EP3128765A1 - Verfahren zum verarbeiten eines sound tracks - Google Patents

Verfahren zum verarbeiten eines sound tracks Download PDF

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Publication number
EP3128765A1
EP3128765A1 EP15180168.5A EP15180168A EP3128765A1 EP 3128765 A1 EP3128765 A1 EP 3128765A1 EP 15180168 A EP15180168 A EP 15180168A EP 3128765 A1 EP3128765 A1 EP 3128765A1
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EP
European Patent Office
Prior art keywords
sound
pitch
low
band
pitch sound
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP15180168.5A
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English (en)
French (fr)
Inventor
Tain-Tzu Chang
Chow-Ing Chang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP15180168.5A priority Critical patent/EP3128765A1/de
Publication of EP3128765A1 publication Critical patent/EP3128765A1/de
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing

Definitions

  • the present invention relates to methods of processing a sound track and more particularly to a method of processing a sound track to thereby combine sounds synchronously and therefore enhance audibility thereof without generating any interference.
  • the inventor of the present invention conceived room for improvement in the prior art and thus conducted extensive researches and experiments according to the inventor's years of experience in the related industry, and finally developed a method of processing a sound track to thereby combine sounds synchronously and therefore enhance audibility thereof without generating any interference.
  • the present invention provides a method of processing a sound track, comprising the steps of:
  • the low-pitch sound band is one or multiple sound bands selected at a lower side of the original sound track, with the low-pitch sound bands being separated by one octave or by the frequency shift of 2 n , where n is +1 or -1, wherein the low-pitch sound bands each have a predetermined frequency shift of one or multiple octaves or a predetermined frequency shift of 2 n , where n is one of a positive integer and a negative integer, wherein the high-pitch sound band is one or multiple sound bands selected at a higher side of the original sound track, with the high-pitch sound bands being separated by one octave or by the frequency shift of 2 n , where n is +1 or -1, wherein the high-pitch sound bands each have a predetermined frequency shift of one or multiple octaves or a predetermined frequency shift of 2 n , where n is one of a positive integer and a negative integer.
  • the original sound track and the modified low-pitch sound band are amplified by a frequency-dependent amplification curve, respectively, and then combined, wherein the original sound track and the modified high-pitch sound band are amplified by a frequency-dependent amplification curve, respectively, and then combined.
  • the amplification curves are dynamic and instantly adjustable according to the amplitude and frequency distribution of the original sound track.
  • the original sound track and the modified low-pitch sound band are combined and then one of a specific sound signature or an indicator prompt is added to the combined original sound track and modified low-pitch sound band if the amplitude of one of the low-pitch sound bands exceeds a preset threshold level, wherein the original sound track and the modified high-pitch sound band are combined and then one of a specific sound signature or an indicator prompt is added to the combined original sound track and modified high-pitch sound band if the amplitude of one of the high-pitch sound bands exceeds a preset threshold level.
  • the present invention provides a method of processing a sound track to thereby combine sounds synchronously and therefore enhance audibility thereof without generating any interference.
  • the present invention provides a method of processing a sound track, comprising the steps of:
  • the present invention provides a method of processing a sound track to thereby combine an original sound and a modified sound synchronously, so as to enhance the audibility of sounds without generating any interference.
  • the low-pitch sound bands 2', 2" are one sound band (2' or 2") or multiple sound bands (2' and 2") selected at a lower side of the original sound track 1, with the low-pitch sound bands (2' and 2") being separated by one octave or by the frequency shift of 2 n , where n is +1 or -1, wherein the low-pitch sound bands 2', 2" are each separated by a predetermined frequency shifts 23', 23" of one octave 23', multiple octaves 23" (two octaves) or 2 n , where n is a positive integer or a negative integer.
  • the high-pitch sound bands 4', 4" are one sound band (4' or 4") or multiple sound bands (4' and 4") selected at a higher side of the original sound track 1, with the high-pitch sound bands (4' and 4") being separated by one octave or2 n , where n is +1 or -1.
  • the predetermined frequency shifts 45', 45" of the high-pitch sound bands 4', 4" are one octave 45' or multiple octaves 45" (two octaves).
  • the predetermined frequency shifts 45', 45" of the high-pitch sound bands 4', 4" are 2 n , where n is a positive integer or a negative integer.
  • step (2) involves either selecting the low-pitch sound bands 2', 2" or selecting the high-pitch sound bands 4', 4"
  • the step (2) may involve selecting them simultaneously, then modifying them simultaneously, and eventually combining them. Therefore, the method of processing a sound track of the present invention offers various combination choices as needed and therefore enhances audibility thereof.
  • the original sound track 1 and the modified low-pitch sound band 3 are amplified by frequency-dependent amplification curves 6, 7 and then combined, or, alternatively, the original sound track 1 and the modified high-pitch sound band 5 are amplified by frequency-dependent amplification curves 6, 8 and then combined.
  • the original sound track 1, the modified low-pitch sound band 3 and the modified high-pitch sound band 5 are amplified by frequency-dependent amplification curves 6, 7, 8 and then combined. Therefore, the method of processing a sound track of the present invention not only combines the original sound and modified sound synchronously but also amplifies the combined sounds as needed and therefore enhances audibility thereof.
  • the amplification curves 6, 7, 8 are dynamic and instantly adjustable according to the amplitude and frequency distribution of the original sound track 1. Therefore, the method of processing a sound track of the present invention offers various combination choices as needed and therefore enhances audibility thereof.
  • a specific sound signature 91 or an indicator prompt is added to the combined original sound track 1 and modified low-pitch sound bands 3', 3" if the amplitude of one of the low-pitch sound bands 2', 2" exceeds a preset threshold level.
  • a specific sound signature 92 or an indicator prompt is added to the combined original sound track 1 and modified high-pitch sound bands 5', 5" if the amplitude of one of the high-pitch sound bands 4', 4" exceeds a preset threshold level.
  • a specific sound signature or an indicator prompt is added to the combined original sound track 1, modified low-pitch sound bands 3', 3" and modified high-pitch sound bands 5', 5". Therefore, the method of processing a sound track of the present invention improves the recognition the nature of the original sound.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrophonic Musical Instruments (AREA)
EP15180168.5A 2015-08-07 2015-08-07 Verfahren zum verarbeiten eines sound tracks Withdrawn EP3128765A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15180168.5A EP3128765A1 (de) 2015-08-07 2015-08-07 Verfahren zum verarbeiten eines sound tracks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15180168.5A EP3128765A1 (de) 2015-08-07 2015-08-07 Verfahren zum verarbeiten eines sound tracks

