Feeding audio signals into phone lines

Feeding audio signals into phone lines

I don't know if this is the proper newsgroup in which to post this
question. If it isn't, would you please advise me of a more
appropriate newsgroup.

Anyway, my question is: What is the simplest (and least expensive)
way to feed an audio signal into a telephone line?

My specific application is as follows: My speech is next to
impossible to understand due to cerebral palsy. Therefore, I often
use a speech synthesizer to communicate with people, including
people over the phone. Currently, to "speak" over the phone, I
depend on the microphone in a conference phone to pick-up the sound
waves coming from the speaker in my speech synthesizer. While this
configuration works, the quality of the sound that gets transmitted
over the phone line is less than satisfactory. This is why I am
seeking a direct way to input an audio signal into a phone line.

When making suggestions on how to accomplish what I want, please
keep in mind that I don't use a Windows computer with a sound card.
I still use a DOS computer, mostly because I can't/don't like using
a mouse.

I have a question about one possible solution to my problem: My DOS
computer has an internal modem that has an on-board speaker, which I
can use to hear the audio output from the phone line very clearly.
Is there an internal modem that has some sort of input jacks?

I look forward to your answers and suggestions.

Bill Geluso


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Re: Feeding audio signals into phone lines

In article <f7qmti$fpi$1@chessie.cirr,com >, Bill@this.is.false,com (Bill Geluso) wrote:
>I don't know if this is the proper newsgroup in which to post this
>question. If it isn't, would you please advise me of a more
>appropriate newsgroup.
>
>Anyway, my question is: What is the simplest (and least expensive)
>way to feed an audio signal into a telephone line?
>
>My specific application is as follows: My speech is next to
>impossible to understand due to cerebral palsy. Therefore, I often
>use a speech synthesizer to communicate with people, including
>people over the phone. Currently, to "speak" over the phone, I
>depend on the microphone in a conference phone to pick-up the sound
>waves coming from the speaker in my speech synthesizer. While this
>configuration works, the quality of the sound that gets transmitted
>over the phone line is less than satisfactory. This is why I am
>seeking a direct way to input an audio signal into a phone line.
>
>When making suggestions on how to accomplish what I want, please
>keep in mind that I don't use a Windows computer with a sound card.
>I still use a DOS computer, mostly because I can't/don't like using
>a mouse.
>
>I have a question about one possible solution to my problem: My DOS
>computer has an internal modem that has an on-board speaker, which I
>can use to hear the audio output from the phone line very clearly.
>Is there an internal modem that has some sort of input jacks?
>
>I look forward to your answers and suggestions.
>
>Bill Geluso

Does the speech device have a jack output? That would make it a bit easier.
If not, a separate microphone on the speaker is needed. A "phone patch" is
the normal configuration to go directly to the phone line. Some computer sound
card/modem configurations may let you do this also.

One example of a patch is here.............

http :// www .mfjenterprises,com /products.php?prodid=MFJ-624D

You can ask any of the audio groups or perhaps engineering or scientific
people. Also try rec.audio.tech



greg

Re: Feeding audio signals into phone lines

Bill@this.is.false,com (Bill Geluso) writes:
> When making suggestions on how to accomplish what I want, please
> keep in mind that I don't use a Windows computer with a sound card.
> I still use a DOS computer, mostly because I can't/don't like using
> a mouse.
>
> I have a question about one possible solution to my problem: My DOS
> computer has an internal modem that has an on-board speaker, which I
> can use to hear the audio output from the phone line very clearly.
> Is there an internal modem that has some sort of input jacks?
>
> I look forward to your answers and suggestions.


Hi Bill,

Sorry to hear of your difficulties with a thoroughly ruthless
disease.

The device you seek is known as a telephone hybrid. Good ones are a
couple hundred.

Here's an example though its XLR inputs/outputs aren't what you want
http :// www .bhphotovideo,com /c/product/333892-REG/JK_Audio_AUTO_AutoHybrid_Telephone_Audio.html

I'll try to hunt down a better device reccomendation but hopefully
someone beats me to it.


--
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