Question

I’m having a wave file that is 5 secs long.
How can I implement a playback feature that can play from a point in timeline until another.
for example, play from 3.00s – 4.00s (only a segment of original waveform)

Answer 1

Not tested, but you can check this: MDN: Using HTML5 audio and video # Specifying play back range

A few examples:

http://foo.com/video.ogg#t=10,20

Specifies that the video should play the range 10 seconds through 20 seconds.

http://foo.com/video.ogg#t=,10.5

Specifies that the video should play from the beginning through 10.5 seconds.

http://foo.com/video.ogg#t=,02:00:00

Specifies that the video should play from the beginning through two hours.

http://foo.com/video.ogg#t=60,

Specifies that the video should start playing at 60 seconds and play through the end of the video.