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It apparently was a success and offered good four-channel sound at budget price.
The film is a four-channel video project that shows scenes from a woman's experience surrounding the death of her dog.
What, for example, should the program streams on a network's new four-channel digital feed be called?
A new four-channel engine immobiliser system has been developed and added to the range.
The planes are fitted with a standard four-channel aircraft radio.
The four-channel microphone on the Eye can block out background noise.
The company developed its four-channel recorder in 1977.
This initial generation system was essentially a real-time four-channel video switcher.
A four-channel quadraphonic version of the album was prepared and advertised, but not released.
The album was also specially remixed for four-channel quadraphonic sound.
The four-channel version uses some different edits and performances of the songs taken from the same concerts.
Four-channel amps are, by far, the most popular.
Some manufactures built the CD-4 demodulator into complete four-channel receivers.
Alternatively, the "four-channel" bit could have been used merely to indicate the presence of a matrix-encoded recording.
Four-channel sound was to be an allowable option within the Red Book format, but has never been implemented.
It is followed by the YMF744 and its variants, which feature four-channel output.
Quadraphonic sound was a four-channel reproduction system, which is considered to be the origin of surround sound.
Large ventilated discs all round are supplemented by a Bosch four-channel anti-lock system.
A four-channel high-fidelity system was also installed to accommodate the increasing significance of stereophonic sound in movies.
In the meantime, the band had recorded their newly written material on a four-channel Teac cassette recorder.
The Five Doctors was recorded in four-channel stereo, but broadcast in mono.
It was subsequently released in the four-channel Quadradisc CD-4 format.
The original album was released in both conventional two-channel stereo and four-channel quadraphonic mixes.
The beefy four-wheel, four-channel anti-lock brakes confidently stop the 5,000-pound vehicle.
It is a four-channel amp.