NameOTV-IS24 Multi-Channel H.265 HEVC HDMI TO ISDB-Tb RF Modulator
Brand Name:Dibview
Model Number:OTV-IS24
Product name:OTV-IS24 Multi-Channel HEVC HDMI TO ISDB-Tb Modulator
Input:8/12/16/20/24 HDMI inputs
Output 1:16 groups multiplexing/ISDB-T modulating channels
Output 2:1 ASI out as mirror of one of RF output carriers—Optional
Output 3:16 MPTS IP output over UDP, RTP/RTSP
B frame GOP:Support
Video Compression:HEVC/H.265, MPEG4 AVC/H.264
Application:Digital TV Broadcasting System

Product Description


OTV-IS24 Multi-Channel HDMI TO ISDB-Tb RF Modulator is a professional high integration device which includes encoding, multiplexing, and modulation in one body. It supports up to 24 HDMI input, one DVB-C/T/ISDB-T (ATSC optional) tuner input and up to 512 IP input for re-mux. After multiplexing, it output 16 non-adjacent ISDB-T carries.


OTV-IS24 Multi-Channel HDMI TO ISDB-Tb RF Modulator also supports 16 MPTS as mirror of 16 carriers through Data2 (GE) port. This full functionality makes it ideal for small CATV head end system, and it's a smart choice for hotel TV system, entertainment system in sports bar, hospital, apartment…

Key Features:

  • 8/12/16/20/24×HDMI input with HEVC/H.265, MPEG4 AVC/H.264 video encoding format

  • Support B frame GOP, high video compression ratio and stable bitrate

  • MPEG-1 Layer 2, LC-AAC, HE-AAC, HE-AAC V2 audio encoding, AC3 Pass-through

  • Support 16 groups multiplexing/ISDB-T modulating channels out

  • Support 1 ASI out as mirror of one of RF output carriers—Optional

  • Support 16 MPTS IP output over UDP, RTP/RTSP

  • Support LOGO, Caption and QR code insertion (Language Supported: Chinese, English, العربية, ไทย, हिन्दी, руская, اردو, for more languages please consult us…)

  • Support PID remapping/ accurate PCR adjusting/PSI/SI editing and inserting

  • Control via web management, and easy updates via web Easy-to-use System Management via Web

Technical Specifications:



Encoding HDMI Inputs

8/12/16/20/24 HDMI inputs

1 DVB-C/T/ISDB-T (ATSC optional) Tuner for re-mux, F type interface

512 IP input over UDP and RTP, DATA1, RJ45

Video Processing

Input Resolution:

1920×1080_60P, 1920×1080_50P, 1920×1080_59.94P, 1920×1080_60i, 1920×1080_50i,   

1920×1080_59.94i, 1280×720_60P, 1280×720_59.94P, 1280×720_50P

Output Resolution:

1920x1080_60P, 1920x1080_50P, 1920x1080_30P, 1920x1080_25P, 1280x720_60P,1280x720_50P

Encoding: MPEG-4 AVC/H.264, HEVC/H.265

Bit-rate: 1~15Mbps for each channel

Rate Control: CBR/VBR

GOP Structure: IP, IBBP, IBBBP

Audio Processing

Encoding: MPEG-1 Layer 2, LC-AAC, HE-AAC, HE-AAC V2;   AC3 Pass-through

Audio Delay: -400~-1000ms

Sample rate: 48KHZ

Bit-rate: 48Kbps~384Kbps (MPEG-1 Layer 2 & LC-AAC)

24 Kbps~128 Kbps (HE-AAC)

18 Kbps~56 Kbps (HE-AAC V2)


Maximum PID Remapping: 180 input per channel


PID remapping (automatically or manually)

Accurate PCR adjusting

Generate PSI/SI table automatically

ISDB-Tb RF Modulation

Standard: ARIB STD-B31

Bandwidth: 6M

Constellation: QPSK, 16QAM, 64QAM

Guard Interval: 1/32, 1/16, 1/8, 1/4

Transmission Mode: 2K, 4K, 8K

Code rate: 1/2, 2/3, 3/4, 5/6, 7/8


RF frequency: 50~960MHz

RF out: 16 non-adjacent carriers output (maximum bandwidth 192MHz)

RF output level: -20dBm~+10dBm, 0.1dB stepping

Stream Output

1 ASI output as mirror of one of RF output carriers-Optional

16 MPTS output (DATA2 port only) over UDP and RTP/RTSP as mirror of 16 ISDB-T carriers, 1*1000M Base-T Ethernet interface


Network management (WEB)

Chinese and English language

Ethernet software upgrade

The Working Environment

Voltage: 100 to 120/200 to 240V AC ±10%; 50/60Hz
Consumption: 60W
Operating temperature: 0 ~ 45℃
Storage temperature: -20 ~ 80℃
Relative humidity: 10%~90%(non-condensing)
Dimensions: 482mm(W)×440(D)mm×45mm(H)(19inch,1RU)
Weight: 6.8 KGS


Digital TV Broadcasting System

DVB Head-end System

Digital TV Programs Transmission

Community TV System

Hotel TV System

IPTV System



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