JP2019021350A - 低周波数効果ハプティック変換システム - Google Patents
低周波数効果ハプティック変換システム Download PDFInfo
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- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- G—PHYSICS
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- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
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- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
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- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
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- H—ELECTRICITY
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- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
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- H—ELECTRICITY
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Abstract
Description
本願は、2013年5月17日に提出された米国特許仮出願第61/824,442号の優先権を主張するものである(その開示は、参照により本明細書に援用される)。
表1−合成の方法
追加合成−入力を合成し、一般的な方法で大きさを変化させる
減法合成−複雑な信号又は複数の信号入力をフィルタリング
周波数変調合成−1又はそれ以上のオペレータにより搬送波信号を変調
サンプリング−変更を前提とする入力ソースとして記録された入力を用いる
混合合成−結果としての“新たな”入力を達成するために人為的かつサンプリングされた入力を用いる
位相歪み−再生時にウェーブテーブルに記憶される波形の速度を変える
波形整形−変更された結果を生成するために信号を意図的に歪める
再合成−再生前にデジタルサンプリングされた入力を変更
粒状合成−いくつかの小さな入力セグメントを新たな入力に組み合わせる
線形予測コーディング−音声合成のために用いられるのと同様の技術
ダイレクトデジタル合成−生成された波形のコンピュータ変更
ウェーブシーケンシング−新たな入力を生成するためにいくつかの小さなセグメントの線形結合
ベクトル合成−任意の数の異なる入力ソースをフェードする技術
物理モデリング−バーチャルモーションの物理特性の数学的な式
Claims (15)
- 一又はそれ以上のハプティック効果を生成するコンピュータ実装方法であって、前記生成は、
低周波数効果オーディオ信号を含むオーディオ信号を受信するステップと、
前記オーディオ信号から前記低周波数効果オーディオ信号を抽出するステップと、
前記低周波数効果オーディオ信号の一又はそれ以上の周波数を、ハプティック出力装置の対象となる周波数範囲内の一又はそれ以上の周波数にシフトすることにより、前記低周波数効果オーディオ信号をハプティック信号へ変換するステップと、
前記ハプティック信号を前記ハプティック出力装置へ送信するステップと、を備え、前記ハプティック信号は、前記ハプティック出力装置に一又はそれ以上のハプティック効果を出力させる、コンピュータ実装方法。 - 前記ハプティック信号は、リアルタイムで前記ハプティック出力装置へ送信される請求項1に記載のコンピュータ実装方法。
- ファイルのコンテナ内の前記ハプティック信号をエンコードするステップをさらに備える請求項1に記載のコンピュータ実装方法。
- 前記低周波数効果オーディオ信号内の前記ハプティック信号をエンコードするステップをさらに備える請求項1に記載のコンピュータ実装方法。
- 前記ハプティック信号を前記ハプティック出力装置の対象となる駆動周波数へリサンプリングするステップをさらに備える請求項1に記載のコンピュータ実装方法。
- 前記オーディオ信号をダウンミキシングするステップをさらに備える請求項1に記載のコンピュータ実装方法。
- 前記低周波数効果オーディオ信号の前記一又はそれ以上の周波数は、限定された周波数範囲内にある請求項1に記載のコンピュータ実装方法。
- 前記限定された周波数範囲は、20Hz−120Hzの範囲を含む請求項7に記載のコンピュータ実装方法。
- 前記低周波数効果オーディオ信号の前記一又はそれ以上の周波数をシフトすることは、前記限定された周波数範囲外の前記低周波数効果オーディオ信号の前記一又はそれ以上の周波数をシフトすることをさらに備える請求項7に記載のコンピュータ実装方法。
- 前記低周波数効果オーディオ信号の前記一又はそれ以上の周波数をシフトすることは、前記限定された周波数範囲から完全に外れた前記低周波数効果オーディオ信号の前記一又はそれ以上の周波数をシフトすることをさらに備える請求項7に記載のコンピュータ実装方法。
- 一又はそれ以上のハプティック効果を生成するシステムであって、
低周波数効果変換モジュールを記憶するように構成されるメモリと、
前記メモリに記憶される前記低周波数効果変換モジュールを実行するように構成されるプロセッサと、を備え、
前記低周波数効果変換モジュールは、低周波数効果オーディオ信号を含むオーディオ信号を受信するように構成され、
前記低周波数効果変換モジュールは、さらに、前記オーディオ信号から前記低周波数効果オーディオ信号を抽出するように構成され、
前記低周波数効果変換モジュールは、さらに、前記低周波数効果オーディオ信号のピッチをハプティック出力装置の対象となるピッチ範囲内のピッチにシフトすることにより、前記低周波数効果オーディオ信号をハプティック信号へ変換するように構成され、
前記低周波数効果変換モジュールは、さらに、前記ハプティック信号を前記ハプティック出力装置へ送信するように構成され、前記ハプティック信号は、前記ハプティック出力装置に一又はそれ以上のハプティック効果を出力させる、システム。 - 前記低周波数効果変換モジュールは、さらに、前記ハプティック信号を前記ハプティック出力装置の対象となる駆動周波数へリサンプリングするように構成される請求項11に記載のシステム。
- 前記低周波数効果オーディオ信号のピッチは、限定されたピッチ範囲内にある請求項11に記載のシステム。
- 前記低周波数効果変換モジュールは、さらに、前記限定されたピッチ範囲外の前記低周波数効果オーディオ信号のピッチをシフトするように構成される請求項13に記載のシステム。
- プロセッサによって実行されたときに、前記プロセッサに請求項1から10のいずれか一項に記載の方法を実行させる命令を有するコンピュータ可読媒体。
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US201361824442P | 2013-05-17 | 2013-05-17 | |
US61/824,442 | 2013-05-17 | ||
US14/277,870 US9519346B2 (en) | 2013-05-17 | 2014-05-15 | Low-frequency effects haptic conversion system |
US14/277,870 | 2014-05-15 |
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JP2018129783A Expired - Fee Related JP6434669B2 (ja) | 2013-05-17 | 2018-07-09 | 低周波数効果ハプティック変換システム |
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