Real-Time Implementation of a Frequency Shifter for Enhancement of Heart Sounds Perception on VLIW DSP Platform

Real-Time Implementation of a Frequency Shifter for Enhancement of Heart Sounds Perception on VLIW DSP Platform

Auscultation of heart sounds is important to perform cardiovascular assessment. External noises may limit heart sound perception. In addition, heart sound bandwidth is concentrated at very low frequencies, where the human ear has poor sensitivity. Therefore, the acoustic perception of the operator c...

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Bibliographic Details
Main Authors: Vincenzo Muto, Emilio Andreozzi, Carmela Cappelli, Jessica Centracchio, Gennaro Di Meo, Daniele Esposito, Paolo Bifulco, Davide De Caro
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Electronics
Subjects:
heart sounds
pitch shift
digital signal processor
real-time processing
DDFS
piecewise approximation
Online Access:https://www.mdpi.com/2079-9292/12/20/4359

Internet

https://www.mdpi.com/2079-9292/12/20/4359

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