Spatial decorrelation of the frequency domain of audio signals using a compatible method.
JP2026519547A5Pending Publication Date: 2026-07-13KONINKLIJKE PHILIPS NV
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Patent Information
- Application Number
- JP2025569507
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-05-30
- Filing Date
- 2024-05-21
- Publication Date
- 2026-07-13
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【0047】 本発明のこれら並びに他の態様、特徴及び利点は、以下に記載される実施形態を参照することで明らか且つ明瞭にされる。
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Abstract
The audio device includes a receiver 101 configured to receive a set of input audio signals segmented by a segmenter 103. For each segment, an output signal generator 105 generates an output audio signal by performing the following steps: generating a frequency bin representation of the input audio signal (201); generating a frequency bin representation of the output audio signal as a weighted combination of the frequency bin values of the input audio signal for each frequency bin (203); and converting the frequency bin representation to the time domain. An adapter 107 updates the weights for a given weight according to a correlation measure between the output frequency bin values for the generated output audio signal and the weighted input signal linked to the output audio signal. This approach typically provides improved frequency-domain adapted spatial decorrelation of the audio signal.
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