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公开(公告)号：US11600283B2
公开(公告)日：2023-03-07
申请号：US16915904
申请日：2020-06-29
IPC分类号： G10L19/04 , G10L19/18 , G10L21/038
摘要： A codec allowing for switching between different coding modes is improved by, responsive to a switching instance, performing temporal smoothing and/or blending at a respective transition.
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公开(公告)号：US11595745B2
公开(公告)日：2023-02-28
申请号：US17320252
申请日：2021-05-14
发明人： Lei Zhang , Junjiang Fu , Bingyan Yan , Fengyun Liao , Xin Qi
IPC分类号： H04R1/34 , H04R1/02 , H04R1/10 , H04R1/24 , H04R1/28 , H04R9/06 , G06F3/16 , H04R1/26 , H04R1/44 , H04M1/03 , H04M1/78 , H04R3/02 , H04W4/80 , H04R1/22 , H04R3/00 , H04R5/02 , G10L21/038 , H04R5/033 , H04S7/00 , G02C11/00 , H04R1/38 , G10L21/0208 , G02C11/06 , G10L21/0216
摘要： The present disclosure relates to an acoustic output device including an earphone core, a controller, a Bluetooth module, and a button module. The earphone core may include at least one low-frequency acoustic driver configured to output sounds from at least two first guiding holes and at least one high-frequency acoustic driver configured to output sounds from at least two second guiding holes. The controller may be configured to direct the at least one low-frequency acoustic driver to output the sounds in a first frequency range and direct the at least one high-frequency acoustic driver to output the sounds in a second frequency range. The Bluetooth module may be configured to connect the acoustic output device with at least one terminal device. The button module may be configured to implement an interaction between a user of the acoustic output device and the acoustic output device.
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公开(公告)号：US11568880B2
公开(公告)日：2023-01-31
申请号：US17338667
申请日：2021-06-04
发明人： Kristofer Kjoerling
IPC分类号： G10L21/038 , G10L19/00 , G10L19/02
摘要： The application relates to HFR (High Frequency Reconstruction/Regeneration) of audio signals. In particular, the application relates to a method and system for performing HFR of audio signals having large variations in energy level across the low frequency range which is used to reconstruct the high frequencies of the audio signal. A system configured to generate a plurality of high frequency subband signals covering a high frequency interval from a plurality of low frequency subband signals is described. The system comprises means for receiving the plurality of low frequency subband signals; means for receiving a set of target energies, each target energy covering a different target interval within the high frequency interval and being indicative of the desired energy of one or more high frequency subband signals lying within the target interval; means for generating the plurality of high frequency subband signals from the plurality of low frequency subband signals and from a plurality of spectral gain coefficients associated with the plurality of low frequency subband signals, respectively; and means for adjusting the energy of the plurality of high frequency subband signals using the set of target energies.
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公开(公告)号：US11551704B2
公开(公告)日：2023-01-10
申请号：US16804668
申请日：2020-02-28
申请人： Staton Techiya LLC
发明人： John Usher , Dan Ellis
IPC分类号： G10L21/00 , G10L21/038
摘要： A method and device for automatically increasing the spectral bandwidth of an audio signal including generating a “mapping” (or “prediction”) matrix based on the analysis of a reference wideband signal and a reference narrowband signal, the mapping matrix being a transformation matrix to predict high frequency energy from a low frequency energy envelope, generating an energy envelope analysis of an input narrowband audio signal, generating a resynthesized noise signal by processing a random noise signal with the mapping matrix and the envelope analysis, high-pass filtering the resynthesized noise signal, and summing the high-pass filtered resynthesized noise signal with the original an input narrowband audio signal. Other embodiments are disclosed.
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公开(公告)号：US11540038B2
公开(公告)日：2022-12-27
申请号：US17169468
申请日：2021-02-07
发明人： Lei Zhang , Junjiang Fu , Bingyan Yan , Fengyun Liao , Xin Qi
IPC分类号： H04R1/10 , H04R1/02 , H04R1/26 , H04R1/44 , G06F3/16 , H04M1/03 , H04M1/78 , H04R1/24 , H04R1/28 , H04R3/02 , H04R1/34 , H04W4/80 , H04R1/22 , H04R3/00 , H04R5/02 , G10L21/038 , H04R5/033 , H04S7/00 , G02C11/00 , H04R1/38 , H04R9/06 , G10L21/0208 , G02C11/06 , G10L21/0216
摘要： The present disclosure may provide an acoustic device. The acoustic device may include a housing, at least one low-frequency acoustic driver, at least one high-frequency acoustic driver, and a noise reduction assembly. The housing may be configured to be rested on a shoulder of a user. The at least one low-frequency acoustic driver may be carried by the housing and configured to output first sound from at least two first sound guiding holes. The at least one high-frequency acoustic driver may be carried by the housing and configured to output second sound from at least two second sound guiding holes. The noise reduction assembly may be configured to receive third sound and reduce noise of the third sound.
