![]() ![]() (BitsPerSample * Channels) / 8.1 – 8 bit mono2 – 8 bit stereo/16 bit mono4 – 16 bit stereo (Sample Rate * BitsPerSample * Channels) / 8. Sample Rate = Number of Samples per second, or Hertz. Type of format (1 is PCM) – 2 byte integer For our purposes, it always equals “WAVE”.įormat chunk marker. Typically, you’d fill this in after creation.įile Type Header. Size of the overall file – 8 bytes, in bytes (32-bit integer). The header structure is 44 bytes long and has the following structure: Most likely for VC++ you will have to replace #include with #include WAV HEADER STRUCTURE The language used here is C, and has been compiled using GCC under Linux, but it can be easily run under Windows also with minimal modifications. While there are existing libraries in several languages which allow you to work with WAV files, this post is an attempt to understand how to read the WAV file format without any external library. The PCM format stores raw audio data without any compression or conversion, thus leading to the largest file sizes, as compared to other formats like AIFF or MP3 or OGG. ![]() ![]() WAV files can be of different extended formats, but PCM is the most popular and common. The WAV (or PCM) audio format is the most basic format for storing audio. ![]()
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