• Title/Summary/Keyword: TS-2

Search Result 1,161, Processing Time 0.027 seconds

Seamless Recording Algorithm Using MPEG System and Service Information in Mobile Broadcasting (MPEG 시스템 및 서비스 정보를 이용한 끊김 없는 모바일 방송 녹화 방법)

  • Kwon, Seong-Geun;Lee, Suk-Hwan;Kim, Kang-Wook;Kwon, Ki-Ryong
    • Journal of Korea Multimedia Society
    • /
    • v.15 no.10
    • /
    • pp.1185-1195
    • /
    • 2012
  • In the general recording method of mobile broadcasting, all incoming broadcasting streams after recording time will be saved regardless of its content. In this case, as such that viewers do not want to record, commercial advertisement, are saved together. In order to solve these problems, the proposed method checks if the contents such as advertisements are exist in the target stream by analysing the splicing in incoming MPEG-2 TS streams and, if splicing happened, excludes incoming stream after the splicing in the recording process. In the proposed method, first the splice in the recording stream is verified using the related flags of adaptation field in the TS packet and, if judged to cause a splice, the time of splicing is to be estimated by evaluating the value of splice_countdown filed. In this way, the proposed algorithm provides the seamless recording method by estimating the time of splice and excluding the contents after the splicing. To evaluate the proposed seamless recording method, the simulation was carried out by modifying the software of the existing mobile broadcasting terminal.

Speech Transition Detection and approximate-synthesis Method for Speech Signal Compression and Recovery (음성신호 압축 및 복원을 위한 음성 천이구간 검출과 근사합성 방식)

  • Lee, Kwang-Seok;Kim, Bong-Gi;Kang, Seong-Soo;Kim, Hyun-Deok
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
    • /
    • 2008.05a
    • /
    • pp.763-767
    • /
    • 2008
  • In a speech coding system using excitation source of voiced and unvoiced, it would be involved a distortion of speech qualify in case coexist with a voiced and an unvoiced consonants in a frame. So, We proposed TS(Transition Segment) including unvoiced consonant searching and extraction method in order to uncoexistent with a voiced and unvoiced consonants in a frame. This research present a new method of TS approximate-synthesis by using Least Mean Square and frequency band division. As a result, this method obtain a high quality approximation-synthesis waveforms within TS by using frequency information of 0.547kHz below and 2.813kHz above. The important thing is that the maximum error signal can be made with low distortion approximation-synthesis waveform within TS. This method has the capability of being applied to a new speech coding of Voiced/Silence/TS, speech analysis and speech synthesis.

  • PDF

Fatty Acid Profiles and Stearoyl-CoA Desaturase Gene Expression in Longissimus dorsi Muscle of Growing Lambs Influenced by Addition of Tea Saponins and Soybean Oil

  • Mao, H.L.;Wang, J.K.;Lin, J.;Liu, J.X.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.25 no.5
    • /
    • pp.648-652
    • /
    • 2012
  • This study was conducted to determine the effects of dietary addition of tea saponins (TS) and soybean oil (SO) on fatty acid profile and gene expression of stearoyl-CoA desaturase (SCD) in longissimus dorsi (LD) muscle of growing lambs. Thirty-two Huzhou lambs were assigned to four dietary treatments in a $2{\times}2$ factorial arrangement with main effects of TS (0 or 3 g/d) and SO (0 or 30 g/kg of diet DM). The diet without additives was considered as NTNS (no TS or SO). After a feeding trial for 60 d, four lambs of each treatment were slaughtered to collect the samples of LD muscle. Percentage of trans-11 vaccenic acid was enhanced (p<0.05) in muscle of lambs fed TS and SO. The proportion of total conjugated linoleic acid (CLA) was increased (p<0.05) by SO, but decreased (p<0.05) by TS in LD muscle. The percentage of total saturated fatty acids in muscle was decreased (p<0.05) by addition of TS and SO, while addition of SO increased (p<0.05) the percentage of total polyunsaturated fatty acids. The ratio of cis-9, trans-11 CLA to tran-11 vaccenic acid was decreased (p<0.05) by TS, but increased (p<0.05) by SO. The same effects were observed in SCD mRNA expression. From these results it is indicated that including TS and SO in the diet of growing lambs affect the fatty acid profiles of LD muscle and that the proportion of cis-9, trans-11 CLA in the muscle influenced by TS and SO may be related to the SCD gene expression.

Design of Optimal Controller for TS Fuzzy Models and Its Application to Nonlinear Systems (TS 퍼지 모델을 이용한 최적 제어기 설계 및 비선형 시스템에서의 응용)

  • Chang, Wook;Joo, Young-Hoon;Park, Jin-Bae
    • The Transactions of the Korean Institute of Electrical Engineers D
    • /
    • v.49 no.2
    • /
    • pp.68-73
    • /
    • 2000
  • This paper addresses the analysis and design of fuzzy control systems for a class of complex nonlinear systems. Firstly, the nonlinear system is represented by Takagi-Sugeno(TS) fuzzy model and the global controller is constructed by compensating each linear model in the rule of TS fuzzy model. The design of conventional TS fuzzy-model-based controller is composed of two processes. One is to determine the static state feedback gain of each local model and the other is to validate the stability of the designed fuzzy controller. In this paper, we propose an alternative methods for the design of TS fuzzy-model-based controller. The design scheme is based on the extension of conventional optimal control theory to the design of TS fuzzy-model-based controller. By using the proposed method, the design and stability analysis of the TS fuzzy model-based controller is reduced to the problem of finding the solution of a set of algebraic Riccati equations. And we use the recently developed interior point method to find the solution of AREs, where AREs are recast as the LMI formulation. A numerical simulation example is given to show the effectiveness and feasibiltiy of the proposed fuzzy controller design method.

