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Digital audio concepts - Web media technologies | MDN
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Audio_concepts#:~:text=Audio%20data%20format%20and%20structure%20At%20the%20most,for%20the%20individual%20samples%20within%20an%20audio%20file.
How Sounds are Represented
https://www.cs.scranton.edu/~ep/EP/data_sounds.html
In this context sound data is stored and transmitted in an analog form. 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.
How is audio represented with numbers in computers ...
https://stackoverflow.com/questions/732699/how-is-audio-represented-with-numbers-in-computers
Audio can represented by digital samples. Essentially, a sampler (also called an Analog to digital converter) grabs a value of an audio signal every 1/fs, where fs is the sampling frequency. The ADC, then quantizes the signal, which is a rounding operation.
Digital audio concepts - Web media technologies | MDN
https://developer.mozilla.org/en-US/docs/Web/Media/Formats/Audio_concepts
At the most basic level, audio is represented by a stream of samples, each specifying the amplitude of the audio waveform as measured for a given slice of the overall waveform of the audio signal. There are several formats used for the individual samples within an audio file.
Audio Data - Bill Poser
http://billposer.org/Linguistics/Computation/LectureNotes/AudioData.html
The audio data in an AIFF file is always uncompressed PCM. The header contains information about the number of channels, sampling rate, and resolution. The audio data, like all integer data in this format, is stored in big-endian format. Further information can be found here.
Sound Representation In Binary - Binary
https://learnlearn.uk/binary/sound-representation-binary/
Converting the audio wave to binary format Now we have the voltage for each measurement, all we need to do in order to store the data in binary is simply store a stream of binary numbers. At the start of the file we record the sampling rate, and then the rest of the audio file contains a stream of binary numbers, each of which correspond to the voltage at a given time.
How do computers process audio data? - Stack Overflow
https://stackoverflow.com/questions/5444020/how-do-computers-process-audio-data
Digital audio is stored as a sequence of numbers, called samples. Example: 5, 18, 6, -4, -12, -3, 7, 14, 4. If you plot these numbers as points on a Cartesian graph: the sample value determines the position along the Y axis, and the sample's sequence number (0, 1, 2, 3, etc) determines the position along the X axis.
Representing data - Representing text, images and sound ...
https://www.bbc.co.uk/bitesize/guides/zpfdwmn/revision/1
Representing data. All data inside a computer is transmitted as a series of electrical signals that are either on or off.Therefore, in order for a computer to be able to process any kind of data ...
Data Representation in Computing: Bring Data to Life ...
https://teachcomputing.org/courses/CO209/representing-data-with-images-and-sound-bringing-data-to-life
Key stage 3 Key stage 4. Free online course Approximately 8 hours of self-study. Learn how data is represented through media; audio, visual and text. This online course explores how computers do interesting things with data. You’ll discover how to represent and manipulate text, images and sound and compression and other algorithms.
Data representation | Digital Technologies Hub
https://www.digitaltechnologieshub.edu.au/teachers/topics/data-representation
All data that is stored within a computer, and transferred from or to a computer, is transmitted as a series of electrical signals that are either on or off. To process data, whether it be text, images or sounds, the computer must convert the information into binary form. The binary number system is a base-2 number system.
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