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Difference between Baud Rate and Bitrate

Difference between Baud Rate and Bitrate

In order to understand the difference between baud rate and bit rate, it is important to first understand the basics of how digital communication works. In digital communication, each character is represented by a series of bits. The number of bits in a character determines the bit rate. The baud rate is simply the number of times per second that the signal changes state, which is determined by the bit rate and the symbol duration. So, in essence, the baud rate and bit rate are two different ways of measuring the same thing.

What is Baud Rate?

Baud rate is the measure of how fast information is transmitted over a communication link. Baud rate is measured in bits per second (bps). The higher the baud rate, the faster the data can be sent. The term “baud” comes from the French engineer Emile Baudot, who invented a type of signal transmitter that was used in early telegraphy systems. Baudot’s system transmitted data at a rate of 5 bits per second.

Today, baud rates can be much higher, with some systems transmitting data at rates of millions of bits per second. When choosing a baud rate for a particular application, it is important to consider the type of data being transmitted and the number of errors that can be tolerated. For example, error-sensitive data such as video or audio may require a lower baud rate to minimize errors, while less sensitive data can be transmitted at a higher rate.

What is Bitrate Rate?

Bitrate is the amount of data that is processed over a period of time. For digital audio, this is typically measured in bits per second (bps). Bitrate can be thought of as a measure of quality, with higher bitrates resulting in higher quality audio. However, it is important to note that bitrate is not the only factor that determines audio quality. Other factors, such as file format and compression, can also have a significant impact on sound quality.

That being said, bitrate is still an important consideration when choosing an audio file format or codec. High-bitrate files are typically larger in size and require more processing power to decode, but they can offer better sound quality. Conversely, low-bitrate files are smaller and easier to work with, but they may not offer the same level of sound quality as high-bitrate files.

Difference between Baud Rate and Bitrate

  • Baud Rate is the number of signal units per second. Bitrate is the number of bits per second. Baud Rate tells how fast the data is sent, while Bitrate tells how much data is sent. Baud Rate is affected by the length of the signal unit, while Bitrate is not. Baud Rate can be increased by using a more efficient modulation scheme, while Bitrate can be increased by using a more efficient coding scheme.
  • Baud Rate is limited by the bandwidth of the channel, while Bitrate is limited by the capacity of the channel. Baud Rate is measured in bps (bits per second), while Bitrate is measured in Bps (bytes per second). Baud Rates are typically used for analog signals, while Bitrates are used for digital signals.
  • Bps are usually expressed as kilobits per second (kbps) or megabits per second (Mbps). Mbps should not be confused with MBps which stands for Megabytes per second.


In order to choose the right baud rate for your needs, it’s important to understand the difference between bitrate and baud rate. Bitrate is how many bits are transferred per second, while baud rate is the number of times a signal changes per second. When you want to send or receive large files, you need to use a higher bitrate so that all of the information can be transmitted accurately. A higher bitrate will also create a better quality image or sound.

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