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公开(公告)号：US20210090585A1
公开(公告)日：2021-03-25
申请号：US17113479
申请日：2020-12-07
IPC分类号： G10L19/16 , H04N19/625 , H04N19/44 , H04B1/66 , H04B3/20 , G10L19/025 , G10L19/00 , G10L19/032 , G10L19/008 , G10L19/02 , H04L29/06 , H04N21/233 , H03H17/02 , H04B3/21
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US12080303B2
公开(公告)日：2024-09-03
申请号：US18514393
申请日：2023-11-20
IPC分类号： G10L19/025 , G10L19/00 , G10L19/008 , G10L19/02 , G10L19/032 , G10L19/16 , H03H17/02 , H04B1/66 , H04B3/20 , H04B3/21 , H04L65/70 , H04L65/75 , H04N19/44 , H04N19/625 , H04N21/233
CPC分类号： G10L19/025 , G10L19/0017 , G10L19/008 , G10L19/0204 , G10L19/032 , G10L19/167 , H03H17/0272 , H04B1/667 , H04B3/20 , H04B3/21 , H04L65/70 , H04L65/75 , H04N19/45 , H04N19/625 , H04N21/233 , G10L19/0212
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events.
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公开(公告)号：US20240087583A1
公开(公告)日：2024-03-14
申请号：US18514393
申请日：2023-11-20
IPC分类号： G10L19/025 , G10L19/00 , G10L19/008 , G10L19/02 , G10L19/032 , G10L19/16 , H03H17/02 , H04B1/66 , H04B3/20 , H04B3/21 , H04L65/70 , H04L65/75 , H04N19/44 , H04N19/625 , H04N21/233
CPC分类号： G10L19/025 , G10L19/0017 , G10L19/008 , G10L19/0204 , G10L19/032 , G10L19/167 , H03H17/0272 , H04B1/667 , H04B3/20 , H04B3/21 , H04L65/70 , H04L65/75 , H04N19/45 , H04N19/625 , H04N21/233 , G10L19/0212
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US11289108B2
公开(公告)日：2022-03-29
申请号：US17113479
申请日：2020-12-07
IPC分类号： H04B3/20 , G10L19/16 , H04N19/625 , H04N19/44 , H04B1/66 , G10L19/025 , G10L19/00 , G10L19/032 , G10L19/008 , G10L19/02 , H04L65/60 , H04N21/233 , H03H17/02 , H04B3/21
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US20190279653A1
公开(公告)日：2019-09-12
申请号：US16423834
申请日：2019-05-28
IPC分类号： G10L19/16 , H04B3/20 , G10L19/02 , H04N19/44 , H04N19/625 , G10L19/032 , G10L19/00 , G10L19/025 , H04B1/66 , H04N21/233 , H04B3/21 , H04L29/06 , H03H17/02
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US20230162747A1
公开(公告)日：2023-05-25
申请号：US18100275
申请日：2023-01-23
IPC分类号： G10L19/16 , H04N19/625 , H04N19/44 , H04B1/66 , H04B3/20 , G10L19/025 , G10L19/00 , G10L19/032 , H04L65/70 , H04L65/75 , G10L19/008 , G10L19/02 , H04N21/233 , H03H17/02 , H04B3/21
CPC分类号： G10L19/167 , H04N19/625 , H04N19/45 , H04B1/667 , H04B3/20 , G10L19/025 , G10L19/0017 , G10L19/032 , H04L65/70 , H04L65/75 , G10L19/008 , G10L19/0204 , H04N21/233 , H03H17/0272 , H04B3/21 , G10L19/0212
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US20220223164A1
公开(公告)日：2022-07-14
申请号：US17707133
申请日：2022-03-29
IPC分类号： G10L19/16 , H04N19/625 , H04N19/44 , H04B1/66 , H04B3/20 , G10L19/025 , G10L19/00 , G10L19/032 , G10L19/008 , G10L19/02 , H04L65/60 , H04N21/233 , H03H17/02 , H04B3/21
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US10861474B2
公开(公告)日：2020-12-08
申请号：US16423834
申请日：2019-05-28
IPC分类号： H04B3/20 , G10L19/16 , H04N19/625 , H04N19/44 , H04B1/66 , G10L19/025 , G10L19/00 , G10L19/032 , G10L19/008 , G10L19/02 , H04L29/06 , H04N21/233 , H03H17/02 , H04B3/21
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US11823691B2
公开(公告)日：2023-11-21
申请号：US18100275
申请日：2023-01-23
IPC分类号： G10L19/025 , G10L19/16 , H04N19/625 , H04N19/44 , H04B1/66 , H04B3/20 , G10L19/00 , G10L19/032 , H04L65/70 , H04L65/75 , G10L19/008 , G10L19/02 , H04N21/233 , H03H17/02 , H04B3/21
CPC分类号： G10L19/025 , G10L19/008 , G10L19/0017 , G10L19/0204 , G10L19/032 , G10L19/167 , H03H17/0272 , H04B1/667 , H04B3/20 , H04B3/21 , H04L65/70 , H04L65/75 , H04N19/45 , H04N19/625 , H04N21/233 , G10L19/0212
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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公开(公告)号：US11562758B2
公开(公告)日：2023-01-24
申请号：US17707133
申请日：2022-03-29
IPC分类号： G10L19/16 , H04N19/625 , H04N19/44 , H04B1/66 , H04B3/20 , G10L19/025 , G10L19/00 , G10L19/032 , H04L65/70 , H04L65/75 , G10L19/008 , G10L19/02 , H04N21/233 , H03H17/02 , H04B3/21
摘要： An encoder operable to filter audio signals into a plurality of frequency band components, generate quantized digital components for each band, identify a potential for pre-echo events within the generated quantized digital components, generate an approximate signal by decoding the quantized digital components using inverse pulse code modulation, generate an error signal by comparing the approximate signal with the sampled audio signal, and process the error signal and quantized digital components. The encoder operable to process the error signal by processing delayed audio signals and Q band values, determining the potential for pre-echo events from the Q band values, and determining scale factors and MDCT block sizes for the potential for pre-echo events. The encoder operable to transform the error signal into high resolution frequency components using the MDCT block sizes, quantize the scale factors and frequency components, and encode the quantized lines, block sizes, and quantized scale factors for inclusion in the bitstream.
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