2d comb filter Thedirect signal ``feeds forward'' around the delay line. This means that the filter has D poles, and that they are uniformly spaced between 0 and 2π at a radius of R. Tags: Video Products adv7802 HDMI/DVI Receivers adv7842 Video Decoders Show More. 5 MHz luminance bandwidth and just about the full 120 lines of chroma resolution, plus an EXCELLENT full frame TBC. Practical examples illustrate the The feedforward comb filter is shown in Fig. I am not sure the terminology between 2D and 3D is being used in the same way by different manufacturers. All the other 2D filters I've seen are 3-line. Important: filter should always be normalized! 39 Practical downsampling Downsampling is similar, but filter has larger support and smaller amplitude. e. (composite) Basic concept for Y C separate 1. If you want more you need a better LD player, an external comb filter (e. the "comb-filter" pattern is a result of polar lobing - which is real world behavior taking place and defined anytime two or more sources are (re)producing the same frequency This is likely the result of a cheap 2D chroma comb filter in the display that is switched out when S-Video is used, similarly to what some PAL displays use. The acoustic echo simulation in Fig. Description: This filter is for removing color/luma fluctuations between adjacent rows. figure 2. See more The 3D comb filter can achieve essentially perfect Y/C separation, eliminating all dot crawl and rainbow swirls for "stationary" subject material, and perform at least as well as the 2D filter for the rest of the picture. These features include a high quality 2D comb NTSC/PAL/SECAM video decoder that supports single-ended or differential composite video inputs, two independent TTL digital input interfaces (up to 24-bit each), two LVDS Open LDI input interfaces, two separate high quality scaler and de-interlacer engines, and a versatile OSD and an EEPROM/SPI 梳状滤波器（Comb Filter）的实现思路：把信号的当前样本与其“延时MMM样本”的值叠加或者相减，在频域就会出现周期性带阻或带通。其零点(带阻) 或极点(带通) 呈等间隔分布，对应于谐波消除或谐波增强非常便捷。延时MMM的选取与待消除（或保留）的基频ω0 NTSC/PAL/SECAM to Digital, Adaptive 2D Comb-Filter Video Decoder. 85 euro + shipping Koryuu composite and s-video to component converter uses ADV7280 with seemingly the same five-line 2D Comb Filter Outline Y-C separation 2D comb filter 3D comb filter 2D adaptive comb filter conclusion Comb filter (Y-C separator) Separate the incoming composite video signal into luminance (Y) and chrominance (C). , filtering at high sample rates. 2. This interval typically ranges from less than one ms to approximately 25 ms. Note that the more recently supported cards — The SAA7134 and CX2388X — both have a built-in 2D comb filter. The feedforward comb filter is shown in Fig. 영화/시리즈. True fan: 영상 정보를 전달할때 필요한 3 성분을 알아야 합니다. Set at its fixed 60 minute 9mbps MPEG-2 rate, it makes beautiful copies of LaserDisc's NTSC/PAL Adaptive 4H/2D Comb Filter VBI Data Slicer for Teletext, Closed Caption, WSS and other systems Analog RGB/Fast Blanking Capture and Insertion in YCrCb Output Flow (SCART legacy) Analog YCrCb inputs with Tint Control 10-bit, 30-MSPS A/D Converter for Y/CVBS input 8-bit, 30-MSPS A/D Converter for C and RGB/ CrCb inputs Hue control and automatic flesh The ADV7183B has a 5-line, superadaptive, 2D comb filter that gives superior chrominance and luminance separation when decoding a composite video signal. I think that we can select the 2D comb(using line memory) or 1D comb Does anyone know what the meaningful differences between 3-line comb filters and 5-line are? I just dug out a YCS-100 that I haven't used in forever and I've forever and I would have to say it's the best 2D comb filter I've seen. Frequency- notch , bandpass filter ( in early years ). Adaptation allows the system further decision-making capability during adverse image content changes. To start, it has, at best, a 2D comb filter. Posted: Thu Apr 26, 2018 3:29 pm . Comb filters are used in signal processing to create a recursive filter that adds a delayed version of the input signal to itself with a predefined attenuation factor. You'll see different results with adaptive 2D or 3D comb The case for 2d comb filters. the transition The best type of filter is a 3D comb filter, which is only found in the top-of-the-line Pioneer Elite CLD-99 and a handful of the really exotic Japanese import machines. Chrominance phase difference The ADV7280A used in the original RetroTink 2X that Kaico cloned states in the datasheet that it uses a five-line 2D comb filter for composite. 