A programmable analog hearing aid system-on-chip with frequency compensation

Wang, Xiao Yu; Yang, Haigang; Li, Fanyang; Yin, Tao; Huang, Guocheng; Liu, Fei

doi:10.1007/s10470-014-0264-6

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Their fundamental function is fixed and can only be changed before manufacturing. There are pure analog [45,64,70], mixed-signal [12,17,[30][31][32], or pure digital [3,65,71,72,74] hard-wired hearing aids.…”

Section: Hard-wired Architecturesmentioning

confidence: 99%

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A Survey on Application Specific Processor Architectures for Digital Hearing Aids

Gerlach

Payá-Vayá

Blume

2021

J Sign Process Syst

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On the one hand, processors for hearing aids are highly specialized for audio processing, on the other hand they have to meet challenging hardware restrictions. This paper aims to provide an overview of the requirements, architectures, and implementations of these processors. Special attention is given to the increasingly common application-specific instruction-set processors (ASIPs). The main focus of this paper lies on hardware-related aspects such as the processor architecture, the interfaces, the application specific integrated circuit (ASIC) technology, and the operating conditions. The different hearing aid implementations are compared in terms of power consumption, silicon area, and computing performance for the algorithms used. Challenges for the design of future hearing aid processors are discussed based on current trends and developments.

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Section: Hard-wired Architecturesmentioning

confidence: 99%

“…The total size is 9.50 mm 2 and this is the maximum chip size since 2004. The analog hearing aid presented in [70], which is manufactured using a 0.13 μm and a 0. 35 μm technology, requires 66% of the area for the automatic gain control, 15% for the driver and 20% for the filter circuit.…”

Section: Silicon Areamentioning

confidence: 99%

A Survey on Application Specific Processor Architectures for Digital Hearing Aids

Gerlach

Payá-Vayá

Blume

2021

J Sign Process Syst

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“…The lower power consumption and lower complexity of analog processing can circumvent this to create niche products. There exist many designs for ultralow-power audio processor components ( Medeiros et al, 2013 ; Park et al, 2020 ; Wang et al, 2014 ; Yang et al, 2015 ) that could be suitable for either surgical implantation or semipermanent wear with a suitable high-capacity battery.…”

mentioning

confidence: 99%

Perceived Sound Quality of Hearing Aids With Varying Placements of Microphone and Receiver

et al. 2023

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Purpose: Perceived sound quality was variously compared between either no aiding or aiding with three models of hearing aid that varied the microphone position around the pinna, depth of the receiver in the auditory meatus, degree of meatal occlusion, and processing sophistication. The hearing aids were modern designs and commercially available at the time of testing. Method: Binaural recordings of multichannel spatially separated speech and music excerpts were made in a manikin, either open ear or aided. Recordings were presented offline over wide-bandwidth, high-quality insert earphones. Participants listened to pairs of the recordings and made preference ratings both by clarity and externality (a proxy for “spaciousness”). Two separate groups of adults were tested, 20 with audiometrically normal hearing (NH) and 20 with mild-to-moderate sensorineural hearing loss (hearing impaired [HI]). Results: For ratings of speech clarity, the NH group expressed no preference between the open ear and a deeply inserted occluding aid, both of which were preferred to a low-pass filtered output of the same aid. For the music signal, a small preference emerged for the open-ear recording over that of the aid. For the HI group, clarity of the deeply inserted aid was similar to in-the-ear and behind-the-ear devices for speech, but worse for music. Ratings of spaciousness produced no clear result in either group, which can be attributed to study limitations and/or participant factors. Conclusion: Based on clarity, a wide bandwidth, particularly to beyond 5 kHz generally and below 300 Hz for music, is desirable, independent of hearing aid design.

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Design and analysis of a novel automatic gain control pre-amplifier circuit for hearing aid device

Singh

Dhiman

Chandel

2015

2015 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT)

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A programmable analog hearing aid system-on-chip with frequency compensation

Cited by 4 publications

References 8 publications

A Survey on Application Specific Processor Architectures for Digital Hearing Aids

A Survey on Application Specific Processor Architectures for Digital Hearing Aids

Perceived Sound Quality of Hearing Aids With Varying Placements of Microphone and Receiver

Design and analysis of a novel automatic gain control pre-amplifier circuit for hearing aid device

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