12/17/2022 0 Comments Word clock synchronization![]() ![]()
In practice, a dedicated word clock signal generator or digital audio mixer, digital audio workstation is usually selected as the synchronization host (MaSTer) in the system. The word clock signal generated in the sync master is referred to as the master clock of this audio system. Therefore, when using a digital audio system, the first step should be to select one of the devices and set it as the source of the word clock signal in this system, that is, the synchronization host. If different word clock signals appear in one system, it means that the sampling frequency in this system is not uniform, and it will not reach the synchronous working state, which will cause noise and other problems. The signal determines the sampling frequency in this device. This is because the word clock in each device. In fact, digital audio devices such as digital mixers and digital audio workstations can generate word clock signals internally, but only one word clock signal generation source can be set in each digital audio system. To implement the word clock synchronization status of a digital audio system, one (and only one) word clock signal generation source must be set in the system. #Word clock synchronization codeThis is because the effect of this synchronization method in actual operation is not as intuitive as the time code synchronization method.ฤก.2 Setting the system's word clock synchronization status ![]() However, when there is a problem with the system's word clock synchronization state, which leads to severe degradation of signal quality (such as the transmission of a word clock signal, which causes sudden noise in the system), it is sometimes overlooked from the direction of the word clock. The word clock synchronization mode plays an important role in stabilizing the transmission quality of digital signals in the system. Under the action of the word clock signal, each device in the system achieves frequency synchronization and phase synchronization, and can continue to work normally under stable conditions. The word clock signal has an accurate and stable sampling frequency, which ensures that in all aspects of the digital audio system, the transmitting and receiving ends of the signal operate at the same sampling frequency, and the bits in the transmitted and received signals start simultaneously. The Word Clock is seen as a pulse signal that is used to coordinate digital audio signals of different sampling frequencies and communicate in the same system. The word clock synchronization method can only be used in digital audio systems. This type of synchronization has also been used in digital audio systems to this day. ![]() The timecode scale displayed on all devices is identical throughout the process. The most common synchronization method from the analog era is the Time Code (TC code) synchronization method, that is, in a audio system, a unified time code is determined, and all devices are based on this time code, from the same The time point starts to play back or record. Therefore, it is necessary to clarify some basic theories about the way the word clock is synchronized. #Word clock synchronization tvThis article refers to the address: In order to cope with the challenges brought by the high-definition era and meet the production conditions of surround sound, all major domestic TV stations have adopted a fully digital audio system in HDTV studios and OB vans that have been put into use. The basic theory of 1 word clock synchronization ![]()
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