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Re: Reading sound output in Java

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On 10/26/2013 04:47 AM, GGolf wrote:
> On 10/26/2013 3:26 AM, Lew wrote:
>> Joerg Meier wrote:
>>> Lew wrote:
>>>> GGolf wrote:
>>>>> Lew wrote:
>>>>>> GGolf wrote:
>>>>>>> Is there a way to read the output that the speakers produce?
>>>
>>>>>> Are you talking about using a microphone to record the speaker sound,
>>>>>> and reading that in a program?
>>>
>>>>> Yes, but using software instead of hardware. Basically, the "Stereo
>>>>> Mix"
>>>>> option that most systems had built-in years ago.
>>>
>>>> You're contradicting yourself, or else I'm not getting you. You said
>>>> "Yes" to the
>>>> microphone question, but you aren't using hardware. What?
>>>
>>>> I have no notion of what you mean by the "Stereo Mix" option.
>>>
>>>
>>> In Windows (and. presumably, other OSs), you can record "What you
>>> hear", as
>>> in, you can record whatever your speakers are playing. This is done on a
>>> software level, so it works even if you have no speakers or
>>> microphones. It
>>> seems to just intercept and copy the data that gets sent to the speaker
>>> output. I would guess that's what he want.
>>
>> Maybe, but what he asked for was "the output that the speakers
>> produce", not the
>> signal that is input to the speakers.
>
> Sorry for being so vague. I should have said "the signal that is input
> to the speakers".
>
>>
>> If he wants the signal as sent to the speakers, does he want the
>> actual electrical
>> signal, decoded and turned into some file format, or does he want a
>> copy of the
>> MP3 or WAV or whatever generated that signal, or what?
>>
>
> I _think_ either will do.
>
> Let me tell you the use case: I want to
> (i) capture a VOIP conversation (which could be between multiple
> participants, or just two participants), and
> (ii) convert that to text using a speech recognizer (using one of the
> various implementations of JSAPI), and
> (iii) display that text on screen.
>
> Note that this will also mean that I should be able to capture the input
> to the microphone at the same time. However, if I just get the signal
> that's input to the speakers, I think that would be a great beginning -
> I could at least transcribe the incoming side.
>
>> You can guess all you want, but absent the *OP* answering the
>> question, it is only a guess.
>>
>> As another responder said, the question is vague, and certainly
>> ambiguous.
>>
>> So, OP, how about it? Are you going to ask a good question, or give up
>> on getting a
>> good answer?
>
> I hope I've clarified the question at least a little more, based on your
> useful hints.
>
> I also aim to try experimenting with the Java Sound API as suggested by
> JensJ and others elsethread.
>
>>
>> The technique you use will depend on exactly what you want.
>>
>
There may be some help around about here:
<http://cmusphinx.sourceforge.net/sphinx4/>
<http://cmusphinx.sourceforge.net/sphinx4/javadoc/edu/cmu/sphinx/tools/audio/doc-files/HowToRunAudioTool.html>

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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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