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AES E-Library » Audio Patch Method in MPEG-4 HE AAC Decoder
https://www.aes.org/e-lib/browse.cfm?elib=12878#:~:text=Audio%20Patch%20Method%20in%20MPEG-4%20HE%20AAC%20Decoder,that%20is%20encoded%20by%20a%20convention%20AAC%20encoder.
AES E-Library » Audio Patch Method in MPEG-4 HE AAC …
https://www.aes.org/e-lib/browse.cfm?elib=12878
Audio Patch Method in MPEG-4 HE-AAC Decoder Han-Wen Hsu , Chi-Min Liu , Wen-Chieh Lee , and 1 1 1 2 1. PSPLab, Computer Science and Information Engineering, National Chiao-Tung University, Hsin-Chu, 33050, Taiwan [email protected] 2. InterVideo Digital technology (Shanghai) Co., Ltd.6F, Caohejing Software Mansion No. 461 Hongcao Rd ...
AES Convention Papers Forum » Audio Patch Method in MPEG-4 ...
https://secure.aes.org/forum/pubs/conventions/?elib=12878
Audio Patch Method in MPEG-4 HE AAC Decoder. This paper extends the previous work on AAC to the HE-AAC. The audio path method consists of two individual parts, zero band dithering and high frequency reconstruction. The zero band dithering can conceal the fishy artifact in the low frequency part that is encoded by a convention AAC encoder.
Audio Artifacts in Perceptual Audio Coding
https://people.cs.nctu.edu.tw/~cmliu/Courses/Compression/Artifacts.pdf
Audio Patch Method on HE-AAC Decoder H.W. Hsu, C.M. Liu, W.C. Lee, and Z.W. Li, “Audio Patch Method in MPEG-4 HE AAC Decoder,” presented at the AES117th Convention, San Francisco, USA , 2004 October 28-31. Audio Patch Method on HE-AAC Decoder HE-AAC Signal with Zero Bands in LF and Band-limited HF
AES E-Library » Audio Patch Method in Audio Decoders — MP3 ...
https://www.aes.org/e-lib/online/browse.cfm?elib=12766
Current audio encoders like MP3 or AAC leads to some artifacts due to the bit rate constraint. This paper considers two artifacts. The first artifact is the unusual spectral valley which is perceptually heard as fishy noise. The second one is the spectrum clipping which leads to the muffling audio. This paper proposes the spectrum patch method to handle the two artifacts in …
MPEG-4 HE-AAC v2 Decoder, SHARC | Analog Devices
https://www.analog.com/en/design-center/evaluation-hardware-and-software/software/sh_aacde-11.html
The MPEG-4 HE-AAC v2 decoder is the combination of Advanced Audio Coding (AAC), Spectral Band Replication (SBR) and Parametric Stereo (PS), standardized as the High-Efficiency v2 profile in MPEG-4 (HE-AAC v2). The MPEG-4 HE-AAC v2 is backward compatible with AAC-LC.This version of the HE-ACC v2 decoder implements the High Quality (HQ) SBR tool and
AES E-Library » On the Design of Low Power MPEG-4 HE-AAC ...
https://www.aes.org/e-lib/browse.cfm?elib=13984
Spectral Band Replication (SBR) has been combined with MPEG AAC as bandwidth extension tool. The resulting scheme is referred to as the MPEG-4 High Efficient (HE) AAC or aacPlus. With SBR module taking care of the high frequency contents, the conventional AAC encoder can compress the low frequency part using most of the available bits. The SBR …
An Overview of the Coding Standard MPEG-4 Audio …
https://asmp-eurasipjournals.springeropen.com/articles/10.1155/2009/468971
Introduction. High-Frequency Reconstruction/Regeneration (HFR), or BandWidth Extension …
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