Headset and headphone

• US 10,141,494 B2
• Filed: 07/16/2010
• Issued: 11/27/2018
• Est. Priority Date: 07/17/2009
• Status: Active Grant

• Current Assignee: Sennheiser Electronic GmbH & Company KG
• Original Assignee: Sennheiser Electronic GmbH & Company KG
• Inventors: Kuhtz, Jan Peter, Streitenberger, Martin, Grandt, Andre, Schulze, Elmar, Foudhaili, Hatem
• Primary Examiner(s): Patel, Yogeshkumar
• Application Number:
  US13/384,027
• Publication Number:
  US 20120140941A1
• Time in Patent Office: 3,056 Days
• Field of Search: 381 717, 381 718, 381 711, 381 716, 381 91, 381 92, 381122, 381384, 704E21004, 704E11003, 359630
• CPC Class Codes: B01J 15/005 in the presence of catalytically active bodies, e.g. porous plates
• CPC Class Codes: B01J 19/285 Shaking or vibrating reactors; reactions under the influence of low-frequency vibrations or pulsations for sonic and ultrasonic vibrations B01J19/10
• CPC Class Codes: B01J 2219/0009 Coils
• CPC Class Codes: B01J 2219/00135 Electric resistance heaters
• CPC Class Codes: C01B 35/023 Boron
• CPC Class Codes: G10K 11/1785 Methods, e.g. algorithms; Devices G10K11/1781, G10K11/1783 take precedence
• CPC Class Codes: G10K 11/17873 using a reference signal without an error signal, e.g. pure feedforward
• CPC Class Codes: G10K 11/17885 additionally using a desired external signal, e.g. pass-through audio such as music or speech
• CPC Class Codes: G10K 2210/1081 Earphones, e.g. for telephones, ear protectors or headsets
• CPC Class Codes: H04R 1/1083 Reduction of ambient noise active noise reduction per se G10K11/175; protective devices for the ear, e.g. providing acoustic protection A61F11/06
• CPC Class Codes: H04R 2420/09 Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones
• CPC Class Codes: H10N 60/0856 of devices comprising metal borides, e.g. MgB2

Abstract

There is provided a headset having at least one microphone for detecting ambient noises, at least one electroacoustic reproduction transducer and a control unit for controlling the headset. The headset also has a digital active noise reduction unit for performing digital active noise reduction based on the ambient noises recorded by the microphone. The headset further has a data interface for receiving data and/or parameters for the headset and for outputting data and/or parameters stored in the headset.

Claims

1. A headset comprising:

at least one microphone configured to detect ambient noises;

at least one electroacoustic reproduction transducer configured to output an audio signal to be reproduced;

a control unit configured to control the headset;

a digital active noise reduction unit having an adjustable functionality and having a digital hardware; and

a data interface configured to;

couple the headset, via a bi-directional data communication, with an external media player; and

receive at least one functionality adjustment for the digital active noise reduction unit from a user via the external media player, wherein the functionality adjustment comprises adjustable parameters of the digital active noise reduction unit;

wherein the control unit is connected with the digital active noise reduction unit and the data interface;

wherein the control unit is further configured to adjust the functionality of the digital active noise reduction unit according to the received functionality adjustment, the control unit selecting a mode of digital active noise reduction of the digital active noise reduction unit according to the received functionality adjustment;

wherein the digital active noise reduction unit is configured to perform active noise reduction based at least on the ambient noises recorded by the microphone and the received functionality adjustment.

2. The headset as set forth in claim 1;

wherein the data interface is adapted to update a firmware of the digital active noise reduction unit.

3. The headset as set forth in claim 1, further comprising:

a wireless data interface configured to transmit and receive audio data and configuration parameters from or for the headset.

5. The headset as set forth in claim 2, further comprising:

a wireless data interface configured to transmit and receive audio data and configuration parameters from or for the headset.

6. The headset as set forth in claim 1, further comprising:

a multiplexer unit configured to;

forward audio signals to the control unit; and

forward data signals to the data interface.

7. The headset as set forth in claim 1;

wherein the adjustable parameters include at least one of a compensation factor, right/left balance, and a customer-specific hearing curve.

8. The headset as set forth in claim 1;

wherein the adjustable parameters enable a personalized adjustment of the headset.

9. The headset as set forth in claim 1;

when the power supplied for the digital active noise reduction unit is not available, the control unit deactivates the digital noise reduction unit, but enables the reproduction of audio signals by the at least one electroacoustic reproduction transducer.

10. A system comprising:

the headset as set forth in claim 1; and

the external media player,

wherein the external media player comprises a parameter adjustment unit configured to adjust parameters of the digital active noise reduction unit according to a user input.

11. A system comprising:

the headset as set forth in claim 6; and

the external media player,

wherein the external media player comprises a parameter adjustment unit configured to adjust parameters of the digital active noise reduction unit according to a user input.

12. A system comprising:

the headset as set forth in claim 7; and

the external media player,

wherein the external media player comprises a parameter adjustment unit configured to adjust parameters of the digital active noise reduction unit according to a user input.

13. A system comprising:

the headset as set forth in claim 8; and

the external media player,

wherein the external media player comprises a parameter adjustment unit configured to adjust parameters of the digital active noise reduction unit according to a user input.

14. A system comprising:

the headset as set forth in claim 9; and

the external media player,

wherein the external media player comprises a parameter adjustment unit configured to adjust parameters of the digital active noise reduction unit according to a user input.

16. The headset as set forth in claim 1;

wherein the data interface is further configured to;

output data and/or parameters stored in the headset.

