Pub Date : 1997-06-11DOI: 10.1109/ICCE.1997.625976
Janssen
This paper presents a single-chip implementation of an audio D/A converter for the new Universal Serial Bus (USB)'. By using an asynchronous D/A converter module, the device converts USB audio PCM streams at any sampling frequency between S kHz and SS kHz to a highquality analog output signal.
{"title":"A Single-chip Universal Serial Bus D/A Converter For High-quality Audio Signals","authors":"Janssen","doi":"10.1109/ICCE.1997.625976","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625976","url":null,"abstract":"This paper presents a single-chip implementation of an audio D/A converter for the new Universal Serial Bus (USB)'. By using an asynchronous D/A converter module, the device converts USB audio PCM streams at any sampling frequency between S kHz and SS kHz to a highquality analog output signal.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116342324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1997-06-11DOI: 10.1109/ICCE.1997.625950
Chen, Panchanathan
The temporal content of a video is best specified by the camera and object motion parameters in the sequence. In this paper, we propose a novel camera operation detection algorithm based on spatio-temporal images and Hough transform. This algorithm is simple and computationally efficient.
{"title":"Camera Operation Detection For Video Indexing","authors":"Chen, Panchanathan","doi":"10.1109/ICCE.1997.625950","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625950","url":null,"abstract":"The temporal content of a video is best specified by the camera and object motion parameters in the sequence. In this paper, we propose a novel camera operation detection algorithm based on spatio-temporal images and Hough transform. This algorithm is simple and computationally efficient.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134292231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1997-06-11DOI: 10.1109/ICCE.1997.625868
Sookyung Kim, Young-Gil Kim, Youn-Sik Lee, Prabhakaran, Talke
~~~ ~ Head wear and head contamination of video heads is investigated in order to improve the reliability of the headtape interface. The location of deposits and the shape of the wear scar are studied, and the wear rate and contact pressure along the head surfiice are determined using the so called "micro-indentation technique". I. Introduction Video cassette recorders based on magnetic recording technology have become very common throughout the industrial world. Recent efforts have been directed toward improving the reliability of VCR's. These efforts have shown that the reliability of VCR's is closely related to head wear and contamination. Although the importance of head wear and head clogging is well known[',21, few experimental studies have addressed the relationship between head wear and head contamination. In this paper we have investigated the location of deposits on the head surface and the development of the wear scar. We have used the "micro indentation technique" in conjunction with Atomic Force Microscopy to determine the wear rate and contact pressure over the head as a function of position and time.
{"title":"A Study Of Head Wear And Head Contamination In Consumer VCR's","authors":"Sookyung Kim, Young-Gil Kim, Youn-Sik Lee, Prabhakaran, Talke","doi":"10.1109/ICCE.1997.625868","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625868","url":null,"abstract":"~~~ ~ Head wear and head contamination of video heads is investigated in order to improve the reliability of the headtape interface. The location of deposits and the shape of the wear scar are studied, and the wear rate and contact pressure along the head surfiice are determined using the so called \"micro-indentation technique\". I. Introduction Video cassette recorders based on magnetic recording technology have become very common throughout the industrial world. Recent efforts have been directed toward improving the reliability of VCR's. These efforts have shown that the reliability of VCR's is closely related to head wear and contamination. Although the importance of head wear and head clogging is well known[',21, few experimental studies have addressed the relationship between head wear and head contamination. In this paper we have investigated the location of deposits on the head surface and the development of the wear scar. We have used the \"micro indentation technique\" in conjunction with Atomic Force Microscopy to determine the wear rate and contact pressure over the head as a function of position and time.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124333611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1997-06-11DOI: 10.1109/ICCE.1997.625973
Mouri, Iida
htrduction Dolby Surround is a major surround sound for a movie and has expanded to home video system. But it requires five speaker arrangement for left (L) , right (R) , center (C) and two surround(S) channels. Placement of two rear speakers with connection wire causes uncomfortable situation in a living room. Wehaddeveloped3D-PHONICwhichcreatedsound image around a listener with only two fkont speakers. ThecombinationofDolbySurroundand 3D-PHONICenables2 speakerstoreproduceDolby Surround easily. This technology has beennamed "Dolby Pro Logic 3D-PHONIC" and has implemented in our TV and audio products, and PC sound card by a licensed company.
