The phrase "abnormal sound" is correct and usable in written English.
It can be used to describe a sound that is unusual or not typical, often in contexts related to machinery, health, or environmental observations.
Example: "The car started making an abnormal sound, prompting me to take it to the mechanic for a check-up."
Alternatives: "unusual noise" or "irregular sound".
With one exception: in the bottom half of both lungs, the doctor heard a quiet but abnormal sound, like Velcro being pulled apart with each breath.
The 489 cardiac sound signals with 196 normal and 293 abnormal sound cases acquired from six healthy volunteers and 34 patients were tested.
Abnormal sound signals were grouped into six heart valvular disorders such as the atrial fibrillation, aortic insufficiency, aortic stenosis, mitral regurgitation, mitral stenosis and split sounds.
She slept badly, sensitive to the slightest abnormal sound — the creak of a house timber, the rising wind, a raccoon forcing its way through the skirting of the house and under the kitchen floorboards.
Having a carotid ultrasound test also makes sense for anyone in whom a doctor hears an abnormal sound called a bruit (BREW-ee) as he or she listens to the carotid arteries through a stethoscope.
In dry pleurisy, little or no abnormal fluid accumulates in the pleural cavity, and the inflamed surfaces of the pleura produce an abnormal sound called a pleural friction rub when they rub against one another during respiration.
At 140 min, the anesthesiology resident noticed an increase in airway pressure (AP) (to 25 cmH2O) and the attending decided to proceed with anesthesia since no abnormalities on the patient side (change in pulse oximetry readings or abnormal sounds on auscultation) or on the circuit side (endotracheal tube occlusion, kinking, anesthetic machine malfunction) were found.
With the proposed cardiac sound spectral analysis method, the high classification performances were achieved by 99.9% specificity and 99.5% sensitivity in classifying normal and abnormal sounds (heart disorders).
Recent clinical failures and abnormal sounds observed in certain prosthetic hip designs have directed attention to adverse condition hip simulator testing.
Thermo-acoustic instability accompanied with abnormal sounds was observed for supercritical hydrocarbon fuel (RP-3) flowing in a heated small-scale channel.
Therefore, this application can be used for human robot collaboration in detecting abnormal sounds in home environments.
