Groups > comp.lang.java.programmer > #26436

Re: Reading sound output in Java

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From	Jeff Higgins <jeff@invalid.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: Reading sound output in Java
Date	Sat, 26 Oct 2013 11:36:20 -0400
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On 10/26/2013 07:45 AM, Andreas Leitgeb wrote:
> GGolf <invalid@invalid.com> wrote:
>>> Unless you've got some very special sound hardware on the primary (VoIP
>>> running) machine, capturing both input and output (where input isn't
>>> itself mixed into the output) may just not be possible.
>> Hmm...I think you got a point here. I remember that the Stereo Mix
>> option on Windows wouldn't record the input to the microphone unless you
>> would /play it back/ to the speakers.
>
> The core of the problem appears to be that there is only one sound-device
> on a typical system, and the mixer settings are a property of that one device,
> not per-process.
>
> If the VoIP application obviously specifically requires to record only the
> microphone (in order to transmit it to the parties), then another process
> cannot have its own settings to record everything.
>
> I'm not sure if you need a recording solution for yourself, or if you
> intended to create a transcription add-on to be used by Joe "VoIP" User.
> If it was the latter, then I fear it won't be that easy.  If you create
> your own VoIP client that would be a different story, and also if there
> was an existing VoIP client with a decent API for plugging into the sound
> stream.
>
<http://licensing.ttu.edu/technologies/d-0205/vocal-recognition-with-speech-signal-processing-for-voice-over-ip-and-medical-transcription>

Thread

Reading sound output in Java GGolf <invalid@invalid.com> - 2013-10-22 08:52 +0530
  Re: Reading sound output in Java Lew <lewbloch@gmail.com> - 2013-10-23 16:00 -0700
    Re: Reading sound output in Java GGolf <invalid@invalid.com> - 2013-10-24 15:43 +0530
      Re: Reading sound output in Java Jeff Higgins <jeff@invalid.invalid> - 2013-10-24 11:47 -0400
      Re: Reading sound output in Java Lew <lewbloch@gmail.com> - 2013-10-24 11:18 -0700
        Re: Reading sound output in Java Jeff Higgins <jeff@invalid.invalid> - 2013-10-24 16:27 -0400
          Re: Reading sound output in Java Jeff Higgins <jeff@invalid.invalid> - 2013-10-24 16:36 -0400
        Re: Reading sound output in Java Joerg Meier <joergmmeier@arcor.de> - 2013-10-25 13:47 +0200
          Re: Reading sound output in Java Lew <lewbloch@gmail.com> - 2013-10-25 14:56 -0700
            Re: Reading sound output in Java GGolf <invalid@invalid.com> - 2013-10-26 14:17 +0530
              Re: Reading sound output in Java Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-10-26 09:32 +0000
                Re: Reading sound output in Java GGolf <invalid@invalid.com> - 2013-10-26 15:40 +0530
                Re: Reading sound output in Java Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-10-26 11:45 +0000
                Re: Reading sound output in Java Jeff Higgins <jeff@invalid.invalid> - 2013-10-26 11:36 -0400
                Re: Reading sound output in Java Jeff Higgins <jeff@invalid.invalid> - 2013-10-26 11:49 -0400
                Re: Reading sound output in Java Jeff Higgins <jeff@invalid.invalid> - 2013-10-26 13:10 -0400
              Re: Reading sound output in Java Jeff Higgins <jeff@invalid.invalid> - 2013-10-26 12:43 -0400
  Re: Reading sound output in Java Jens - 2013-10-25 08:03 +0200

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