Android: RenderScript Fast Fourier Transform

Closed Posted 6 years ago Paid on delivery
Closed Paid on delivery

We want a lightning-fast Android implementation of forward and inverse FFT (Fast Fourier Transform) for audio, written in RenderScript.

Requirements:

* It must behave the same way as the FFTW real-data DFT: [login to view URL]

* The forward FFT must take real inputs and produce complex outputs

* The inverse FFT must accept complex inputs and produce real outputs (you can assume the inputs will be such that the output will have no complex components)

* It must be written in RenderScript to run on an Android device

* The inputs are a window of 2048 audio samples, expressed as PCM floating-point numbers

* It must be fast enough to comfortably process real-time audio, i.e. a forward and inverse transform should take on the order of a millisecond

* Bonus: it should be possible to run with different precisions: half, single and double-precision floating-point numbers

Android Mathematics Software Development

Project ID: #16113973

About the project

21 proposals Remote project Active 6 years ago

21 freelancers are bidding on average $1244 for this job

HugeWave

Hello ***Let's built the successful project together*** https://www.freelancer.com/u/HugeWave.html This is my freelancer.com profile and please check my profile .. As you see , I have good experience in thi More

$1323 USD in 20 days
(82 Reviews)
8.7
needman

Hi. I have read your project description for about lightning-fast Android implementation of forwrd and inverse FFT for audio, written in RenderScript. I think I can complete these as you want. As you can see my prof More

$1323 USD in 20 days
(177 Reviews)
8.7
kongxiangjia

******* Full Time Mobile and Back-end developer for 7 years. ****** Dear I've read your description carefully and get to know that you need to make mobile apps. I have rich experience in this fields. Please sen More

$1323 USD in 20 days
(146 Reviews)
8.4
Smart1902

Hi, I have 7+ years of experience in Android and iPhone apps development.I understood your requirement and I am confident to do this Job.100% result guarantee ,high quality, security, expert development Thanks

$1250 USD in 20 days
(65 Reviews)
7.3
bondwp322

Hi, I am an experienced programmer and I'm sure I can complete your project asap. Please contact me and tell about your project details. I promise a high quality and punctual work. Thanks. ProjectName:Android: RenderS More

$1250 USD in 8 days
(54 Reviews)
6.6
YouSheng

Dear Client, I've just read your job post and much interested in your project. I have been creating high quality and excellent iOS and Android apps for 6+ years using Swift, Objectiv-C, Java, Ionic2. I've developed More

$1323 USD in 20 days
(33 Reviews)
7.3
developerpR0

Hey, I am bidding only for the Renderscript for the Fourier transform. I have worked previously on app to draw the Amplitude vs time wave of the recorded Audio in PCM array format. I have used the FFT Algorithm to crea More

$1333 USD in 10 days
(13 Reviews)
5.5
khoddam

I have done similar project for fft and inverse fft in assembly language and I am familiar with it. Writing the code in Java and RenderScript for android is much easier than writing in assembly language. In that pro More

$800 USD in 5 days
(31 Reviews)
5.2
madutzusvm

I have experience in building android renderscript based apps. Feel free to contact me if interested

$1250 USD in 20 days
(5 Reviews)
4.9
kanika6665

Hi After carefully reviewing the experience requirements for the job description, I feel that I am suitable for the job. Relevant Skills and Experience: I am Good at Android, Mathematics, Software Development Proposed More

$1250 USD in 20 days
(1 Review)
3.5