Download DAF Professional Lite apk 3.12 free for Android smartphone

23 Nov
DAF Professional Lite

Posted by Speech Tools Limited in Medical | Nov. 23, 2015 | 7 Comments

Apk file size: 2.2 MB

This is the free trial version of DAF Professional.

DAF Professional has been developed to be the leading app to help people who stammer or have Parkinson's Disease. It helps people to slow their rate of speech down which makes it sound clearer to others.

DAF Professional has been designed and tested by a certified and practicing Speech and Language Therapist (MSc, PGDip, BAHons, HPC registered and member of RCSLT). DAF Professional is the most effective and efficient Delayed Auditory Feedback (DAF) currently on the Android Market. No other app delivers the low latency required for effective use.

Delayed Auditory Feedback (DAF) is a well established speech and language therapy tool which helps people to speak more slowly. However, until recently, devises have been cumbersome to carry around, difficult to adjust, very expensive and therefore not widely used.

DAF was origionally developed for people who stammer, but has since been shown to work with people with other speech difficulties, such as those with Parkinson's Disease (Downie et al., 1981; Dagenaise, Outhwood & Lee, 1998; Lowit et al., 2006 and most recentely Lowit et al., 2010).

It works by enabling someone to hear his or her speech in an altered manner. This disruption to the normal auditory feedback loop causes the speaker to slow down. Research has shown that DAF will be of benefit to approximately a third of people who have a stammer or Parkinson's. Clinical research has not been carried out as yet on other client groups. However, DAF may well be of benefit to people with other medical speech conditions.

DAF Professional is an easy to use professional speech therapy tool which could make a huge difference to you or someone you know.

DAF Professional works during phone calls on most phones as well as operating as a standalone device.

If you encounter any problems then please email to [email protected] and we will do our very best to help you.

Whats new

    Fix recording permission problem on Marshmallow.
    Minor fixes.
    Updated for Android Marshmallow.

Speech Tools Limited part of our Medical and have average installs from 10000 to 50000. Last Update Nov. 23, 2015. Google play rating is 71.0204. Current verison is 3.12. Actual size 2.2 MB.

Download daf-professional-lite.apk 2.2 MB


murali palaniappan

Very helpful...

ram kumar

working fine it is working just fine, as a stammering eveyone should try this.

A Google User

Doesn't work through HTC hero headphone jack unless I'm missing something - completely and utterly useless.

A Google User

Really...? Money grubbing backwards garbage. Would probably help and cover a wider demograph if it worked with a headset.

A Google User

looks ok Looks OK, and I'll probably buy the full version if I don't encounter major issues. Anyway, I wish this has an auto-silence feature though. The app delays other people's speech too...

A Google User

this is the solution I've been looking for! THANK YOU FOR THIS!!! My speech therapist finally hit on DAF as the tool for me, and with your app and the earpiece I just bought, I can take DAF with me wherever I go now! Too cool!

Пользователь Google

Nice that you are developing it! So far is quits when I use it with BT. I have Acer Liquid Metal. low latency Audio = False REcord buffer 4096 Playback Buff 20480 The program has a good potential! Please, continue development!

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