Web Audio API

Hello all,

I want a sample of the project before validating a milestone, I want to see your old work, and especially that you explain to me how you will do to carry out this project.

No explanation? No milestone. A professional shows his know-how before signing a client. I don't spend my time and money on funny people who pretend to be experts.

I'm looking for a developer who knows JavaScript, to create a video player with Web Audio API functions. With The buttons function as. play, pause, full screen, volumn, subtitle, audio track.

- A javascript video player with buttons.

- A media url link. ( track 1) for the auto ducking audio function.

- An upload link subtitle.

- An audio upload link in mp3 or wave format ( track 2).

I am a fan of YouTube video dubbing, I want to use stream platform URLs like YouTube - DailyMotion - Vimeo on a web page connected localhost. ( See if it is necessary to retrieve APIs from all platforms)

The function of the web audio api will have to use the AudioParam object of AudioNode and must be integrated in the video player in order to reduce the sound of its track 1 (video url). We call it a Ducking:

Ducking is an audio effect commonly used in radio and pop music, especially dance music. In ducking, the level of one audio signal is reduced by the presence of another signal. In radio this can typically be achieved by lowering the volume of a secondary audio track when the primary track starts, and lifting the volume again when the primary track is finished.

All functions can be found on this website: 

[login to view URL] 


[login to view URL]

Track 2 of the audio should be uploadable from my hard disk in mp3 or wave format. ( no microphone)

The web audio api reduces the volume of track 1 ( video url) when the narrator speaks. In order to hear track 2. ( my voice recorded in mp3)

The design of the video player and web page is irrelevant since it is for personal use at home.

Please do not ask me for my budget or change the price afterwards. Your bid is your final price, that's all and nothing else. So if you think my budget is not high enough, don't answer thank you.

See you soon 

Compétences : Javascript, HTML5, Audio Processing, PHP, YouTube

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Concernant l'employeur :
( 1 commentaire ) orange, France

Nº du projet : #20055818

Décerné à:


hello my name is Chris , i have implemented various projects with the webaudio api in JavaScript my last project involved audio to text transcription find the link attached below [login to view URL] Plus

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