Presentation 2018-03-20
[Poster Presentation] Perceptual influence of spectral envelope and aperiodicity quantization for encoding high-quality speech
Genta Miyashita, Masanori Morise,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In this paper, we investigate the relationship between the degradation of sound quality and the parameter quantization in analysis/synthesis of full--band speech using vocoder. We have verified the coding by speech parameters as an approach for high--quality speech coding. A subjective evaluation by MUSHRA was carried out to verify the threshold that the listener cannot perceive the degradation. Experimental results showed that the thresholds of spectral envelope and aperiodicity were 14 and 3 bit, respectively. Since the proposed quantization was performed with a considerably wide range, the obtained thresholds are useful in all kinds of speech to synthesize speech without degradation.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) speech analysis/synthesis / quantization / sound quality / spectral envelope / aperiodicity
Paper # EA2017-145,SIP2017-154,SP2017-128
Date of Issue 2018-03-12 (EA, SIP, SP)

Conference Information
Committee SIP / EA / SP / MI
Conference Date 2018/3/19(2days)
Place (in Japanese) (See Japanese page)
Place (in English)
Topics (in Japanese) (See Japanese page)
Topics (in English) Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics [SIP, EA, SP]/ Medical Image Engineering, Analysis, Recognition, etc. [MI]
Chair Masahiro Okuda(Univ. of Kitakyushu) / Suehiro Shimauchi(NTT) / Yoichi Yamashita(Ritsumeikan Univ.) / Kensaku Mori(Nagoya Univ.)
Vice Chair Shogo Muramatsu(Niigata Univ.) / Naoyuki Aikawa(TUS) / Mitsunori Mizumachi(Kyutech) / Hiroki Mori(Utsunomiya Univ.) / Yoshiki Kawata(Tokushima Univ.) / Yuichi Kimura(Kinki Univ.)
Secretary Shogo Muramatsu(Chiba Inst. of Tech.) / Naoyuki Aikawa(Takushoku Univ.) / Mitsunori Mizumachi(Akita Pref. Univ.) / Hiroki Mori(Shizuoka Inst. of Science and Tech.) / Yoshiki Kawata(Shizuoka Univ.) / Yuichi Kimura(Meijo Univ.)
Assistant Masayoshi Nakamoto(Hiroshima Univ.ひろ) / TREVINO Jorge(Tohoku Univ.) / Nobutaka Ito(NTT) / Kei Hashimoto(Nagoya Inst. of Tech.) / Satoshi Kobashikawa(NTT) / Ryo Haraguchi(Univ. of Hyogo) / Yasushi Hirano(Yamaguchi Univ.)

Paper Information
Registration To Technical Committee on Signal Processing / Technical Committee on Engineering Acoustics / Technical Committee on Speech / Technical Committee on Medical Imaging
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) [Poster Presentation] Perceptual influence of spectral envelope and aperiodicity quantization for encoding high-quality speech
Sub Title (in English)
Keyword(1) speech analysis/synthesis
Keyword(2) quantization
Keyword(3) sound quality
Keyword(4) spectral envelope
Keyword(5) aperiodicity
1st Author's Name Genta Miyashita
1st Author's Affiliation University of Yamanashi(Univ. of Yamanashi)
2nd Author's Name Masanori Morise
2nd Author's Affiliation University of Yamanashi(Univ. of Yamanashi)
Date 2018-03-20
Paper # EA2017-145,SIP2017-154,SP2017-128
Volume (vol) vol.117
Number (no) EA-515,SIP-516,SP-517
Page pp.pp.241-244(EA), pp.241-244(SIP), pp.241-244(SP),
#Pages 4
Date of Issue 2018-03-12 (EA, SIP, SP)