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Title: US5544228: Method and apparatus for transmission of full frequency digital audio
[ Derwent Title ]

Country: US United States of America

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11 pages

Inventor: Wagner, Byron D.; Sherman Oaks, CA
Johnson, Von W.; Burbank, CA
Miller, Jeffrey S.; Agoura, CA
Dempsey, Richard T.; Canyon Court, CA

Assignee: The Walt Disney Company, Burbank, CA
other patents from WALT DISNEY COMPANY (617665) (approx. 101)
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Published / Filed: 1996-08-06 / 1993-09-27

Application Number: US1993000127586

IPC Code: Advanced: H04H 1/00; H04Q 11/04;
Core: more...
IPC-7: H04M 1/64;

ECLA Code: H04Q11/04S1;

U.S. Class: Current: 379/067.1; 379/101.01; 379/202.01; 434/308; 434/323; 704/235; 704/239;
Original: 379/067; 379/102; 379/202; 395/002.44; 395/002.48; 434/308; 434/323;

Field of Search: 379/067,93,101,100,202,88,89,102 370/110.1,62,61 395/244,2.45,2.48 324/76.15,76.24,76.35,76.42 434/156,157,118,185,307,308,323,362

Priority Number:
1993-09-27  US1993000127586

Abstract:     The present invention is a method for transmitting full frequency digital audio signals over a network in real time and for providing access to a remote sound server. The present invention is preferably practiced using ISDN and is useful for remote casting auditions and for other communications. The present invention allows two or more sites on a network to communicate simultaneously. Live high-fidelity audio may be stored locally and/or transmitted to another site. At the other site, the audio may be stored and/or reproduced in high fidelity. Sound samples may be retrieved from a sound sample server and transmitted in high fidelity in real time over the network.

Attorney, Agent or Firm: Hecker & Harriman ;

Primary / Asst. Examiners: Hofsass, Jefferey; Tsang, Fan

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 24 claims
We claim:     1. A system comprising:
  • a network for transmitting digital information;
  • a plurality of sites coupled to said network, said plurality of sites comprising:
  • an audio source for providing an analog audio input signal;
  • a speaker for reproducing an analog audio output signal;
  • analog-to-digital conversion means coupled to said audio source for converting said analog audio input signal to a digital audio input signal;
  • a data compression means coupled to said analog-to-digital conversion means to convert said digital audio input signal to a compressed digital audio input signal;
  • digital-to-analog conversion means coupled to said speaker for providing said analog audio output signal to said speaker;
  • a first network interface means coupled to said data compression means, said first network interface means for transmitting said compressed digital audio input signal to said network;
  • a second network interface means coupled to said network for receiving said compressed digital audio input signal from said network:
  • digital audio storage means coupled to said second network interface means;
  • wherein said analog audio input signal is converted by said analog-to-digital conversion means to said digital audio input signal, and wherein said digital audio input signal is converted to said compressed digital audio input signal and transmitted by said network to said digital audio storage means for storage therein, and wherein said digital audio storage means retrieves said compressed digital audio input signal, wherein said compressed digital audio input signal is converted to said analog audio output signal by said digital-to-analog conversion means, and wherein said speaker reproduces said analog audio output signal.

Background / Summary: Show background / summary

Drawing Descriptions: Show drawing descriptions

Description: Show description

Forward References: Show 32 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (32)   |   Backward references (9)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 23pp US3896266  1975-07 Waterbury   Credit and other security cards and card utilization systems therefore
Get PDF - 13pp US4015087  1977-03 Stewart  Center for Communications Research, Inc. Spectrograph apparatus for analyzing and displaying speech signals
Get PDF - 24pp US4916726  1990-04 Morley, Jr. et al.  American Tel-A-System, Inc. Telephone answering service with integrated voice and textual message storage
Get PDF - 11pp US4950999  1990-04 Angello et al.   Self-contained, real-time spectrum analyzer
Get PDF - 101pp US5003577  1991-03 Ertz et al.  AT&T Bell Laboratories Voice and data interface to a voice-mail service system
Get PDF - 9pp US5036513  1991-07 Greenblatt  Academy of Applied Science Method of and apparatus for integrated voice (audio) communication simultaneously with "under voice" user-transparent digital data between telephone instruments
Get PDF - 10pp US5130792  1992-07 Tindell et al.  USA Video Inc. Store and forward video system
Get PDF - 26pp US5214650  1993-05 Renner et al.  AG Communication Systems Corporation Simultaneous voice and data system using the existing two-wire inter-face
Get PDF - 24pp US5381412  1995-01 Otani  Canon Kabushiki Kaisha Multimedia communication apparatus
Foreign References: None

Other Abstract Info: DERABS G96-370960 DERG96-370960

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