USB soundcard that can drive a usb headset?

petasis · 20th November 2009, 07:42 PM

Hi all,

I am searching for a chip that can accept stereo audio and drive a usb soundcard (i.e. usb headset). Is such a chip available?

What I want to do, is the following:

Image the usb port of a pc. In this port, I can connect a stereo headset with a usb connector (which has an embedded soundcard). What I want to build is something that can be put in between the pc and the stereo headset, and allow me to mix a stereo signal with what the pc sends to the headset.
What is the easiest approach to implement something like this?

For example, on the side that connects to the pc I can connect a TI PCM2906B, which will give me two stereo channels (speakers/microphone).

But since I have mixed the sound, what should be placed on the end the usb headset will be plugged in? Something that will be able to pass sound & receive microphone sound to/from the usb headset?

wwenze · 01:51 AM

Won't work.

And the PCM2906 is redundant.

You can only do the mixing in your pc.

I'd just plug something into the line-in. Provided your USB soundcard has a line-in.

bbp · 21st November 2009, 07:29 AM

that means you need audio I/O chips >_<
I remembered that a sound card of MUTU was based on a single 1394/USB audio I/O chip,but I forgot the detail

petasis · 21st November 2009, 10:49 AM

Yes, I know that this will be very easy if I had a pc, but all this will not be plugged into a pc (unfortunately) but on a device that runs a proprietary firmware. Of course I can use a pc in between (that will do easily what I want), but this will be an overkill. This is why I am looking for small in size & power consumption alternatives...

wwenze · 21st November 2009, 11:12 PM

Does the headset work with your computer using generic drivers?

petasis · 23rd November 2009, 08:35 AM

Yes, it does...

20th November 2009, 07:42 PM	#1
petasis diyAudio Member Join Date: Nov 2009	USB soundcard that can drive a usb headset? Hi all, I am searching for a chip that can accept stereo audio and drive a usb soundcard (i.e. usb headset). Is such a chip available? What I want to do, is the following: Image the usb port of a pc. In this port, I can connect a stereo headset with a usb connector (which has an embedded soundcard). What I want to build is something that can be put in between the pc and the stereo headset, and allow me to mix a stereo signal with what the pc sends to the headset. What is the easiest approach to implement something like this? For example, on the side that connects to the pc I can connect a TI PCM2906B, which will give me two stereo channels (speakers/microphone). But since I have mixed the sound, what should be placed on the end the usb headset will be plugged in? Something that will be able to pass sound & receive microphone sound to/from the usb headset?

21st November 2009, 01:48 AM	#2
wwenze diyAudio Member Join Date: Mar 2008	Won't work. And the PCM2906 is redundant. You can only do the mixing in your pc. I'd just plug something into the line-in. Provided your USB soundcard has a line-in. __________________ Newbies exist to help provide quick answers to simple questions while the pros busy themselves with intelligent discussions Last edited by wwenze; 21st November 2009 at 01:51 AM.

21st November 2009, 07:29 AM	#3
bbp USB converter and TDA1541 DAC diyAudio Member Join Date: Sep 2005	that means you need audio I/O chips >_< I remembered that a sound card of MUTU was based on a single 1394/USB audio I/O chip,but I forgot the detail __________________ calm down and enjoy your time in experiment

21st November 2009, 11:12 PM	#5
wwenze diyAudio Member Join Date: Mar 2008	Does the headset work with your computer using generic drivers? __________________ Newbies exist to help provide quick answers to simple questions while the pros busy themselves with intelligent discussions

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21st November 2009, 10:49 AM	#4
petasis diyAudio Member Join Date: Nov 2009	Yes, I know that this will be very easy if I had a pc, but all this will not be plugged into a pc (unfortunately) but on a device that runs a proprietary firmware. Of course I can use a pc in between (that will do easily what I want), but this will be an overkill. This is why I am looking for small in size & power consumption alternatives...

23rd November 2009, 08:35 AM	#6
petasis diyAudio Member Join Date: Nov 2009	Yes, it does...

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