Laser measurements for loudspeaker vibration reduction
One example process includes playing, via one or more loudspeakers, one or more audio frequencies at a particular sound pressure level, measuring, via a sensor, a displacement of a laser beam being emitted from a laser source through a slot of a soundbar housing the one or more loudspeakers during the playing, and determining, via a processor, one or more characteristic coefficients of a grommet based on the displacement.
1. A method comprising
playing, via one or more loudspeakers, one or more audio frequencies at a particular sound pressure level;
measuring, via a sensor, a displacement of a laser beam being emitted from a laser source through a slot of a soundbar housing the one or more loudspeakers during the playing; and
determining, via a processor, one or more characteristic coefficients of a grommet based on the displacement.
2. The method of claim 1 , wherein the measuring is performed at a plurality of slots of the soundbar.
3. The method of claim 1 , wherein the characteristic coefficients comprise one or more of a density coefficient and a dampening coefficient.
4. The method of claim 1 , wherein the displacement of the laser beam is measured by a triangulation measurement measured by a sensor associated with the laser source.
5. The method of claim 1 , wherein the playing, via the one or more loudspeakers, of the one or more audio frequencies at a particular sound pressure level comprises playing a plurality of frequencies, one at a time, for a period of time.
6. The method of claim 1 , wherein the playing, via the one or more loudspeakers, of the one or more audio frequencies at a particular sound pressure level comprises playing a plurality of frequencies, one at a time, for a period of time at varying sound pressure levels.
7. The method of claim 1 , comprising selecting, via the processor, a density coefficient and a dampening coefficient required by the grommet.
8. An apparatus comprising
a processor configured to play, via one or more loudspeakers, one or more audio frequencies at a particular sound pressure level;
a sensor configured to measure a displacement of a laser beam being emitted from a laser source through a slot of a soundbar housing the one or more loudspeakers during the playing; and
wherein the processor is configured to determine one or more characteristic coefficients of a grommet based on the displacement.
9. The apparatus of claim 8 , wherein the measurement is performed at a plurality of slots of the soundbar.
10. The apparatus of claim 8 , wherein the characteristic coefficients comprise one or more of a density coefficient and a dampening coefficient.
11. The apparatus of claim 8 , wherein the displacement of the laser beam is measured by a triangulation measurement measured by the sensor associated with the laser source.
12. The apparatus of claim 8 , wherein the processor being configured to play, via the one or more loudspeakers, of the one or more audio frequencies at a particular sound pressure level comprises the processor being configured to play a plurality of frequencies, one at a time, for a period of time.
13. The apparatus of claim 8 , wherein the processor being configured to play, via the one or more loudspeakers, of the one or more audio frequencies at a particular sound pressure level comprises the processor being configured to play a plurality of frequencies, one at a time, for a period of time at varying sound pressure levels.
14. The apparatus of claim 8 , wherein the processor selects a density coefficient and a dampening coefficient required by the grommet.
15. A non-transitory computer readable storage medium configured to store instructions that when executed cause a processor to perform:
playing, via one or more loudspeakers, one or more audio frequencies at a particular sound pressure level;
measuring, via a sensor, a displacement of a laser beam being emitted from a laser source through a slot of a soundbar housing the one or more loudspeakers during the playing; and
determining, via a processor, one or more characteristic coefficients of a grommet based on the displacement.
16. The non-transitory computer readable storage medium of claim 15 , wherein the measuring is performed at a plurality of slots of the soundbar.
17. The non-transitory computer readable storage medium of claim 15 , wherein the characteristic coefficients comprise one or more of density coefficient and a dampening coefficient.
18. The non-transitory computer readable storage medium of claim 15 , wherein the displacement of the laser beam is measured by a triangulation measurement measured by a sensor associated with the laser source.
19. The non-transitory computer readable storage medium of claim 15 , wherein the playing, via the one or more loudspeakers, of the one or more audio frequencies at a particular sound pressure level comprises playing a plurality of frequencies, one at a time, for a period of time.
20. The non-transitory computer readable storage medium of claim 15 , wherein the playing, via the one or more loudspeakers, of the one or more audio frequencies at a particular sound pressure level comprises playing a plurality of frequencies, one at a time, for a period of time at varying sound pressure levels.