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Audio Formats
Unit 3 Sound
| Question | Answer |
|---|---|
| AIF | audio interchange format; an uncompressed audio file format used by Macs |
| MIDI | musical instrument digital interface; format for recording music from synthesizers and other electronic instruments |
| MP3 | a compressed audio file format that is the current standard for exchanging audio files over the Internet; 1/10 the size of a wave file |
| MP4 | a compressed file format that can be used for audio or video; appropriate for streaming |
| Ripping | the process of digitally extracting audio from CDs to your hard drive |
| WAV | uncompressed audio format for Windows |
| WMA | windows media audio; compresssed audio format originally designed for Windows Media Player |
| Lossy | loses some of its original audio information to create a smaller file, resulting in loss of quality also |
| Lossless | compression format that doesn't effect the original quality, but results in larger file sizes |
| RA | real audio media format by Real Networks, designed for real-time streaming audio feeds |
| AAC | also known as MPEG 4, the proprietary audio format used by Apple's iTunes and iPod |
| Audio/sound | audible content in media production and publishing |
| Bidirectional microphone | microphone that picks up sound from two opposite directions |
| Bit rate | the number of bits per second processed when sampling sound (bps). |
| Boom microphone | directional mic that is mounted on a boom arm and positioned just out of camera |
| Audio/sound | audible content in media production and publishing |
| Kilohertz | microphone that picks up sound from two opposite directions |
| Bit rate | the number of bits per second processed when sampling sound (bps). |
| Boom microphoneEa directional mic that is mounted on a boom arm and positioned just out of camera | the process by which sounds are combined into one or more channels |
| Lavalier microphone | a small microphone designed to pick up speech from a single person, typically attached to the subject's clothing with a specialized clip |
| Original work | a distinctive piece created by an author or artist |
| mono | an audio signal that is mixed together and routed through a single audio channel |
| Mounted microphone | a microphone that is attached to a stand or boom |
| Omnidirectional microphone | microphone that captures equally from all directions |
| Original work | a distinctive piece created by an author or artist |
| Sound effects | audio effects other than music or speech that are enhanced or artificially created and added in postproduction |
| Stereo | an audio signaled divided into two separate channels, played back simultaneously via separate speakers |
| Silence | the absence of sound in a production; used to set a mood or provide a moment for reflection |
| Streaming | playing audio or video immediately as it is downloaded from the Internet, rather than storing it in a file on the receiving computer first |
| Sound effects | audio effects other than music or speech that are enhanced or artificially created and added in postproduction |
| Speech | an example of audio that can include voice overlay, dialogue or direct address |
| Wireless microphone | a microphone that is not physically connected to a camera or recording equipment |
Created by:
hopkinst
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