{"title":"Surround Sound Reproducing System With Two Front Speakers","authors":"Mouri, Iida","doi":"10.1109/ICCE.1997.625973","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625973","url":null,"abstract":"htrduction Dolby Surround is a major surround sound for a movie and has expanded to home video system. But it requires five speaker arrangement for left (L) , right (R) , center (C) and two surround(S) channels. Placement of two rear speakers with connection wire causes uncomfortable situation in a living room. Wehaddeveloped3D-PHONICwhichcreatedsound image around a listener with only two fkont speakers. ThecombinationofDolbySurroundand 3D-PHONICenables2 speakerstoreproduceDolby Surround easily. This technology has beennamed \"Dolby Pro Logic 3D-PHONIC\" and has implemented in our TV and audio products, and PC sound card by a licensed company.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124377017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This paper describes an optical pick-up with a liquid crystal shutter that can read both DVDs and CDs. The pick-up has an objective lens with a numerical aperture (NA) of 0.6, which is designed for DVDs. By changing the beam size which enters the objective lens using a liquid crystal shutter, it can read both DVDs and CDs.
{"title":"DVD/CD Compatible Pick-up With Liquid Crystal Shutter","authors":"Takagi, Yamada, Kajiyama, Kanou, Matsumura, Tsuchiya, Ichiura","doi":"10.1109/ICCE.1997.625894","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625894","url":null,"abstract":"This paper describes an optical pick-up with a liquid crystal shutter that can read both DVDs and CDs. The pick-up has an objective lens with a numerical aperture (NA) of 0.6, which is designed for DVDs. By changing the beam size which enters the objective lens using a liquid crystal shutter, it can read both DVDs and CDs.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116276227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We have developed a new LSI system for 8mm camcorder using digital video signal processing. The use of analog LSIs has limited the low supply voltage design and low power consumption. By replacing most of VCR signal processing to digital LSIs and applying some new techniques, we made it possible to reduce the supplied voltage and to cut the power consumption down to 5 0 % of our conventional systems. As the result, since digital video processing system has much more compatibility with video memory systems, it became easier to apply digital memory features to camcorder models in most price ranges. Y B a s e b a n d S i g n a l P r o c e s s o r
{"title":"Digital Video Signal Processing For WM Camcorders","authors":"Ueda, Ganse, Yanagi, Tanaka, Tomita, Ukai, Sato, Hiyoshi","doi":"10.1109/ICCE.1997.625947","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625947","url":null,"abstract":"We have developed a new LSI system for 8mm camcorder using digital video signal processing. The use of analog LSIs has limited the low supply voltage design and low power consumption. By replacing most of VCR signal processing to digital LSIs and applying some new techniques, we made it possible to reduce the supplied voltage and to cut the power consumption down to 5 0 % of our conventional systems. As the result, since digital video processing system has much more compatibility with video memory systems, it became easier to apply digital memory features to camcorder models in most price ranges. Y B a s e b a n d S i g n a l P r o c e s s o r","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"1150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120878621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1997-06-11DOI: 10.1109/ICCE.1997.625991
Imaide, Otsubo, Kinugasa, Kudo
A compact MPEG camera has been successhlly developed, where PC card (1.8"HDD or Flash card) was used as a recording media. This camera enables very quick file access and easy connection to PCs.
{"title":"An MPEG Camera With Tapeless Video Recording","authors":"Imaide, Otsubo, Kinugasa, Kudo","doi":"10.1109/ICCE.1997.625991","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625991","url":null,"abstract":"A compact MPEG camera has been successhlly developed, where PC card (1.8\"HDD or Flash card) was used as a recording media. This camera enables very quick file access and easy connection to PCs.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129220533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In order to realize a high-brightness compact liquid crystal (LC) projector, a high-collection illumination system comprising combinational reflectors, a polarization converter, and a high efficiency multi-lens has been developed.
{"title":"Compact LC Projector With High-brightness Optical System","authors":"Ohuchi, Kakuda, Yatsu, Ozawa, Deguchi, Maruyama","doi":"10.1109/30.628717","DOIUrl":"https://doi.org/10.1109/30.628717","url":null,"abstract":"In order to realize a high-brightness compact liquid crystal (LC) projector, a high-collection illumination system comprising combinational reflectors, a polarization converter, and a high efficiency multi-lens has been developed.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126819011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1997-06-11DOI: 10.1109/ICCE.1997.626032
Venson Shaw, Wahab, Wei KeeTan, Ong Swan Tah, Fu, Sung
A multiple layered client server system approach using wireless communications server for direct access of the Internet is presented. This would allow the Personal Communications Systems (PCS's) to act as a client, to request the information from the network, and to further allow the server to download the information and data from the Internet.
