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Interaural time difference enhancement strategy
Interaural time difference enhancement strategy
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机译：双耳时差增强策略
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摘要
Aspects of the present invention are generally directed to a modulation enhancement strategy that helps improve ITD perception by explicitly modulating the electrical stimulation signal. In an embodiment, the timing of the applied modulations is based on amplitude inflections (i.e., peaks or troughs) in the received sound signal. In an embodiment, the identified inflections (i.e., peaks or troughs) represent the most energetic portions of the signal over a particular time period (e.g., the time period prior to the inflection having a length equal to the expected fundamental period of the signal. Further, in an embodiment, the cochlear implant applies a delay to the stimulation signal to help maintain interaural timing cues. The application of this delay helps account for the traveling wave delay in the acoustic path of the opposite ear in embodiments in which the opposite ear is fitted with a hearing aid or is not fitted with a hearing device.
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