What is MPTS and how it works?
MPTS stands for “Multiple Program Transport Stream.” It is a type of digital television (DTV) signal that can carry multiple programs or streams of video, audio, and other data within a single transmission.
The MPTS is created by combining multiple program streams, such as TV channels, into a single stream that can be transmitted over a network or broadcasted over the air. Each program stream within the MPTS is assigned a unique program number, which allows a receiver to identify and select the desired program.
To transmit an MPTS, the program streams are first multiplexed, or combined, into a single stream using a multiplexer. This stream is then encoded and modulated using a digital transmission method, such as QAM or OFDM, and transmitted over a network or broadcasted over the air.
On the receiving end, the MPTS is demodulated and decoded by a receiver, such as a cable or satellite TV set-top box, and the individual program streams are extracted and displayed on the TV. The receiver uses the program numbers to identify and select the desired program stream.
MPTS is commonly used in cable and satellite TV systems to transmit multiple programs over a single channel, as well as in digital terrestrial television systems to transmit multiple programs over a single frequency band. It is also used in other applications, such as streaming video over the internet, where it is often referred to as an “MPEG transport stream.”