The low frequency management specifically refers to extracting all the 80Hz (according to Dolby standard) low frequency signals and LFE (low frequency sound output) signals in the main channel of the surround sound or stereo mix, and then mixing them into the subwoofer. In general terms, low frequency management is an audio processing technique that uses an electronic crossover to change the transmission path of low frequency content in all channels. Usually, this "low frequency management + subwoofer" is more suitable for stereo or surround sound studios, especially for studios that prefer to place small near-field monitors on the console, because it allows audio Engineers heard low frequency anomalies caused by indoor noise, breathing sounds, etc. In addition, even the relatively low price, many ordinary households can have Dolby Digital decoder, there are built-in low-frequency management section, you can directly direct all the low-frequency content of all channels into the subwoofer. This means that the control room with low-frequency management technology ensures that their mix is delivered to the user's system.
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