[DECtalk] Best way to record sound from a DECtalk Express

Jayson Smith jaybird at bluegrasspals.com
Sun Sep 9 04:32:52 EDT 2018


Most of what you said is true. However, using a sampling rate above 
11025 won't get you any actual better quality speech. It sounds like it, 
but it's just aliasing. As far as I know, all DECtalk versions generate 
speech at 11025.


On 9/7/2018 1:55 PM, tony at baechler.net wrote:
> Hi,
> I'm sure others will have ideas, but here is what I did. You need what 
> Radio Shack called a patch cord. Of course Radio Shack is mostly gone, 
> so try Amazon. Basically, it has plugs on both ends. One end goes into 
> the earphone jack of the DECtalk Express or other device. The other 
> end goes into the line-in on your sound card. You just record from 
> line-in as you would normally. It shouldn't pick up any other noise. I 
> suggest getting a mono cord, but a stereo one works fine. It shouldn't 
> be very expensive if they still make them anymore. They're good to 
> have and have all kinds of uses. It doesn't matter what end goes into 
> what jack. I used them to transfer audio from cassette. As you found 
> out, you can't use an external recorder.
> Another, probably far easier, option is to use speak.exe and have it 
> output a .wav of what you want. There are two issues though. First, 
> it's a demo and has limitations on text size. The second is that, in 
> my opinion, the output it generates doesn't sound very good. It uses a 
> different version of the software than the Express and the .wav files 
> are at a very low sample rate. Recording from hardware definitely 
> gives you better quality.
> On 2018-09-07 09:16, Aksel Leo Christoffersen wrote:
>> Hi,
>> I am interested in recording sound from my DECtalk Express, so I can 
>> save various things as wave files, but what is the best way to record 
>> from it?
>> I’ve found a recording in the DECtalk Archive of a DECtalk Express 
>> turning on, and there’s no background noice or anything. So I first 
>> tried to use a Olympus recorder with a audio-cable to record the 
>> sound, but there was some background noice. I then tried to use the 
>> microphone line-in on my computer, but that created even more 
>> background noice.
>> Here are links to the recordings, so you can hear what I mean.
>> Recording from the DECtalk Archive:
>> https://www.dropbox.com/s/hmz8h445fsgk49n/DTOnAC1.wav?dl=1
>> Recording with my Olympus recorder:
>> https://www.dropbox.com/s/pxyx7uign0jofqf/DTOnAC2.wav?dl=1
>> Recording from line-in on my computer:
>> https://www.dropbox.com/s/6d9aab5l6mth433/DTOnAC3.wav?dl=1
>> So do anyone know, how the recording from the Archive was made, or 
>> simply what is the best way to record the sound?
>> Thanks in advance, and sorry for my bad english.
>> Best regards:
>> Aksel Christoffersen
>> _______________________________________________
>> Dectalk mailing list
>> Dectalk at bluegrasspals.com <mailto:Dectalk at bluegrasspals.com>
>> http://bluegrasspals.com/mailman/listinfo/dectalk
> _______________________________________________
> Dectalk mailing list
> Dectalk at bluegrasspals.com
> http://bluegrasspals.com/mailman/listinfo/dectalk

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://bluegrasspals.com/pipermail/dectalk/attachments/20180909/7d3dd514/attachment.html>

More information about the Dectalk mailing list