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Sound Representation
https://cs.wellesley.edu/~cs110/reading/sound.html
Thebit-resolution of CD-quality music is 16: that is, 16-bit numbers are usedon the vertical axis, giving us 216=65,536 distinct levels fromlowest to highest. Using this, we can actually calculate the bit rate andthe file size: bit rate (bits per second) = bit-resolution * …
Digital audio concepts - Web media technologies | MDN
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Audio_concepts
The 44.1 kHz sample rate is used for compact disc (CD) audio. CDs provide uncompressed 16-bit stereo sound at 44.1 kHz. Computer audio also frequently uses this frequency by default. 48000 Hz. The audio on DVD is recorded at 48 kHz. This is also often used for computer audio. 96000 Hz. High-resolution audio. 192000 Hz. Ultra-high resolution audio.
What audio format do CDs use? - Quora
https://www.quora.com/What-audio-format-do-CDs-use
Compact Disc Digital Audio is the format stored on the disc and, along with the audio it contains other information such as track times and numbers, but when you strip away all the formatting used to store the audio information on a CD, what you have left - the raw audio - is encoded in a format known as Linear Pulse Code Modulation (LPCM).
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 sound wave is converted into data through a series of snapshot measurements, or samples. A sample is taken at a particular time in the audio wave, recording amplitude. This information is then converted into digestible, binary data. The system makes thousands of measurements per second.
Audio Codecs Explained for Non-Audiophiles | Audioholics
https://www.audioholics.com/audio-technologies/codecs
It is measured in samples per second or Hertz (Hz/kHz). These samples are taken at equal intervals, and affect the depth of the audio. The more samples there are in a second, the greater detail that audio signal is going to carry. Sample rate in audio is analogous to frame rate in video.
What is the maximum allowed audio amplitude on the ...
https://www.quora.com/What-is-the-maximum-allowed-audio-amplitude-on-the-standard-audio-CD
The audio CD standard is 16 bit resolution, therefore the dynamic range of an audio CD is 96 dB (16 bit x 6 dB per bit=96 dB). Since 0dBFS is as loud as it gets, that means the quietest sound on the CD can be as low as -96dBFS — anything lower will be noise.
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 …
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