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Backing track app

I am designing an app to play backing tracks for my piano compositions. Each “track” will consist of 4 individual tracks with the following combinations (in m4a or mp3 or ? – I can supply the tracks in whichever format is best):

backing track only

backing track + metronome click track

backing track + piano

piano only

When the user selects a track to play one of the above options will be played (according to which option they chose). I will provide all the backing tracks.

My requirements:

- develop (suggest appropriate hosting for) a server where my tracks are stored

- work within opensource software (core audio, dirac LE, ?) to allow the app to play m4a (or mp3) tracks slower or faster without changing the pitch (range is up to 50% slower and 30% faster):

examples of apps that do this: Audiostretch, Tempo Slo Mo, Slow Down Music Player

- the app should be capable of:

- downloading and caching tracks within the app

- organising these tracks according to : alphabetically, by level of difficulty, albums, free/purchased

- play, pause, search within the track

- slow down and speed up the music before playback commences and during the track with no change in pitch (this is expressed as a percentage of the original tempo – up to 50% slower and 30% faster in 1% increments). Does not necessarily need to do this in “real time” - the user can press “pause” and then adjust the tempo rather than being able to adjust the speed during playback of the track.

- “loop” the piece or sections within the piece

- support in-app purchases (tracks can be bought as single tracks or as packs)

I have a preliminary design done (with a list of screens, colour schemes, screenshots of apps that I wish to emulate, etc.).

Taidot: iPad, iPhone

Näytä lisää: best app backing tracks, backing track player apps, original piano music, music compositions, mp3 packs, iphone free design apps, develop app free, designing apps, change app design iphone, best design apps iphone, backing track app, time track app, pitch this, music audio tracks, metronome, mp3 search app, wish list app, app screenshots design, app search ipad, screenshots app, music app design, opensource mp3 player, playback level, best design app, player music app

About the Employer:
( 0 reviews ) Brisbane, Australia

Projektin tunnus: #4275541

24 freelanceria on tarjonnut keskimäärin 1667 $ tähän työhön

WangJin

Please kindly check your PMB.

3000 $ AUD 20 päivässä
(50 arvostelua)
7.5
MAnkita

Hello, Please refer your PMB. Thank you!

3000 $ AUD 35 päivässä
(24 arvostelua)
7.5
beepig

We are ready to this job. Please contact us via PMB.

1000 $ AUD 15 päivässä
(58 arvostelua)
7.1
danchoe2011

Please check PMB. Thanks

3000 $ AUD 10 päivässä
(27 arvostelua)
6.9
softwareweaver

Hi, We are very much interested in your project and are ready to start immediately. Most importantly being among the top 10 bidders on this project of yours, if you notice we have "The Best" completion rate am Lisää

2000 $ AUD 25 päivässä
(41 arvostelua)
6.9
hanzhen18

Please check your PMB.

1500 $ AUD 15 päivässä
(40 arvostelua)
6.7
kkokko555

Please can you check the PMB?

1200 $ AUD 20 päivässä
(64 arvostelua)
6.7
qitsol

We are iphone certified. Please check your inbox.

2000 $ AUD 20 päivässä
(9 arvostelua)
6.2
hireafreeelancer

Hello, We are leading IT Services Company from India. We deals in a mobile and web app developments. We strongly believe in a customer's satisfaction and fulfill their requirements. Please check PM for ultimate solut Lisää

1500 $ AUD 20 päivässä
(21 arvostelua)
6.2
daffodilsoftware

HI, We are interested to discuss this opportunity further, Kindly check your PMB for more information and revert, Looking forward to hear back.

3000 $ AUD 30 päivässä
(2 arvostelua)
5.8
JinJingRi

Hi, could you check my PM, please?

1000 $ AUD 12 päivässä
(9 arvostelua)
5.7
patidarmanoj

Hi, I am interested in developing this 'backing track' app for you as I have the required expertise. For further details, please check inbox. regards,

1300 $ AUD 14 päivässä
(8 arvostelua)
5.3
SICS

Hi, Please check private message. Thanks

1200 $ AUD 25 päivässä
(10 arvostelua)
4.9
ininnovations

Hello, We have reviewed your app requirement.We have similar type of app.We have good expertise in Mobile app development. Please check PM

1400 $ AUD 35 päivässä
(4 arvostelua)
4.8
sphinxsolution

Expert Mobile Apps Developer Are Here. Check PMB to view our portfolio.

1500 $ AUD 20 päivässä
(7 arvostelua)
4.4
sincosten

Respected Client, Please check PMB for listing and confident to complete the project with quality services.. Best Regards

1300 $ AUD 15 päivässä
(3 arvostelua)
3.6
sevenmindstech

Hello, We have extreme knowledge in ios applications. We believe in quality, time, excellent communication and smart work. We can develop the app for you very effectively. Please see PMB for more details. Thanks.

900 $ AUD 10 päivässä
(1 arvostelu)
3.4
richINtechno

Hi, We are off shore based Smart Phone Applications/ Web Development Company working since 5 years. Please find the detailed bid in your PMB. Thanks VP Rich Technologies

2500 $ AUD 35 päivässä
(2 arvostelua)
3.1
Trentsetters

Hi, We are one of the best developer on freelancer. We can provide you a excellent solution as we are professional and experience. Read my PM for your ultimate solution. Have a nice day.

1500 $ AUD 25 päivässä
(1 arvostelu)
3.0
ifcodes

Hi! how are you? We are looking for the long term business relationship with you and We have all strength and ability to do and develop all kind of apps and games. Please read my pm so we can move further.. thanks

1500 $ AUD 30 päivässä
(1 arvostelu)
3.0