{"title":"A Client Server Based Wireless Communications Access To Internet","authors":"Venson Shaw, Wahab, Wei KeeTan, Ong Swan Tah, Fu, Sung","doi":"10.1109/ICCE.1997.626032","DOIUrl":"https://doi.org/10.1109/ICCE.1997.626032","url":null,"abstract":"A multiple layered client server system approach using wireless communications server for direct access of the Internet is presented. This would allow the Personal Communications Systems (PCS's) to act as a client, to request the information from the network, and to further allow the server to download the information and data from the Internet.","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126403219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1997-06-11DOI: 10.1109/ICCE.1997.625966
Brekelmans, Keibel, Weltersbach
This paper describes a new ,front-end technology for high performance TV and FM radio signal processing in multimedia applications. I t presents the principles of the combined video signal (TV) and sound signal (W and radio) demodulation using PLL techniques. This novel front-end demonstrates that FM radio and television I reception can be successfilly merged into one module , resulting in applications with reduced size and lower cost. INTRODUCTION tion, gain control, demodulation, switching, limiting and two PLLs are implemented on a single chip in an SSOP28 or SSOP20 package. The high level of integration achieved with the new advanced circuit design has resulted in a dramatic reduction of IC pin count, peripheral components, and factory alignments. On-chip functions of the IC (Fig.1) include: A vision IF (VIF) section with PLL for true synchronous demodulation of the video modulated IF signal A sound IF (SIF) section for QSS signal processing, together with an AM demodulator for the AM sound and a PLL for demodulating the FM sound IF signals Additional stages for FM radio detection which are combined with the TV sound IF circuit. This paper describes a novel RF concept which is capable of receiving both broadcast television and FM radio signals, and is intended for applications in desktop personal computers. Compared to solutions using separate-radio and TV tuners, the module allows for a considerable reduction in total cost and board space. The cost saving is achieved by sharing key components and other circuitry needed for channel selection and demodulation of broadcast television and FM radio. Multistandard true synchronous VIF-detection ( p o d Major features of the IC include: 5 V supply voltage and low power consumption in power-down mode Small SSOP20 or SSOP28 SMD package neg. modulation) [I] Multistandard SIF demodulation (AM/FM); optional QSS Alignment-free, highly linear, low noise PLL FM demodulator, switchable between TV FM IF and radio IF Alignment-free AM detector (Secam L). Receiving FM radio with a television tuner has been demonstrated before, but always with mediocre performance. In this respect the novel TV/FM front-end can be considered a breakthrough; the quality of the FM audio delivered is more than adequate, and competes with that of * an average Mini HiFi system and or separate radio modules available on the market. A novel feature of the RF module design is a new IC2 with circuitry for both radio and television demodulation. The front-end is designed for a single 5 v Power SUPPlY using an internal D C D C COnverter to generate the tuning voltage. TV/FM FRONT-END The complexity of the circuitry and the number of components used were minimized by merging TV and FM signal processing in a single module (Fig.2). The key functions, and the specific implementation problems and solutions which were covered include: IF PLL FOR TV/FM-RADIO FM receiver concept choice Local oscillator spectral purity A new IC using an advanced mu
