audio
audioThis article is about compression waves. For other meanings, see sound (disambiguation).Sound is a disturbance of mechanical energy that propagates through matter as a wave. Sound is characterized by the properties of sound waves which are frequency, wavelength, period, amplitude and velocity or speed. ExplanationNoise and sound often mean the same thing; when they differ, a noise is an unwanted sound. | Via Maestri Del Lavoro 583 - Monsummano Terme (PT) Italy. In science and engineering, noise is an undesirable component that obscures a signal. Humans perceive sound by the sense of hearing. By sound, we commonly mean the vibrations that travel through air and can be heard by humans. However, scientists and engineers use a wider definition of sound that includes low and high frequency vibrations in air that cannot be heard by humans, and vibrations that travel through all forms of matter, gases, liquids and solids. The matter that supports the sound is called the medium. ITnet, servizi Internet per le aziende: Audio Video Streaming. Sound propagates as waves of alternating pressure, causing local regions of compression and rarefaction. Particles in the medium are displaced by the wave and oscillate. The scientific study of sound is called acoustics. Perception of soundA schematic representation of hearing. (Blue: sound waves. The standard for audio and video streaming online. Red: eardrum. Yellow: cochlea. Green: auditory receptor cells. Purple: frequency spectrum of hearing response. Home SAMSUNG SGH E880 - Scheda prodotto Fotodigit.it ePRICE - SAMSUNG - SGHE880 - SGHE880MKB - GPRS BT MP3 1 + AURIC BT Confronta LG U8330 Confronta Philips 530 Confronta Motorola ROKR E1 Manuale Motorola ROKR E1 audio video Motorola SLVR L7 Tim Motorola L7 TRI BAND 900 1800 1900 Dis Confronta i-Mate SP5 telefonia cellulare e fissa Palmare Qtek 8310 Grundig X5 Motorola L6 Italia-La scheda del Motorola L6 Italia-Mallteam.it Prezzo Palmare QQAAXX GS1 e opinioni sul cellulare Palmare QQAAXX GS2 Recensione QQAAXX GS2 Prezzo LG B2250 e opinioni sul cellulare LG C1100 Telefono cellulare Confronta Samsung SGH X810 SAMSUNG SGH X810 Telefono cellulare Prezzo Samsung SGH D510 e opinioni sul cellulare Samsung D550 Prezzo Samsung P860 e opinioni sul cellulare Prezzo LG M4330 e opinioni sul cellulare Confronta LG M4330 Confronta Siemens A65 Innostream INNO 36 Prezzo Innostream INNO P10 e opinioni sul cellulare Confronta Philips 868 Prezzo Nec N600i e opinioni sul cellulare Prezzo Palmare Motorola Q e opinioni sul cellulare Confronta Sagem VS2 Manuale Alcatel One Touch 331 fotografia! - lg - LG - S5100 - MP3 PLAYER - FOTOCAMERA 1.3 MEGA PX Nec e122 Fotocamera 1 Bluetooth - Telefoni Cellulari - 2610 SAMSUNG SGH D800 - Scheda prodotto Fotodigit.it Pantech PG 6100 Confronta Sony Ericsson W900i Prezzo Haier V6100 e opinioni sul cellulare Confronta Haier V6100 Prezzo Nokia 7370 e opinioni sul cellulare |