Television – Two-way video and voice communication – User positioning
Patent
1995-06-06
1997-02-25
Kostak, Victor R.
Television
Two-way video and voice communication
User positioning
348423, H04N 714
Patent
active
056063628
ABSTRACT:
A variable bit rate audio information transmitting apparatus, and a method therefor, are disclosed in which a bit rate is properly increased or decreased in accordance with the amount of audio information and by taking a fixed bit transmitting rate as a reference, so that the data rate can be adjusted in accordance with the importance of the audio information. The data bit amount of the currently inputted frames are computed to compare with a fixed bit allocation amount, and surplus bits and dummy data are properly allocated to the compared result, so that the bit amount allocated to the inputted data amount can be varied in transmitting the signals. The bit distribution is efficiently carried out through bit amount variation adjustment in accordance with the amount of sound source. Therefore the sound quality is improved, the deterioration of the sound quality is reduced, and the audio data is reduced. Further, the amount of the dummy data is reduced within the bit stream so that the bit utilization can be improved.
REFERENCES:
patent: 5231492 (1993-07-01), Dangi et al.
patent: 5278909 (1994-01-01), Edgar
patent: 5365265 (1994-11-01), Shibata et al.
patent: 5481543 (1996-01-01), Veltman
Hyundai Electronics Industries Co,. Ltd.
Kostak Victor R.
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