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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WIT, SP | 2019-10-26 16:20 |
Kagoshima | Daiichi Institute of Technology | Application of interactive and real-time tools to acoustic analysis for assessment of dysphonia Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Kenta Wakasa (ATLUS), Hiroko Terasawa (Univ. Tsukuba)  SP2019-24 WIT2019-23 |
We introduce a real-time and interactive tool for visualizing voice-source attributes. The tool provides a simplified ca... [more] | SP2019-24 WIT2019-23 pp.39-43 |
| EA, ASJ-H, ASJ-AA | 2019-07-17 13:00 |
Hokkaido | SAPPORO COMMUNITY PLAZA | Extension of acoustic measurement procedures based on frequency domain variants of the velvet noise Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ.), Mitsunori Mizumachi (Kyutech) EA2019-15 |
The frequency domain velvet noise (FVN) is a member of the time stretched pulse (TSP) in the broader sense because the... [more] |
EA2019-15 pp.77-82 |
| EA, SIP, SP | 2019-03-15 13:30 |
Nagasaki | i+Land nagasaki (Nagasaki-shi) | [Poster Presentation]
Faster than real-time and audio sampling rate extraction of fo candidates using an analytic signal with prolate spheroidal wave function as envelope Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Masanori Morise (Univ. Yamanashi), Yuichi Ishimoto (NINJAL) EA2018-151 SIP2018-157 SP2018-113 |
We propose an extractor of fundamental frequency candidates which runs faster than real-time. It uses power weighted ave... [more] | EA2018-151 SIP2018-157 SP2018-113 pp.305-310 |
| EA, ASJ-H, EMM, IPSJ-MUS [detail] | 2018-11-21 13:30 |
Ishikawa | Hotel Koshuen | An analytic signal with a cosine series envelope for excitation source analyses of voiced speech
-- Practical substitute of Flanagan's equation -- Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ.), Hideki Banno (Meijyo Univ.), Masanori Morise (Univ. Yamanashi) EA2018-63 EMM2018-63 |
We introduce an analytic signal for excitation source analysis of voiced sounds. The envelope of the signal is a six-ter... [more] | EA2018-63 EMM2018-63 pp.1-5 |
| SP | 2018-08-27 11:00 |
Kyoto | Kyoto Univ. | Simple method for detecting GCI and GOI based on complex wavelet analysis with cosine series envelope Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido) SP2018-22 |
We propose to use an analytic signal made from a cosine series envelope which was specially designed for analyzing the s... [more] | SP2018-22 pp.1-5 |
| EA, ASJ-H | 2018-08-24 09:50 |
Miyagi | Tohoku Gakuin Univ. | Acoustic measurements using a frequency domain velvet noise and interference-free power spectral representations of periodic sounds Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Mitsunori Mizumachi (Kyu Tech.) EA2018-42 |
We propose a new framework consisting of a test signal for acoustic impulse response measurement and analysis procedures... [more] | EA2018-42 pp.89-96 |
| EA, ASJ-H, ASJ-AA | 2018-07-25 13:40 |
Hokkaido | Hokkaido Univ. | Interference-free power spectral representations of periodic sounds and their application to VOCODERs Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Kanru Hua (Univ. Illinois) EA2018-23 |
We propose a method to calculate the spectral envelope of voiced sounds for VOCODER applications. In our previous techni... [more] | EA2018-23 pp.135-140 |
| PRMU, SP | 2018-06-29 10:00 |
Nagano | Revisiting interference-free power spectral representations of periodic signals Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Kanru Hua (Univ. Illinois) PRMU2018-29 SP2018-9 |
We propose two algorithms to calculate interference-free power spectra of periodic signals. This set of algorithms is ou... [more] | PRMU2018-29 SP2018-9 pp.41-46 |
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| SP, ASJ-H | 2018-01-20 13:00 |
Tokyo | The University of Tokyo | An extended log domain pulse model for VOCODERs Hideki Kawahara (Wakayama Univ.) SP2017-66 |
We propose a new procedure to design excitation source signals for the analysis-and-synthesis systems without preserving... [more] | SP2017-66 pp.1-4 |
| NLC, IPSJ-NL, SP, IPSJ-SLP (Joint) [detail] |
2017-12-21 12:50 |
Tokyo | Waseda Univ. Green Computing Systems Research Organization | [Poster Presentation]
