Method and apparatus for automatically configuring surround sound speaker systems

• US 20040071294A1
• Filed: 10/15/2002
• Published: 04/15/2004
• Est. Priority Date: 10/15/2002
• Status: Abandoned Application

• Current Assignee: General Instrument Corporation (CommScope Holding Company, Inc.)
• Original Assignee: General Instrument Corporation (CommScope Holding Company, Inc.)
• Inventors: Stone, Christopher J., Halgas, Joseph F. Jr.
• Application Number:
  US10/271,021
• Publication Number:
  US 20040071294A1
• Time in Patent Office: Days
• US Class Current: 381/59
• CPC Class Codes: H04B 5/00 Near-field transmission systems, e.g. inductive or capacitive transmission systems
• CPC Class Codes: H04B 5/77 for interrogation
• CPC Class Codes: H04S 7/301 Automatic calibration of stereophonic sound system, e.g. with test microphone
• CPC Class Codes: H04S 7/302 Electronic adaptation of stereophonic sound system to listener position or orientation H04S7/301 takes precedence
• CPC Class Codes: H04S 7/307 Frequency adjustment, e.g. tone control H04S7/301 takes precedence

Abstract

The present invention provides a method for automatically configuring a speaker system. The method includes the steps of placing a radio frequency identification (RFID) tag on a speaker of the above mentioned speaker system, placing a wireless communication device in a location representing the most likely location of the listener, determining the distance from the device location to the speaker using the RFID tag and said wireless communication device, and transmitting the determined distance from location representing the most likely location of the listener to the speaker to the speaker system controller.

Claims

1. A method for configuring a speaker system comprising:

placing a radio frequency identification (RFID) tag on a speaker of said speaker system;

placing a wireless communication device in a specified location;

determining the distance from said specified location to said speaker using said RFID tag and said wireless communication device; and

transmitting said determined distance from said specified location to said speaker to a controller of said speaker system.

2. A method for configuring a speaker system according to claim 1, wherein determining the distance from said specified location to said speaker comprises:

pinging a radio frequency (RF) spectrum with said wireless communication device at a frequency corresponding to a resonance frequency of said RFID tag;

receiving said RF signal in said RFID tag;

resonating a return signal from said RFID tag to said wireless communication device;

receiving said return signal from said RFID tag in said wireless communication device;

determining the time lapse between sending said frequency ping and receiving said return signal; and

determining the distance from said specified location to said speaker based upon said determined time lapse.

3. A method for configuring a speaker system according to claim 2, wherein said RFID tag comprises a passive RFID tag.

4. A method for configuring a speaker system according to claim 3, wherein said wireless communication device further comprises an RF networking card, a graphical user interface (GUI), and a microphone.

5. A method for configuring a speaker system according to claim 4, wherein said controller of said speaker system stores said determined distance in a configuration menu.

6. A method for configuring a speaker system according to claim 2, further comprising adjusting the volume of said speaker based on said determined distance.

7. A method for configuring a speaker system according to claim 6, wherein said speaker system comprises a surround sound speaker system.

8. A method for configuring a speaker system according to claim 7, further comprising:

placing an RFID tag on each speaker in said surround sound system;

determining the distance from said specified location to each speaker in said surround sound system using said RFID tags and said wireless communication device; and

adjusting the signal delay time of each of said speakers in said surround sound system to allow simultaneously produced signals to reach said specified location simultaneously.

9. A method for configuring a speaker system according to claim 8, wherein said determining the distance from said specified location to each speaker in said surround sound system using said RFID tags and said wireless communication device further comprises:

pinging said RF spectrum at first lowest resonating frequency of all of said RFID tags located on said speakers;

waiting for a predetermined period of time for a return signal from said RFID tag;

sequentially pinging resonating frequency of each of said RFID tags located on said speakers; and

waiting for said predetermined period of time for a return signal between each of said sequential pings.

10. A method for configuring a speaker system according to claim 8, wherein said configuration occurs automatically upon connection of said surround sound system to said speaker system controller.

11. A method for configuring a speaker system according to claim 8, wherein the volume of each of said speakers in said surround sound system is independently adjusted based upon said determined distance from said specified location to each speaker in said surround sound system.

12. A method for configuring a speaker system according to claim 11, further comprising performing a speaker tone adjustment test.

13. A method for configuring a speaker system according to claim 12, wherein said speaker tone adjustment test comprises:

sequentially emitting a test tone from each of said speakers;

measuring said test tone at said specified location using said wireless communication device;

computing appropriate volume offset for each of said speakers based on said test tone measurement; and

transmitting said volume offsets to said speaker system controller.

14. A method for configuring a speaker system according to claim 1, wherein said RFID tag comprises an active RFID tag.

15. A method for configuring a speaker system according to claim 14, wherein said determining the distance from said specified location to said speaker using said RFID tag and said wireless communication device comprises:

emitting a packet from said active RFID tag at a designated interval;

receiving said packet at said wireless communication device; and

calculating said distance from said specified location to said speaker using said received packet.

16. A method for determining the relative location of speakers in a surround sound system comprising:

placing an RFID tag on each speaker in said surround sound system;

placing a wireless communication device in a specified location;

sequentially pinging a RF spectrum with said wireless communication device at frequencies corresponding to resonance frequencies of said RFID tags;

sequentially receiving said RF signal in said RFID tags;

resonating a return signal from each of said RFID tags to said wireless communication device when frequency corresponding to resonance frequency of said RFID tag is received;

receiving said return signal from each of said RFID tags in said wireless communication device;

determining the time lapse between sending said frequency ping and receiving said return signal; and

calculating the distance from said specified location to said speakers based upon said determined time lapses.