  • PDF

Comparison of Wind Tunnel Test Results for Forward-Swept Wing Airplane at KARI LSWT and TsAGI T-102 (전진익형 항공기 모델에 대한 KARI LSWT와 TsAGI T-102 풍동시험결과 비교)

  • Cho, Tae-Hwan;Chung, Jin-Deog;Chang, Byeong-Hee;Lee, Jang-Yeon
    • Journal of the Korean Society for Aeronautical & Space Sciences
    • /
    • v.32 no.5
    • /
    • pp.18-23
    • /
    • 2004
  • Wind tunnel test for Forward-Swept wing airplane model, a part of the Korea-Russia technical cooperation program has been conducted at both TsAGI T-102 and KARI LSWT. The results of TsAGI T-102, obtained by using a unique wire-suspension model support system, and KARI LSWT, used tripod and tandem strut arrangement configuration, are compared with various model conditions including control surface deflection such as flap, aileron, elevator and rudder. Good agreement in the value of drag-polar is observed between TsAGI T-102 and KARI LSWT data. The lateral and directional stability coefficients with rudder and aileron deflection represent a good agreement in both facility.

Effects of Pretreatment of Alkali-degreasing Solution for Cu Seed Layer (약알칼리탈지 용액에서의 구리 Seed 층의 전처리 효과)

  • Lee, Youn-Seoung;Kim, Sung-Soo;Rha, Sa-Kyun
    • Journal of the Korean Vacuum Society
    • /
    • v.21 no.1
    • /
    • pp.6-11
    • /
    • 2012
  • In order to understand a process of contaminants removal on surface of Cu seed layer (Cu seed/Ti/Si) by sputter deposition, we investigated the changed morphology and states of Cu seed surface after pretreatment in alkali degreasing Metex TS-40A solution according to dipping time. After TS-40A pretreatment, the surface morphology with clearer grains was observed by Field emission scanning electron microscope and the changed surface chemical states and impurities on surface of samples were checked by X-ray photoelectron spectroscopy. Dipping time in TS-40A solution had very little effect on surface of Cu seed layer. After pretreatment, much carbons and little oxygens on surface of Cu seed were eliminated and the decrease of peaks corresponded to O=C and $Cu(OH)_2$ was estimated. However, Si content (=silicate) was detected on sample surface. We think that the silicate impurity forms on Cu seed by chemical reaction of TS-40A solution included silicate component. By pretreatment of alkali degreasing Metex TS-40A solution, it showed an excellent effect in removal of O=C and $Cu(OH)_2$ on Cu seed layer, but the silicate was formed on surface of Cu seed. Therefore, another cleaning process such as acid cleaning is required for removal of this silicate in use of this alkali degreasing.

Insights into Tan Spot and Stem Rust Resistance and Susceptibility by Studying the Pre-Green Revolution Global Collection of Wheat

  • Abdullah, Sidrat;Sehgal, Sunish Kumar;Jin, Yue;Turnipseed, Brent;Ali, Shaukat
    • The Plant Pathology Journal
    • /
    • v.33 no.2
    • /
    • pp.125-132
    • /
    • 2017
  • Tan spot (TS), caused by the fungus Pyrenophora tritici-repentis (Died) Drechs, is an important foliar disease of wheat and has become a threat to world wheat production since the 1970s. In this study a globally diverse pre-1940s collection of 247 wheat genotypes was evaluated against Ptr ToxA, P. tritici-repentis race 1, and stem rust to determine if; (i) acquisition of Ptr ToxA by the P. tritici-repentis from Stagonospora nodorum led to increased pathogen virulence or (ii) incorporation of TS susceptibility during development stem rust resistant cultivars led to an increase in TS epidemics globally. Most genotypes were susceptible to stem rust; however, a range of reactions to TS and Ptr ToxA were observed. Four combinations of diseasetoxin reactions were observed among the genotypes; TS susceptible-Ptr ToxA sensitive, TS susceptible-Ptr ToxA insensitive, TS resistant-Ptr ToxA insensitive, and TS resistant-Ptr ToxA toxin sensitive. A weak correlation (r = 0.14 for bread wheat and -0.082 for durum) was observed between stem rust susceptibility and TS resistance. Even though there were no reported epidemics in the pre-1940s, TS sensitive genotypes were widely grown in that period, suggesting that Ptr ToxA may not be an important factor responsible for enhanced prevalence of TS.

