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Rockbox mail archiveSubject: [PATCH] Auto Volume Correction[PATCH] Auto Volume Correction
From: Heikki Hannikainen <hessu_at_hes.iki.fi>
Date: Tue, 23 Jul 2002 13:28:33 +0300 (EEST) Hi, This patch against the current CVS code enables AVC, the Auto Volume Correction on the Recorder's codec. It allows selection of 2s, 4s or 8s decay time (the chip also has a 20ms decay time but it's only of use after the track changed). Nice pumping effect for those who like it. TODO item: if the code could figure out exactly when a new track is starting to play, it could call mpeg_sound_set(SOUND_AVC, -1) to reset the AVC internal variables and get a quick decay to the new volume level. There is one known downside, the setting is applied only after the setting has been changed and going back to the sound settings menu, not when the setting is changed, unlike the other sound settings which apply immediately. This is because I used set_option to get the decay time selection, and set_option does not call mpeg_sound_set like set_sound does. - Hessu
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