Quality Improvement Using a Sinusoidal Model in HE-AAC
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JU. GE. Kim, DO. IL. Hyun, DA. HE. Youn, and YO. CH. Park, "Quality Improvement Using a Sinusoidal Model in HE-AAC," Paper 7292, (2007 October.). doi:
JU. GE. Kim, DO. IL. Hyun, DA. HE. Youn, and YO. CH. Park, "Quality Improvement Using a Sinusoidal Model in HE-AAC," Paper 7292, (2007 October.). doi:
Abstract: In Spectral Band Replication (SBR), a tone is often restored as a noise, which results in audible distortion. In this paper, we propose an efficient way of restoring the original tones using SBR. In the proposed algorithm, the tones are identified through a sinusoidal modeling and their frequencies are adjusted within the QMF band in order to reduce the noise floor. The proposed algorithm is perfectly compatible to the standard High-Efficiency AAC (HE-AAC) because it doesn¢¢ç¯t require additional information or operations in the decoding process. Output spectrograms were compared and listening tests were conducted to evaluate the proposed algorithm. Results confirmed the effectiveness of the proposed algorithm.
@article{kim2007quality,
author={kim, jung geun and hyun, dong il and youn, dae hee and park, young cheol},
journal={journal of the audio engineering society},
title={quality improvement using a sinusoidal model in he-aac},
year={2007},
volume={},
number={},
pages={},
doi={},
month={october},}
@article{kim2007quality,
author={kim, jung geun and hyun, dong il and youn, dae hee and park, young cheol},
journal={journal of the audio engineering society},
title={quality improvement using a sinusoidal model in he-aac},
year={2007},
volume={},
number={},
pages={},
doi={},
month={october},
abstract={in spectral band replication (sbr), a tone is often restored as a noise, which results in audible distortion. in this paper, we propose an efficient way of restoring the original tones using sbr. in the proposed algorithm, the tones are identified through a sinusoidal modeling and their frequencies are adjusted within the qmf band in order to reduce the noise floor. the proposed algorithm is perfectly compatible to the standard high-efficiency aac (he-aac) because it doesn¢¢ç¯t require additional information or operations in the decoding process. output spectrograms were compared and listening tests were conducted to evaluate the proposed algorithm. results confirmed the effectiveness of the proposed algorithm.},}
TY - paper
TI - Quality Improvement Using a Sinusoidal Model in HE-AAC
SP -
EP -
AU - Kim, Jung Geun
AU - Hyun, Dong Il
AU - Youn, Dae Hee
AU - Park, Young Cheol
PY - 2007
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2007
TY - paper
TI - Quality Improvement Using a Sinusoidal Model in HE-AAC
SP -
EP -
AU - Kim, Jung Geun
AU - Hyun, Dong Il
AU - Youn, Dae Hee
AU - Park, Young Cheol
PY - 2007
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2007
AB - In Spectral Band Replication (SBR), a tone is often restored as a noise, which results in audible distortion. In this paper, we propose an efficient way of restoring the original tones using SBR. In the proposed algorithm, the tones are identified through a sinusoidal modeling and their frequencies are adjusted within the QMF band in order to reduce the noise floor. The proposed algorithm is perfectly compatible to the standard High-Efficiency AAC (HE-AAC) because it doesn¢¢ç¯t require additional information or operations in the decoding process. Output spectrograms were compared and listening tests were conducted to evaluate the proposed algorithm. Results confirmed the effectiveness of the proposed algorithm.
In Spectral Band Replication (SBR), a tone is often restored as a noise, which results in audible distortion. In this paper, we propose an efficient way of restoring the original tones using SBR. In the proposed algorithm, the tones are identified through a sinusoidal modeling and their frequencies are adjusted within the QMF band in order to reduce the noise floor. The proposed algorithm is perfectly compatible to the standard High-Efficiency AAC (HE-AAC) because it doesn¢¢ç¯t require additional information or operations in the decoding process. Output spectrograms were compared and listening tests were conducted to evaluate the proposed algorithm. Results confirmed the effectiveness of the proposed algorithm.
Authors:
Kim, Jung Geun; Hyun, Dong Il; Youn, Dae Hee; Park, Young Cheol
Affiliation:
Yonsei University
AES Convention:
123 (October 2007)
Paper Number:
7292
Publication Date:
October 1, 2007Import into BibTeX
Subject:
Signal Processing
Permalink:
http://www.aes.org/e-lib/browse.cfm?elib=14349