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公开(公告)号：US20190206421A1
公开(公告)日：2019-07-04
申请号：US16298788
申请日：2019-03-11
申请人： Bose Corporation
发明人： Michael Elliot , Debasmit Banerjee
CPC分类号： G10L21/04 , G10L19/26 , H04N21/4307 , H04N21/8106 , H04R29/007 , H04R2227/003 , H04R2227/005 , H04R2420/07
摘要： A method of synchronizing playback of audio data sent over a first wireless network from an audio source to a wireless speaker package that is adapted to play the audio data. The method includes comparing a first time period over which audio data was sent over the first wireless network to a second time period over which the audio data was received by the wireless speaker package, and playing the received audio data on the wireless speaker package over a third time period that is related to the comparison of the first and second time periods.
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公开(公告)号：US10332534B2
公开(公告)日：2019-06-25
申请号：US14990658
申请日：2016-01-07
发明人： Sriram Srinivasan , Ming-Chieh Lee
IPC分类号： G10L19/00 , G10L21/00 , G10L21/04 , G10L19/16 , H04L29/06 , G10L19/002 , G10L19/22 , G10L19/24 , H04L12/26 , G06F9/50
摘要： An audio stream is encoded for transmission to a receiving device via a communications channel. The to-be transmitted audio stream is received at an audio encoder executed on a processor. The processor has an amount of available processing resources. An available bandwidth of the communications channel is determined. Based on the determined bandwidth, a portion of the available processing resources is allocated to the audio encoder. The allocated portion is greater if the determined bandwidth is below a bandwidth threshold. The audio encoder encodes the audio stream using the allocated portion of processing resources, and transmits the encoded audio stream to the receiving device via the communications channel.
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公开(公告)号：US10061554B2
公开(公告)日：2018-08-28
申请号：US14643632
申请日：2015-03-10
IPC分类号： G06F17/00 , G06F3/16 , G10L15/28 , G10L21/04 , G10L19/022
CPC分类号： G06F3/165 , G06F3/162 , G10L15/28 , G10L19/022 , G10L21/04
摘要： A system and method of adjusting digital audio sampling used with wideband audio includes: performing audio sampling on an analog audio signal at an initial sampling rate and an initial bit rate over a wideband audio frequency range; generating a digital audio signal based on the audio sampling; detecting a qualitative error rate between the analog audio signal and the digital audio signal; and decreasing the initial sampling rate, the initial bit rate, or both for sampling subsequent analog audio when the qualitative error is below a threshold.
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公开(公告)号：US10026417B2
公开(公告)日：2018-07-17
申请号：US15136278
申请日：2016-04-22
申请人： OpenTV, Inc.
发明人： Kai Sun
IPC分类号： G10L21/04 , G10L21/043 , G10L25/57 , G10L25/78 , G10L15/25 , H04N21/2387 , H04N21/472 , H04N21/233 , H04N21/439
CPC分类号： G10L21/043 , G10L15/25 , G10L25/57 , G10L25/78 , H04N21/233 , H04N21/23418 , H04N21/234381 , H04N21/2387 , H04N21/439 , H04N21/44008 , H04N21/440281 , H04N21/47217 , H04N21/8456
摘要： Example embodiments provide systems and methods for accelerating digital content playback based on speech. A content acceleration system electronically accesses digital content. The system analyzes the digital content to detect at least one audio portion within the digital content, each of the at least one audio portion comprising speech. The system creates at least one digital content segment from the digital content based on the at least one audio portion, whereby a beginning of each digital content segment of the at least one digital content segment coincides with a beginning of a corresponding audio portion of the at least one audio portion. The system then accelerates playback of the digital content by fast forwarding through parts of the at least one digital content segment where speech is absent.
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公开(公告)号：US20180151191A1
公开(公告)日：2018-05-31
申请号：US15880869
申请日：2018-01-26
申请人： Bose Corporation
发明人： Michael Elliot , Debasmit Banerjee
CPC分类号： G10L21/04 , G10L19/26 , H04N21/4307 , H04N21/8106 , H04R29/007 , H04R2227/003 , H04R2227/005 , H04R2420/07
摘要： A method of synchronizing playback of audio data sent over a first wireless network from an audio source to a wireless speaker package that is adapted to play the audio data. The method includes comparing a first time period over which audio data was sent over the first wireless network to a second time period over which the audio data was received by the wireless speaker package, and playing the received audio data on the wireless speaker package over a third time period that is related to the comparison of the first and second time periods.
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公开(公告)号：US09911433B2
公开(公告)日：2018-03-06
申请号：US14848212
申请日：2015-09-08
申请人： Bose Corporation
发明人： Michael Elliot , Debasmit Banerjee
CPC分类号： G10L21/04 , G10L19/26 , H04N21/4307 , H04N21/8106 , H04R29/007 , H04R2227/003 , H04R2227/005 , H04R2420/07
摘要： A method of synchronizing playback of audio data sent over a first wireless network from an audio source to a wireless speaker package that is adapted to play the audio data. The method includes comparing a first time period over which audio data was sent over the first wireless network to a second time period over which the audio data was received by the wireless speaker package, and playing the received audio data on the wireless speaker package over a third time period that is related to the comparison of the first and second time periods.
