ERROR CORRECTION SCHEME IN A HEARING SYSTEM WIRELESS NETWORK

• US 20120311409A1
• Filed: 08/17/2012
• Published: 12/06/2012
• Est. Priority Date: 12/22/2008
• Status: Abandoned Application

• Current Assignee: GN Hearing A/S (GN Store Nord A/S)
• Original Assignee: GN Resound A/S (GN Store Nord A/S)
• Inventors: PEDERSEN, Brian Dam
• Application Number:
  US13/588,875
• Publication Number:
  US 20120311409A1
• Time in Patent Office: Days
• US Class Current: 714/776
• CPC Class Codes: H04L 1/004 by using forward error control H04L1/0618 takes precedence; coding, decoding or code conversion, for error detection or correction H03M13/00
• CPC Class Codes: H04L 1/008 where the control data relates to payload of a different packet
• CPC Class Codes: H04R 2225/55 Communication between hearing aids and external devices via a network for data exchange
• CPC Class Codes: H04R 25/552 Binaural
• CPC Class Codes: H04R 25/554 using a wireless connection, e.g. between microphone and amplifier or using Tcoils
• CPC Class Codes: H04R 25/558 Remote control, e.g. of amplification, frequency
• CPC Class Codes: H04R 25/70 Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting

Abstract

A method of wireless data communication between a hearing instrument and another device, includes receiving N data packages A₁, A₂, . . . , A_N, wherein the N data packages are obtained by dividing a data package D, receiving data package C, wherein the data package C is formed as a function of A₁, A₂, . . . , A_N in accordance with a relationship C=(A₁, A₂, . . . , A_N), performing error detection, and recovering A_E, one of the data packages A₁, A₂, . . . , A_N that contains an error, in accordance with a relationship A_E=(A₁, A₂, . . . , C, . . . , A_N), in which A₁, A₂, . . . , C, . . . , A_N indicates that the data package C is used in place of A_E in a list of arguments for the function .

Claims

1-22. -22. (canceled)

23. A method of data communication between a hearing instrument and another device, comprising:

forming a data correction package C as a function of at least some of a plurality of data packages A₁, A₂, . . . , A_N; and

transmitting the data correction package C;

wherein the act of transmitting the data correction package C is performed by the other device regardless of whether the hearing instrument detects an error; and

wherein the data correction package C is for recovering A_E, one of the data packages A₁, A₂, . . . , A_N that contains the error.

24. The method of claim 23, wherein the data correction package C is formed in accordance with a relationship C=(A₁, A₂, . . . , A_N);

and

wherein the data package C is formed to recover A_E in accordance with a relationship A_E=(A₁, A₂, . . . , C, . . . , A_N), in which A₁, A₂, . . . , C, . . . , A_N indicates that the data correction package C is used in place of A_E in a list of arguments for the function .

25. The method of claim 24, wherein the function and the function are identical.

26. The method of claim 25, wherein the function is an exclusive-or function so that

C=A₁ ⊕

A₂ ⊕

. . . ⊕

A_N

and

A_E=A₁ ⊕

A₂ ⊕

. . . ⊕

C ⊕

. . . ⊕

A_N.

27. The method of claim 26, wherein N is equal to 2 so that

C=A₁ ⊕

A₂

and

A₁=C ⊕

A₂ and A₂=A₁ ⊕

C.

28. The method of claim 23, further comprising transmitting the data packages A₁, A₂, . . . , A_N from the other device to the hearing instrument.

29. The method of claim 28, wherein at least some of the packages A_i, C are wirelessly transmitted in respective different frequency channels.

30. The method of claim 23, wherein the error is due to noise in a communication channel.

31. The method of claim 23, wherein the data correction package C is received by the hearing instrument in response to a detection of the error by the hearing instrument.

32. A method of data communication between a hearing instrument and another device, comprising:

receiving N data packages A₁, A₂, . . . , A_N;

performing error detection;

receiving data correction package C, wherein the data correction package C is formed as a function of at least some of the N data packages A₁, A₂, . . . , A_N; and

recovering A_E, one of the data packages A₁, A₂, . . . , A_N that contains an error based on the data correction package C;

wherein the act of receiving the data correction package C is performed in response to a detection of the error;

wherein both the act of receiving the data correction package C and the act of performing the error detection are performed by the hearing instrument; and

wherein the data correction package C is received from the other device.

