pls help to compare compressors/decoders and video qualitys fot DVB-C receivers (1 Viewer)

kaukas

New Member
November 24, 2011
1
0
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

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

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

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

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
 

Users who are viewing this thread

Top Bottom