NAudio to split mp3 file

c# asp.net split mp3 naudio
joe kirk picture joe kirk · May 23, 2011 · Viewed 10.9k times · Source

I am very new to audio or mp3 stuff, was looking for a way to have a feature to split an mp3 file in C#, asp.net. After googling for a good 3-day without much of a great help, I am hoping that somebody here can point me to a right direction.

Can I use NAudio to accomplish this? Is there any sample code for that? Thanks in advance.

Answer

Mark Heath picture Mark Heath · May 23, 2011

An MP3 File is made up of a sequence of MP3 frames (plus often ID3 tags on the beginning and end). The cleanest way to split an MP3 file then is to copy a certain number of frames into a new file (and optionally bring the ID3 tags along too if that is important).

NAudio's MP3FileReader class features a ReadNextFrame method. This returns an MP3Frame class, which contains the raw data as a byte array in the RawData property. It also includes a SampleCount property which you can use to accurately measure the duration of each MP3 Frame.

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