Play each of these segments again and again until you feel you recognise the sound pattern. Click on word tiles to hear them separately.
Play a segment, then try to imitate it, exactly, using your key or keyer. Repeat it as many times as it takes to feel that you’ve got the correct word pattern.
Note: there is a newer CW Generator page that you can use.
If you need to practise any other sequences then enter them below. If you want to use prosigns then enclose them with angle-brackets (e.g. "<BK>").
Note: there is a newer and better Instant Character Recognition tool which may be used.
Choose the letters you want to practise:
Please enable cookies on this site to store your preferences between training sessions.
There are many keyboard shortcuts which can also access additional functions such as playing the next segment. Press ? to list them.
This tool works in most browsers: please see the FAQ if you are having problems.
If you want to use this training software offline then you can download it here. To use it, unzip the file, go into the folder and double-click on "index.html". It's a bit out of date, but everything should work apart from the donation button!