Relative Intensities of Sounds at Various Anatomical Locations of the Head and Neck during Phonation of the Vowels

Moser, Henry M.; Oyer, Herbert J.

doi:10.1121/1.1909565

Cited by 16 publications

(12 citation statements)

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“…These include tooth, forehead, behind the head, ear canal, and other locations (ref. 10,224,225,226,227,[133][134][135][136][137][138]233). Sound Transducers at the tooth and forehead locations operate as bone conduction devices, and the use of bone conduction for reception was discarded by earlier investigators (ref.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, it is felt that improvements can be made on previous attempts to locate a microphone in the ear (ref. 10,[133][134][135][136][137][138]). …”

Section: B Two Coil Hybrid Transformer Diplexermentioning

confidence: 99%

“…Moreover, the ear canal has been shown to be a reasonably good location for a microphone (ref. 10,[133][134][135][136][137][138], particularly when proper compensation for the frequency distortion caused by the sound path through the head is utilized, (ref. 10,190,[224][225][226][227].…”

Section: Asd-tdr-63-157mentioning

confidence: 99%

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Investigation of Diplexing Transducers for Voice Communications

Bredon¹

1963

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The physiological problems relating to the wearing of communications microphones and headsets by personnel in aerospace vehicles are defined in this report.Methods of providing full diplex voice communication with a single dual-purpose transducer are discussed. Air conduction, bone conduction, electrophonic phenomena, and direct radio frequency stimulation for the purpose of communication are considered in this study.An ear canal insert diplexer system (dual-purpose transducer) is found through research and direct experiment to yield good intelligibility without interfering with other body functions. A superaudlble chopper diplexing method is also selected as a promising technique for utilization of a dual-purpose transducer.

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Section: Discussionmentioning

confidence: 99%

“…Furthermore, it is felt that improvements can be made on previous attempts to locate a microphone in the ear (ref. 10,[133][134][135][136][137][138]). …”

Section: B Two Coil Hybrid Transformer Diplexermentioning

confidence: 99%

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Investigation of Diplexing Transducers for Voice Communications

Bredon¹

1963

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“…The location of the BC microphone can affect the quality and intelligibility of the captured BC speech, a preferred location being an area near the larynx (Moser and Oyer, 1958). Unlike air-conduction (AC) microphones which also capture external background noise present in the user's environment, BC sensors are immune to this background noise since the captured signal is transmitted through bone and tissue directly to the sensor.…”

Section: Introductionmentioning

confidence: 99%

Model-based speech enhancement using a bone-conducted signal

Kechichian

Srinivasan

2012

The Journal of the Acoustical Society of America

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Codebook-based single-microphone noise suppressors, which exploit prior knowledge about speech and noise statistics, provide better performance in nonstationary noise. However, as the enhancement involves a joint optimization over speech and noise codebooks, this results in high computational complexity. A codebook-based method is proposed that uses a reference signal observed by a bone-conduction microphone, and a mapping between air- and bone-conduction codebook entries generated during an offline training phase. A smaller subset of air-conducted speech codebook entries that accurately models the clean speech signal is selected using this reference signal. Experiments support the expected improvement in performance at low computational complexity.

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“…To accomplish speech communications in a very noisy environment, a technique of picking up the vibrations of bone can be utilized [1] [2]. The transmission of voice on bones is called bone conduction.…”

Section: Introductionmentioning

confidence: 99%

Quality improvement of bone-conducted speech

Shinamura

Tomikura

Proceedings of the 2005 European Conference on Circuit Theory and Design, 2005.

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One method to communicate in a very high noise environment is to use bone-conducted speech. In this paper, a technique of improving the quality of bone-conducted speech is presented. The bone-conducted speech signal of a speaker is passed through a reconstruction filter designed by using the long-term spectra of the bone-conducted and normal speech signals. Properties of the normal, bone-conducted and reconstructed speech signals are investigated and it is shown that for speaker recognition, the reconstructed speech signal could be usefully utilized.

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Relative Intensities of Sounds at Various Anatomical Locations of the Head and Neck during Phonation of the Vowels

Cited by 16 publications

References 0 publications

Investigation of Diplexing Transducers for Voice Communications

Investigation of Diplexing Transducers for Voice Communications

Model-based speech enhancement using a bone-conducted signal

Quality improvement of bone-conducted speech

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