Laryngitis is an inflammation of your larynx (or voice box) that results in symptoms ranging from a tickling in your throat to a complete loss of your voice. Acute laryngitis is temporary and lasts from a few days to a few weeks. It can be caused by infections or vocal strain. Chronic laryngitis lasts for more than three weeks and is usually caused by inhaled smoke, chemicals, a side effect of acid reflux or sinus infection.
This has included defining the roles, responsibilities and authority of those responsible for product and customer service quality and establishing guidelines. Based on this quality management system, Sony is implementing measures on an ongoing basis to improve the quality of its products and services. Examples of such measures are given below.
According to the Perceived Service Quality model (Figure 1), the quality of a service, as perceived by the customer, is the result of a comparison between the expectations of the customer and his or her real-life experiences.