I have had great success with the Java port of FFTPACK: http://www.netlib.org/fftpack/
-shawn Shawn Van Every Author: Pro Android Media (Coming Late 2010) http://apress.com/book/view/9781430232674 On Sep 15, 7:03 am, Indicator Veritatis <[email protected]> wrote: > Well, it depends on how many different frequency bins he wants and how > complicated a windowing function. If he wants lots of bins and a fancy > window, he will wish he had direct access to the DSP on the phone as > well as raw audio. > > Otherwise, he can get a lot of mileage out of an FFT algorithm even in > plain Java. Processors are so much faster these days, even on a phone. > > On Sep 14, 3:30 am, Tez <[email protected]> wrote:> AudioRecord API. > > Using this you can get raw bytes from the microphone stream. > > Since you are analyzing audio, this is a heavy operation. You may want > > to consider the NDK. > > However, you cannot access the audio APIs from the NDK. You may have > > to write a JNI wrapper to transfer byte streams. > > > Cheers, > > Earlence > > > On Sep 14, 12:19 pm, Muhammad Ali <[email protected]> wrote: > > > > Hi All, > > > > I am new for multimedia in java and I am going to develop an > > > application which can analyze the sound spectrum. I don't know how to > > > get a real time sound from the mic of the android and analyze it. If > > > someone know about any API and method that how to get real time sound > > > and get the values of its spectrum please help me, I am very thankful > > > you for your precious time. > > > > Yours, > > > Ali -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