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公开(公告)号：US09755770B2
公开(公告)日：2017-09-05
申请号：US14092874
申请日：2013-11-27
申请人： Roland Storti
发明人： Roland Storti
IPC分类号： G10L19/00 , G10L19/12 , G10L21/00 , G10L21/02 , G10L21/04 , G10L25/00 , H04H20/31 , H04H20/93 , H04H60/37 , H04H60/58
摘要： Disclosed are a method, a device and a system of generation of a modified digital media file based on encoding of a digital media file with decodable data such that the decodable data is indistinguishable through a human ear from a primary audio stream. In one embodiment, a method includes validating a user as a publisher, associating a response action to a message of the user, using a processor and a memory, generating a unique identifier through a hash function applied to the response action, encoding a digital media file with a decodable data using the unique identifier such that the decodable data is indistinguishable from a primary audio stream through a human ear, and generating a modified digital media file based on the encoding of the message with the decodable data such that the decodable data is indistinguishable from a primary audio stream through the human ear.
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公开(公告)号：US09741362B2
公开(公告)日：2017-08-22
申请号：US15226272
申请日：2016-08-02
发明人： Lars Villemoes
IPC分类号： G10L19/00 , G10L21/038 , G10L19/02 , G10L19/022 , G10L21/04 , G10L25/18 , G10L19/032
CPC分类号： G10L21/038 , G10L19/0204 , G10L19/022 , G10L19/032 , G10L21/04 , G10L25/18
摘要： The present document relates to audio source coding systems which make use of a harmonic transposition method for high frequency reconstruction (HFR), as well as to digital effect processors, e.g. exciters, where generation of harmonic distortion add brightness to the processed signal, and to time stretchers where a signal duration is prolonged with maintained spectral content. A system and method configured to generate a time stretched and/or frequency transposed signal from an input signal is described. The system comprises an analysis filterbank (101) configured to provide an analysis subband signal from the input signal; wherein the analysis subband signal comprises a plurality of complex valued analysis samples, each having a phase and a magnitude. Furthermore, the system comprises a subband processing unit (102) configured to determine a synthesis subband signal from the analysis subband signal using a subband transposition factor Q and a subband stretch factor S. The subband processing unit (102) performs a block based nonlinear processing wherein the magnitude of samples of the synthesis subband signal are determined from the magnitude of corresponding samples of the analysis subband signal and a predetermined sample of the analysis subband signal. In addition, the system comprises a synthesis filterbank (103) configured to generate the time stretched and/or frequency transposed signal from the synthesis subband signal.
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公开(公告)号：US09723357B2
公开(公告)日：2017-08-01
申请号：US10878064
申请日：2004-06-24
申请人： J. Carl Cooper , Steve Anderson
发明人： J. Carl Cooper , Steve Anderson
IPC分类号： H04N21/433 , G10L21/04 , G11B20/00 , H04B1/66 , H04N5/76 , H04N21/41 , H04N21/4147 , H04N21/422 , H04N21/431 , H04N21/482 , H04N5/44 , H04N5/775 , H04N5/783 , H04N9/804 , H04N21/47 , H04N21/472 , H04N21/485
CPC分类号： H04N21/4331 , G10L21/04 , G11B20/00007 , H04B1/662 , H04N5/4401 , H04N5/4403 , H04N5/76 , H04N5/775 , H04N5/783 , H04N9/8042 , H04N21/4126 , H04N21/4147 , H04N21/42204 , H04N21/4316 , H04N21/4333 , H04N21/47 , H04N21/47214 , H04N21/482 , H04N21/485 , H04N2005/441 , H04N2005/4428 , H04N2005/4439
摘要： The present disclosure teaches a method and apparatus for allowing a user to select and view one or multiple programs at random whenever he desires and to suspend viewing in the middle of a program to accommodate an interruption and to continue viewing after the interruption without missing any of the program. In addition, previously stored programs may be viewed at accelerated or decelerated speed, or repeated or portions reviewed, to allow the user to review such in other than real time.
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公开(公告)号：US09454965B2
公开(公告)日：2016-09-27
申请号：US14852021
申请日：2015-09-11
申请人： MModal IP LLC
发明人： Kjell Schubert , Juergen Fritsch , Michael Finke , Detlef Koll
CPC分类号： G10L15/26 , G06F17/273 , G06F17/2785 , G10L15/1807 , G10L15/22 , G10L15/265 , G10L21/04
摘要： Techniques are disclosed for facilitating the process of proofreading draft transcripts of spoken audio streams. In general, proofreading of a draft transcript is facilitated by playing back the corresponding spoken audio stream with an emphasis on those regions in the audio stream that are highly relevant or likely to have been transcribed incorrectly. Regions may be emphasized by, for example, playing them back more slowly than regions that are of low relevance and likely to have been transcribed correctly. Emphasizing those regions of the audio stream that are most important to transcribe correctly and those regions that are most likely to have been transcribed incorrectly increases the likelihood that the proofreader will accurately correct any errors in those regions, thereby improving the overall accuracy of the transcript.
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