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2. Hard disk recorder - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_recorder

   A hard disk recorder (HDR) is a system that uses a high-capacity hard disk to record digital audio or digital video. Hard disk recording systems represent an alternative to reel-to-reel audio tape recording and video tape recorders , and provide non-linear editing capabilities unavailable using tape recorders.

3. Audio-to-video synchronization - Wikipedia

   en.wikipedia.org/wiki/Audio-to-video_synchronization

   A video camera with built-in microphones or line-in may not delay sound and video paths by the same amount. Solid-state video cameras (e.g. charge-coupled device (CCD) and CMOS image sensors) can delay the video signal by one or more frames. Audio and video signal processing circuitry exists with significant (and potentially non-constant ...

4. Comparison of analog and digital recording - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_analog_and...

   After initial recording, it is common for the audio signal to be altered in some way, such as with the use of compression, equalization, delays and reverb. With analog, this comes in the form of outboard hardware components , and with digital, the same is typically accomplished with plug-ins in a digital audio workstation (DAW).

5. Screencast - Wikipedia

   en.wikipedia.org/wiki/Screencast

   A screencast is a digital recording of computer screen output, also known as a video screen capture or a screen recording, often containing audio narration. [1] The term screencast compares with the related term screenshot; whereas screenshot generates a single picture of a computer screen, a screencast is essentially a movie of the changes over time that a user sees on a computer screen, that ...

6. Digital recording - Wikipedia

   en.wikipedia.org/wiki/Digital_recording

   It required the use of a home video tape recorder for storage. [17] November 4–7, 1977: 3M demonstrates a prototype 2-channel 50.4 kHz 16-bit digital recorder running on 1-inch tape at 45 ips at the New York AES Convention. [3] As no true 16-bit converters were available, it combined separate 12-bit and 8-bit converters to create 16-bit ...

7. Camcorder - Wikipedia

   en.wikipedia.org/wiki/Camcorder

   Prior to the camcorder, a portable recorder and camera would be required. This is a Sony SL-F1 Betamax recorder and video camera. [2] Sony Betamovie BMC-110 (BMC-100P in PAL markets) is the first consumer camcorder. Released in 1983 for the Betamax format. It has no playback functionality and is only capable of recording.

8. Video quality - Wikipedia

   en.wikipedia.org/wiki/Video_quality

   Video quality is a characteristic of a video passed through a video transmission or processing system that describes perceived video degradation (typically compared to the original video). Video processing systems may introduce some amount of distortion or artifacts in the video signal that negatively impact the user's perception of the system.

9. Click (acoustics) - Wikipedia

   en.wikipedia.org/wiki/Click_(acoustics)

   In digital recording, clicks (not to be confused with the click track) can occur due to multiple issues. When recording through an audio interface, insufficient computer performance or audio driver issues can cause clicks, pops and dropouts. They can result from improper clock sources [3] and buffer size.