Personal Sound System Including Multi-Mode Ear Level Module with Priority Logic

• US 20070255435A1
• Filed: 03/28/2006
• Published: 11/01/2007
• Est. Priority Date: 03/28/2005
• Status: Active Grant

• Current Assignee: K/S HIMPP
• Original Assignee: Sound Id
• Inventors: Muesch, Hannes, Cohen, Ephram, Shamsoddini, Amad, Pavlovic, Caslav, Shah, Chirag, Michael, Nicholas
• Granted Patent: US 8,041,062 B2
• Time in Patent Office: Days
• US Class Current: 700/94
• CPC Class Codes: H04R 1/1016 Earpieces of the intra-aural type
• CPC Class Codes: H04R 2205/041 Adaptation of stereophonic signal reproduction for the hearing impaired
• CPC Class Codes: H04R 2410/01 Noise reduction using microphones having different directional characteristics
• CPC Class Codes: H04R 2420/07 Applications of wireless loudspeakers or wireless microphones
• CPC Class Codes: H04R 2460/03 Aspects of the reduction of energy consumption in hearing devices
• CPC Class Codes: H04R 25/505 using digital signal processing
• CPC Class Codes: H04R 25/70 Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting

Abstract

A personal sound system is described that includes a wireless network supporting an ear-level module, a companion module and a phone. Other audio sources are supported as well. A configuration processor configures the ear-level module and the companion module for private communications, and configures the ear-level module for a plurality of signal processing modes, including a hearing aid mode, for a corresponding plurality of sources of audio data. The ear module is configured to handle variant audio sources, and control switching among them.

Claims

1. A personal communication device comprising:

an ear-level module including a radio including a transmitter and a receiver which transmits and receives communication signals encoding audio data, an audio transducer;

one or more microphones, a user input and control circuitry;

wherein the control circuitry includes

logic for communication using the radio with a plurality of sources of audio data, memory storing a set of variables for processing audio data;

logic operable in a plurality of signal processing modes, including a first signal processing mode for processing sound picked up by one of the one or more microphones using a first subset of said set of variables and playing the processed sound on the audio transducer, a second signal processing mode for processing audio data from a corresponding audio source received using the radio using a second subset of said set of variables, and playing the processed audio data on the audio transducer, a third signal processing mode for processing audio data from another corresponding audio source received using the radio using a third subset of said set of variables, and playing the processed audio data on the audio transducer; and

logic to control switching among the first, second and third signal processing modes according to predetermined priority in response to user input and in response to signals from the plurality of sources of audio data.

2. The device of claim 1, wherein said logic to control switching causes the control circuitry to operate in the first signal processing mode by default, causes switching to the second signal processing mode from the first signal processing mode in response to a request from the corresponding audio source, and causes switching from the second signal processing mode to the third signal processing mode in response to a request from the other corresponding audio source.

3. The device of claim 1, including audio data in the memory, and logic to deliver audio data to from the memory to the audio transducer in response to a request received on the radio from one of the plurality of audio sources.

4. The device of claim 1, including audio data in the memory, and logic to deliver audio data for an indicator sound from the memory to the audio transducer in response to a request received on the radio from one of the plurality of audio sources, and wherein said logic to control switching causes the control circuitry to operate in the first signal processing mode by default, and in response to a request from the corresponding audio source, said logic causes the indicator sound to be played on the audio transducer, and waits for an input signal from the user input, and in response to the input signal causes switching to the second signal processing mode from the first signal processing mode.

5. The device of claim 1, wherein said third signal processing mode processes audio data from a telephone, and includes processing sound picked up by the one or more microphones to produce audio data from the one or more microphones, and transmitting audio data from the one or more microphones to the telephone using the radio.

6. The device of claim 1, wherein said logic for processing audio data includes resources for executing a plurality of variant signal processing algorithms, and said first subset of variables includes indicators to enable a first subset of said plurality of variant signal processing algorithms and said second subset of variables includes indicators to enable a second subset of said plurality of variant signal processing algorithms.

7. The device of claim 1, wherein said logic for processing audio data includes resources for executing a particular processing algorithm which is responsive to parameters, and said first subset of variables includes a first parameter for the particular processing algorithm, and said second subset of variables includes a second parameter for the particular processing algorithm, and wherein the first and second parameters are different.

8. The device of claim 1, wherein said one or more microphones includes an omni-directional microphone.

9. The device of claim 1, wherein said one or more microphones includes an omni-directional microphone, and a directional microphone, adapted to pick up speech by a person wearing the ear-level module.

10. The device of claim 1, wherein the control circuitry includes logic using said radio for obtaining at least one variable from said set of variables from a remote source.

11. The device of claim 1, wherein said logic for maintaining communication using the radio with a plurality of sources of audio data includes a protocol driver for a wireless network linking the plurality of sources of audio data with the ear-level module.

