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CHAPTER 6 FUNDAMENTALS OF DIGITAL AUDIO
http://cis.csuohio.edu/~sschung/CIS465/ch04bDigitizingSoundAll.pdf
Step 2. Quantization • Each of the discrete samples of amplitude values obtained from the sampling step are mapped and rounded to the nearest value on a scale of discrete levels. • The number of levels in the scale is e,˜ressed in bid ep--the power of 2. • An 8-bit audio allows 2 8= 256 possible levels in the scale • CD-quality audio is 16-bit (i.e., 2 16 = 65,536 possible levels)
Fundamentals of digital audio processing
http://smc.dei.unipd.it/education/algo4smc_ch1.pdf
Fundamentals of digital audio processing 1-3 4. D = Z, C = Z: numerical, or digital, signal. This is the type of signal that can be processed with the aid of the computer. In these sections we will focus on discrete-time signals, regardless of whether they are quantized or not. We will equivalently use the terms discrete-time signal and sequence.
Audio Tutorial - Mixed-signal and digital signal ...
https://www.analog.com/media/en/technical-documentation/application-notes/21065L_Audio_Tutorial.pdf
Implementation of various digital audio algorithms will be demonstrated, with theoretical equations as well as actual coding implementations shown wherever possible. These include basic audio signal manipulation, filtering techniques, waveform synthesis techniques, digital audio effects and more.
Understanding PDM Digital Audio - users.ece.utexas.edu
https://users.ece.utexas.edu/~bevans/courses/rtdsp/lectures/10_Data_Conversion/AP_Understanding_PDM_Digital_Audio.pdf
Understanding PDM Digital Audio 3 Introduction PDM stands for pulse density modulation. However, it is really better summarized as “oversampled 1-bit audio”, as it is nothing more than a high sampling rate, single-bit digital system. If one increased the sample rate of audio CDs by a large factor, and reduced the wordlength from 16 bits to ...
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