Proof-of-Concept Evidence
There are more than one hundred instances of patent applications or granted patents relating to the field of digital audio transitioning.
In March of 2016, Codentity® LLC was granted a United States patent (9,286,942) entitled:
Automatic calculation of digital media content durations optimized for overlapping or adjoined transitions
When you compare the difference in disclosed methodologies, it is possible to understand WHY and HOW the teachings of the Codentity patent (U.S. 9,286,942) produce outcomes that consistently surpass the capabilities of methods defended by other applicants.
Is the Codentity® Transition Technology patent truly different—and does it provide a demonstrably more effective method for delivering the desired 'gapless playback' experience?
Q:
A:
Yes.
Potential Scope of Commercial Market
Presented here is a partial list of applications or patents discovered by searching the term 'gapless playback' (at patents.google.com). By reviewing the material published at the corresponding links, one can envision the potential scope of the market; and also see evidence of the serious investment already made by many of the leading companies in this market sector.
DECLARATION: Except where Codentity LLC ("Codentity") is noted as the assignee, all other patent assets, trademarks, and copyrights are the property of their respective owners. The information in this table is published as a comparison aid, and in the form of suggested reference material. Codentity claims no association with any corporate name or other entity on this list, and no association or business relationship of any kind should be inferred by the reader. Furthermore, no endorsement of Codentity products or services has been made by any party listed here, and the reader is cautioned not to assume an endorsement may occur at some future date.
Table of Field Related IP Assets
As ingenious as the carefully-crafted patent designs from other companies are, ONLY the Codentity® patent reliably produces natural 'gapless playback' transitions consistently, automatically—and WITHOUT compromises. Compare methodologies.
Patent US 9,286,942
Automatic calculation of digital media content durations optimized for overlapping or adjoined transitions
Assignee
Date
Codentity LLC
March 15, 2016
Abstract
A unified digital media player control apparatus automatically reproduces (i.e., renders) gapless transitions, as suitably adjoined or concurrently-overlapping events, between a discrete first media file (e.g., sound recording) and a discrete second media file. One embodiment is implemented on a computing device with a graphical user interface and access to a library of digital media files. Logic can distinguish between the production sound design of recordings which have a desirable "creative content" duration (i.e., interval) that will resolve either abruptly or with a gradual fade. Responsive to media file content assessments...
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Codentity vs Market Leaders
Patent US 8,374,712
Gapless audio playback
Assignee
Date
Microsoft Technology Licensing LLC
February 12, 2013
Abstract
Various embodiments related to the performance of gapless audio playback of two or more audio tracks are provided. One disclosed embodiment provides a method of performing gapless audio playback comprising rendering a plurality of samples of a current audio track via a current filter graph, and notifying an end-of-stream soon event via a current filter graph. Upon detecting the end-of-stream soon event...
Patent US 8,060,637
Playback apparatus and playback control method
Assignee
Date
Sony Corporation
November 15, 2011
Abstract
In a playback apparatus adapted to receive stream data transmitted from a server and play back the received stream data, attribute information is sequentially received from the server and stored in an attribute information buffer, and, on the basis of the attribute information stored in the attribute information buffer, a request is issued to the server to transmit stream data corresponding to the attribute information. The stream data received from the server is sequentially stored in a first-in-first-out stream data buffer...
Patent US 8,190,441
Playback of compressed media files without quantization gaps
Assignee
Date
Apple Inc.
May 29, 2012
Abstract
Playback by a decoder of a lossy compressed digital media file without quantization gaps, wherein the digital media file is formed of a number of audio samples grouped into a corresponding number of audio frames. As a method, the invention is carried out by identifying an encoder used to compress the digital media file; obtaining an encoder delay value for the identified encoder; obtaining a decoder delay value for the decoder; determining a audio sample count corresponding to a last valid audio sample...
Patent US 9,111,524
Seamless playback of successive multimedia files
Assignee
Date
Dolby International AB
August 18, 2015
Abstract
The present document relates to methods and systems for encoding and decoding multimedia files. In particular, the present document relates to methods and systems for encoding and decoding a plurality of audio tracks for seamless playback of the plurality of audio tracks. A method for encoding an audio signal comprising a first and a directly following second audio track for seamless and individual playback of the first and second audio tracks is described. The first and second audio tracks comprise a first and second plurality of audio frames, respectively. The method comprises jointly encoding the audio signal using a frame based audio encoder, thereby yielding a continuous sequence of encoded frames; extracting a first plurality of encoded frames...
Patent US 9,282,403
Seamless playback of successive multimedia files
Assignee
Date
Amazon Technologies, Inc
March 8, 2016
Abstract
A computing system for selecting and providing content items to a device. The device is configured to output a first content item to a user and to detect events related to the output of the first content item and, in response, to provide a notification to a cloud service related to the event. The device is further configured to receive at least a second content item from the cloud services and to buffer the second content item while outputting the first content item.
Patent US 9,124,235
Media content management and presentation systems and methods
Assignee
Date
Verizon Patent Licensing Inc.
September 1, 2015
Abstract
Exemplary media content management and presentation systems and methods are described herein. An exemplary method includes a media content presentation system linking together multiple media content instances, playing back or managing a playlist that includes the linked media content instances, and processing the linked media content instances as a block of linked media content instances within the playing back or managing of the playlist. Another exemplary method includes a media content presentation system playing back a media content instance for experiencing by a user, presenting a playback user interface in conjunction with the playing back of the media content instance, and providing, within the playback user interface, one or more media management tools configured for use by the user to manage the media content instance...
Patent Application JP2005373783A
Music player, reproduction control method, and program
Assignee
Date
Kenwood Corporation (of Japan)
July 12, 2007
Abstract
PROBLEM TO BE SOLVED: To provide a music player capable of properly and continuously reproducing music data converted from music sources having no interval.
SOLUTION: To determine the continuity of adjacent music data, a control unit 10 compares the section average volume value of the tail part of music data to be reproduced first with the section average volume value of the head part of music data to be reproduced next. When it is determined that the section average volume values are equal to each other, and so there is continuity between the music data, the control unit 10 deletes a silent part added to the tail of the music data to be reproduced first or a silent part...
Codentity
Microsoft
Sony
Apple
Dolby
Amazon
Verizon
Kenwood
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