|
DMB S/W Encoder
|
OTB-RES™
(OnTimetek Broadcasting-Real time Encoding Server)
is the S/W-based real time mobile multimedia service
system fully compatible with 'Digital Radio Broadcasting
Video Transmission/Reception Conformance Standard'
|
| |
|
 |
[S/W
Structure of OTB-RES™ ] |
OTB-RES™ system is comprised of Video/Audio
capture module, encoding
/transmitting state monitoring module, video real
time encoding module, audio real time encoding module,
video/audio mux module, system information/clock
information control module and stream transmission
module.
|
|
 |
| |
|
 |
DMB
Service |
| |
Terrestrial DMB (Digital Multimedia Broadcasting)
service is the mobile multimedia
broadcasting providing high-quality audio&video
service anywhere and anytime with mobility.
It shifts the paradigm of radio broadcasting from
"listening" to "watching while listening"
and supplies a large number of contents (music, text,
video etc) on handheld devices
such as mobile TV terminal, PDA etc.
|
|
|
| |
|
Specification |
| |
Video |
|
Basic Specification : ITU-T Rec. H.264
| ISO/IEC 14496-10 AVC
Video Bit layer : Baseline, Profile, Level 1.3
Resolution : CIF (Common Interchange Format), QCIF (Quarter
CIF),
QVGA (Quarter Video Graphic Array), WDF (Wide DMB Format)
Maximum Frame Rate : 30 fps
|
|
Audio |
|
Basic Specification : ISO/IEC 14496-3
BSAC, ER BSAC Audio Object Type
Sampling Frequency : 24KHz, 44.1KHz, 48KHz
Maximum Bit Rate : 128Kbps in stereo
Maximum IMDCT (Inverse Modified Discrete Cosine Transform)
Frame Length : 1024 sample
|
|
Protocol |
|
Basic Specification: ISO/IEC 13818-1,
ISO/IEC 14496-1
System Sync : ISO/IEC 13818-1 PCR (Program Clock Reference)
ISO/IEC 14496-1 OCR (Object Clock Reference)
CTS (Composition Time Stamp)
DTS (Decoding Time Stamp)
PAT, PMT,BIFS and OD Transmission Interval : Maximum
500ms
OCR& CTS Transmission Interval : under 700ms
PCR Transmission Interval: under 100ms
Time Information restoration : ISO/IEC 13818-1:2000(E)
Packetizing: MPEG-4 SL, MPEG-2 TS
Transmission Specification : UDP or HTTP |
|
OTB-RES™
Setting Window Standard Value |
| |
Video Setting |
|
Video Size
- DMB Specification
fully support : QCIF (176 * 144), QVGA (320*240), CIF
(352* 288),
WDF
(384*224)
- Custom size input :
upto VGA (640*480)
IDR Interval : 0 ms and over
Frame Rate : 1 ~ 30 Hz
Bitrate : 5kbps ~ 768kbps
Multi Ref. : 1 ~ 8 |
|
Audio Setting |
|
Sampling : 16kHz ~ 44.1kHz
Channel : MONO, STEREO
bitrate : 12kbps ~ 192kbps
|
|
System Setting |
|
TS Rate : 0kbps ~ 4Mbps
Initial Buffer Time, PCR/OCR/BIFS/OD/PAT/PMT Interval
: unlimited |
|
OTB-RES™
Installation Server Specification |
| |
CPU : Xeon2.4GHz Dual CPU
Memory : 1GB
OS : MS Windows 2000 Server
HDD : 72GB
Video : 32MB and over
NIC : Ethernet 10/100Mbps
Capture Card : Composite, SDI video / Analog stereo,
AES/EBU audio input |
 |
| |
|
| |
 |
