![]() ![]() An individual sample is the bit size times the number of channels. ![]() ![]() In this document, both single and dual channel recordings will be discussed. For a real quick example, one channel is mono and two channels are stereo. When looking at frequency response, the highest frequency can be considered to be 1/2 of the sample rate.Ĭhannels are the number of separate recording elements in the data. This means that 1 second of audio has 44,100 samples. Sample rate is the number of samples per second. The greater the resolution of the file is, the greater the realistic dynamic range of the file. In 16 bit, a total of 65,536 (-32768 to 32767) amplitude levels are available. In 8 bit recordings, a total of 256 (0 to 255) amplitude levels are available. 8 bit files are smaller (1/2 the size), but have less resolution.īit size deals with amplitude. For most of today's purposes, bit size should be 16 bit. A WAV file contains a header and the raw data, in time format.īit size determines how much information can be stored in a file. For the purposes of this document, only a simple PCM file will be explored. This document does not cover inserting useful data into the WAV (RIFF) audio file.Ī WAV (RIFF) file is a multi-format file that contains a header and data. This document is designed to cover uncompressed PCM audio files, the most common type of RIFF files. It covers bit size, sample rate, channels, data, headers and finalizing the file. This tutorial covers the creation of a WAV (RIFF) audio file. Digital Audio - Creating a WAV (RIFF) file ![]()
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