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Quadraphonic sound was a commercial failure when first introduced due to a variety of technical issues and format incompatibilities. Four channel audio formats can be more expensive to produce than standard two-channel stereo. Playback requires additional speakers and amplifier channels. It may also require specially designed decoding equipment.
During the 1980s JVC briefly marketed its portable audio equipment similar to the Sony Walkman on the market at the time. The JVC CQ-F2K was released in 1982 and had a detachable radio mounted to the headphones for a compact, wire-free listening experience. JVC had difficulty making the products successful, and a few years later stopped making ...
The built-in hard drive has a capacity of 30 GB (40 GB for GZ-MG575) and can hold up to 7 hours of video when recorded at the highest quality setting. When recording to a memory card, the recording time depends only on the capacity of the card. The GZ-MG555 uses full-size SDHC memory cards. One 4 GB card can fit roughly 1 hour of video at the ...
Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...
High-resolution audio ( high-definition audio or HD audio) is a term for audio files with greater than 44.1 kHz sample rate or higher than 16-bit audio bit depth. It commonly refers to 96 or 192 kHz sample rates. However, 44.1 kHz/24-bit, 48 kHz/24-bit and 88.2 kHz/24-bit recordings also exist that are labeled HD Audio.
The RDS logo. Radio Data System ( RDS) is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardizes several types of information transmitted, including time, station identification and program information.
WASHINGTON — President Joe Biden on Wednesday increased his outreach to lawmakers, Democratic governors, and staff after days of criticism that he hasn't done enough to personally tamp down on ...
The JVC GR-C1 VideoMovie was a camcorder released in March 1984 by JVC. It was notable as the second consumer-grade all-in-one camcorder after 1983 Sony Betamovie, as opposed to earlier portable systems in which the camera and recorder were separate units linked by a cable, and as the first VHS-C camcorder. The camera section was built around a ...