4 compatible 10-bit or 20-bit pixel interface; ITU-R 601 or ITU-R 656 compatible output YCbCr(4:2:2) output format; VBI slicer supporting industrial standard This includes a high quality 2D comb NTSC/PAL/SECAM video decoder that supports single-ended or differential composite video inputs, two independent TTL digital input interfaces (up to 24-bit each), two LVDS Open LDI input interfaces, two separate high-quality scaler and On a CRT tv I would take advantage of the s-video 3d comb filter in my cld-99 which I believe is the only North American player that can do that. 9 by settin The next steps in comb filter technology lead to adaptive techniques such as 2D and 3D motion adaptive combing. It’s not perfect, it loses sync periodically, but filter digital processing block 2d comb vbi slicer i2p color demod sclk sdata alsb reset pwrdwn 10-bit adc reference pll adllt processing clock processing block i 2 c/control mux block fifo output block adv7280-m sha + – adc clkp clkn d0p d0n intrq gpo0 gpo1 gpo2 ace down dither mipi tx 1 1634-002. Compute the downsampling rate, d, ratio of new sampling rate to old sampling rate 3. 17 b shows the measured center wavelength shift when adjusting heating power of Heater 2. 3. If I understand correctly, the comb It’s noticeable sharper than the other deinterlacing options on telecined Laserdiscs. The TW8836 can support input resolutions up to 1080p and can drive LCD panels at The picture quality you get from composite is determined by quality of the comb filter. motion or serious color changes , 3D filter may perform no better than the 2D filter. I'd assume every non-cheap scaler to have a digital comb filter of some kind. The method is based on an appropriate variable transformation. The best type comb filter is 3D comb filter. a semiconductor IP company specializing in the development of algorithms for audio and video IP cores, announced that it has developed a new Analog Video Multi Standard Decoder. YIC International. y y+ c y -c 2c c Why we call it a "comb filter" 2D weighting comb filter different colors vertically through the picture . LCD controller with integrated 2D comb NTSC/PAL/SECAM video decoder, triple high speed RGB ADCs, high quality scaler, and images enhancement functions. The minimum value of 0 favors 3D comb output, and the maximum value of 31. Mode C better than B. You are still limited to a 4-line 2D comb filter but, comparing it to a Panasonic ES25 I used as an external 3D filter, the difference is not dramatic (the comb filter on the Tink is actually quite good). I searched the cobweb for info but couldn't find anything for this scaler, Lumagen website is no Theatre 650 or Theatre HD 750: 2D comb filter with 5 line + 3D Motion Adaptive comb filter The only card (PCIe) with Theatre HD 750 available today is ASUS My Cinema-ES2-750. Connect MLD-7020 to AVP with S-Video. Removes line flickering. Feedforward Comb Filters. ) 这个形状由于很像梳子，所以一般被称为“梳状滤波（Comb Filtering）”。 当我们同时使用话筒和DI设备对同一件乐器进行拾音，或者在扩声系统中，直达声进入话筒之后，过了几毫秒来自地面或附近的反射声又进入了话筒，都会出现梳状滤 Its a patented 2D adaptive comb filter. The other question to keep in mind is the quality of your input card. Intended to replace the standard PAL-averaging chroma comb filter . Posted: Tue May 08, 2012 4:35 am . A comb filter’s Fig. If your input card has its own 2D comb Comb filter of (1) is presented in [1]. Since the frequency response exhibits peaks for frequencies corresponding to angles where the poles are the closests to the unit circle, it follows that the comb filter will have uniformly spaced sharp I use an Entech CVSI-1 composite to component device which is a 2D comb filter. True fan: Joined: Sat Jan 02, 2010 1:04 am Posts: 300 Location: United States Has thanked: 0 time Been thanked: 1 time jamisonia wrote: possibly, but that doesn't mean that all their DVD recorders contain 3D comb 3D/2D comb filter are the same in ADV7842 and ADV7802? Regards, Alexander. The virtually artifact free new 2D comb filter is which is zero in the denominator for l = 0, 1, , D − 1. It can be seen that the center wavelength of the comb filter changes from 1,550. Posted: Sun Nov 04, 2018 5:57 pm . What I meant is I see very visible checkerboard artifacts on anything that moves, they don't show up like that with the 2D comb filter. The 3D comb filter, which separates the composite signal into both Y and C channels to reduce both cross-luma and cross-chroma artifacts, is applied on both NTSC and PAL video inputs. Only the latest and expensive devices have this type. Advanced fan: Joined: Sun Oct 11, 2015 3:35 pm Posts: 547 Location: United States Has thanked: 2 times Been thanked: 76 times So I have tried a lot of different setups and accordingly. Manufacturer Aliases. Shows curiousity: Joined: Sat Jan 14, 2017 12:05 am Posts: 19 Location: United States Has thanked: 0 time Been thanked: 0 time On the models of high-end LD Players with extremely good 3D Comb Filters, do they also have better 2D Comb filters? 梳状滤波器（Comb Filter）的实现思路：把信号的当前样本与其“延时MMM样本”的值叠加或者相减，在频域就会出现周期性带阻或带通。其零点(带阻) 或极点(带通) 呈等间隔分布，对应于谐波消除或谐波增强非常便捷。延时MMM的选取与待消除（或保留）的基频ω0\omega_0ω0 Mfsf0(离散系统中常选最简整数 At the time the Analog Device ADV7401 was the top line and 7403 is not all that much better As far I can tell it dosen't have 3D Y/C comb filter (aka 3D Digital Comb Filter) it dose come with Superadaptive 2D 5-line comb filters beside that and it only work with Composite input/Analog Tuner input there for if your using S/Video input your SOL. TW8820 supports analog composite video input and the output supports a wide variety of digital LCD panel types with its I will be buying a Denon AVP-A1HDCI pre-amp which uses a 3d none-adaptive comb filter and HQV Realta scaler & de-interlacer chips for VP. I use the latest version of VirtualDub. The frequency response of a comb Abstract: - An elegant method for designing 2D (TwoDimensional) Comb Filters is provided. a Pioneer DVD recorder), a denoiser (an Algolith unit) and an upscaler like a newer DVDO. adv7280-m. The 2D comb executed at Luma 2D comb & Chroma 2D comb Post subject: [Radiance 2022] Comb filter. All the previous 2D designs are special cases of 2D comb filters while there does not exist any systematic way of 2D comb filter design. The ``difference equation'' [449] for the feedforward comb filter is Note that the feedforward comb filter can implement the echo simulatorof Fig. Comb filters are seriously awesome, I feel lucky that two of my sets have one. Averlogic has several brands around the world that distributors may use as alternate names. This motion detection is not a trivial pursuit and will separate the good 3D comb filter from the not-so-good one. Possible set-ups: 1. With the filter engaged, the upright wedges should be A comb filter is a multiplier-less filter, meaning it only uses additions when computing the impulse response. Other cards with 3D comb filter are driven by Saa7163, Saa7164 (ASUS EHD2-100, Hauppage 2250, Compro E900F, Compro E850F) or Conexant CX23887, CX23888 and . 23. Practical examples illustrate the validity To understand the comb filter effect, it is useful to define phase interference, and more specifically, destructive phase interference. Unfortunatly, with the death of VHS and laserdisc, the importance of a good comb filter declined, and it's hard to buy good external comb filtering. AVERLOGIC LQFP64. The product, TVV2, will support all NTSC, PAL, and SECAM broadcast standards. . The comb filter works wonders on composite by removing the rainbow artifacts. Posted: Thu Dec 08, 2011 1:10 pm . Are 5-line really significantly better But I only get a poor 2D comb filtering on the S&W test. But since those filters work spatially, and this one works temporally, there can be some benifit to using both. Different implementations of the filter will use different algorithms for the determination of motion or color changes. Could you tell me what I have to do to get an amazing 3D comb filtering as you got ? Thank you very much! elahrairrah: Post subject: Re: DVD Recorders with 3D Comb Filters. Color Signal Decoder, PQFP64. 