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<blockquote data-quote="kaukas" data-source="post: 814225" data-attributes="member: 116951">Hello, i know here is a lot of smart ppl who knows about video compressors/decoders and video qualitysI want to compare two DVB-C receivers:lets first one call &quot;reciver Nr.1&quot;Feature:&nbsp; &nbsp; Compliant MPEG-4/H.264 &amp; DVB-C (High Definition)&nbsp; &nbsp; Selectable outputs 576I/720P/1080I display formats&nbsp; &nbsp; YPbPr, HDMI Video and Euro SCART Outputs&nbsp; &nbsp; VFD display for Local Time or Channel Name and Program Name (Option)&nbsp; &nbsp; RS232&nbsp; &nbsp; 16:9, 4:3&nbsp; &nbsp; EPG&nbsp; &nbsp; Supporting a number of leading middleware and integrated CA combinations&nbsp; &nbsp; CAS: Conax Specification:Tuner and Channel:DVB Type&nbsp; &nbsp; DVB-CFrequency Range:&nbsp; &nbsp; &nbsp; &nbsp; 51 MHz-858 MHzDemodulation:&nbsp; &nbsp; &nbsp; &nbsp; 16QAM, 32QAM, 64QAM, 128QAM, 256QAMInput Connector:&nbsp; &nbsp; &nbsp; &nbsp; IEC 169-2, F-type, FemaleInput Signal Level:&nbsp; &nbsp; &nbsp; &nbsp; -15dBm ~ +15dBmMpeg TS A/V decoding:&nbsp; &nbsp;&nbsp; Transport stream:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; MPEG-2 ISO/IEC 13818 Transport Stream SpecificationProfile Level:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; MPEG-2 MP@HL, H.264/AVCInput Rate:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Max. 15Mbit/sAspect Ratio:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 4:3, 16:9Video Resolution:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1920*1080i, 1280*720p, 720*576iAudio Decoding:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; AC3, MPEG-1/2 layers 1,2Audio Mode:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Mono / Stereo / Joint Stereo / Dual ChannelCA system:&nbsp; &nbsp;&nbsp; CommonInterface&nbsp; &nbsp; NoCard Reader&nbsp; &nbsp; 1 Slot card reader with integrated CONAX CAMCAS&nbsp; &nbsp; ConaxChipset pairing&nbsp; &nbsp; NoA/V and Data output:&nbsp; &nbsp;&nbsp; Component&nbsp; &nbsp; 2 set (RCA Type; Y, PB, Pr)Scart&nbsp; &nbsp; 2 ConnectorS-Video&nbsp; &nbsp; NoHDMI&nbsp; &nbsp; 1 ConnectorRS 232&nbsp; &nbsp; 1 (D-Sub)S/PDIF&nbsp; &nbsp; 1 OpticalUSB&nbsp; &nbsp; NoSystem Resources:&nbsp; &nbsp;&nbsp; CPU&nbsp; &nbsp; N/ACPU Speed&nbsp; &nbsp; N/AFlash Memory&nbsp; &nbsp; N/AEEPROM&nbsp; &nbsp; N/ASDRAM&nbsp; &nbsp; N/APower Supply:&nbsp; &nbsp;&nbsp; Input Voltage&nbsp; &nbsp; AC 90 to 260VType&nbsp; &nbsp; SMPSPower Consuption&nbsp; &nbsp; MAX. 27WProtection&nbsp; &nbsp; Separate internal fuseStandby Power&nbsp; &nbsp; N/APhysical Specification&nbsp; &nbsp;&nbsp; Size&nbsp; &nbsp; 360 x 60 x 270(mm)Net Weight&nbsp; &nbsp; 3.4KgOperation Temperature&nbsp; &nbsp; 0o ~ 45o CStorage Temperature&nbsp; &nbsp;&nbsp; -10o ~ +50o Cand the second &quot;reciver Nr. 2&quot;Features:&nbsp; &nbsp; HDTV cable receiver with HD and SD reception (MPEG-2 / MPEG-4)&nbsp; &nbsp; Integrated CONAX decoding system with card reader&nbsp; &nbsp; PVR function - recording to a USB key&nbsp; &nbsp; Timeshift&nbsp; &nbsp; 1 x SCART&nbsp; &nbsp; 1 x USB&nbsp; &nbsp; 1 x HDMI&nbsp; &nbsp; Fast channel switching&nbsp; &nbsp; Channel list editing&nbsp; &nbsp; Favorite