Hearing aid system and a method of operating thereof
First Claim
1. A hearing aid system comprisinga speech processor adapted to be communicatively coupled to a microphone and adapted to process a microphone signal received at the speech processor for producing an electrical stimulation signal and an acoustic stimulation signal, the speech processor being further configured to generate a modified acoustic stimulation signal by modifying the acoustic stimulation signal at least for a part of a residual frequency range of a patient in dependence on effect of an implantable electrode array on mechanical properties of cochlea of the patient, wherein the speech processor is adapted togenerate the acoustic stimulation signal comprising a first gain corresponding to a first frequency comprised within the residual frequency range in accordance with an audiogram of the patient,modify at least one of the first gain and the first frequency to generate the modified acoustic stimulation signal,access a conversion model stored in a memory to generate the modified acoustic stimulation signal, the modified acoustic stimulation signal being configured to at least partially counter the effect of the implantable electrode array on mechanical properties of the cochlea of the patient, wherein the conversion model comprises a conversion function and the conversion function is based on a change in at least one of the first gain and the first frequency of the acoustic stimulation in a sample population other than the patient in response to at least one of characteristics of the implantable electrode array;
- a first unit comprising a cochlear implant communicatively coupled to the speech processor, the cochlear implant comprising the implantable electrode array configured to be located within a cochlea of the patient and to provide an electrical stimulation based on the electrical stimulation signal to a cochlea within a non-residual frequency range of the patient; and
a second unit communicatively coupled to the speech processor and adapted to provide a modified acoustic stimulation based on the modified acoustic stimulation signal to the cochlea within the at least in the part of the residual frequency range.
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Accused Products
Abstract
According to an embodiment, a hearing aid system is disclosed. The system includes a speech processor communicatively coupled to a microphone. The speech processor is configured to process a microphone signal received at the speech processor for producing an electrical stimulation signal and an acoustic stimulation signal. The speech processor is also configured to generate a modified acoustic stimulation signal by modifying the acoustic stimulation signal at least for a part of a residual frequency range of a patient in dependence on effect of an implantable electrode array on mechanical properties of cochlea of the patient. The system also includes a first unit and a second unit. The first unit comprising a cochlear implant communicatively coupled to the speech processor, the cochlear implant comprising the implantable electrode array configured to be located within a cochlea of the patient and to provide the electrical stimulation based on the electrical stimulation signal to a cochlea within a non-residual frequency range of the patient. The second unit communicatively coupled to the speech processor and adapted to provide the modified acoustic stimulation based on the modified acoustic stimulation signal to the cochlea within the at least in the part of the residual frequency range.
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Citations
17 Claims
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1. A hearing aid system comprising
a speech processor adapted to be communicatively coupled to a microphone and adapted to process a microphone signal received at the speech processor for producing an electrical stimulation signal and an acoustic stimulation signal, the speech processor being further configured to generate a modified acoustic stimulation signal by modifying the acoustic stimulation signal at least for a part of a residual frequency range of a patient in dependence on effect of an implantable electrode array on mechanical properties of cochlea of the patient, wherein the speech processor is adapted to generate the acoustic stimulation signal comprising a first gain corresponding to a first frequency comprised within the residual frequency range in accordance with an audiogram of the patient, modify at least one of the first gain and the first frequency to generate the modified acoustic stimulation signal, access a conversion model stored in a memory to generate the modified acoustic stimulation signal, the modified acoustic stimulation signal being configured to at least partially counter the effect of the implantable electrode array on mechanical properties of the cochlea of the patient, wherein the conversion model comprises a conversion function and the conversion function is based on a change in at least one of the first gain and the first frequency of the acoustic stimulation in a sample population other than the patient in response to at least one of characteristics of the implantable electrode array; -
a first unit comprising a cochlear implant communicatively coupled to the speech processor, the cochlear implant comprising the implantable electrode array configured to be located within a cochlea of the patient and to provide an electrical stimulation based on the electrical stimulation signal to a cochlea within a non-residual frequency range of the patient; and a second unit communicatively coupled to the speech processor and adapted to provide a modified acoustic stimulation based on the modified acoustic stimulation signal to the cochlea within the at least in the part of the residual frequency range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16)
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15. A method for producing a dual-mode stimulation at a cochlea of a patient
processing, at a speech processor communicatively coupled to a microphone, a microphone signal received at the speech processor for producing an electrical stimulation signal and an acoustic stimulation signal, the acoustic stimulation signal comprising a first gain corresponding to a first frequency comprised within the residual frequency range in accordance with an audiogram of the patient; -
generating, at the speech processor, a modified acoustic stimulation signal by modifying the acoustic stimulation signal at least for a part of a residual frequency range of a patient in dependence on effect of an implantable electrode array on mechanical properties of cochlea of the patient, the modified acoustic stimulation signal being generated by modifying at least one of the first gain and the first frequency; providing an electrical stimulation based on the electrical stimulation signal to a cochlea within a non-residual frequency range of the patient using a first unit comprising a cochlear implant communicatively coupled to the speech processor, the cochlear implant comprising the implantable electrode array configured to be located within a cochlea of the patient; providing a modified acoustic stimulation based on the modified acoustic stimulation signal to the cochlea within the at least in the part of the residual frequency range using a second unit communicatively coupled to the speech processor; and accessing a conversion model stored in a memory to generate the modified acoustic stimulation signal, the modified acoustic stimulation signal being configured to at least partially counter the effect of the implantable electrode array on mechanical properties of the cochlea of the patient, wherein the conversion model comprises a conversion function and the conversion function is based on a change in at least one of the first gain and the first frequency of the acoustic stimulation in a sample population other than the patient in response to at least one of characteristics of the implantable electrode array.
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17. A non-transitory computer readable medium for storing a computer readable instructions which when executed causes the speech processor that is communicatively coupled to a microphone to
process a microphone signal received at the speech processor for producing an electrical stimulation signal and an acoustic stimulation signal, the acoustic stimulation signal comprising a first gain corresponding to a first frequency comprised within the residual frequency range in accordance with an audiogram of the patient; -
generate a modified acoustic stimulation signal by modifying the acoustic stimulation signal at least for a part of a residual frequency range of a patient in dependence on effect of an implantable electrode array on mechanical properties of cochlea of the patient; provide an electrical stimulation based on the electrical stimulation signal to a cochlea within a non-residual frequency range of the patient using a first unit comprising a cochlear implant communicatively coupled to the speech processor, the cochlear implant comprising the implantable electrode array configured to be located within a cochlea of the patient; provide a modified acoustic stimulation based on the modified acoustic stimulation signal to the cochlea within the at least in the part of the residual frequency range using a second unit communicatively coupled to the speech processor, the modified acoustic stimulation signal being generated by modifying at least one of the first gain and the first frequency; and access a conversion model stored in a memory to generate the modified acoustic stimulation signal, the modified acoustic stimulation signal being configured to at least partially counter the effect of the implantable electrode array on mechanical properties of the cochlea of the patient, wherein the conversion model comprises a conversion function and the conversion function is based on a change in at least one of the first gain and the first frequency of the acoustic stimulation in a sample population other than the patient in response to at least one of characteristics of the implantable electrode array.
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Specification