W6 D4 - AUDIO & INFO MEDIA

• Hearing


  The act of perceiving sound by the ear. Passive, involuntary, automatic.
• Listening


  Requires concentration so that your brain processes many frow words and sentences. Active, voluntary, somatic
• Audio media


  The media communication that uses audio or recordings to deliver and transfer information through means of sound
• Some common types

  Music, podcast, radio shows, sound recording, audiobooks, sound effects
• Music


  This can include any type of musical composition from classical to hip hop
• Podcast


  Audio recording that can be downloaded or streamed online
• Radio shows


  Live or pre-recorded broadcasts that typically features music, news, and other types of programming
• Sound recording


  This can include any recording of an interview meeting or any sound from the environment
• Audiobooks


  Narrated versions of books that can be listened to rather than read
• Sound effects


  Pre-recorded or synthesize sounds used in film, television, and other forms of media to enhance the auditory experience
• Ways to store audio information

  Tape, CD, flash drive, memory card, computer hard drive, cloud
• Tape 


  The magnetic tape on which sound can be recorded
• CD (Compact Disc)


  A plastic-fabricated, circular medium for recording, storing, and playing back audio, video, and computer data
• Flash drive


  An external flash drive, small enough to carry on a keyring, that can be used with any computer that has a usb port
• Memory card


  A small storage medium used to store data such as text, pictures, audio, and video for use on small portable or remote computing devices
• Computer hard drive


  A secondary storage device for storing audio file
• Cloud


  Websites or file repositories for retrieving audio files, and more precisely the files are stored in some data center full of servers that is connected to the internet
• Audio file formats

  MP3, M4A, WAV, WMA
• Mp3 (Mpeg Audio Layer 3)


  A common format for consumer audio as well as a standard of digital audio compression for the transfer and playback of music on most digital audio players
• M4A/AAC (MPEG4AUDIO/Advanced Audio Coding)


  An audio coding standard for loss of digital audio compression. Design to be the successor of the mp3 format, it generally achieves better sound quality than mp3 at a similar bit rate.
• WAV (WAVEFORM AUDIO FILE FORMAT)


  A microsoft audio file format standard for storing an audio bitstream on PCs. It has become a standard file format for game sounds, among others.
• WMA (Windows Media Audio)


  An audio data compression technology developed by Microsoft and use with windows media player
• Decibel (dB)


  A unit of sound that is characterized by the noise of the sound measurement
• Hertz (Hz)


  A unit of sound frequency
• Phon 


  Unit of subjective loudness
• Volume


  Intensity of sound
• Tone


  Audible characteristics of a sound
• Pitch


  Highness or lowness of a sound
• Sound transitions

  Segue, cross-fade, v-fade, waterfall
• Segue


  One element stops, and the next begins
• Cross-fade


  One element fades out, the next fades in, and they overlap on the way
• V-fade


  First element feeds to inaudible before the second element begins.
• Waterfall


  First element fades out, second element begins at full volume