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GNU/Linux Basic Guide
This 255-page guide will provide you with the keys to understand the philosophy of free software, teach you how to use and handle it, and give you the tools required to move easily in the world of GNU/Linux. Many users and administrators will be taking their first steps with this GNU/Linux Basic guide and it will show you how to approach and solve the problems you encounter.
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Reviews
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Views
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Date product posted
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0
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3801
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11-16-2006
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Recommended By
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Average Price
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Average Rating
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No recommendations
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None indicated
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None indicated
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Description:
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USB subwoofer designed for the original slot-loading imacs. Works alone out of the box, or with an existing sound card (for treble output) when used with an .asoundrc file such as:
Code:
pcm.multi {
type multi;
slaves.b.pcm "hw:0,0";
slaves.b.channels 2;
slaves.c.pcm "hw:1,0";
slaves.c.channels 2;
bindings.0.slave b;
bindings.0.channel 0;
bindings.1.slave b;
bindings.1.channel 1;
bindings.2.slave c;
bindings.2.channel 0;
bindings.3.slave c;
bindings.3.channel 1;
}
pcm.!dmix {
type plug
slave {
pcm multi
channels 4
}
}
pcm.!default {
type plug
slave.pcm "dmix"
slave.channels 4
route_policy duplicate
}
Note that this config has no provisions for crossovers or syncing (noticable after 20 minutes of constant play with my IBM TP600e). This also assumes that your main card and isub are identified as hw0,0 and hw1,0 by alsa. Original taken from http://gentoo-wiki.com/HOWTO_Surround_Sound
Modified for two cards instead of three. If you have any suggestions for config improvements please message me.
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Keywords:
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subwoofer usb apple h/k
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/sbin/lspci output:
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(lsusb) Bus 001 Device 005: ID 05fc:0401 Harman Multimedia
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Chipset:
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Generic USB Audio
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Connection Type:
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USB 1.1
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