TEAC IF-SM/DM IF-SM:DM Owner's Manual - Page 13
Using the card : BASS MANAGEMENT option
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2 - Using the card : BASS MANAGEMENT option BASS MANAGEMENT option The BASS MANAGEMENT screen allows the selection of one of two bass management techniques, Type 1 and Type 2. These are illustrated graphically below as they are implemented in 5.1 surround mode. Figure 2.19: BASS MANAGMENT option screen Figure 2.20: Type 1 and Type 2 bass management for 5.1 and 6.1 settings Type 1 bass management There are three parameters: 1 The amount of attenuation supplied to the LFE channel before bass management occurs, either -5dB (default) or 10dB. 2 The amount of attenuation applied to the surround-LFE feed, either -15dB (default) or 0 dB. 3 The crossover frequency of the high-pass filters applied to all channels except the LFE, and the low-pass filter applied to the LFE. From 40Hz (default) to 130Hz in 10Hz steps. Type 2 bass management There are two parameters: 1 The crossover frequency of the high-pass filters and the low-pass filter in the system. From 40Hz (default) to 130Hz in 10Hz steps. 2 Turns the LFE ON or OFF (default). TASCAM IF-SM/DM Owner's Manual 13