Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

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Digital TV System Video Encoder Mux Audio Encoder Modulator Amplifier Data Signal Source

Transcript of Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

Page 1: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

Digital TV System

Video Encoder

MuxAudio Encoder Modulator Amplifier

Data

Signal Source

Page 2: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

Spectrum Division Multidefinition and Multiprogram

HDTV

HDTV

(H264)

SDTV

LDTV

SDTV

SDTV

LDTV

Page 3: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

Digital Television Standards

Modulação

Transporte

Video

Aúdio

Canal6Mhz 7Mhz 8Mhz

8-VSB COFDM COFDM-BST

MPEG2 – Fluxo de Transporte

MPEG2 MPEG4

280i LD 480iSDTV 720pEDTV 1080iHDTV

MPEG2-BC

MPEG2-AAC

DOLBYAC3

MPEG4-AAC

JAVA HTML

Middleware

DASE ARIB MHPMHEG

6Mhz 7Mhz 8Mhz

8-VSB COFDM COFDM-BST

MPEG2 – Fluxo de Transporte

MPEG2 MPEG4

280i LD 480iSDTV 720pEDTV 1080iHDTV

MPEG2-BC

MPEG2-AAC

DOLBYAC3

MPEG4-AAC

JAVA HTML

DASE ARIB MHPMHEG

6Mhz 7Mhz 8Mhz

8-VSB COFDM COFDM-BST

MPEG2 – Fluxo de Transporte

MPEG2 MPEG4

280i LD 480iSDTV 720pEDTV 1080iHDTV

MPEG2-BC

MPEG2-AAC

DOLBYAC3

MPEG4-AAC

JAVA HTML

DASE ARIB MHPMHEG

6Mhz 7Mhz 8Mhz

8-VSB COFDM COFDM-BST

MPEG2 – Fluxo de Transporte

MPEG2 MPEG4

280i LD 480iSDTV 720pEDTV 1080iHDTV

MPEG2-BC

MPEG2-AAC

DOLBYAC3

MPEG4-AAC

JAVA HTML

DASE ARIB FLEX-TV

Service Model

American

ATSC-TerrestrialAdvanced Television Standard Committee

European

DVB-TerrestrialDigital Vídeo Broadcast

Japanese

ISDB-TIntegrated Services Digital

Boradcast

Brazilian´s propose

SBTVDSistema Brasileiro de TV

Digital

Page 4: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

Service Model

ServiceSouth Korea

USA Japan Finland Italy Nederland Australia

Transmition ATSC/T-DMB ATSC ISDB DVB-T/H DVB-T DVB-T/H DVB-T/H

Monoprogram HD HD and SD HD No No No HDMultiprogram NO SD SD SD SD SD SD

InteractivityLocal /

Return PathLocal

Local / Return Path

Local / Return Path

Local / Return Path

Local Local

Return Path ADSL No ADSL STFC STFC No NoMobility

PortabilityYes No Yes Yes testing Yes testing

Page 5: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

IP over TSData

DataData DSMCCDSMCCIP EncapsulatorIP Encapsulator

DSMCCDSMCCIP EncapsulatorIP Encapsulator

Mux

Mux

EncoderEncoderVideoVideo

EncoderEncoderAudioAudio

DataData

Modulation and Modulation and TransmissionTransmission

Modulation and Modulation and TransmissionTransmission

Mux

Mux

Page 6: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

IP over TS AV Program

EncoderEncoderVídeo Vídeo

EncoderEncoderAudioAudio

DataData

IPIPEncapsulatorEncapsulator

IPIPEncapsulatorEncapsulator

Mux

Mux

CodificadorCodificadorVídeo Vídeo

CodificadorCodificadorAudioAudio

Modulation and Modulation and TransmissionTransmission

Modulation and Modulation and TransmissionTransmission

Mux

Mux

EncoderEncoderVídeo Vídeo

EncoderEncoderAudioAudio

DataData

IPIPEncapsulatorEncapsulator

IPIPEncapsulatorEncapsulator

Mux

Mux

CodificadorCodificadorVídeo Vídeo

CodificadorCodificadorAudioAudio

Modulation and Modulation and TransmissionTransmission

Modulation and Modulation and TransmissionTransmission

Mux

Mux

EncoderEncoderVídeoVídeo

EncoderEncoderAudioAudio

DataData

IPIPEncapsulatorEncapsulator

IPIPEncapsulatorEncapsulator

Mux

Mux

CodificadorCodificadorVídeoVídeo

CodificadorCodificadorAudioAudio

DataData

Modulation and Modulation and TransmissionTransmission

Modulation and Modulation and TransmissionTransmission

Mux

Mux

Mux

Mux

Page 7: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

IP over TS – AV ProgramDVB-H Example

MPEG-2 MPEG-2 TV TV

ServiceServiceMPEG-2 MPEG-2

TV TV ServiceService

Mux

Mux

DVB-HDVB-HIP EncapsulatorIP Encapsulator

DVB-HDVB-HIP EncapsulatorIP Encapsulator

MPEMPE MPE MPE FECFECMPE MPE FECFEC

Time Time SlicingSlicingTime Time

SlicingSlicing

Áudio e Vídeo Áudio e Vídeo

DVB-T ModulatorDVB-T ModulatorDVB-T ModulatorDVB-T Modulator

8K8K 4K4K4K4K 2K2K DVB-H TPSDVB-H TPSDVB-H TPSDVB-H TPS

AntennaAntennaMPEG-4 MPEG-4

AVC AVC MPEG-4 MPEG-4 AVC AVC

Page 8: Digital TV System Video Encoder Mux Audio Encoder ModulatorAmplifier Data Signal Source.

IPTV

• SBTVD is focused on free to air TV

Mux

Mux

EncoderEncoderVideoVideo

EncoderEncoderAudioAudio

DataData

IP EncapsulatorIP EncapsulatorIP EncapsulatorIP Encapsulator Internet