Fading feature in case of ducking/unducking can be applied as per module arguments. It also can be set by groups according to the configuration. We expect it can bring a better audio experience to user. Sangchul Lee (3): stream-interaction: Modify codes to use idxset and macro stream-interaction: Add support for fading in case of ducking/unducking role-ducking: Add support for fading feature src/modules/module-role-ducking.c | 4 + src/modules/stream-interaction.c | 298 +++++++++++++++++++++++++++++++------- 2 files changed, 251 insertions(+), 51 deletions(-) -- These patches are based on the previous patches for volume ramping. It could be revised as a change of the previous patches that are not merged yet. 2.7.4