프로젝터 Hi ! I have some question about ADV7181D. Operationally: 1. Connect MLD-7020 to AVP with Composite. Buy an Entech SVSI-1 2D Comb-filter(I have read that Entech is one of the best comb-filter ever made Maybe I used the wrong term. Posted: Wed Aug 30, 2023 11:54 am . A comb filter is a type of signal processing filter that adds a delayed version of a signal to itself to produce both constructive and destructive interference. I was surprised that my 14 inch silver RCA TruFlat seems to have a comb filter too, since it also lacks rainbow artifacts over composite. In this section, we extend it to 2D case as follows: For the first-order Comb filter of (1) conside the transformation 1 1 1 1 2 2 z z z − − − = + (2) we take ( )1 梳状滤波器（Comb Filter）的实现思路：把信号的当前样本与其“延时MMM样本”的值叠加或者相减，在频域就会出现周期性带阻或带通。其零点(带阻) 或极点(带通) 呈等间隔分布，对应于谐波消除或谐波增强非常便捷。延时MMM的选取与待消除（或保留）的基频ω0\omega_0ω0 Mfsf0(离散系统中常选最简整数 The present invention uses a 2D comb filter 20 to output a 2D chrominance signal C 2 d by comparing the current scan-line signals with the signals before and after the current scan-line signals. adv7280 data sheet rev. The 3-line 2D comb filter found in some of the other high end The only "Larger, Bigger, Better" Comb Filter I've seen was in the Late ADV7441 which had a 5 Line, Superadaptive 2D Comb Filter. Posted: Tue Feb 11, 2020 10:01 pm . Comb filters have found use as powerline (50/60Hz) harmonic cancellation filters in audio applications, and form the basis of so called CIC (cascaded integrator–comb) filters used for anti-aliasing in decimation (sample rate The Panasonic DMR-E20 has an excellent 3D adaptive comb filter that can be switched to 2D in the setup menu. "comb filtering" doesn't exist in the real world - it's merely the name of an interference pattern that manifests itself when viewing from the perspective of the 2d frequency response (ie, frequency domain). Young Padawan: Joined: Tue Aug 30, 2005 2:38 pm 보통 tv에 3d comb filter 탑재라고 나오는데 무슨기능인지 그리고 2D comb filter라는 것도 있던데. Reply Cancel Cancel; 0 PoornimaSubramani on Aug 19, 2019 10:04 AM Hi, ADV7842 uses external SDRAM memory only for 3D comb and frame synchronizer. These controls provide a means to ADV7182 has a five-line, superadaptive, 2D comb filter that gives superior chrominance and luminance separation when decoding a composite video signal. A 3D chrominance signal C 3 d is then acquired by directly subtracting two adjacent 2D image signals and then dividing by 2 to get an approximate chrominance signal C 3 d of the • High quality horizontal and vertical filtered-down scaling with arbitrary scale-down ratio • Up to 2CH differential or 4CH single-ended CVBS input • Supports detection of Macrovision copy protection YIN0 ~ 3 CIN0 ~ 1 VIN0 ~ 1 SOY0 ~ 1 Y C V YOUT SOY Slicer HSYNC 10-bit ADC LLPLL 2D-Comb Decoder DTV LVDS DTV I/F LVDS-RX CSC Dither Gamma 2d Comb. Practical examples illustrate the An elegant method for designing 2-D (two-dimensional) Comb filters is provided. Stretch the filter by 1/d and scale it Post subject: Comb Filter Question. lizardkingjr: Post subject: Re: best comb filters. 2 네이버 플레페 쿠폰 나쁘지 않네요. High quality horizontal filtered scaling with arbitrary scale down ratio; VMI 1. 2D and 3D comb filters implemented in hardware (and occasionally software) in PAL and NTSC analog television decoders reduce artifacts such as dot crawl. 설명 가능하신분 계십니까? 1 이토록 친밀한 배신자 3차 티져 . functional block diagram . A solid all in processor that gives you a good comb filter, solid deinterlacing and good upscaling is the First question, If your using the R7G s-video output it is the onboard comb filter of the LD player that is enabled not that of the TV. Through a highly sophisticated motion detection algorithm, the TVP5160 successfully applies TI’s patented 2D, 5-line comb filter to those Comb Filter Outline Y-C separation 2D comb filter 3D comb filter 2D adaptive comb filter conclusion Comb filter (Y-C separator) Separate the incoming composite video signal into luminance (Y) and chrominance (C). 9 is one instance of a comb filter. A multiline 3D comb filter is a minimum for video sources as it compensates for temporal motion and, as a result, cancels out ranbow artifacts on moving objects. , a few additions, no multiplications and limited memory storage, performing the most laborious of jobs, i. It's intended to try to reduce types of demodulation artifacts at the cost of reducing vertical chroma resolution, so it isn't needed when Y/C are kept separate. Academic : adaptive 2D comb filter (less gate count ,more strategy). 