Realtime analysis and display of voice source periodicity Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Sciences Univ. Hokkaido) SP2017-59 |
This article introduces a real-time procedure for extraction and display of deviations from pure periodicity in voice ex... [more] | SP2017-59 pp.21-22 |
| EA, ASJ-H | 2017-08-10 12:20 |
Miyagi | Tohoku Univ., R. I. E. C. | Revisiting fundamental frequency Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. of Hokkaido) |
[more] | EA2017-39 pp.73-78 |
| EA, ASJ-H | 2017-07-20 15:00 |
Hokkaido | Hokkaido Univ. | [Invited Talk]
Revisiting VOCODER
-- Why I intentionally discard the original phase of the original speech? -- Hideki Kawahara (Wakayama Univ.) EA2017-4 |
VOCODER is a framework invented for narrow band communication about 80 years ago. It has been providing a productive bas... [more] | EA2017-4 pp.21-26 |
| EA, ASJ-H | 2015-08-03 13:00 |
Miyagi | Tohoku Univ., Research Inst. of Electrical Communication | Aliasing reduction in L-F model implementation for an interactive tool applicable to speech science education Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Sciences Univ. Hokkaido), Hideki Banno (Meijo Univ.), Masanori Morise (Univ. Yamanashi), Tomoki Toda (NAIST), Toshio Irino (Wakayama Univ.) EA2015-10 |
[more] | EA2015-10 pp.1-6 |
| SIP, EA, SP | 2015-03-03 15:05 |
Okinawa | Statistical modeling of an F0 estimation method based on higher-order waveform symmetry and its application to filled pause analysis Hideki Kawahara, Ryuichi Nisimura, Toshio Irino (Wakayama Univ.) EA2014-127 SIP2014-168 SP2014-190 |
A robust method for tacking F0 trajectory as an initial estimate followed by a refinement procedure which is base on a t... [more] | EA2014-127 SIP2014-168 SP2014-190 pp.307-312 |
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| SP, ASJ-H | 2014-10-23 14:00 |
Wakayama | Nanki Shirahama Onsen Hotel Seamore | Implementations of TANDEM-STRAIGHT on various devices and evaluation of the implementations
-- Implementations on smartphones, tablets, PCs, GPGPUs, and so on -- Hideki Banno (Meijo Univ.), Masanori Morise (Univ. of Yamanashi), Hideki Kawahara (Wakayama Univ.) SP2014-73 |
We have coded TANDEM-STRAIGHT in the C programming language, have implemented it onto various devices including smartph... [more] |
SP2014-73 pp.7-12 |
| SP, ASJ-H | 2014-10-23 14:00 |
Wakayama | Nanki Shirahama Onsen Hotel Seamore | Pre-processing for vocal tract area function estimation using linear prediction analysis Kinuyo Isa, Shoki Yoshimoto, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara (Wakayama Univ.) SP2014-79 |
Estimaiton of vocal tract area function based on linear predictive analysis suffers from biasing factors such as glottal... [more] | SP2014-79 pp.27-28 |
| SP, ASJ-H | 2014-10-23 14:00 |
Wakayama | Nanki Shirahama Onsen Hotel Seamore | Investigations on estimated vocal tract area functions of growl-like singing voices Shohei Mizobuchi, Kinuyo Isa, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara (Wakayama Univ.) SP2014-80 |
Behavior of vocal tract area functions estimated from growl-like singing voices was investigated to introduce a simple m... [more] | SP2014-80 pp.29-30 |
| SP, ASJ-H | 2014-10-24 09:00 |
Wakayama | Nanki Shirahama Onsen Hotel Seamore | [Invited Talk]
Speech processing based on static representations of periodic signals Hideki Kawahara (Wakayama Univ.) |
Locally periodic signals, such as voiced sounds and sounds of musical instruments, play important roles in our everyday ... [more] | SP2014-87 pp.65-70 |
| CAS, SIP, MSS, VLD, SIS [detail] | 2014-07-10 09:30 |
Hokkaido | Hokkaido University | Temporally static representation of group delay for periodic signals Hideki Kawahara (Wakayama Univ.) CAS2014-21 VLD2014-30 SIP2014-42 MSS2014-21 SIS2014-21 |
Short term Fourier transform of periodic signals introduce periodic temporal variations in their Frequency domain repres... [more] | CAS2014-21 VLD2014-30 SIP2014-42 MSS2014-21 SIS2014-21 pp.105-110 |
| SP, IPSJ-MUS | 2014-05-24 11:30 |
Tokyo | ROCKON:Environmental sound collection and recognition system using smartphones Minori Matsuyama, Takahiko Tsuda, Ryuichi Nisimura, Hideki Kawahara (Wakayama Univ), Junnosuke Yamada (NTT), Toshio Irino (Wakayama Univ) SP2014-19 |
[more] | SP2014-19 pp.181-186 |
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