US8934646B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8934646-B2 |
| Application number | US-201213454563-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 24, 2012 |
| Priority date | Mar 26, 2009 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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Six input channels, to which are allocated 5.1-channel surround signals from a plurality of input sources, are grouped into a surround channel group, and these six input channels are connected to corresponding ones of six surround buses in a one-to-one relationship. Thus, merely grouping the input channels into a surround channel group allows the signals of the individual input channels (5.1-channel surround signals) to be taken out via a plurality of output destinations (5.1-channel speakers) corresponding to the surround buses. Once an instruction is given for changing a value of a parameter, the parameter is controlled in a ganged fashion in all of the input channels of the surround channel group except for an LFE input channel of the surround channel group.
Opening claim text (preview).
What is claimed is: 1. An audio mixer comprising: a plurality of input channels to which one or more audio signals supplied from input sources are inputted, each of said input channels inputting thereto any one of the audio signals; a surround bus group constituted by a given number of buses corresponding to a necessary number of channels for achieving a predetermined surround effect; a channel grouping section which, in response to a user's operation, groups, as a surround ch…
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