Telpc based re-synthesis method for isolated notes of polyphonic instrumental music recordings

Ya Han Kuo, Wei Chen Chang, Tien Ming Wang, Wen-Yu Su

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, we presented a flexible analysis/re-synthesis method for smoothly changing the properties of isolated notes in polyphonic instrumental music recordings. True Envelope Linear Predictive Coding (TELPC) method has been employed as the analysis/synthesis model in order to preserve the original timbre quality as much as possible due to its accurate spectral envelope estimation. We modified the conventional LPC analysis/synthesis processing by using pitch synchronous analysis frames to avoid the severe magnitude modulation problem. Smaller frames can thus be used to capture more local characteristics of the original signals to further improve the sound quality. In this framework, one can manipulate a sequence of isolated notes from two commercially available polyphonic instrumental music recordings and interesting re-synthesized results are achieved.

Original languageEnglish
Title of host publicationDAFx 2013 - 16th International Conference on Digital Audio Effects
PublisherNational University of Ireland
ISBN (Electronic)0956326773, 9780956326775
Publication statusPublished - 2013 Jan 1
Event16th International Conference on Digital Audio Effects, DAFx 2013 - Maynooth, Ireland
Duration: 2013 Sep 22013 Sep 5

Publication series

NameDAFx 2013 - 16th International Conference on Digital Audio Effects

Other

Other16th International Conference on Digital Audio Effects, DAFx 2013
CountryIreland
CityMaynooth
Period13-09-0213-09-05

Fingerprint

music
recording
envelopes
synthesis
coding
Modulation
Acoustic waves
modulation
acoustics
Processing
Polyphonic
Instrumental music

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Signal Processing
  • Acoustics and Ultrasonics
  • Music

Cite this

Kuo, Y. H., Chang, W. C., Wang, T. M., & Su, W-Y. (2013). Telpc based re-synthesis method for isolated notes of polyphonic instrumental music recordings. In DAFx 2013 - 16th International Conference on Digital Audio Effects (DAFx 2013 - 16th International Conference on Digital Audio Effects). National University of Ireland.
Kuo, Ya Han ; Chang, Wei Chen ; Wang, Tien Ming ; Su, Wen-Yu. / Telpc based re-synthesis method for isolated notes of polyphonic instrumental music recordings. DAFx 2013 - 16th International Conference on Digital Audio Effects. National University of Ireland, 2013. (DAFx 2013 - 16th International Conference on Digital Audio Effects).
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Kuo, YH, Chang, WC, Wang, TM & Su, W-Y 2013, Telpc based re-synthesis method for isolated notes of polyphonic instrumental music recordings. in DAFx 2013 - 16th International Conference on Digital Audio Effects. DAFx 2013 - 16th International Conference on Digital Audio Effects, National University of Ireland, 16th International Conference on Digital Audio Effects, DAFx 2013, Maynooth, Ireland, 13-09-02.

Telpc based re-synthesis method for isolated notes of polyphonic instrumental music recordings. / Kuo, Ya Han; Chang, Wei Chen; Wang, Tien Ming; Su, Wen-Yu.

DAFx 2013 - 16th International Conference on Digital Audio Effects. National University of Ireland, 2013. (DAFx 2013 - 16th International Conference on Digital Audio Effects).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - In this paper, we presented a flexible analysis/re-synthesis method for smoothly changing the properties of isolated notes in polyphonic instrumental music recordings. True Envelope Linear Predictive Coding (TELPC) method has been employed as the analysis/synthesis model in order to preserve the original timbre quality as much as possible due to its accurate spectral envelope estimation. We modified the conventional LPC analysis/synthesis processing by using pitch synchronous analysis frames to avoid the severe magnitude modulation problem. Smaller frames can thus be used to capture more local characteristics of the original signals to further improve the sound quality. In this framework, one can manipulate a sequence of isolated notes from two commercially available polyphonic instrumental music recordings and interesting re-synthesized results are achieved.

AB - In this paper, we presented a flexible analysis/re-synthesis method for smoothly changing the properties of isolated notes in polyphonic instrumental music recordings. True Envelope Linear Predictive Coding (TELPC) method has been employed as the analysis/synthesis model in order to preserve the original timbre quality as much as possible due to its accurate spectral envelope estimation. We modified the conventional LPC analysis/synthesis processing by using pitch synchronous analysis frames to avoid the severe magnitude modulation problem. Smaller frames can thus be used to capture more local characteristics of the original signals to further improve the sound quality. In this framework, one can manipulate a sequence of isolated notes from two commercially available polyphonic instrumental music recordings and interesting re-synthesized results are achieved.

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Kuo YH, Chang WC, Wang TM, Su W-Y. Telpc based re-synthesis method for isolated notes of polyphonic instrumental music recordings. In DAFx 2013 - 16th International Conference on Digital Audio Effects. National University of Ireland. 2013. (DAFx 2013 - 16th International Conference on Digital Audio Effects).