Ear Training Techniques
I am looking for some good exercises to train my ear to identify key, have started to integrate maschine and massive into my djing and am wanting to start doing some live synth but just have a hard time knowing what to play because alot of my tracks key is wrong. Looking for a good starting point to begin training my ear.
For critical listening skills in general…I HIGHLY recommend this book. Plan to work through all the exercises a few times.
I never read such a book though I imagine such things might help. What I do when identifying keys of new songs I run some software to analyze first and check it with my keyboard. That proves to be a good mix between speed and accuracy. When checking with my keyboard I do the following:
Also I do this before I use the song for DJing, because it takes some time (even though you get much quicker at it with practice) and of course you need a keyboard (or a software keyboard - which I use on my macbook sometimes).
Finding the key by having a fixed reference key (eg. tuning fork) or varying, but fixed reference key (eg. the ongoing song in a mix with a known key) can be learned easier than learning the absolute pitch, but is still harder than using a keyboard. Anyways this will probably just come with time, because it is the same thing as singing a song correctly: You might not know the first note of the “happy-birthday”-song, but you just chose one that you feel comfortable with and than you just know the next tone, because you know the interval between the first and the second note. Maybe you can not name it (eg. X semitones), but THAT is what you can learn. And once you learned that you can proceed to finding the (relative) interval between base notes of chords.
For knowing the key without any reference (eg. keyboard or tuning fork) you would need an absolute pitch. If that’s what you are aiming for than things get much more complicated. You will probably need years to learn that - if you ever will.
Auralia
Developing some solid chord recognition and interval recognition skills would be highly useful. Check out Auralia ear training software Auralia for the full program. Or they are starting to release a series of single topic apps also - Cloud Edition
Good luck!
Quizetones:
Go to musictheory.net where you have a basic free online course, they also have a free app, it will teach you about scales, intervals, chords etc. For ear training you could get an app called tenuto that has exercises for identifying notes, intervals etc. Its a small price and very handy.
learn to play the piano. this is the best exercise ever. it will teach your ear while teaching you to read music.
Although already in progress, Queen’s University is running a free online course in critical listening. Pretty sure you can still join and do the exercises.
Any apps like this for Android?
Get some Techniques and start playing on vinyl. Get decent at that and everything else will seem easy
Great beatmatching tip! What it has to do with the thread who knows?! 
Hey!
I happen to work as support for a ear training software, that helps you train your ear. There is a lot of different exercises in all the different aspects of ear training. It is for beginners as well as higher level musicians. You can customized the activities for your exact need. It might be helpful. You can read more about it on this website: http://www.earmaster.com/
It is a fun and easy way to train your ear, and i think that it would help you alot. You can always just try the free trial to see if you like it and if it works for you.
-Niclas