PL406948A1 - Sposób i system dekompozycji sygnału akustycznego na obiekty dźwiękowe, obiekt dźwiękowy oraz jego zastosowanie - Google Patents

Sposób i system dekompozycji sygnału akustycznego na obiekty dźwiękowe, obiekt dźwiękowy oraz jego zastosowanie

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Publication number
PL406948A1
PL406948A1 PL406948A PL40694814A PL406948A1 PL 406948 A1 PL406948 A1 PL 406948A1 PL 406948 A PL406948 A PL 406948A PL 40694814 A PL40694814 A PL 40694814A PL 406948 A1 PL406948 A1 PL 406948A1
Authority
PL
Poland
Prior art keywords
filter
sound objects
filter bank
sound
objects
Prior art date
Application number
PL406948A
Other languages
English (en)
Other versions
PL231399B1 (pl
Inventor
Adam Pluta
Original Assignee
Adam Pluta
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Adam Pluta filed Critical Adam Pluta
Priority to PL406948A priority Critical patent/PL231399B1/pl
Priority to PCT/IB2015/050572 priority patent/WO2015111014A1/en
Publication of PL406948A1 publication Critical patent/PL406948A1/pl
Publication of PL231399B1 publication Critical patent/PL231399B1/pl

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272—Voice signal separating
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/061—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for extraction of musical phrases, isolation of musically relevant segments, e.g. musical thumbnail generation, or for temporal structure analysis of a musical piece, e.g. determination of the movement sequence of a musical work
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/066—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for pitch analysis as part of wider processing for musical purposes, e.g. transcription, musical performance evaluation; Pitch recognition, e.g. in polyphonic sounds; Estimation or use of missing fundamental
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/091—Graphical user interface [GUI] specifically adapted for electrophonic musical instruments, e.g. interactive musical displays, musical instrument icons or menus; Details of user interactions therewith
    • G10H2220/101—Graphical user interface [GUI] specifically adapted for electrophonic musical instruments, e.g. interactive musical displays, musical instrument icons or menus; Details of user interactions therewith for graphical creation, edition or control of musical data or parameters
    • G10H2220/126—Graphical user interface [GUI] specifically adapted for electrophonic musical instruments, e.g. interactive musical displays, musical instrument icons or menus; Details of user interactions therewith for graphical creation, edition or control of musical data or parameters for graphical editing of individual notes, parts or phrases represented as variable length segments on a 2D or 3D representation, e.g. graphical edition of musical collage, remix files or pianoroll representations of MIDI-like files
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/121—Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
    • G10H2240/145—Sound library, i.e. involving the specific use of a musical database as a sound bank or wavetable; indexing, interfacing, protocols or processing therefor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/235—Fourier transform; Discrete Fourier Transform [DFT]; Fast Fourier Transform [FFT]
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Stereophonic System (AREA)

Abstract

Przedmiotem wynalazku jest sposób oraz system dekompozycji sygnału akustycznego na obiekty dźwiękowe w postaci sygnałów o wolnozmiennej amplitudzie i częstotliwości, a także obiekty dźwiękowe oraz ich zastosowanie. System dekompozycji sygnału akustycznego na obiekty dźwiękowe w postaci przebiegów sinusoidalnych o wolnozmiennej amplitudzie i częstotliwości zawierający układ konwersji A/D, połączony z bankiem filtrów, którego częstotliwości środkowe filtrów są rozłożone zgodnie z rozkładem geometrycznych charakteryzuje się tym, każdy filtr przystosowany jest do wyznaczania wartości rzeczywistej FC (n) i urojonej FS (n) przefiltrowanego sygnału, zaś bank filtrów (2) jest połączony z układem śledzenia obiektów (3), przy czym układ śledzenia obiektów (3) zawiera układ analizy widma, układ głosujący przystosowany do obliczania wartości pulsacji ważonej amplitudą, układ poprawy rozdzielczości przystosowany do regulacji okna filtru i/lub do wyznaczania różnicy widm sygnału wejściowego i na wyjściu banku filtrów (2) i/lub do wyznaczania różnicy sygnału wejściowego i sygnału na wyjściu banku filtrów (2), układ kojarzenia obiektów, układ formowania kształtu przystosowany do wyznaczania punktów charakterystycznych opisujących wolnozmienne przebiegi sinusoidalne, bazę obiektów aktywnych oraz bazę obiektów dźwiękowych.
PL406948A 2014-01-27 2014-01-27 Sposób dekompozycji sygnału akustycznego na obiekty dźwiękowe PL231399B1 (pl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL406948A PL231399B1 (pl) 2014-01-27 2014-01-27 Sposób dekompozycji sygnału akustycznego na obiekty dźwiękowe
PCT/IB2015/050572 WO2015111014A1 (en) 2014-01-27 2015-01-26 A method and a system for decomposition of acoustic signal into sound objects, a sound object and its use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL406948A PL231399B1 (pl) 2014-01-27 2014-01-27 Sposób dekompozycji sygnału akustycznego na obiekty dźwiękowe

Publications (2)

Publication Number Publication Date
PL406948A1 true PL406948A1 (pl) 2015-08-03
PL231399B1 PL231399B1 (pl) 2019-02-28

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PL406948A PL231399B1 (pl) 2014-01-27 2014-01-27 Sposób dekompozycji sygnału akustycznego na obiekty dźwiękowe

Country Status (2)

Country Link
PL (1) PL231399B1 (pl)
WO (1) WO2015111014A1 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111640450A (zh) * 2020-05-13 2020-09-08 广州国音智能科技有限公司 多人声音频处理方法、装置、设备及可读存储介质
CN115620706A (zh) * 2022-11-07 2023-01-17 之江实验室 一种模型训练方法、装置、设备及存储介质

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* Cited by examiner, † Cited by third party
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CN106814670A (zh) * 2017-03-22 2017-06-09 重庆高略联信智能技术有限公司 一种河道采砂智能监管方法及系统
CN107103895A (zh) * 2017-03-29 2017-08-29 华东交通大学 一种钢琴弹奏音准的检测装置
CN107657956B (zh) * 2017-10-23 2020-12-22 吴建伟 一种多媒体设备语音控制系统及方法
WO2019229738A1 (en) * 2018-05-29 2019-12-05 Sound Object Technologies S.A. System for decomposition of digital sound samples into sound objects
CN111856399B (zh) * 2019-04-26 2023-06-30 北京嘀嘀无限科技发展有限公司 基于声音的定位识别方法、装置、电子设备及存储介质
CN110910895B (zh) * 2019-08-29 2021-04-30 腾讯科技（深圳）有限公司 一种声音处理的方法、装置、设备和介质
CN113380258B (zh) * 2021-04-29 2022-04-12 国网浙江省电力有限公司嘉兴供电公司 一种变电站故障判定声纹识别方法
CN117113065B (zh) * 2023-10-24 2024-02-09 深圳波洛斯科技有限公司 一种基于声音检测的智能灯组数据管理系统及方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214708A (en) 1991-12-16 1993-05-25 Mceachern Robert H Speech information extractor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111640450A (zh) * 2020-05-13 2020-09-08 广州国音智能科技有限公司 多人声音频处理方法、装置、设备及可读存储介质
CN115620706A (zh) * 2022-11-07 2023-01-17 之江实验室 一种模型训练方法、装置、设备及存储介质

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PL231399B1 (pl) 2019-02-28
WO2015111014A1 (en) 2015-07-30

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