Surround

Surround sound control parameters

ParameterDescriptionAllowed ValueDefault Value
lfe_surroundLow-Frequency Effectsyes, nonone
lowpass_filterLowpass filter for the LFE channelyes, nonone
surround_modeDolby Surround modenot_indicated, yes, nonone
surround_mode_exDolby Surround EX modenot_indicated, yes, nonone
surr_shiftSurround 90 degree phase shiftyes, nonone
surr_attenuationSurround -3dB attenuationyes, nonone