19. The headset as set forth in claim 1;

wherein the at least one functionality adjustment comprises controlling an adaption of the digital active noise reduction.

20. The headset as set forth in claim 1;

wherein the at least one functionality adjustment comprises storing a profile of the digital active noise reduction.

4. An earphone comprising:

at least one microphone configured to detect ambient noises;

at least one electroacoustic reproduction transducer configured to output an audio signal to be reproduced;

a control unit configured to control the earphone;

a digital active noise reduction unit having an adjustable functionality and having a digital hardware; and

a data interface configured to;

couple the earphone, via a bi-directional data communication, with an external media player; and

receive at least one functionality adjustment for the digital active noise reduction unit from a user via the external media player, wherein the functionality adjustment comprises adjustable parameters of the digital active noise reduction unit;

wherein the control unit is connected with the digital active noise reduction unit and the data interface;

wherein the control unit is further configured to adjust the functionality of the digital active noise reduction unit according to the received functionality adjustment, the control unit selecting a mode of digital active noise reduction of the digital active noise reduction unit according to the received functionality adjustment; and

wherein the digital active noise reduction unit is configured to perform active noise reduction based at least on the ambient noises recorded by the microphone and the received functionality adjustment.

15. A system comprising:

the earphone as set forth in claim 4; and

the external media player,

wherein the external media player comprises a parameter adjustment unit configured to adjust parameters of the digital active noise reduction unit according to a user input.

17. The earphone as set forth in claim 4;

wherein the data interface is further configured to;

output data and/or parameters stored in the earphone.

18. The earphone as set forth in claim 4;

wherein the adjustable parameters comprise at least one of a compensation factor, left/right balance, and a customer-specific hearing curve.

21. The earphone as set forth in claim 4;

wherein the at least one functionality adjustment comprises controlling an adaption of noise reduction.

22. The earphone as set forth in claim 4;

wherein the at least one functionality adjustment comprises storing a profile of the digital active noise reduction.

23. A headset comprising:

a microphone configured to detect ambient noises;

an electroacoustic reproduction transducer configured to output an audio signal to be reproduced;

a control unit configured to control the headset;

a digital active noise reduction unit having adjustable parameters and an adjustable functionality and having a digital hardware; and

a data interface configured to;

couple the headset, via a bi-directional data communication, with an external media player; and

receive at least one functionality adjustment selected from the group consisting of selecting a mode, controlling an adaption of noise reduction, storing a profile, and combinations thereof for the headset from the external media player, wherein the functionality adjustment comprises adjustable parameters of the digital active noise reduction unit; and

wherein the control unit is connected with the digital active noise reduction unit and the data interface;

wherein the control unit is further configured to adjust the functionality of the digital active noise reduction unit according to the received functionality adjustment, the control unit selecting a mode of digital active noise reduction of the digital active noise reduction unit according to the received functionality adjustment; and

wherein the digital active noise reduction unit is configured to perform active noise reduction based at least on the ambient noises recorded by the microphone and the received functionality adjustment, and to be deactivated if the power supplied for the digital active noise reduction unit is not available.

24. An earphone comprising:

a microphone configured to detect ambient noises;

an electroacoustic reproduction transducer configured to output an audio signal to be reproduced;

a control unit configured to control the earphone;

a digital active noise reduction unit having adjustable parameters and an adjustable functionality and having a digital hardware; and

a data interface configured to;

couple the earphone, via a bi-directional data communication, with an external media player; and

receive at least one functionality adjustment from the external medial player, wherein the functionality adjustment comprises adjustable parameters of the digital active noise reduction unit and is selected from the group consisting of selecting a mode, controlling an adaption of noise reduction, storing a profile, and combinations thereof;

wherein the control unit is connected with the digital active noise reduction unit and the data interface;

wherein the control unit is further configured to adjust the functionality of the digital active noise reduction unit to the received functionality adjustment, the control unit selecting a mode of digital active noise reduction of the digital active noise reduction unit according to the received functionality adjustment; and

wherein the digital active noise reduction unit is configured to perform active noise reduction based at least on the ambient noises recorded by the microphone and the received functionality adjustment, and to be deactivated if the power supplied for the digital active noise reduction unit is not available.

25. A method for modifying at least one functionality of a headset or earphone, the headset or earphone comprising at least one sound transducer, at least one digital active noise reduction unit having a digital hardware, and a data interface, the method comprising steps of:

the sound transducer reproducing sound according to audio data provided by an external appliance via the data interface, wherein the digital active noise reduction unit reduces ambient noise by using a first noise cancelling method having a first noise cancelling mode;

the data interface receiving configuration adjustment data from said external appliance, wherein the configuration adjustment data comprises adjustable parameters of the digital active noise reduction unit;

a control unit connecting with the digital active noise reduction unit and the data interface and applying the configuration adjustment data to the digital active noise reduction unit, wherein the functionality of the digital active noise reduction unit is adjusted according to the received functionality adjustment; and

the sound transducer reproducing sound provided by said external appliance via the data interface, wherein the digital active noise reduction unit reduces ambient noise by using a second noise cancelling method having a second noise cancelling mode that is different from the first noise cancelling mode.

26. The method as set forth in claim 25,

wherein the headset or earphone further comprises at least one microphone configured to detect ambient noise, and

wherein the digital active noise reduction unit uses the detected ambient noise in reducing the ambient noise from the reproduced sound.

27. The method as set forth in claim 25,

wherein the configuration adjustment data from said external appliance are initiated by a user of the external appliance.

28. The method as set forth in claim 25, further comprising:

storing the received configuration adjustment data in the headset or earphone.