channel list editing&nbsp; &nbsp; The electronic program guide (EPG)&nbsp; &nbsp; Parental lock&nbsp; &nbsp; Dolby Digital Specifications:Appendix and frequencies:DVB Type&nbsp; &nbsp;&nbsp; DVB-CFrequencies:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 47 MHz to 862 MHzDemodulation:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 16QAM, 32QAM, 64QAM, 128QAM, 256QAMConnectors:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; IEC 169-2, F-type, femaleThe input signal level:&nbsp; &nbsp; &nbsp; &nbsp; -20dBMV to +20 dBMVMPEG TS A / V Decoding:&nbsp; &nbsp; Data flow:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MPEG-4/H.264 HP@L4.0 1920x1080 @ 50Hz InterfaceProfile has:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MPEG-2 MP @ HL, MP @ L4 MPEG-4/AVCInput Rate:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Hi. 7Mbit / sScreen format :&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 4:3 LB, 4:3 PS, 16:9Video Resolution:&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 720x576 (PAL), 720x480 (NTSC), 1280 * 720 1920 * 1080 (HDTV)Audio Decoding:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Dolby Digital, MPEG-1 Layer 1,2 and 3 (MP3), AC3Sound Mode:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Mono Dual Mono, Stereo, Joint StereoCA system:&nbsp; &nbsp; CommonInterface&nbsp; &nbsp;&nbsp; There is noCard Reader&nbsp; &nbsp;&nbsp; A CONAXCAS&nbsp; &nbsp;&nbsp; ConaxChipset pairing&nbsp; &nbsp;&nbsp; There is noA / V and data outputs:&nbsp; &nbsp; Component&nbsp; &nbsp;&nbsp; A connectorScart&nbsp; &nbsp;&nbsp; A connectorS-Video&nbsp; &nbsp;&nbsp; There is noHDMI&nbsp; &nbsp;&nbsp; A connectorRS 232&nbsp; &nbsp;&nbsp; A connectorS / PDIF&nbsp; &nbsp;&nbsp; A coaxialUSB&nbsp; &nbsp;&nbsp; A connector (Host)Ethernet&nbsp; &nbsp;&nbsp; There is noSystem resources:&nbsp; &nbsp; CPU&nbsp; &nbsp;&nbsp; AliCPU speed&nbsp; &nbsp;&nbsp; 396MhzFlash memory&nbsp; &nbsp;&nbsp; 32 MBSDRAM&nbsp; &nbsp;&nbsp; 1024 MBHDD&nbsp; &nbsp;&nbsp; There is noBoard:&nbsp; &nbsp; Voltage&nbsp; &nbsp;&nbsp; AC 180 to 250V, 50Type&nbsp; &nbsp;&nbsp; SMPSElectricity consumption&nbsp; &nbsp;&nbsp; MAX. 12WProtection&nbsp; &nbsp;&nbsp; Separate Internal FuseStandby mode&nbsp; &nbsp;&nbsp; MAX. 1.25 WPhysique:&nbsp; &nbsp; Dimensions&nbsp; &nbsp;&nbsp; 220 mm x 160 mm x 40 mmEven Weight&nbsp; &nbsp;&nbsp; 1.5kgWorking temperature&nbsp; &nbsp;&nbsp; 5 ° C ~ 45 ° CLaikimo temperature&nbsp; &nbsp;&nbsp; -10 ° C ~ 70 ° C Cthis is all info what i have about them, and i whant to know which will perform better with HD channelsi only know that 1080i &lt; 1080p maybe even 1080i &lt; 720p but i have no idea about Data flow(Transport stream), Profile has(Profile Level) or Input Rate looking forward for comparison helpthanks</blockquote>