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公开(公告)号：US11540037B2
公开(公告)日：2022-12-27
申请号：US17169467
申请日：2021-02-07
发明人： Lei Zhang , Junjiang Fu , Bingyan Yan , Fengyun Liao , Xin Qi
IPC分类号： H04R1/10 , H04R1/02 , H04R1/26 , H04R1/44 , G06F3/16 , H04M1/03 , H04M1/78 , H04R1/24 , H04R1/28 , H04R3/02 , H04R1/34 , H04W4/80 , H04R1/22 , H04R3/00 , H04R5/02 , G10L21/038 , H04R5/033 , H04S7/00 , G02C11/00 , H04R1/38 , H04R9/06 , G10L21/0208 , G02C11/06 , G10L21/0216
摘要： The present disclosure relates to a waterproof open earphone. The waterproof open earphone may include a housing, at least one button, at least one elastic pad, and at least one pair of speaker units. The housing may be placed on a head or at least one ear of a user while not blocking an ear canal of the user. The at least one button may be set on the housing, wherein each of the at least one button corresponds to a button hole. The at least one elastic pad may correspond to the at least one button, respectively, wherein each elastic pad prevents the corresponding button from moving relative to the button hole. Each pair of the at least one pair of speaker units may generate sound within a frequency range from two sound guiding holes through two sound guiding tubes.
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公开(公告)号：US20220408172A1
公开(公告)日：2022-12-22
申请号：US17820886
申请日：2022-08-19
发明人： Lei ZHANG , Junjiang FU , Bingyan YAN , Fengyun LIAO , Xin QI
IPC分类号： H04R1/10 , H04R1/02 , H04R1/26 , H04R1/44 , G06F3/16 , H04M1/03 , H04M1/78 , H04R1/24 , H04R1/28 , H04R3/02 , H04R1/34 , H04W4/80 , H04R1/22 , H04R3/00 , H04R5/02 , G10L21/038 , H04R5/033 , H04S7/00 , G02C11/00 , H04R1/38 , H04R9/06 , G10L21/0208
摘要： The present disclosure relates to an acoustic output apparatus. The acoustic output apparatus comprising: at least one low-frequency acoustic driver that outputs sound from at least two first sound guiding holes; at least one high-frequency acoustic driver that outputs sound from at least two second sound guiding holes; and a controller configured to cause the low-frequency acoustic driver to output sound in a first frequency range, and cause the high-frequency acoustic driver to output sound in a second frequency range, wherein the second frequency range includes frequencies higher than the first frequency range.
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公开(公告)号：US11490188B2
公开(公告)日：2022-11-01
申请号：US17233526
申请日：2021-04-18
发明人： Lei Zhang , Junjiang Fu , Bingyan Yan , Fengyun Liao , Xin Qi
IPC分类号： H04R1/02 , H04R1/10 , H04R3/00 , H04R1/26 , H04R1/44 , G06F3/16 , H04M1/03 , H04M1/78 , H04R1/24 , H04R1/28 , H04R3/02 , H04R1/34 , H04W4/80 , H04R1/22 , H04R5/02 , G10L21/038 , H04R5/033 , H04S7/00 , G02C11/00 , H04R1/38 , H04R9/06 , G10L21/0208 , G02C11/06 , G10L21/0216
摘要： The present disclosure relates to an acoustic output device. The acoustic output device may include an earphone core, a controller, a power source, and a flexible circuit board. The earphone core may include at least one low-frequency acoustic driver configured to output sounds from at least two first guiding holes and the at least one high-frequency acoustic driver configured to output sounds from at least two second guiding holes. The controller may be configured to direct the at least one low-frequency acoustic driver to output the sounds in a first frequency range and direct the at least one high-frequency acoustic driver to output the sounds in a second frequency range. The power source may be configured to provide power supply for the earphone core. The flexible circuit board may be configured to connect the earphone core with the power source.
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公开(公告)号：US20220293115A1
公开(公告)日：2022-09-15
申请号：US17831080
申请日：2022-06-02
发明人： Lars Villemoes , Heiko Purnhagen , Per Ekstrand
IPC分类号： G10L19/16 , G10L19/035 , G10L19/24 , G10L21/038
摘要： Embodiments relate to an audio processing unit that includes a buffer, bitstream payload deformatter, and a decoding subsystem. The buffer stores at least one block of an encoded audio bitstream. The block includes a fill element that begins with an identifier followed by fill data. The fill data includes at least one flag identifying whether enhanced spectral band replication (eSBR) processing is to be performed on audio content of the block. A corresponding method for decoding an encoded audio bitstream is also provided.
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公开(公告)号：US11445281B2
公开(公告)日：2022-09-13
申请号：US17141264
申请日：2021-01-05
发明人： Lei Zhang , Junjiang Fu , Bingyan Yan , Fengyun Liao , Xin Qi
IPC分类号： H04R1/10 , H04R3/00 , H04R1/02 , H04R1/26 , H04R1/44 , G06F3/16 , H04M1/03 , H04M1/78 , H04R1/24 , H04R1/28 , H04R3/02 , H04R1/34 , H04W4/80 , H04R1/22 , H04R5/02 , G10L21/038 , H04R5/033 , H04S7/00 , G02C11/00 , H04R1/38 , H04R9/06 , G10L21/0208 , G02C11/06 , G10L21/0216
摘要： The present disclosure relates to an acoustic output apparatus. The acoustic output apparatus comprising: at least one low-frequency acoustic driver that outputs sound from at least two first sound guiding holes; at least one high-frequency acoustic driver that outputs sound from at least two second sound guiding holes; and a controller configured to cause the low-frequency acoustic driver to output sound in a first frequency range, and cause the high-frequency acoustic driver to output sound in a second frequency range, wherein the second frequency range includes frequencies higher than the first frequency range.
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