Acoustic system quality assurance and testing
View Patent ↗Embodiments of the invention provide systems and methods for testing acoustic systems. According to one embodiment, a method for testing an acoustic system can comprise receiving a signal from the acoustic system at a testing device coupled with the acoustic system via one of a plurality of channels between the acoustic system and the testing device. The signal can include a pattern of pulses including Doppler pulses. At least one Doppler pulse from the pattern pulses of the signal can be detected with the testing device. A response to the signal from the acoustic system can be provided by generating an echo pulse with the testing device based on the detected at least one Doppler pulse wherein the echo pulse is frequency shifted from the detected at least one Doppler pulse and mimics a response to the detected at least one Doppler pulse for a selected acoustic probe.
1. A method for testing an acoustic system, the method comprising:
receiving a signal from the acoustic system at a testing device coupled with the acoustic system via one of a plurality of channels between the acoustic system and the testing device, wherein the signal includes a pattern of pulses including Doppler pulses;
detecting at least one Doppler pulse from the pattern of pulses of the signal with the testing device; and
responding to the signal from the acoustic system by generating an echo pulse with the testing device based on the detected at least one Doppler pulse wherein the echo pulse is frequency shifted from the detected at least one Doppler pulse and mimics a response to the detected at least one Doppler pulse for a selected acoustic probe.
2. The method of claim 1 , wherein generating the echo pulse comprises:
determining a frequency of the detected at least one Doppler pulse;
accumulating pulses of a clock, the clock having a frequency higher than the frequency of the detected at least one Doppler pulse;
outputting the accumulated pulses when the accumulated pulses reach a pre-determined threshold; and
repeating said accumulating pulses of the clock and outputting the accumulated pulses.
3. The method of claim 2 , further comprising prior to receiving the signal from the acoustic system, receiving a selection of the selected acoustic probe at the testing device.
4. The method of claim 3 , wherein receiving the selection of the selected acoustic probe comprises receiving probe specific data for the selected acoustic probe.
5. The method of claim 4 , wherein generating the echo pulse is based at least in part on the probe specific data.
6. The method of claim 5 , further comprising receiving user selected response parameters at the testing device.
7. The method of claim 6 , wherein generating the echo pulse is further based on the user selected response parameters.
8. A system for testing an acoustic system including a testing device, the testing device comprising:
an interface adapted to communicatively interface with a plurality of channels of the acoustic system;
a switch matrix communicatively coupled with the interface and adapted to select one of the plurality of channels and receive a signal from the acoustic system via the selected one of a plurality of channels, wherein the signal includes a pattern of pulses including Doppler pulses;
a pulse detection module communicatively coupled with the switch matrix and adapted to detect at least one Doppler pulse from the pattern of pulses of the signal; and
an echo pulse synthesizer communicatively coupled with the switch matrix and pulse detection module and adapted to respond to the signal from the acoustic system by generating an echo pulse based on the detected at least one Doppler pulse wherein the echo pulse is frequency shifted from the detected at least one Doppler pulse and mimics a response to the detected at least one Doppler pulse for a selected acoustic probe.
9. The system of claim 8 , wherein the echo pulse synthesizer comprises:
a clock having a frequency higher than a frequency of the detected at least one Doppler pulse; and
an accumulator adapted to accumulate pulses of the clock, output the accumulated pulses when the accumulated pulses reach a pre-determined threshold, and repeat said accumulating pulses of the clock and outputting the accumulated pulses.
10. The system of claim 9 , further comprising a host computer and wherein the testing device, prior to receiving the signal from the acoustic system, receives a selection of the selected acoustic probe at the testing device.
11. The system of claim 10 , wherein receiving the selection of the selected acoustic probe comprises receiving probe specific data for the selected acoustic probe.
12. The system of claim 11 , wherein generating the echo pulse is based at least in part on the probe specific data.
13. The system of claim 12 , wherein the testing device receives user selected response parameters from the host computer.
14. The system of claim 13 , wherein generating the echo pulse is further based on the user selected response parameters.
15. A nontransitory machine-readable medium having stored thereon a series of instructions which, when executed by a processor, cause the processor to test an acoustic system by:
receiving a signal from the acoustic system at a testing device coupled with the acoustic system via one of a plurality of channels between the acoustic system and the testing device, wherein the signal includes a pattern of pulses including Doppler pulses;
detecting at least one Doppler pulse from the pattern of pulses of the signal with the testing device; and
responding to the signal from the acoustic system by generating an echo pulse with the testing device based on the detected at least one Doppler pulse wherein the echo pulse is frequency shifted from the detected at least one Doppler pulse and mimics a response to the detected at least one Doppler pulse for a selected acoustic probe.
16. The nontransitory machine-readable medium of claim 15 , wherein generating the echo pulse comprises:
determining a frequency of the detected at least one Doppler pulse;
accumulating pulses of a clock, the clock having a frequency higher than the frequency of the detected at least one Doppler pulse;
outputting the accumulated pulses when the accumulated pulses reach a pre-determined threshold; and
repeating said accumulating pulses of the clock and outputting the accumulated pulses.
17. The nontransitory machine-readable medium of claim 16 , further comprising prior to receiving the signal from the acoustic system, receiving a selection of the selected acoustic probe at the testing device.
18. The nontransitory machine-readable medium of claim 17 , wherein receiving the selection of the selected acoustic probe comprises receiving probe specific data for the selected acoustic probe.
19. The nontransitory machine-readable medium of claim 18 , wherein generating the echo pulse is based at least in part on the probe specific data.
20. The nontransitory machine-readable medium of claim 19 , further comprising receiving user selected response parameters at the testing device.
21. The nontransitory machine-readable medium of claim 20 , wherein generating the echo pulse is further based on the user selected response parameters.