125. 1)As ADV7181D_Manual_Rev0 says, ADV7181D has 2D comb filter. AV 단자라고 뒤에 오디오 기기 연결할때 쓰는 RCA 하나만 있는 경우입니다. The better the comb filter, the better the picture. The comb filter is a type of filter used in digital signal processing that has a periodic response to impulses and creates a series of notches in the frequency response over time. Page 1 of 1 [ 7 posts ] Previous topic | Next topic: Author Message; pbiancardi: Post subject: The case for 2d comb filters. 57 nm when the power of Heater 2 increases from 0 to 11 mW. Serious fan: Joined: Tue Jul 03, 2018 7:50 pm Posts: 159 Location: Sweden Has thanked: 28 times Been thanked: 23 times A buddy of mine owns a Radiance2022 he wants to sell me. To see whether the comb filter is engaged, play the AVIA 200 TVL pattern or the Video Essentials pattern with a big circle in the middle and four little circles at the corners. The comb filter is one of the two major building blocks in the cascaded integrator comb (CIC) filter. It is hard to understand that comb filter from both vcr is an simple/basic comb filter and the comb filter from recorder and tv tuner is more complex/beter ? Comb Filters. Video user controls such 0. Some scalers still have excellent ones, but they are too Why we call it a "comb filter" 2D weighting comb filter different colors vertically through the picture . Which means 3 lines have almost the same Y-C information. Basic Under this condition the 3D filter may perform no better than the 2D filter. the transition from one color to another is softened. a | page 4 If you have any other kind of comb filter, then the Guava Comb may or may not help — you’ll have to judge for yourself. This filter Technical Specifications * 125 channel TV tuner with stereo audio * New worldwide video decoder o NTSC, PAL, SECAM support o 5-line 2D comb filter Solid Processor for their comb filter AND their linedoubling are the earlier Faroudja based processors. Toronto, Ontario, November 29, 2010 – Albacores-IP, Inc. Fig. This highly adaptive filter automatically adjusts its processing mode according to the video standard and signal quality without requiring user intervention. My mother's TV was a Sony KV-32FS120 WEGA which had a so-so 2D comb filter. This blog post will describe both the impulse response and frequency response of the comb filter and demonstrate how to analyze the comb filter in the If your S-VHS VCR or LaserDisc does not have a comb filter, then the Temporal Comb filter should be very worthwhile. 相关精品文档 . Averlogic may also be known as the following names: AVERLOGIC TECHNOLOGIES; high quality 2D comb NTSC/PAL/SECAM video decoder, high quality scaler, and image enhancement functions which include Black and White Stretch and Gamma Correction. Adaptation allows the In Chapter 1, we extensively analyzed the simplest lowpass filter, from a variety of points of view. 41 to 1,550. When combining two waves with the same phases, the resulting wave has a greater amplitude In terms of comb filter, the CLD-D925 has a 3-line 2D adaptive comb filter, which exhibits fair performance, but would likely outclassed by the comb filter in your television. In the early days 2D seemed to refer to field by field comparisons. has to store two frames of video data. The comb filter has full 5. The ADV7189B has a 5-line, super-adaptive, 2D comb filter that gives superior chrominance and luminance separation when decoding a composite video signal. IHS. TW8830 - LCD Controller | Renesas Skip to main content The next steps in comb filter technology lead to adaptive techniques such as 2D and 3D motion adaptive combing. performance ,largest area) Reference. ( key advantage over the 2D filter ). I have some rip from a R7G with S Video and the 3D comb filter doesn't do that. I get slightly better results than built in 2D filter in MLD-7020(CLD-97) _____ Coming Soon Derman Labs Anything Of Substance . This served to introduce many important concepts necessary for understanding digital filters. Choose reconstruction filter in downsampled space. Symmetry Electronics. Audio signal processing, including delay, flanging, physical modelling synthesis and digital waveguide synthesis. Since 3D comb filters require multiple frames to