sorting integrity value based on said audio energy content within said one or more bandwidths of interest,

wherein an indication of an operation failure is based on said stacking or sorting integrity value,

wherein based on said indication of an operational failure, the apparatus directs media to a different stacking or sorting location; and

wherein if said stacking or sorting integrity value exceeds a predetermined threshold, said processor slows or stops a document transport of the high-speed apparatus.

14. The apparatus of claim 13 , wherein a visual device or an aural device provides an indication of an operational failure at said output device based on a same or different predetermined threshold in comparison to said stacking or sorting integrity value.

15. The apparatus of claim 13 , comprising a neural network.

16. The apparatus of claim 13 , wherein said at least one detection device comprises a microphone or a contact microphone.

17. The apparatus of claim 13 , wherein an output full device indication is based on said stacking or sorting integrity value.

18. The apparatus of claim 17 , wherein based on said output full device indication, the apparatus directs media to a different stacking or sorting location.

19. A system for evaluating stacking or sorting integrity at an output device of a high-speed apparatus that processes media substantially in real-time comprising:

an audio sensor disposed in or near the output device to acquire audio data from the output device of the high-speed apparatus while the high-speed apparatus is in operation substantially in a real-time;

a processor to run a process to transform said audio data into a stacking or sorting integrity value;

wherein if said stacking or sorting integrity value exceeds a predetermined threshold, said processor slows or stops a document transport of the high-speed apparatus;

wherein an indication of an operation failure is based on said stacking or sorting integrity value, and

wherein based on said indication of an operational failure, the apparatus directs media to a different stacking or sorting location.

20. The system of claim 19 , wherein a visual display or a sound cue operatively coupled to said processor to provide an indication of a fault condition based on exceeding a same or different predetermined threshold of said stacking or sorting integrity value.