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Anonymous users2024-02-15The bitstream is the number of binary codes generated per second, which is generally represented by bits. The unit is MB or KB, and the adaptive is able to automatically adjust it according to the changes in the environment, which directly affects the size and quality of the data generated per second.
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Anonymous users2024-02-14The PBI DCH-3000MX standard engineering special MPEG-2 digital channel multiplexer can digitally multiplex the input multi-channel digital stream signal and output it as a digital stream signal to the digital modulator; Up to 8 MPEG-2 transport streams can be reused on a single channel, supporting conditional access systems, including service information generators and remote SNMP system monitoring; 19"Standard cabinet mounting.
Features · Fully compliant with the ETSI 300421 standard of the international DVB organization, it can support up to 8 channels of ASI input, multiplexed input TS stream packet length (188 204) self-adaptation for single program or multi-program transport streams; The length of the output TS stream packet (188 204) can be set by the user.
Statistical multiplexing, psi si-generated.
PID remapping, EPG insertion.
8 ASI inputs, 1 ASI output, 1 backup output, 2 x 2 backup (optional) are also provided
1U chassis design, LCD screen display and friendly operation interface.
It has the function of power-off memory, and can carry out network remote monitoring and software upgrade technical parameter input and output.
ASI input interface: 8 channels, BNC interface, 75 ohm ASI input bitrate up to 200Mbps
SPI input (optional).
ASI output interface 1 x 1 backup, 2 x 2 backup (optional) BNC interface, 75 ohms.
The output bitrate ranges from 10k to 200Mbps
PID package exchange.
Enter the PID range 0000 1FFF
The total number of input PIDs is 8192 input channels.
The output PID range is 0000 1FFF
The total number of output PIDs is 65536
Mapping Method: Any input to any output.
Control NMS RS-232
Ethernet Native Native Button LCD
General physical parameters.
Operating temperature -5 45
Storage temperature -20 70
Humidity 10 80
Power supply: AC 90, 240V, 50Hz, 2Hz, 40W, Volume 483mm, 440mm, 44mm
Weight 4kg
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Anonymous users2024-02-13Stream adaptation is based on the limited and time-varying bandwidth of an IP network"Do your best"In order to ensure the quality of service (QoS) of transmission, a new Gaimd Buffer adaptive transmission scheme is proposed.
Based on the GAIMD algorithm, the stream buffer control strategy of the server and the client is added. When the network is in a stable or congested state, if the estimated value of the buffer at the next RTT time is within the set threshold, the sending rate is adjusted according to the GAIMD algorithm, otherwise the coding bit rate of ** is adjusted to ensure that the buffer does not overflow or underflow. Experiments show that the proposed scheme can more effectively smooth the rate jitter, reduce data loss, reduce latency, and further improve the quality in embedded systems.
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