17. A method for determining the relative location of speakers in a surround sound system according to claim 16, wherein said RF spectrum comprises the 2.4 GHz RF spectrum.

18. A method for determining the relative location of speakers in a surround sound system according to claim 17, further comprising:

adjusting the signal delay time of each of said speakers in said surround sound system based on said determined distance to allow simultaneously produced signals to reach said specified location simultaneously; and

independently adjusting the volume of each of said speakers in said surround sound system based on said determined distance.

19. A method for determining the relative location of speakers in a surround sound system according to claim 18, wherein said distance determination and said volume and delay time adjustments occur automatically upon receiving a single request by said wireless communication device in the controller of said surround sound speaker system.

21. An apparatus for automatically configuring a speaker system according to claim 18, wherein said plurality of speakers comprises a surround sound system.

22. An apparatus according to claim 21, wherein said wireless communication device further comprises:

a wireless personal computer (PC) card capable of communicating with both RFID tags and said system controller;

a microphone;

a graphical user interface (GUI); and

a data processor communicatively coupled to said wireless PC card, said microphone, and said GUI to analyze received data and to control said PC card.

23. An apparatus for automatically configuring a speaker system according to claim 22, wherein determining relative positions of speakers comprises:

pinging a radio frequency (RF) spectrum with said wireless communication device at a frequency corresponding to a resonance frequency of said RFID tag;

receiving said RF signal in said RFID tag;

resonating a return signal from said RFID tag to said wireless communication device;

receiving said return signal from said RFID tag in said wireless communication device;

determining the time lapse between sending said frequency ping and receiving said return signal; and

calculating the distance from said specified location to said speaker based upon said determined time lapse.

24. An apparatus for automatically configuring a speaker system according to claim 23, wherein said RFID tag comprises a passive RFID tag.

25. An apparatus for automatically configuring a speaker system according to claim 23, wherein said system controller adjusts speaker volume or signal delay time based on said distance calculation.

26. An apparatus for automatically configuring a speaker system according to claim 25, wherein said distance determination and said volume and delay time adjustments occur automatically upon receiving a single request by said wireless communication device in said controller of said surround sound speaker system.

27. An apparatus for automatically configuring a speaker system according to claim 25, wherein said controller performs a speaker tone adjustment test upon completion of said volume and signal delay time adjustments.

28. An apparatus for automatically configuring a speaker system according to claim 27, wherein said speaker tone adjustment test comprises:

sequentially emitting a test tone from each of said speakers;

measuring said test tone at a specified location using said wireless communication device;

computing appropriate volume offset for each of said speakers based on said test tone measurement; and

transmitting said volume offsets to said speaker system controller.

20. An apparatus for automatically configuring a speaker system comprising:

a system controller;

a plurality of speakers communicatively coupled to said system controller;

an RFID tag affixed to each of said speakers, wherein said RFID tag includes a resonating frequency; and

a wireless communication device communicatively coupled to said system controller and said RFID tags capable of determining relative positions of said speakers by both transmitting and receiving RF signals.

29. An apparatus for automatically configuring a speaker system comprising:

a controlling means for controlling said speaker system;

a speaker communicatively coupled to said controlling means;

an RF signal transponding means for receiving an RF signal and transponding said RF signal back to a source of said RF signal, said RF transponding means being substantially attached to said of speaker; and

a communications means for remotely communicating with said signal transponding means and said controlling means, wherein said communications means is capable of determining relative position of said speaker by both transmitting and receiving RF signals.

30. An apparatus for automatically configuring a speaker system according to claim 29, wherein said RF signal transponding means comprises an RFID tag.

31. An apparatus for automatically configuring a speaker system according to claim 30, wherein said RFID tag further comprises a passive RFID tag.

32. An apparatus for automatically configuring a speaker system according to claim 29, wherein said communications means further comprises an RF networking card, a graphical user interface (GUI), and a microphone.

33. An apparatus for automatically configuring a speaker system according to claim 32, wherein determining relative position of said speaker comprises:

pinging a radio frequency (RF) spectrum with said communications means at a frequency corresponding to a resonance frequency of said RFID tag;

receiving said RF signal in said RFID tag;

resonating a return signal from said RFID tag to said communications means;

receiving said return signal from said RFID tag in said communication means;

determining the time lapse between sending said frequency ping and receiving said return signal; and

calculating the distance from said communication means to said speaker based upon said determined time lapse.

34. An apparatus for automatically configuring a speaker system according to claim 33, wherein said automatic configuration further comprises:

transmitting said calculated distance from said communication means to said controlling means;

and adjusting said speaker volume and said signal delay time based upon said calculated distance.

35. An apparatus for automatically configuring a speaker system containing firmware stored in a memory unit, which when executed causes said device to:

ping a radio frequency (RF) spectrum at a frequency corresponding to a resonance frequency of a RFID tag located on a speaker of said speaker system using a wireless communication device;

receive said RF signal in said RFID tag;

resonate a return signal from said RFID tag to said wireless communication device;

receive said return signal from said RFID tag in said wireless communication device;

determine the time lapse between sending said frequency ping and receiving said return signal; and

calculate the distance from said specified location to said speaker based upon said determined time lapse.