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Electronic Stethoscopes – Standards – TTAC
https://telehealthtechnology.org/toolkit/electronic-stethoscopes-standards/
Audio output data transmission is a hallmark feature of the electronic stethoscope. There are multiple ways in which audio output data can be transmitted, and the ways vary depending on manufacturer. In general, the data is transmitted via a cable from the audio output port on the electronic stethoscope.
Digital Stethoscope - ECE 4760
https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2012/myw9_gdd9/myw9_gdd9/
The output of the microphone was passed through a capacitor to remove the DC offset. The capacitor used was large enough to make sure that the desired low frequencies were not filtered out. With two 1k resistors in parallel with the output of the microphone, the equivalent output impedance of the sensor is roughly 400 ohms.
Top 5 Best Electronic Stethoscopes: Analyzed & Reviewed
https://topnurse.info/reviews/best-electronic-stethoscopes/
The electronic stethoscope
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4496820/
One problem with acoustic stethoscope is that the sound level is extremely low. An electronic stethoscope overcomes the low sound levels by electronically amplifying the body sounds. Electronic stethoscopes convert the acoustic sound waves obtained through the chest piece into electrical signals which can then be amplified for optimal listening.
COPE WITH SCOPES: Stethoscopes and Hearing Aids - …
https://www.audiologyonline.com/articles/cope-with-scopes-stethoscopes-and-1124
There is a stethoscope that is designed for CIC and ITE hearing aid users that uses headphones. Both stethoscopes below have direct audio input (DAI) capability and present some interface challenges of their own. The audio output jacks on these stethoscopes are amplified and can over-drive hearing aids. Therefore, an attenuated cable may be necessary.
Stethoscope - Wikipedia
https://en.wikipedia.org/wiki/Stethoscope
Because the sounds are transmitted electronically, an electronic stethoscope can be a wireless device, can be a recording device, and can provide noise reduction, signal enhancement, and both visual and audio output. Around 2001, Stethographics introduced PC-based software which enabled a phonocardiograph, graphic representation of cardiologic and pulmonologic sounds …
Electronic Stethoscope - Aaron Cake
https://www.aaroncake.net/circuits/steth.asp
Electronic Stethoscope. Stethoscopes are not only useful for doctors, but home mechanics, exterminators, spying and any number of other uses. Standard stethoscopes provide no amplification which limits their use. This circuit uses op-amps to greatly amplify a standard stethoscope, and includes a low pass filter to remove background noise.
Wireless Electronic Stethoscope - IJERT
https://www.ijert.org/research/wireless-electronic-stethoscope-IJERTV3IS040524.pdf
commonly used because it cheaper than electronic stethoscope. The function of electronic stethoscope is similar to acoustic stethoscope. Electronic stethoscope electronically amplifies body sounds. In this device, sound waves from body are converted from analog to electrical signals and then amplified.
The electronic stethoscope | BioMedical Engineering …
https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/s12938-015-0056-y
One problem with acoustic stethoscope is that the sound level is extremely low. An electronic stethoscope overcomes the low sound levels by electronically amplifying the body sounds. Electronic stethoscopes convert the acoustic sound waves obtained through the chest piece into electrical signals which can then be amplified for optimal listening.
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