[QUOTE="kaukas, post: 814225, member: 116951"] Hello, i know here is a lot of smart ppl who knows about video compressors/decoders and video qualitys I want to compare two DVB-C receivers: lets first one call "reciver Nr.1" Feature: Compliant MPEG-4/H.264 & DVB-C (High Definition) Selectable outputs 576I/720P/1080I display formats YPbPr, HDMI Video and Euro SCART Outputs VFD display for Local Time or Channel Name and Program Name (Option) RS232 16:9, 4:3 EPG Supporting a number of leading middleware and integrated CA combinations CAS: Conax Specification: Tuner and Channel: DVB Type DVB-C Frequency Range: 51 MHz-858 MHz Demodulation: 16QAM, 32QAM, 64QAM, 128QAM, 256QAM Input Connector: IEC 169-2, F-type, Female Input Signal Level: -15dBm ~ +15dBm [B]Mpeg TS A/V decoding: Transport stream: MPEG-2 ISO/IEC 13818 Transport Stream Specification Profile Level: MPEG-2 MP@HL, H.264/AVC Input Rate: Max. 15Mbit/s[/B] Aspect Ratio: 4:3, 16:9 Video Resolution: 1920*1080i, 1280*720p, 720*576i Audio Decoding: AC3, MPEG-1/2 layers 1,2 Audio Mode: Mono / Stereo / Joint Stereo / Dual Channel CA system: CommonInterface No Card Reader 1 Slot card reader with integrated CONAX CAM CAS Conax Chipset pairing No A/V and Data output: Component 2 set (RCA Type; Y, PB, Pr) Scart 2 Connector S-Video No HDMI 1 Connector RS 232 1 (D-Sub) S/PDIF 1 Optical USB No System Resources: CPU N/A CPU Speed N/A Flash Memory N/A EEPROM N/A SDRAM N/A Power Supply: Input Voltage AC 90 to 260V Type SMPS Power Consuption MAX. 27W Protection Separate internal fuse Standby Power N/A Physical Specification Size 360 x 60 x 270(mm) Net Weight 3.4Kg Operation Temperature 0o ~ 45o C Storage Temperature -10o ~ +50o C and the second "reciver Nr. 2" Features: HDTV cable receiver with HD and SD reception (MPEG-2 / MPEG-4) Integrated CONAX decoding system with card reader PVR function - recording to a USB key Timeshift 1 x SCART 1 x USB 1 x HDMI Fast channel switching Channel list editing Favorite channel list editing The electronic program guide (EPG) Parental lock Dolby Digital Specifications: Appendix and frequencies: DVB Type DVB-C Frequencies: 47 MHz to 862 MHz Demodulation: 16QAM, 32QAM, 64QAM, 128QAM, 256QAM Connectors: IEC 169-2, F-type, female The input signal level: -20dBMV to +20 dBMV [B]MPEG TS A / V Decoding: Data flow: MPEG-4/H.264 HP@L4.0 1920x1080 @ 50Hz Interface Profile has: MPEG-2 MP @ HL, MP @ L4 MPEG-4/AVC Input Rate: Hi. 7Mbit / s[/B] Screen format : 4:3 LB, 4:3 PS, 16:9 Video Resolution: 720x576 (PAL), 720x480 (NTSC), 1280 * 720 1920 * 1080 (HDTV) Audio Decoding: Dolby Digital, MPEG-1 Layer 1,2 and 3 (MP3), AC3 Sound Mode: Mono Dual Mono, Stereo, Joint Stereo CA system: CommonInterface There is no Card Reader A CONAX CAS Conax Chipset pairing There is no A / V and data outputs: Component A connector Scart A connector S-Video There is no HDMI A connector RS 232 A connector S / PDIF A coaxial USB A connector (Host) Ethernet There is no System resources: CPU Ali CPU speed 396Mhz Flash memory 32 MB SDRAM 1024 MB HDD There is no Board: Voltage AC 180 to 250V, 50 Type SMPS Electricity consumption MAX. 12W Protection Separate Internal Fuse Standby mode MAX. 1.25 W Physique: Dimensions 220 mm x 160 mm x 40 mm Even Weight 1.5kg Working temperature 5 ° C ~ 45 ° C Laikimo temperature -10 ° C ~ 70 ° C C this is all info what i have about them, and i whant to know which will perform better with HD channels i only know that 1080i < 1080p maybe even 1080i < 720p but i have no idea about Data flow(Transport stream), Profile has(Profile Level) or Input Rate looking forward for comparison help thanks [/QUOTE]

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