background: exposure to loud music from sources such as portable music players (pmp), especially among adolescents, can lead to noise-induced hearing loss. the aims of this study are as follows: 1) investigate the prevalence of headphone use in iranian university students by assessing their behavior, 2) determine the type of headphones used, and 3) ascertain the type of music player used. metho...

PURPOSE Hearing loss can lead to a number of disabilities and can reduce quality of life. Noise-induced hearing losses have become more common among adolescents due to increased exposure to personal music players. We, therefore, investigated the use of personal music player among Korean adolescents and the relationship between hearing threshold and usage pattern of portable music players. MAT...

Nowadays, many people use portable players to enrich their daily life with enjoyable music. However, in noisy environments, the player volume is often set to extremely high levels in order to drown out the intense ambient noise and satisfy the appetite for music. Extensive and inappropriate usage of portable music players might cause subtle damages in the auditory system, which are not behavior...

Executive summary The digital distribution of music grew out of the unauthorized file-sharing phenomenon of the late 1990s. As peer-to-peer networks gained popularity, a digital music value chain emerged comprised of file sharing software, Internet connectivity, personal computers, jukebox software, portable MP3 players, and a community of users providing content. These components were intercha...

Wireless networks are increasingly pervasive in many commercial and business environments. Additionally, many portable computing devices now have built-in wireless networking support. With these trends we are entering a new era of mobile computing and entertainment. In this demonstration we introduce an application named MStream for mobile handheld devices such as PDAs. MStream provides customi...

During a regular day while on the move, most people interact with multiple portable devices: a personal music player, mobile phone, and digital camera. People driving cars in addition may also use navigation systems. Whereas each of these devices are getting more and more sophisticated, and packed with numerous functionalities, they are each optimized for specific usages. Modern mobile phones f...

We present a system for collaborative musical creation on mobile wireless networks. The work extends on simple peerto-peer file sharing systems towards ad-hoc mobility and streaming. It extends upon music listening from a passive act to a proactive, participative activity. The system consists of a network based interactive music engine and a portable rendering player. It serves as a platform fo...

Consumers expect portable devices packed with more and more features to maintain excellent battery life and small form factor. One trend is the integration of multiple music functions into a single device; such as the addition of digital music players into cell phones. With this migration to all-inone phone/MP3 player combination, analog switches are often employed to allow multiple sources to ...