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Dive into the research topics where Srikanth Nagisetty is active.

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Featured researches published by Srikanth Nagisetty.


international conference on acoustics, speech, and signal processing | 2015

Low bit rate high-quality MDCT audio coding of the 3GPP EVS standard

Srikanth Nagisetty; Zongxian Liu; Takuya Kawashima; Hiroyuki Ehara; Xuan Zhou; Bin Wang; Zexin Liu; Lei Miao; Jon Gibbs; Lasse Laaksonen; Venkatraman S. Atti; Vivek Rajendran; Venkatesh Krishnan; Ho-Sang Sung; Ki-hyun Choo

This paper presents a low bit-rate MDCT coder, which is adopted as a part of the recently standardized codec for Enhanced Voice Services. To maximize codec performance for NB to SWB input signals for low bit-rates (7.2 to 16.4 kbps), new adaptive bit-allocation and spectrum quantization schemes, which emphasize perceptually important spectrum while efficiently coding full spectrum, was introduced into the low bit-rate MDCT coder. Further, small symbol switched Huffman coding is exploited for reducing the bits consumption for quantizing band energies of the spectrum. Finally, the performance of the coder is illustrated with some listening test results.


ieee global conference on signal and information processing | 2015

Super-wideband fine spectrum quantization for low-rate high-quality MDCT coding mode of the 3GPP EVS codec

Srikanth Nagisetty; Takuya Kawashima; Hiroyuki Ehara; Lasse Laaksonen; Ho-Sang Sung; Ki-hyun Choo

This article presents a low bit-rate super wideband MDCT coder, which is adopted as a part of the recently standardized codec for Enhanced Voice Services. To maximize codec performance at 13.2 kbps, existing algorithms are reviewed and several new tools are introduced into the low bit-rate MDCT coder to improve the performance of the coder while coding music and mixed content. A subjective listening test demonstrates the advantage of the proposed system for 13.2 kbps when compared to AMR-WB+.


Archive | 2013

Audio and speech coding device, audio and speech decoding device, method for coding audio and speech, and method for decoding audio and speech

Zongxian Liu; Srikanth Nagisetty; Masahiro Oshikiri


Archive | 2014

DEVICE AND METHOD FOR BANDWIDTH EXTENSION FOR AUDIO SIGNALS

Srikanth Nagisetty; Zongxian Liu


Archive | 2013

Voice audio encoding device, voice audio decoding device, voice audio encoding method, and voice audio decoding method

Zongxian Liu; Srikanth Nagisetty; Masahiro Oshikiri


affective computing and intelligent interaction | 2018

Audio-Visual Emotion Recognition with Capsule-like Feature Representation and Model-Based Reinforcement Learning

Xi Ouyang; Srikanth Nagisetty; Ester Gue Hua Goh; Shengmei Shen; Wan Ding; Huaiping Ming; Dong-Yan Huang


Archive | 2017

dispositivo de codificação de voz e áudio, dispositivo de decodificação de voz e áudio, método de codificação de voz e áudio e método de decodificação de voz e áudio

Masahiro Oshikiri; Srikanth Nagisetty; Zongxian Liu


Archive | 2016

ENCODING DEVICE, DECODING DEVICE, ENCODING METHOD, DECODING METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM

Srikanth Nagisetty; Zong Xian Liu; Hiroyuki Ehara


Archive | 2016

Acoustic signal coding apparatus, acoustic signal decoding apparatus, terminal apparatus, base station apparatus, acoustic signal coding method, and acoustic signal decoding method

Srikanth Nagisetty; Zongxian Liu; Hiroyuki Ehara


Archive | 2015

Encoder, decoder, encoding method, decoding method, and program

Srikanth Nagisetty; Zong Xian Liu; Hiroyuki Ehara

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