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Understanding audio bitrate and audio quality | Adobe
https://www.adobe.com/creativecloud/video/discover/audio-bitrate.html#:~:text=Sample%20rate%20and%20bit%20depth.%20The%20sample%20rate,is%20also%20the%20sampling%20rate%20for%20audio%20CDs.
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 most common audio sample rate you’ll see is 44.1 kHz, or 44,100 samples per second. This is the standard for most consumer audio, used for formats like CDs. This is not an arbitrary number. Humans can hear frequencies between 20 Hz and 20 kHz.
Understanding audio bitrate and audio quality | Adobe
https://www.adobe.com/creativecloud/video/discover/audio-bitrate.html
Most digital audio has a sampling rate of 44.1kHz, which is also the sampling rate for audio CDs. This means that the audio is sampled 44,100 times per second during recording. When the audio is played, the hardware then reconstructs the sound 44,100 times per second.
Digital Audio - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/digital-audio
Digital audio files are now the standard method for music recording, distribution and playback. For CD recording, the original audio signal is sampled at a rate of 44,100 samples per second at a resolution of 16 bits per sample, allowing all the original information in signals up to 22 kHz (the limit of human hearing) to be accurately represented.
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.
Understanding Audio Quality: Bit Rate, Sample Rate ...
https://micropyramid.com/blog/understanding-audio-quality-bit-rate-sample-rate/
As the bit rate increases the amount of data streamed per second increases at a good sampling rate to produce the replica of analog signal with more bit depth(16 for audio) thus increasing the bandwidth and file size to produce the best audio quality. Some of the bit rate and sample rate preferred are given below: For MP3format the Mp3 streaming bit rates and sample …
Sound Quality vs. Data Rate
https://www.dspguide.com/ch22/3.htm
An 8 kHz sampling rate, with an ADC precision of 8 bits per sample, results in a data rate of 64k bits/sec. This is the brute force data rate for natural sounding speech. Notice that speech requires less than 10% of the data rate of high fidelity music.
Digital Audio, Part 2: Introduction to MIDI and Computer ...
https://cecm.indiana.edu/361/digitalaudio2.html
There are different data rates available for MP3 files, depending on the quality you want (e.g., 128 kbps, 160 kbps, 192 kbps, 256 kbps, etc.). These are anywhere from 5 to 11 times smaller than uncompressed audio.
Digital Audio
http://www.audiodope.org/en/help/DigitalAudio.html
The first kind of sampling, using measurements only at evenly spaced time intervals, is simply called, sampling. The rate at which it is performed is called the sampling frequency (see Fig. 2(a)). For audio, typical sampling rates are from 8 kHz (8,000 samples per second) to 48 kHz. This range is determined by Nyquist theorem discussed later.
Understanding Audio Data Compression: MP3s, AACs, …
https://www.uaudio.com/blog/understanding-audio-data-compression/
Generally speaking, 128 kbps (kilobits per second) is considered the bitrate at which an MP3 begins to exhibit artifacts of data compression. Not coincidently, it’s also the rate many websites use for downloads, since it offers a smaller file size with relatively minimal loss.
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.
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