The Effect of Vitamin B-2 and (or) Vitamin B-6 Deficiency on Hematologic Profile in Rats (Vitamin B-2와 (또는 ) Vitamin B-6 결핍이 흰쥐의 Hematologic Profile에 미치는 영향)

  • 유정열
    • Journal of Nutrition and Health
    • /
    • v.22 no.3
    • /
    • pp.167-174
    • /
    • 1989
  • The purpose of this study was to determine if vitamin B-2 and vitamin B-6 deficiency affects hematologic profile in vivo. Rats were fed a vitamin B-2 deficient (-B2) diet or a vitamin B-6 deficient (- B6) diet or a combined vitamin B-2 and vitamin B-6 deficient (-B2-B6) diet or a control diet for 6 weeks. Hematocrit (Ht), hemoglobin (Hb), plasma iron (PI), transferrin saturation (TS) and liver iron concentration (LI) were compared. In -B2 rats vs. control rats, PI, TS and LI were significantly lower but Ht and Hb were not. In - B6 rats vs. control, Ht and Hb were significanty lower but LI was higher. The -B2-B6 rats had intermediate effects in Hb, PI, TS and LI and a decrease in Ht. The repletion with a contro diet for 2 weeks resulted in significant improvements in hematologic indices and LI in both - B2 rats and - B6 rats. This study suggests that the intakes of vitamin B-2 and vitamin B-6 are important for preventive and therap\ulcornereutic approaches to improve the hematologic status in nutritionally anemic groups.

  • PDF

Therapeutic Profile of T11TS vs. T11TS+MiADMSA: A Hunt for a More Effective Therapeutic Regimen for Arsenic Exposure

  • Chaudhuri, Suhnrita;Acharya, Sagar;Chatterjee, Sirshendu;Kumar, Pankaj;Singh, Manoj Kumar;Bhattacharya, Debanjan;Basu, Anjan Kumar;Dasgupta, Shyamal;Flora, S.J.S.;Chaudhuri, Swapna
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.13 no.6
    • /
    • pp.2943-2948
    • /
    • 2012
  • Arsenic exposure is a serious health hazard worldwide. We have previously established that it may result in immune suppression by upregulating Th2 cytokines while downregulating Th1 cytokines and causing lymphocytic death. Treatment modalities for arsenic poisoning have mainly been restricted to the use of chelating agents in the past. Only recently have combination therapies using a chelating agent in conjunction with other compounds such as anti-oxidants, micronutrients and various plant products, been introduced. In the present study, we used T11TS, a novel immune potentiating glycopeptide alone and in combination with the sulfhydryl-containing chelator, mono-iso-amyl-dimarcaptosuccinic acid (MiADMSA) as a therapeutic regimen to combat arsenic toxicity in a mouse model. Results indicated that Th1 cytokines such as TNF-${\alpha}$, $IFN{\gamma}$, IL12 and the Th2 cytokines such as IL4, IL6, IL10 which were respectively downregulated and upregulated following arsenic induction were more efficiently restored to their near normal levels by T11TS alone in comparison with the combined regimen. Similar results were obtained with the apoptotic proteins studied, FasL, BAX, BCL2 and the caspases 3, 8 and 9, where again T11TS proved more potent than in combination with MiADMSA in preventing lymphocyte death. The results thus indicate that T11TS alone is more efficient in immune re-establishment after arsenic exposureas compared to combination therapy with T11TS+MiADMSA.

Pig slurry treatment by the pilot scale hybrid multi-stage unit system (HMUS) followed by sequencing batch reactor (SBR) (HMUS와 SBR 반응조를 이용한 축분처리에 관한 연구)

  • Lee, Young-Shin;Han, Gee-Bong
    • Journal of the Korea Organic Resources Recycling Association
    • /
    • v.21 no.2
    • /
    • pp.63-70
    • /
    • 2013
  • Experiments in a pilot-scale hybrid multi-stage unit system (HMUS) combination of ATAD and EGSB followed by SBR process for pig slurry treatment were conducted to demonstrate the feasibility of using autothermal thermophilic aerobic digestion (ATAD) and expended granular sludge bed (EGSB) followed by sequencing batch reactor (SBR) system. Contaminants in pig slurry with high organic matter, nitrogen (N) and phosphorus (P) content were completely removed in the combined process. The highest removal rate for CODcr among contaminants in the feed pig slurry was attained by about 43.3% in ATAD unit process. Also TS removal rate of 96.5% was attained and the highest in the next coagulation unit process. The highest removal rate of CODcr under operating parameter conditions of OLR(organic loading rate), 3-6Kg $COD/m^3{\cdot}day$ and line velocity, 1.5-4m/h was earned at 3days of HRT. The disinfection of pathogens was effective at 50,000mg/L of TS in ATAD unit process. Biogas production per organic removal was $2.3{\sim}8.5m^3/kgTS{\cdot}d$ (average $5.2m^3/kgTS{\cdot}d$) in EGSB unit process. The average removal rates of CODcr 71.7%, TS 64.1%, TN 45.9%, and TP 50.4% were earned in the intermittent aeration SBR unit process.