12. The device of claim 11, wherein said wireless network is compatible with a standard Bluetooth network.

13. The device of claim 12, wherein said wireless network comprises a connection oriented network.

14. The device of claim 1, wherein said set of variables includes parameters for a point-to-point communication channel linking the ear-level module with at least one of the plurality of sources of audio signals.

15. The device of claim 1, including a user input device on the ear-level module adapted to provide control signals to the control circuitry.

16. The device of claim 1, wherein said set of variables includes at least one variable based on a hearing profile of a user.

17. The device of claim 1, wherein said set of variables includes at least one variable based on user preference related to hearing.

18. The device of claim 1, wherein said set of variables includes at least one variable based on characteristics of audio sources in the plurality of audio sources.

19-51. -51. (canceled)

52. A method of operating a personal communication device which comprises an ear-level module including a radio including a transmitter and a receiver which transmits and receives communication signals encoding audio data, an audio transducer;

one or more microphones, a user input and control circuitry including logic for communication using the radio with a plurality of sources of audio data, memory storing a set of variables for processing audio data;

the method comprising;

operating in a plurality of signal processing modes, including a first signal processing mode for processing sound picked up by one of the one or more microphones using a first subset of said set of variables and playing the processed sound on the audio transducer, a second signal processing mode for processing audio data from a corresponding audio source received using the radio using a second subset of said set of variables, and playing the processed audio data on the audio transducer, a third signal processing mode for processing audio data from another corresponding audio source received using the radio using a third subset of said set of variables, and playing the processed audio data on the audio transducer; and

switching among the first, second and third signal processing modes according to predetermined priority in response to user input and in response to signals from the plurality of sources of audio data.

53. The method of claim 52, including operating in the first signal processing mode by default, switching to the second signal processing mode from the first signal processing mode in response to a request from the corresponding audio source, and switching from the second signal processing mode to the third signal processing mode in response to a request from the other corresponding audio source.

54. The method of claim 52, including delivering audio data to from the memory to the audio transducer in response to a request received on the radio from one of the plurality of audio sources.

55. The method of claim 52, including delivering audio data for an indicator sound from the memory to the audio transducer in response to a request received on the radio from one of the plurality of audio sources, and operating in the first signal processing mode by default, and in response to a request from the corresponding audio source, said causing the indicator sound to be played on the audio transducer, and waiting for an input signal from the user input, and in response to the input signal, switching to the second signal processing mode from the first signal processing mode.

56. The method of claim 52, wherein said third signal processing mode processes audio data from a telephone, and including processing sound picked up by the one or more microphones to produce audio data from the one or more microphones, and transmitting audio data from the one or more microphones to the telephone using the radio.

57. The method of claim 52, wherein including executing a plurality of variant signal processing algorithms, and said first subset of variables includes indicators to enable a first subset of said plurality of variant signal processing algorithms and said second subset of variables includes indicators to enable a second subset of said plurality of variant signal processing algorithms.

58. The method of claim 52, including executing a particular processing algorithm which is responsive to parameters, and said first subset of variables includes a first parameter for the particular processing algorithm, and said second subset of variables includes a second parameter for the particular processing algorithm, and wherein the first and second parameters are different.

59. The method of claim 52, including using said radio for obtaining at least one variable from said set of variables from a remote source.

60. The method of claim 52, including maintaining communication using the radio with a plurality of sources of audio data includes a protocol driver for a wireless network linking the plurality of sources of audio data with the ear-level module.

61. The method of claim 60, wherein said wireless network is compatible with a standard Bluetooth network.

62. The method of claim 60, wherein said wireless network comprises a connection oriented network.

63. The method of claim 52, wherein said set of variables includes parameters for a point-to-point communication channel linking the ear-level module with at least one of the plurality of sources of audio signals.

64. The method of claim 52, wherein said set of variables includes at least one variable based on a hearing profile of a user.

65. The method of claim 52, wherein said set of variables includes at least one variable based on user preference related to hearing.

66. The method of claim 52, wherein said set of variables includes at least one variable based on characteristics of audio sources in the plurality of audio sources.

67. A personal communication device comprising:

an ear-level module including a radio including a transmitter and a receiver which transmits and receives communication signals encoding audio data, an audio transducer;

one or more microphones, and an user input;

means for operating in a plurality of signal processing modes, including a first signal processing mode for processing sound picked up by one of the one or more microphones using a first subset of said set of variables and playing the processed sound on the audio transducer, a second signal processing mode for processing audio data from a corresponding audio source received using the radio using a second subset of said set of variables, and playing the processed audio data on the audio transducer, a third signal processing mode for processing audio data from another corresponding audio source received using the radio using a third subset of said set of variables, and playing the processed audio data on the audio transducer; and

means for switching among the first, second and third signal processing modes according to predetermined priority in response to user input and in response to signals from the plurality of sources of audio data.