Audio waveform


Need to implement a waveform for editing and recording audio files.

Base requirements to the project(editing):

1. It must be working smoothly with big audio files(till 10 hours)

2. Zoom for waveform

3. Option to choose part of the waveform to cut/insert.

4. Thumb to set a playback time on the waveform(moving by finger).

5. Dynamic ruler with the time scale. It changes a time scale depends on zooming of the waveform.

6. Perspective of whole waveform on which will be able to choose a part of the waveform to work with this part.

7. Option to set notes on the waveform like a graphical marker. If the graphical marker is tapped the pop up window will show details of this marker(text note, name, maybe a small photo)

Base requirements to the project(recording):

1. It must be working smoothly with big audio files(till 10 hours)

2. Zoom for waveform (several values are set in the settings unlike when editing)

3. Thumb to set a some time back(moving by finger) to re-write last part of the recording(only during pause).

Skills: Objective C, Graphic Design, Audio Processing, Graphical User Interface (GUI), OpenGL

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About the Employer:
( 0 reviews ) Sochi, Russian Federation

Project ID: #23923736

5 freelancers are bidding on average $1950 for this job


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$2000 USD in 7 days
(69 Reviews)

Hello ! Hope you are doing well ! I have just seen your requirement:- Audio waveform. I can build this for you. I have my professional team expertised in Audio Processing, Graphic Design, Graphical User Interface (GUI) More

$2500 USD in 8 days
(0 Reviews)

Hi Greetings We are 100% capable to accomplish your task. in few hours we will provide you free sample We divided our work in two steps First Step Free Demo Second Step Free Consultation. open a chat to take a resul More

$1500 USD in 7 days
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[login to view URL] Hi my name is Tari Watkins and I'm a music artist and music engineer I been doing music for 10 years study and master the sound of musi More

$1500 USD in 3 days
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Dear sir. Your project attracted my attention at first glance, because I've extensive experience in Audio Processing Programming. I'm really confident about your project, and very eager to join your project. If we have More

$2250 USD in 7 days
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