What is the primary concern when addressing artifacts like mosquito noise?

When considering artifacts like mosquito noise, the primary concern lies with improper compression. Mosquito noise is typically associated with audio or visual compression techniques that do not maintain the quality of the original data. This type of artifact appears when compression algorithms are mishandled, resulting in distortion or unwanted noise in the output. Proper compression aims to efficiently reduce file size without significantly impacting quality. When compression is not correctly applied—such as using overly aggressive settings or inappropriate formats—it can lead to the presence of mosquito noise, which detracts from the clarity and overall quality of the final product.

The other options address different potential issues. Hardware incompatibility pertains to the physical configuration or types of devices being used, which may not directly create audio or visual artifacts like mosquito noise. Deterioration of signal focuses on the weakening of the signal during transmission rather than an artifact's appearance due to compression methods. Faulty connection points could lead to interruptions in signal transmission but are not specifically tied to the kinds of artifacts seen with improper compression. Thus, focusing on improper compression is critical when addressing issues like mosquito noise and ensuring high fidelity in audio and video outputs.