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Digital Audio Basics: Audio Sample Rate and Bit Depth
https://www.izotope.com/en/learn/digital-audio-basics-sample-rate-and-bit-depth.html
What is an audio sample? 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 …
ESP32 Tutorial: Sampling Audio via the ADC | Toptal
https://www.toptal.com/embedded/esp32-audio-sampling
The usual way audio signals are sampled from an interrupt involves maintaining a memory buffer of samples, filling it in with sampled data, and then notifying a handler task that data is available. The ESP-IDF documents the adc1_get_raw() function which measures data on a particular ADC channel on the first ADC peripheral (the second one is used by WiFi).
Sample MP3 audio files
https://samplelib.com/sample-mp3.html
Sample MP3 audio files MP3 is one of the most popular audio coding formats. It is supported by most devices. Below are sample music files available for download with no license restrictions 3-second synth melody 50 Kb Download 6-second synth melody 100 Kb Download 9-second melody using background drums 150 Kb Download
How do I use audio sample data from Java Sound? - …
https://stackoverflow.com/questions/26824663/how-do-i-use-audio-sample-data-from-java-sound
The samples can be obtained with the utility methods Float#intBitsToFloat and Double#longBitsToDouble. // IEEE 32-bit float sample = Float.intBitsToFloat ( (int) temp); // IEEE 64-bit double sampleAsDouble = Double.longBitsToDouble (temp); float sample = (float) sampleAsDouble; // or just use double for arithmetic.
40 Open-Source Audio Datasets for ML | by Nir Barazida ...
https://towardsdatascience.com/40-open-source-audio-datasets-for-ml-59dc39d48f06
This repository contains code and data used in Interpreting and Explaining Deep Neural Networks for Classifying Audio Signals. The dataset consists of 30,000 audio samples of spoken digits (0–9) from 60 different speakers. Additionally, it holds the audioMNIST_meta.txt, which provides meta information such as the gender or age of each speaker.
Re samples audio data using simple methods. - Java javax ...
http://www.java2s.com/example/java/javax.sound.sampled/re-samples-audio-data-using-simple-methods.html
* Resamples audio data using simple methods. * @param data Input data * @param length Amount of input buffer that is actually used * @param stereo True if input is stereo * @param inFrequency Frequency of input * @param outFrequency Frequency of output * @return Resampled audio data
Record, Replay and Visualize Raw Audio Data in Android ...
https://medium.com/@NVSoftware/record-replay-and-visualize-raw-audio-data-in-android-93ad10262dd3
A sample is a value or set of values at a point in time and/or space. The speed at which these samples are taken is called sampling rate. For audio recording its usually 44100 Hz, which means 44...
Audio Data - Bill Poser
http://billposer.org/Linguistics/Computation/LectureNotes/AudioData.html
The most common sampling rate nowadays is 44,100 samples per second. rate used for music CDs. Since the music market is much larger than any other (such as the market for acoustic phonetics research), off-the-shelf hardware and software is designed to its specifications. This sampling rate allows for frequency content
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