Progressively generating an output stream with realtime properties from a representation of the output stream which is not monotonic with regard to time

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6317123
SERIAL NO

08716949

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Abstract

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A technique for reducing delay in generating an output stream with real-time characteristics from a serially-received representation of the output stream that is not monotonic with regard to time. One application of the technique is generating a MIDI stream from a multi-track MIDI file. The MIDI stream is generated from the first track while the remainder of the MIDI file is being received. As a point in each further track to be received is reached that corresponds to the point in the first track at which the MIDI stream is currently being generated, the MIDI stream is generated from that track as well. The listener thus at first hears only the first track to be received; as the others come in, he hears them as well. To ensure that the synthesizer which is responding to the output stream for the most recent track to be added does so correctly, the technique outputs control event messages but not note on and note off event messages from the part of the most recent track which precedes the point in the most recent track that corresponds to the point reached in the first track.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LIVE UPDATE, INC.WILMINGTON, MA0

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Moline, William A N. Reading, MA 3 132

Cited Art Landscape

Patent Info (Count) # Cites Year
 
SUNHAWK DIGITAL MUSIC, LLC (1)
* 5773741 Method and apparatus for nonsequential storage of and access to digital musical score and performance information 30 1996
 
APPLE INC. (1)
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Opcode Systems, Inc. (1)
* 5792971 Method and system for editing digital audio information with music-like parameters 167 1996
 
SAMSUNG ELECTRONICS CO., LTD. (1)
5524051 Method and system for audio information dissemination using various modes of transmission 197 1994
 
LENOVO (SINGAPORE) PTE. LTD. (2)
* 5487167 Personal computer with generalized data streaming apparatus for multimedia devices 371 1994
* 5630132 Method and apparatus for facilitating real-time and asynchronous loading and temporally-overlapping of modular multimedia software tasks in a multimedia data processing system 26 1995
 
MACROVISION CORPORATION (1)
5058159 Method and system for scrambling and descrambling audio information signals 13 1989
 
BEATNIK, INC. (1)
* 5734119 Method for streaming transmission of compressed music 261 1996
 
MAKEMUSISC! INC. (1)
5491751 Intelligent accompaniment apparatus and method 22 1995
 
Roland Europe S.p.A. (1)
* 5679913 Electronic apparatus for the automatic composition and reproduction of musical data 16 1996
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
5617476 Audio scrambling system for scrambling and descrambling audio signals 9 1994
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
YAMAHA CORPORATION (1)
* 6620993 Automatic play apparatus and function expansion device 2 2000
* Cited By Examiner