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Virtual Audio Device Driver - Windows  

Virtual Audio Device Driver - Windows is project number 523160
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Status:

Selected Providers: rajivpce

Budget: $250-750

Created: 10/07/2009 at 9:01 EDT

Bid Count: 7

Average Bid:
$ 736

10/29/2009 at 9:01 EDT

Project Creator: noknok
Employer Rating: (No Feedback Yet)

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Description

Windows XP 32/64, Vista 32/64, Windows 7 32/64
Virtual Audio Device/Loopback


Virtual Audio Device driver which provides for Audio Out Device
and Matching Line In device. Basically its a Loopback where we can
play out audio to VIRTAUDIO and read same data back in thru Virtual
LINEIN Device.

Requirements:

Install as System Driver
We will handle code signing to support 64 bit mode
Supported formats:
8000/16/2, 8000/16/1
22050/16/2, 22050/16/1
44100/16/2, 44100/16/1
48000/16/2, 48000/16/1
Volume Control
Multiple Instllations (supporting say 5 virtual LINE IN/LINE OUT)
Must be near realtime (no delay)

This will be a 1-1 mapping, no need to support for multiple connections
mixing.

Must appear in Windows Sound Control Panel.

Must appear in say GraphEdit, each line in as seperate INPUT.

Source Code should be properly documented.

Sufficient buffering so as to support polling of LINEOUT every 500ms to grab
data. We dont want overrun/underrun on buffers.


Additional information submitted:

10/07/2009 at 12:01 EDT:
*** PLEASE NOTE ***

We do NOT WANT a directshow filter. If that is what we wanted, we would have posted for such. We know what we need, and why we need it. Directshow filters can not be directly assigned by applications (not ours) to direct output.


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bgdnnet

 

250

3 days

10-22-2009 19:14 EDT

9.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/109.8667/10
(15 reviews)

Initial bid for PMB

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dominolog

 

750

25 days

10-07-2009 10:22 EDT

10/1010/1010/1010/1010/1010/1010/1010/1010/1010/10
(3 reviews)

Hello I recommend developing this project as DirectShow source(capture) audio filter. There is no need to go below user level to WDM. I'm a DirectShow expert in areas like capture and transform filters (C++ and Win32 API). I've done very similar project in the past so I can provide samples for review. Please see my website and portfolio page. Also, I have my project history and reviews on GAF and RAC. Regards

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firewind

 

1499

30 days

10-07-2009 12:30 EDT

10/1010/1010/1010/1010/1010/1010/1010/1010/1010/10
(1 reviews)

Hi, I can do this for you. You may take a look at my portfolio at http://pedjaman.elan*ce.*com (please remove *'s from URL). Best regards

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stargazer3p14

 

1000

21 days

10-23-2009 07:25 EDT

10/1010/1010/1010/1010/1010/1010/1010/1010/1010/10
(1 reviews)

Hi, please see PMB

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nroxi

 

700

25 days

10-07-2009 15:05 EDT

(No Feedback Yet)

Hi ! I played a lot with such drivers, I needed to handle some audio streams - in out to/from the PC. I can do it, I already did a more complex application with such a virtual driver which is carrying audio and passing to different codecs (GSM, MELP, CELP, SPEEX ... etc). Best regards, Horia Pop, Romania

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rajivpce

 

450

15 days

10-13-2009 05:12 EDT

(No Feedback Yet)

We have more than 5 years of experience in writing virtual audio device driver. We have understood your requirementa and ready to start the work. we are awaiting for your reply asap. Thanks & regards Rajiv

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AhsonTorabi

 

500

7 days

10-24-2009 06:57 EDT

(No Feedback Yet)

Already done something similar with winmm32 pinvoked into c#

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