vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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AIF | Audio interchange format; an uncompressed audio file format used by Macs
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Audio/sound | Audible content in media production and publishing
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Bidirectional Microphone | Microphone that picks up sound from two opposite directions
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Bit Rate | The number of bits per second processed when sampling sound (bps)
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Boom Microphone | A directional mic that is mounted on a boom arm and positioned just out of camera
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Key Frame | A frame in a timeline where a change will occur; used in audio, video and animation production
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Kilohertz | One thousand hertz; measures the sampling rate of an audio file
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Lavalier Microphone (lapel) | A small microphone designed to pick up speech from a single person, typically attached to the subject's clothing with a specialized clip
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MIDI | Musical instrument digital interface; format for recording music from synthesizers and other electronic instruments
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Mixing | Audio mixing is the process by which sounds are combined into one or more channels
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Mono | An audio signal that is mixed together and routed through a single audio channel
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Mounted Microphone | A microphone that is attached to a stand or boom
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MP3 | Mpeg 3; 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
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MP4 | Mpeg 4; a compressed file format that can be used for audio or video; appropriate for streaming
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Omnidirectional Microphone | Microphone that captures equally from all directions
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Original Work | A distinctive piece created by an author or artist
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Ripping | The process of digitally extracting audio from CDs to your hard drive
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Sampling Rate | The number of samples taken per second when sound is recorded; 1Hz-1 sample per second; currently measured in kilohertz; 44.1 is CD quality, 22.1 is radio quality
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Silence | The absence of sound in a production; used to set a mood or provide a moment for reflection
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Sound Effects | Audio effects other then music or speech that are enhanced or artificially created and added in postproduction
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Speech | An example of audio that can include voice overlay, dialogue or direct address
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Stereo | An audio signaled divided into two separate channels, played back simultaneously via separate speakers
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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
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WAV | Waveform; uncompressed audio format for Windows
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Wireless Microphone | A microphone that is not physically connected to a camera or recording equipment
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WMA | Windows media audio; compressed audio format originally designed for Windows Media Player
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