What Is The Difference Between Analog And Digital Mixer?

- Sep 14, 2018-

The mixer is a frequent device in sound reinforcement systems and video recording, which amplifies, mixes, distributes, modifies, and processes multiple input signals. It is the core equipment for broadcasting and recording programs in modern radio broadcasting, stage broadcasting, and audio program production systems. The mixer can be divided into analog mixers and digital mixers according to the signal output method.

Digital mixer scene memory refers to various tuning settings at a certain moment, such as the size of the input gain, the distribution of the output bus, the adjustment of the multi-level full-bright EQ, and the dynamic processor (compressor/expander/ gauge/noise gate) and internal effector adjustment, auxiliary feed and return amount control, grouping, channel mute and pan position selection, push-pull attenuator position, etc., as a "scene", can be remembered Reproduce. When the recording object is frequently changed and the pre-recording and the post-mixing are alternately performed, the tuning settings of each scene are timely stored and timely called, which can save a lot of recording time and improve the production efficiency. Sometimes it is necessary to replace several scene memories in one program, which may cause sudden changes in the volume level. At this point, the change time of each channel attenuation must be set so that the attenuator gradually transitions from the previous level to the new level of the next scene memory to eliminate the impact on the system.

The automation of the digital mixer refers to the digital mixer's time-code based on the multi-track recorder or digital audio workstation, the best downmixing scheme (auto-downmixing program) that will be written into its memory, on the digital mixer. It is the process of re-reading. The most tedious task in recording is to repeatedly tune the previously recorded multitrack raw material and then downmix it to the stereo recorder. In this process, it is necessary to adjust the position of the attenuator on dozens of channels, the on and off state of the channel, the position of the equalizer and the sound image, the parameters of the internal effector and the dynamic processor, and the level value of the auxiliary transmission. . In general, downmixing a program requires at least tens of adjustments to the above items. Therefore, the downmixing process must be automated.

In short, each has its own advantages. The digital mixer is a trend in the future. Some people say that the digital mixer will replace the analog mixer sooner or later. This view has some truth. The biggest advantage of the digital mixer is that it is convenient and accurate, but it also has its shortcomings. The most deadly thing is the situation of crashes and card machines. With the continuous development of electronic technology, the development space of the digital mixer is still very large, and it is only a matter of time to completely surpass the analog mixer. As for how to choose, it still has to be analyzed according to the actual situation.

 

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