Publications (1)

Publication Number Publication Date
EP3128765A1 true EP3128765A1 (de) 2017-02-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15180168.5A Withdrawn EP3128765A1 (de) 2015-08-07 2015-08-07 Verfahren zum verarbeiten eines sound tracks

Country Status (1)

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EP (1) EP3128765A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054450A1 (de) * 1980-11-28 1982-06-23 Jean-Claude Lafon Hörhilfsgeräte
US4843623A (en) * 1986-05-23 1989-06-27 University De Franche-Comte Hearing aid devices in which high frequency signal portions are transposed in low frequency compenstion signal portions
US5077800A (en) * 1988-10-14 1991-12-31 Societe Anonyme Dite: Laboratorie D'audiologie Dupret-Lefevre S.A. Electronic device for processing a sound signal
DE19720651A1 (de) * 1997-05-16 1998-11-26 Siemens Audiologische Technik Hörgerät mit verschiedenen Baugruppen zur Aufnahme, Weiterverarbeitung sowie Anpassung eines Schallsignals an das Hörvermögen eines Schwerhörigen
WO2000075920A1 (en) * 1999-06-03 2000-12-14 Telefonaktiebolaget Lm Ericsson (Publ) A method of improving the intelligibility of a sound signal, and a device for reproducing a sound signal
WO2007000161A1 (en) * 2005-06-27 2007-01-04 Widex A/S Hearing aid with enhanced high frequency reproduction and method for processing an audio signal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054450A1 (de) * 1980-11-28 1982-06-23 Jean-Claude Lafon Hörhilfsgeräte
US4843623A (en) * 1986-05-23 1989-06-27 University De Franche-Comte Hearing aid devices in which high frequency signal portions are transposed in low frequency compenstion signal portions
US5077800A (en) * 1988-10-14 1991-12-31 Societe Anonyme Dite: Laboratorie D'audiologie Dupret-Lefevre S.A. Electronic device for processing a sound signal
DE19720651A1 (de) * 1997-05-16 1998-11-26 Siemens Audiologische Technik Hörgerät mit verschiedenen Baugruppen zur Aufnahme, Weiterverarbeitung sowie Anpassung eines Schallsignals an das Hörvermögen eines Schwerhörigen
WO2000075920A1 (en) * 1999-06-03 2000-12-14 Telefonaktiebolaget Lm Ericsson (Publ) A method of improving the intelligibility of a sound signal, and a device for reproducing a sound signal
WO2007000161A1 (en) * 2005-06-27 2007-01-04 Widex A/S Hearing aid with enhanced high frequency reproduction and method for processing an audio signal

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FRANCIS KUK ET AL.: "Linear Frequency Transposition: Extending the Audibility of High-Frequency Information", 8 October 2006 (2006-10-08), XP002743680, Retrieved from the Internet <URL:www.hearingreview.com/2006/10/linear-frequency-transposition-extending-the-audibility-ofhigh-frequency-information> [retrieved on 20150827] *
THOMAS I B ET AL: "THE INTELLIGIBILITY OF SPEECH TRANSPOSED DOWNWARD IN FREQUENCY BY ONE OCTAVE", JOURNAL OF THE AUDIO ENGINEERING SOCIETY, AUDIO ENGINEERING SOCIETY, NEW YORK, NY, US, vol. 18, no. 1, 1 February 1970 (1970-02-01), pages 56 - 62, XP000795083, ISSN: 1549-4950 *

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