Integrated personal amplifier system with howling control
AssigneeBitwave Pte Ltd.
InventorsSiew Kok Hui, Lei Tu
Life of this patent
Estimating the term…
Abstract
With regards to a hearing assistive device, a user's speech can be picked up by the microphone and feed through the speaker causing an acoustic feedback effect. The user may have to constantly adjust the volume of the hearing assistive device to achieve a more comfortable volume based on where the speech is coming from. Furthermore, the when the hearing assistive device experiences feedback, the amplification of the feedback can cause damage to the user's hearing. Therefore, mitigating the acoustic feedback effect of assistive hearing devices can generate a more efficient and comfortable hearing device. The acoustic feedback can be mitigated by leveraging a dynamic range controller and a howling detector which comprises a user interface and a status indicator.
Claims20
A method, comprising:
- receiving, by a device comprising a processor, first acoustic signal data related to a first acoustic signal;
- filtering, by the device, the first acoustic signal into a number of frequency bands;
- amplifying, by the device, by the number of frequency bands, the first acoustic signal, resulting in an amplified signal;
- constraining, by the device, the amplified signal, resulting in a constrained amplified signal;
- detecting, by the device, acoustic feedback signal data associated with an acoustic feedback signal;
- in response to detecting the acoustic feedback signal data, generating, by the device, warning signal data associated with a warning of acoustic feedback associated with the acoustic feedback signal;
- and
- outputting, by the device, a second acoustic signal in accordance with the constrained amplified signal.
A system, comprising:
- a processor;
- and
- a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:
- receiving first acoustic signal data related to a first acoustic signal;
- filtering the first acoustic signal into a number of frequency bands;
- amplifying, by the number, the first acoustic signal, resulting in an amplified signal;
- constraining the amplified signal, resulting in a constrained amplified signal;
- detecting acoustic feedback signal data associated with an acoustic feedback signal from the first acoustic signal data;
- in response to the detecting the acoustic feedback signal data, outputting a second acoustic signal in accordance with the constrained amplified signal;
- estimating a probability associated with an occurrence of the acoustic feedback signal;
- and
- in response to the estimating, generating user notification data, and wherein the user notification data is associated with a warning of acoustic feedback associated with the acoustic feedback signal.
A non-transitory computer readable medium having executable instructions stored thereon that, in response to execution, cause a system comprising a processor to perform operations, comprising:
- filtering a first acoustic signal into a number of frequency bands;
- based on the number of the frequency bands, amplifying the first acoustic signal, resulting in an amplified signal;
- constraining the amplified signal, resulting in a constrained amplified signal;
- in response to the constrained amplified signal, detecting acoustic feedback signal data associated with an acoustic feedback signal;
- outputting a second acoustic signal in accordance with the constrained amplified signal;
- estimating a probability associated with an occurrence of the acoustic feedback signal;
- and
- generating user notification data, wherein the user notification data is associated with a warning of acoustic feedback associated with the acoustic feedback signal.
Dependencies are inferred from the claim text.