()

()

(duration = 0)

(swUrl, config)

(buffer1, buffer2, context)

(swUrl, config)

(buffer1, buffer2)

()

()

()

()

()

(startFrequency)

({ frequencyC, sinewaveC }, styles, props)

(url, { frequencyC, sinewaveC }, styles)

(url)

(resumeTime = 0)

(data, numberOfChannels, sampleRate)

()

()

()

()

({ playState, progress, volumeLevel, loading, onPlayBtnClick, onVolumeChange, onStopBtnClick, onProgressClick

()

({ playState, frequency, onPlayBtnClick, onStopBtnClick, onFrequencyChange })

()

({ playState, progress, volumeLevel, loading, onPlayBtnClick, onVolumeChange, onStopBtnClick, onProgressClick

()

({ playState, progress, volumeLevel, audionState, loading, onPlayBtnClick, onVolumeChange, onStopBtnClick, onP

()

()

()

()

()

()

(resumeTime = 0)

(resumeTime = 0)

(config)

(level)

(level)

(level)

()

()

()

()

()

()