Information theory forms basis for Sharp's 1-bit encoding system
Article Abstract:
Sharp Corp's SM-SX100 amplifiers, which began shipping in Aug 1999, was developed based on 1-bit encoding technology. The system, a deviation from the usual pulse code modulation system used in compact disc formats, uses delta modulation coding to transform analog signals into 1-bit signals. Sharp, which has received a number of awards and accolades for its SM- SX100 amplifier, is confident that the device will find further use for audio equipment requiring superior sound quality.
Publication Name: Journal of the Electronics Industry
Subject: Electronics and electrical industries
ISSN: 0385-4515
Year: 2000
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DSP-R795a, DSP-A595a A/V amplifiers
Article Abstract:
Yamaha Corp's Y75,000 DSP-R795a audio-video amplifier adopts the firm's original three-sound-field Cinema DSP circuit, joining Digital Theater System, Dolby ProLogic and Dolby Digital circuits. Costing Y13,000 less than its predecessor, the gold-toned amplifier features three S terminals compared with the previous model's two terminals. Meanwhile, Yamaha's Y53,000 DSP-A595a audio-video amplifier incorporates a DTS decoder that could not be found from the its predecessor.
Publication Name: Journal of the Electronics Industry
Subject: Electronics and electrical industries
ISSN: 0385-4515
Year: 1999
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SU-A707, SU-A808 stereo amplifiers
Article Abstract:
Matsushita Electric Industrial Company Ltd's Y74,800 SU-A808 and Y54,800 SU-A707 stereo amplifiers incorporate the company's low-noise Variable Gain Control Amplifier to reproduce data across the broad dynamic range of DVD audio and to reach 114dB S/N ratios. To suppress noise from magnetic flux leakage, both products employ an R-format core transformer. The A808 and A707 models weigh 8.3kg and 7.4kg, respectively.
Publication Name: Journal of the Electronics Industry
Subject: Electronics and electrical industries
ISSN: 0385-4515
Year: 1999
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