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Audio Controller


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23 replies to this topic

#21 kirchi

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Posted 10 March 2013 - 04:39 PM

wow great post and great idea

I cultivate this idea about a month already :)

 

I have macbook, PC, and airport express as music sources

and I have speakers and wireless headphones (actually 3 pairs but I want to have ability to switch to one at least)

 

so at minimum I want to setup configuration of 3 inputs X 2 outputs

I think with the IC in the post I can achieve this.

 

I have only 2 question which can help me a lot in choosing components to buy

 

1) I have quite hifi outputs - in PC it is Xonar essense XT and airport express has it's own DAC and macbook is not too bad as well. Does this IC correspond to this quality barrier so I dont distort the signal to much?

 

2) I dont need any mods to the signal - as bass or volume, is there a way to switch these off so the sygnal is not modified in any way using this IC (I mean I need to setup just a matrix of relays - no modification is needed to the sound - and I actually prefer zero modifications)

 

 



#22 hanzibal

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Posted 11 March 2013 - 09:25 PM

Hi! If you're not planning on using the balance, fader and tone features, you should probably go for something else. If your sources all have digital ouput you could use a 3 input, 2 output digital matrix switch. Just a thought.

#23 kirchi

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Posted 12 March 2013 - 12:57 PM

Hi! If you're not planning on using the balance, fader and tone features, you should probably go for something else. If your sources all have digital ouput you could use a 3 input, 2 output digital matrix switch. Just a thought.

Hi hanzibal,

 

thanks for response

 

I think you are right.

I will search some other IC for switching AUDIO signal.

The sources have digital outputs but the targets does not have DACs so I will try to find some IC for analog switching.



#24 hanzibal

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Posted 12 March 2013 - 02:28 PM

You could use four 4 to 1 analogue multiplexers (one dual for each output) and control these with your Netduino. This way, you'd also get an extra auxillary input.

http://lmgtfy.com/?q... 1 multiplexer#




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