33. The method of claim 32, wherein the data correction package C is formed in accordance with a relationship C=(A₁, A₂, . . . , A_N);

and

wherein A_E is recovered in accordance with a relationship A_E=(A₁, A₂, . . . , C, . . . , A_N), in which A₁, A₂, . . . , C, . . . , A_N indicates that the data package C is used in place of A_E in a list of arguments for the function .

34. The method of claim 33, wherein the function and the function are identical.

35. The method of claim 34, wherein the function is an exclusive-or function so that

C=A₁ ⊕

A₂ ⊕

. . . ⊕

A_N

and

A_E=A₁ ⊕

A₂ ⊕

. . . ⊕

C ⊕

. . . ⊕

A_N.

36. The method of claim 35, wherein N is equal to 2 so that

C=A₁ ⊕

A₂

and

A₁=C ⊕

A₂ and A₂=A₁ ⊕

C.

37. The method of claim 32, wherein at least some of the packages A_i, C are received wirelessly in respective different frequency channels.

38. The method of claim 32, wherein the error is due to noise in a communication channel.

39. The method of claim 32, wherein the error detection is performed on each of the N data packages.

40. The method of claim 32, wherein the act of receiving the data correction package C in response to the detection of the error provides power saving for the hearing instrument that receives the data correction package C.

41. The method of claim 32, wherein the other device is carried by a user of the hearing instrument, and the hearing instrument and the other device are configured to communicate with each other through a Bluetooth network.

42. A device, comprising:

a processing unit configured to form a data correction package as a function of a plurality of data packages; and

a communication device configured to transmit the data correction package for reception by a hearing instrument regardless of whether the hearing instrument detects an error;

wherein the data correction package is for recovering one of the data packages that contains the error.

43. The device of claim 42, wherein the communication device comprises a Bluetooth device.

44. The device of claim 42, wherein the error is due to noise in a communication channel.

45. The device of claim 42, wherein the communication device is also configured to transmit the plurality of data packages for reception by the hearing instrument.

46. The device of claim 45, wherein at least some of the plurality of packages and the data correction package are wirelessly transmitted in different respective frequency channels.

47. The device of claim 42, wherein the processing unit and the communication device are parts of another hearing instrument that is in communication with the hearing instrument.

48. A hearing system comprising the device of claim 47, and the hearing instrument.

49. The hearing system of claim 48, wherein the hearing instrument is configured to receive the data correction package in response to a detection of the error by the hearing instrument.

50. The hearing system of claim 48, wherein the hearing instrument comprises a first hearing aid, and the other hearing instrument comprises a second hearing aid.

51. The hearing system of claim 48, wherein the hearing instrument comprises a controller configured to control a receiver in the hearing instrument to receive the data correction package to provide power saving for the hearing instrument.

52. A hearing instrument, comprising:

a receiver for receiving a plurality of data packages; and

a controller that controls the receiver to receive a data correction package transmitted by a device, wherein the controller is configured to control the receiver to receive the data correction package in response to a detection of an error by the hearing instrument, the controller being a part of the hearing instrument;

wherein the data correction package is based at least on some of the data packages, and is for recovering one of the data packages that contains the error.

53. A hearing system comprising the hearing instrument of claim 52, and the device, wherein the device comprises an additional hearing instrument.

54. The hearing system of claim 53, wherein the device is configured to transmit the data correction package regardless of whether the hearing instrument detects the error.

55. The hearing system of claim 53, wherein the hearing instrument comprises a first hearing aid, and the additional hearing instrument comprises a second hearing aid.

56. The hearing instrument of claim 52, wherein the receiver is configured to receive the data correction package through a Bluetooth network.

57. The hearing instrument of claim 52, wherein the receiver is configured to receive the plurality of data packages and the data correction package in respective different frequency channels.

58. The hearing instrument of claim 52, wherein the error is due to noise in a communication channel.

59. The hearing instrument of claim 52, wherein the controller is configured to control the receiver to receive the data correction package to provide power saving for the hearing instrument.