本文介绍了一种用于多媒体应用中高性能电视和调频广播信号处理的新型前端技术。介绍了利用锁相环技术实现视频信号(TV)和声音信号(W和radio)组合解调的原理。这种新颖的前端表明，调频广播和电视I接收可以成功地合并到一个模块中，从而减少了应用的体积和成本。增益控制、解调、开关、限流和两个锁相环在单芯片上实现，采用sssop28或sssop20封装。新的先进电路设计实现了高水平的集成，从而大大减少了IC引脚数、外围元件和工厂校准。集成电路的片上功能(图1)包括:视觉中频(VIF)部分和锁相环，用于视频调制中频信号的真正同步解调;声音中频(SIF)部分用于QSS信号处理，以及用于调幅声音的调幅解调器和用于解调FM声音中频信号的锁相环;另外用于FM无线电检测的级与电视声音中频电路相结合。本文描述了一种新的射频概念，它能够同时接收广播电视和调频无线电信号，并打算应用于台式个人计算机。与使用独立无线电和电视调谐器的解决方案相比，该模块可大大降低总成本和电路板空间。通过共享广播电视和调频收音机的频道选择和解调所需的关键元件和其他电路，实现了成本节约。多标准真同步vif检测(po d) IC的主要特点包括:5v供电电压，下电模式功耗低。smop20或SSOP28 SMD封装负。[I]多标准SIF解调(AM/FM);可选的无QSS校准，高度线性，低噪声锁相环调频解调器，可在电视调频中频和无线电中频之间切换-无调频中频校准调幅探测器(Secam L)。以前已经演示过用电视调谐器接收调频广播，但性能总是一般。在这方面，新颖的电视/调频前端可以被认为是一个突破;调频音频传送的质量是绰绰有余，并竞争的*平均迷你高保真系统和/或独立的无线电模块在市场上可用。射频模块设计的一个新特点是一个新的IC2与无线电和电视解调电路。前端设计用于单个5v电源，使用内部dc - C - dc转换器产生调谐电压。通过将电视和调频信号处理合并到一个模块中，电路的复杂性和所用组件的数量被最小化(图2)。本文讨论了电视/调频-无线电调频接收机的中频锁相环的关键功能、具体实现问题和解决方案，包括:本振频谱纯度的选择。本文开发了一种采用先进的多标准中频锁相环的新型集成电路，用于该多媒体应用中视觉和声音中频信号的处理。各级放大器用于电视和调频的射频选择性调频中频频率的选择和滤波。这些将在全文中更详细地描述，以及模块尺寸，对不必要RF信号的抗扰度，EMC和电源(使用新的DCIDC转换器)等方面。我。该模块的商用名称为FM1200。2. 该集成电路的商用名称为TDA9816M或TDA9809M。
{"title":"A Novel TV/FM Front-end For Multimedia Applications","authors":"Brekelmans, Keibel, Weltersbach","doi":"10.1109/ICCE.1997.625966","DOIUrl":"https://doi.org/10.1109/ICCE.1997.625966","url":null,"abstract":"This paper describes a new ,front-end technology for high performance TV and FM radio signal processing in multimedia applications. I t presents the principles of the combined video signal (TV) and sound signal (W and radio) demodulation using PLL techniques. This novel front-end demonstrates that FM radio and television I reception can be successfilly merged into one module , resulting in applications with reduced size and lower cost. INTRODUCTION tion, gain control, demodulation, switching, limiting and two PLLs are implemented on a single chip in an SSOP28 or SSOP20 package. The high level of integration achieved with the new advanced circuit design has resulted in a dramatic reduction of IC pin count, peripheral components, and factory alignments. On-chip functions of the IC (Fig.1) include: A vision IF (VIF) section with PLL for true synchronous demodulation of the video modulated IF signal A sound IF (SIF) section for QSS signal processing, together with an AM demodulator for the AM sound and a PLL for demodulating the FM sound IF signals Additional stages for FM radio detection which are combined with the TV sound IF circuit. This paper describes a novel RF concept which is capable of receiving both broadcast television and FM radio signals, and is intended for applications in desktop personal computers. Compared to solutions using separate-radio and TV tuners, the module allows for a considerable reduction in total cost and board space. The cost saving is achieved by sharing key components and other circuitry needed for channel selection and demodulation of broadcast television and FM radio. Multistandard true synchronous VIF-detection ( p o d Major features of the IC include: 5 V supply voltage and low power consumption in power-down mode Small SSOP20 or SSOP28 SMD package neg. modulation) [I] Multistandard SIF demodulation (AM/FM); optional QSS Alignment-free, highly linear, low noise PLL FM demodulator, switchable between TV FM IF and radio IF Alignment-free AM detector (Secam L). Receiving FM radio with a television tuner has been demonstrated before, but always with mediocre performance. In this respect the novel TV/FM front-end can be considered a breakthrough; the quality of the FM audio delivered is more than adequate, and competes with that of * an average Mini HiFi system and or separate radio modules available on the market. A novel feature of the RF module design is a new IC2 with circuitry for both radio and television demodulation. The front-end is designed for a single 5 v Power SUPPlY using an internal D C D C COnverter to generate the tuning voltage. TV/FM FRONT-END The complexity of the circuitry and the number of components used were minimized by merging TV and FM signal processing in a single module (Fig.2). The key functions, and the specific implementation problems and solutions which were covered include: IF PLL FOR TV/FM-RADIO FM receiver concept choice Local oscillator spectral purity A new IC using an advanced mu","PeriodicalId":127085,"journal":{"name":"1997 International Conference on Consumer Electronics","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126568276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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