Method and apparatus for controlling volume

Details Method and apparatus for controlling volume Method and apparatus for controlling volume

2008-01-15

2008-01-15

Chin, Vivian (Department: 2615)

Electrical audio signal processing systems and devices

Including amplitude or volume control

C381S102000, C381S107000, C345S440000, C345S440100, C704S278000, C084S47700R, C084S625000

Reexamination Certificate

active

07319764

ABSTRACT:
Some embodiments of the invention provide a method for controlling the volume of an audio track. This method represents the volume of an audio track with a graph. This graph is defined along two axes, with one axis representing time and the other representing the volume level. A user can adjust the graph at different instances in time in order to change the volume level in the audio track at these instances. Different embodiments use different types of graphs to represent volume. For instance, some embodiments use a deformable line bar.

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patent: 6392135 (2002-05-01), Kitayama
patent: 2002/0044148 (2002-04-01), Ludi

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