video bit rate

What is video bit rate?

Video bit rate is a measure of the rate of information content in a video stream. It is quantified using the bit per second (bit/s or bps) unit or Megabits per second (Mbit/s). A higher bit rate allows better video quality. For example VideoCD, with a bit rate of about 1 Mbit/s, has lower quality than DVD, with a bit rate of about 5 Mbit/s. HDTV has a still higher quality, with a bit rate of about 20 Mbit/s.

Choose best bit rate

To determine the output bit rate setting, you need to consider the bit rate of the source for the best quality of the output file is the same as the input file. You can't get a higher quality than the input file by using a high bit rate. If you want to keep the best quality of the input file, you can choose the Same Quality As Source in bit rate option.

Original and Same Quality As Source

The options of original and same quality as source for video bit rate is different. Original means keeping the same video bit rate as the input file. In this case, the bit rate never changes while the video quality for output file possible changes. To choose same quality as source is to keep the same video quality for the output file while the video bit rate possible changes according to video compression codec,video file size,frame size etc..

More about video bit rate

In digital multimedia, bit rate often refers to the number of bits used per unit of playback time to represent a continuous medium such as audio or video after source coding (data compression). The size of a multimedia file in bytes is the product of the bit rate (in bit/s) and the length of the recording (in seconds), divided by eight.

See more Edit Profile parameters
Frame Size
Display Aspect
Resize Method
Video Compression
Frame Rate
Audio Format
Audio Bit Rate
Use Sync Mode/Set FPS/Convert FPS
Save Restore profile
view input and output file information
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Step-by-step conversion guide

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