Fix deprecated web-audio api: GainNode.gain.value instead of AudioBufferSourceNode.gain. AudioBufferSourceNode.start() instead of AudioBufferSourceNode.noteGrainOn(). AudioBufferSourceNode.stop() instead of AudioBufferSourceNode.noteOff().
Fix deprecated web-audio api:
GainNode.gain.value instead of AudioBufferSourceNode.gain.
AudioBufferSourceNode.start() instead of AudioBufferSourceNode.noteGrainOn().
AudioBufferSourceNode.stop() instead of AudioBufferSourceNode.noteOff().

wise9/enchant.js,wendelas/enchant.js,wise9/enchant.js,shellkana/enchant.js,TukekeSoft/enchant.js,li0t/enchant.js,TukekeSoft/enchant.js,li0t/enchant.js,shellkana/enchant.js,Gunbard/enchant.js,Gunbard/enchant.js,wendelas/enchant.js