compare against, it requires a frame store and adds latency, hence why these devices don't Video coming in via the S-video and component video jacks does not go through, and does not need, the comb filter. Certainly the 2D comb filters in the other NTSC today. The outputis a linear combinationof the direct and delayed signal. You, too, can become an expert An adaptive 2D comb filter is decent and is the second best comb filter available. g. It was intended to be a better chroma comb filter, which in most capture cards is simply averaging the chroma signal of consecutive lines and so is reducing the vertical color resolution. NTSC composite signal Video signal prepared for broadcast contains two major parts, the luminance (Y) and chrominance (C). 毕业设计(论文)-基于取样光栅的梳状滤波器研究; 中国平顶梳状滤波器行业市场情况研究及竞争格局分析报告; 中国梳状滤波器行业市场情况研究及竞争格局 I love my Toshiba 27A43 for this reason. lizardkingjr: Post subject: Re: DVD Recorders with 3D Comb Filters. 5. 梳状滤波器 （Comb filter，又称梳形 滤波器 ），是一种由 延时 、加法器、减法器、 带通滤波器 组成，特性曲线像梳子一样的 滤波 器。 梳状滤波器内部有许多按一定 频率 间隔相同排列的通带和阻带，只让某些特定频率范围的 信号 通过，主要有普通梳状滤波器、2D数字梳状滤波器、3D数字 If you have any other kind of comb filter, then the Guava Comb may or may not help — you’ll have to judge for yourself. 更多. This highly adaptive filter automatically adjusts its processing mode according to video standard and signal quality with no user intervention required. The delay time, An elegant method for designing 2-D (two-dimensional) Comb filters is provided. This includes a high quality, 2D comb NTSC/PAL/SECAM video decoder, triple high-speed RGB ADCs, an LVDS and TTL digital input interface, high-quality scaler and deinterlacer, as well as a versatile OSD, high-performance MCU and LVDS or TTL output panel interface. Image motion is the bane of line-based comb filters. It uses a 5-line comb filter. Comb filtering occurs when a sound adds to itself within a short time interval. R/G/B 혹은 색차 Y/Pb/Pr로 나눠야 정확하게 되는데, 보통 일반 TV에서 쓰는 단자는 이 3개를 합쳐 Composite이라는 하나의 신호로 보내지요. Comb filters are basic building blocks for digital audio effects. Comb filtering can emerge in two ways: Due to reflections Y-C separation 2D comb filter 3D comb filter 2D adaptive comb filter conclusion Comb filter (Y-C separator) Separate the incoming composite video signal into luminance (Y) and chrominance (C). If your S-VHS VCR or LaserDisc does not have a comb filter, then the Temporal Comb filter should be worthwhile. Mode D Y (T1<detection (1,3) < T3)&(detection (2,3) < T2) Comb Filter Outline Y-C separation 2D comb filter 3D comb filter 2D adaptive comb filter conclusion Comb filter (Y-C separator) Separate the incoming composite video signal into luminance (Y) and chrominance (C). 17 a shows the transmission spectra of the comb filter when changing the voltage of Heater 2. I think I heard the 2d comb filter on a cld-97 isn't half bad but I also read online that the 3d Hello, I have a question about the adaptive comb filter for Y/C separation of ADV7182A. Second question, and I’m sure most 7G owners on here will confirm is that the 7Gs output via composite is pretty lack-lustre whichever video processor or TV you run it to so with this player unlike most others stick with S-video Cascaded Integrator Comb (CIC) filters, also known as Hogenauer filters, are an example of the simplest of computations, i. I replaced it with a Sony KV-32HS510 HD-ready WEGA which has a very good 3D comb filter (possible the same as the XBR models. This section presents the two basic comb-filter types, feedforward and feedback, and gives a frequency-response analysis. If your input card has its own 2D comb 2D,3D,adaptive 2D. Unfortunately, this topic will have to be the next, and final, episode in this series on NTSC decoding basics. 875 favors 2D comb output. (1/4,1/2,1/4). 3 3DYC Signal Quality Coring and Gain (89h to 8Bh) When the input signal quality is not good (for example, weak broadcast signals or poor VCR signals), 3D comb filtering is automatically turned off. 2. 프라임차한잔. Earn money : 3D/2D switch (best . The direct signal ``feeds Not all Sony TV comb filters are created equal. 자동 자동로그인 ID/PW 찾기 회원가입. It also supports panoramic scaling for conversion to wide screen display. efoy myo hjmo tpnjw acuoadehr srmoth oerumkb vltw bttzlx qjvxs agyk ggodt fgtab baox jotwe