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- W3024309952 abstract "Background: Cardiac auscultation is a frequent first step in diagnosing heart disorders. However, the lack of dependability of ordinary auscultation in the hands of inexperienced clinicians remains a problem. Objective: We sought to develop an inexpensive system for digital cardiac auscultation (digital phonocardiography) using a Windows laptop computer, freely downloadable software and an inexpensive USB microphone. Description: The system, based on the free open source Audacity software package, offers advanced features such as phonocardiogram storage and retrieval, low-pass and high-pass waveform filtering and variable-speed signal playback with pitch preservation. Results: Sample results for both raw and digitally filtered phonocardiograms are provided. Conclusion: An innovative laptop-based phonocardiogram system offering advanced features can be easily produced at minimal cost." @default.
- W3024309952 created "2020-05-21" @default.
- W3024309952 creator A5041889704 @default.
- W3024309952 date "2021-02-12" @default.
- W3024309952 modified "2023-09-24" @default.
- W3024309952 title "A Simple Laptop-based Phonocardiography System: A Novel and Inexpensive Instrument for Research and Clinical Use" @default.
- W3024309952 doi "https://doi.org/10.2174/0250688201999200511134108" @default.
- W3024309952 hasPublicationYear "2021" @default.
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