Search results
Results from the WOW.Com Content Network
The first home VCRs to become widely available were the Sony U-Matic system in 1971 and Philips VCR system, released in 1972. However, the first system to be successful with consumers was Sony's Betamax in 1975. This was quickly followed by the competing VHS (Video Home System) format from JVC, and later by Video 2000 from Philips.
Overburning is the process of recording data past the normal, vendor-specified size limit of the recordable media. Structures in the ATIP do not allow such sizes to be specified. Overburning may be used to determine the actual capacity limit of a recordable disc, since the capacity rated by recordable disc vendors merely is the guaranteed ...
Slow-motion sequences could likewise be programmed and could be "triggered" to begin via an external control pulse such as might come from an external VTR editor like the Ampex VR-2000 VTR with Editec. The HS-200 was the first system capable of single-frame video animation recording, using magnetic discs as opposed to videotape.
In many devices, the resulting digital video and audio are compressed before recording to reduce the amount of data that will be recorded, although some DVRs record uncompressed data. When compression is used, video is typically compressed using formats such as H.264 or MPEG-2, and audio is compressed using AAC or MP3.
M wrap, used in VHS and the D-1 (Sony) and D-2 (video) digital videotape formats, wraps the tape around the head drum in a pattern or in a tape path reminiscent of the letter M, around the left and right side of the head drum, 250 to 300 degrees around it where 180 to 270 degrees are active or used for recording, with two heads if 180 degrees ...
In modern recording, this range is often limited through dynamic range compression, which allows for louder volume, but can make the recording sound less exciting or live. [50] The dynamic range of music as normally perceived in a concert hall does not exceed 80 dB, and human speech is normally perceived over a range of about 40 dB. [28]: 4
Echoplex EP-2. The Echoplex is a tape delay effects unit, first made in 1959.Designed by engineer Mike Battle, [1] the Echoplex set a standard for the effect in the 1960s; according to Michael Dregni, it is still regarded as "the standard by which everything else is measured."
Akai reel-to-reel systems using cross-field, starting with the Akai XIV/Roberts 770, boasted 13 kHz maximum frequency at 1.875 inches per second, greater than similar systems at twice that speed. The two-head cross-field system also had problems. One was the need to keep the heads in proper alignment, which was tricky for the average user.