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How Sounds are Represented
https://www.cs.scranton.edu/~ep/EP/data_sounds.html
How Sounds are Represented. Since computers represent data in digital form, (as bits and bytes) the sound in analog form must be converted to digital form to be retained. Likewise then the digital representation of the sound must then be converted to analog form for our ears to hear it. One of the advantages of digital recordings over analog recordings is that the digital ones do …
Digital audio - Wikipedia
https://en.wikipedia.org/wiki/Digital_audio
Digital audio is a representation of sound recorded in, or converted into, digital form.In digital audio, the sound wave of the audio signal is typically encoded as numerical samples in a continuous sequence. For example, in CD audio, samples are taken 44,100 times per second, each with 16-bit sample depth.Digital audio is also the name for the entire technology of sound …
PCM Audio - COMPLETE GUIDE AND REFERENCE
https://planethifi.com/pcm-audio/
As an example, for an audio CD, an analog waveform is sampled 44.1 thousand times per second (or 44.1kHz), with dots that are 16 bits in size (bit depth). In other words, the digital audio standard for CD audio is 44.1 kHz / 16 bits. PCM Audio and Home Cinema. PCM audio is used in CD, DVD, Blu-ray, and other digital audio applications.
How is audio represented with numbers in computers ...
https://stackoverflow.com/questions/732699/how-is-audio-represented-with-numbers-in-computers
The simplest way to represent sound as numbers is PCM (Pulse Code Modulation). This means that the amplitude of the sound is recorded at a set frequency (each amplitude value is called a sample). CD quality sound for example is 16 bit samples (in stereo) at the frequency 44100 Hz.
Chapter 5 – Digital Sound & Music
https://digitalsoundandmusic.com/chapters/ch5/
CD quality sampling rate is 44,100 Hz (44.1 kHz), which is acceptable as it is more than twice the highest audible component. In other words, with CD quality audio, the highest frequency we care about capturing (20 kHz for audibility purposes) is less than the Nyquist frequency for that sampling rate, so this is fine.
Digital Audio Basics: Audio Sample Rate and Bit Depth
https://www.izotope.com/en/learn/digital-audio-basics-sample-rate-and-bit-depth.html
The audio sample rate determines the range of frequencies captured in digital audio. In most DAWs, you’ll find an adjustable sample rate in your audio preferences. This controls the sample rate for audio in your project. The options you see in the average DAW—44.1 kHz, 48 kHz—may seem a bit random, but they aren’t!
Analogue and digital sound explained | MusicRadar
https://www.musicradar.com/tuition/tech/analogue-and-digital-sound-explained-587053
With PCM, audio is represented as the raw numbers that the AD converter presents to a recording system, or the numbers the DAW created in its virtual mixer. No further processing is introduced, no further modification to the audio date is made – making these file types ideal for exporting a mix at the highest quality you can.
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