The S3 heart sound occurs as the mitral valve opens and allows blood to fill the left ventricle passively. The sound happens as a result of blood striking the left ventricle during early diastole. An ...

A third heart sound, or S3, is a low-frequency, extra heart sound that may be heard with a stethoscope right after the normal S1 and S2 heart sounds. S1 and S2 are the "lub-dub" sounds of a heartbeat ...

An S4 heart sound is a low-pitched sound that occurs toward the end of the diastole. In some cases, an underlying health condition, often one affecting the left ventricle, may cause the S4 heart sound ...

Qualcomm’s Snapdragon Sound technology is designed to deliver high-quality, low-latency audio to wireless devices including earbuds, headphones, and compatible devices including smartphones or USB ...

Qualcomm has just announced the third generation of the S5 and S3 Sound platforms used in Snapdragon Sound. These sound offerings not only promise audio enhancements, but also accessibility. Also, as ...