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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, US (Joint) |
2023-12-23 13:25 |
Fukuoka | Excitation analysis based on the frequency-domain Prony method
-- Extracting and representing driving terms in time-frequency domain -- Shigeru Ando (Univ. Tokyo)  EA2023-60 |
Frequency-domain Prony method (FDPM) proposed recently (S. Ando, IEEE Trans. SP, 2020) identifies the autoregressive (AR... [more] | EA2023-60 pp.65-72 |
|
| NLC, IPSJ-NL, SP, IPSJ-SLP [detail] | 2021-12-02 15:50 |
Online | Online | Simultaneous measurement of linear, non-linear, random responses of pitch extrctors to frequency modulated voiced sounds
-- application of extended time-stretched-pulse sequence with orthogonalization -- Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. okkaido), Kohei Yatabe (Waseda Univ.), Tatsuya Kitamura (Konan Univ.), Hideki Banno (Meijo Univ.), Masanori Morise (Meiji Univ.) NLC2021-23 SP2021-44 |
We measured the linear time invariant, the non-linear time invariant, and random and time varying responses, of pitch ex... [more] | NLC2021-23 SP2021-44 pp.27-32 |
| EMM, EA, ASJ-H | 2021-11-16 09:00 |
Online | Online | [Poster Presentation]
Interactive visualization of EGG speech database based on analysis using time windows without sidelobes Hideki Kawahara (Wakayama Univ.), Kohei Yatabe (Waseda Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Tatsuya Kitamura (Konan Univ.), Hideki Banno (Meijo Univ.), Masanori Morise (Meiji Univ.) EA2021-48 EMM2021-75 |
We introduce three objective measurement methods for speech signal periodicity using sidelobe-less windowing functions. ... [more] | EA2021-48 EMM2021-75 pp.120-127 |
| EA, ASJ-H | 2020-08-07 13:00 |
Online | Online | Application of localized smooth phase manipulation functions to phase compensation of acoustic impulse response Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Mitsunori Mizumachi (KIT), Masanori Morise (Meiji Univ.), Hideki Banno (Meijo Univ.) EA2020-14 |
This report investigates the effects of boundary continuity of phase manipulation functions on the distribution of their... [more] | EA2020-14 pp.1-8 |
| SIP | 2019-08-30 10:00 |
Tokyo | Improvement of instantaneous frequency estimation by finite order Hilbert transformer using notch filter Keisuke Takao, Takahiro Natori, Naoyuki Aikawa (TUS) SIP2019-45 |
Frequency estimation is used in a wide range of fields such as radar, communications, voice, and medicine. One of the me... [more] | SIP2019-45 pp.31-34 |
|
| EA, ASJ-H, ASJ-AA | 2019-07-17 14:00 |
Hokkaido | SAPPORO COMMUNITY PLAZA | Time-frequency analysis based on short-time sinusoidal parameter estimation:
-- Unified realization of linear and wavelet structures and application to musical and speech sounds -- Shigeru Ando (Univ. Tokyo) EA2019-17 |
This paper describes a novel and unified method for cconstructing time-frequency spaces with linear and log-linear (wave... [more] | EA2019-17 pp.87-92 |
| SIP, MI, IE | 2019-05-23 14:15 |
Aichi | Exact short-time sinusoidal parameter estimation in the wavelet structure Shigeru Ando (Univ. Tokyo) SIP2019-4 IE2019-4 MI2019-4 |
This paper describes a parmeter estimation method of real sinusoids from finite length waveform. Being based on the exac... [more] | SIP2019-4 IE2019-4 MI2019-4 pp.19-24 |
|
| 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 |
| SIP, EA, SP, MI (Joint) [detail] |
2018-03-19 13:00 |
Okinawa | [Poster Presentation]
Tolerance of local linear predictive coding against disturbance noise Fumihiko Ishiyama (NTT) EA2017-123 SIP2017-132 SP2017-106 |
We are investigating countermeasure technique against electro-magnetic noise by using the method based on the linear pre... [more] | EA2017-123 SIP2017-132 SP2017-106 pp.127-132 |
|
| 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 |
| WIT, SP | 2017-10-19 13:00 |
Fukuoka | Tobata Library of Kyutech (Kitakyushu) | Formant analysis of electro-magnetic noise and its extended analysis Fumihiko Ishiyama (NTT) SP2017-34 WIT2017-30 |
We are investigating countermeasure technique against electro-magnetic noise by using the method based on the linear pre... [more] | SP2017-34 WIT2017-30 pp.1-6 |
| 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, EMM | 2016-11-18 10:05 |
Oita | Compal Hall (Oita) | Localization using simultaneous recordings of electric network frequencies in the Tokyo metropolitan area Akira Nishimura (Tokyo Univ. Info. Sci.) EA2016-58 EMM2016-64 |
This paper addresses a method to estimate an unknown location by using ENF(electric network frequency)-based indices ... [more] |
EA2016-58 EMM2016-64 pp.61-66 |
| MBE, BioX, NC | 2016-10-22 13:45 |
Osaka | Osaka Electro-Communication University | Individual Differences in Instantaneous Frequency of Electroencephalography during Music Listening Horie Ryota (SIT), Take Yoshiyuki (HAS) BioX2016-25 MBE2016-39 NC2016-24 |
We investigated a feature of electroencephalography (EEG) which reflects individual differences. As the feature, we prop... [more] | BioX2016-25 MBE2016-39 NC2016-24 pp.45-50 |
| 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 |
| ICD, ITE-IST | 2014-07-03 10:00 |
Shimane | Izumo-shi (Shimane) | Digital Frequency Discriminator using Time-to-Digital Converter for Instantaneous Frequency Measurement Akihito Hirai, Koji Tsutsumi, Eiji Taniguchi (Mitsubishi Electric) ICD2014-19 |
The Digital Frequency Discriminator (DFD) with delay lines has been commonly used at instantaneous frequency measurement... [more] | ICD2014-19 pp.1-6 |
| EA | 2012-07-19 13:30 |
Hokkaido | Health Sci. Univ. of Hokkaido | A stable representation of group delay for periodic signals Hideki Kawahara (Wakayama Univ.), Masanori Morise (Ritsumei. Univ.), Ryuichi Nisimura, Toshio Irino (Wakayama Univ.) EA2012-45 |
Instantaneous frequency and group delay, which are defined as the temporal derivative and the frequency derivative of ph... [more] | EA2012-45 pp.1-6 |
| EA, SP, SIP | 2012-05-24 13:45 |
Osaka | Osaka Univ. Nakanoshima Center | Accuracy Evaluation of Intantaneous Frequency Measurement with Two-Component Signal
-- Instantaneous Frequency Measument Without FFT -- Suminori Nishie, Masato Akagi (JAIST) EA2012-8 SIP2012-8 SP2012-8 |
We have devised Instantaneous Frequency(IF) measurement method named PRIMO(Primary Rotation and Instantaneous Movement O... [more] | EA2012-8 SIP2012-8 SP2012-8 pp.41-46 |
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