What does ADPCM mean in UNCLASSIFIED


ADPCM is an audio coding system used to reduce the amount of data needed for transmitting sound. It compresses digital audio signals by analyzing the differences between successive samples and encoding them accordingly. ADPCM is often used in sound cards, CD-ROMs, internet streaming audio, and other applications where data size is a limiting factor.

ADPCM

ADPCM meaning of the Abbreviation is...

ADPCM mostly used in an acronym Unclassified in Category Miscellaneous that means Adaptive Differential Pulse Coded Modulation

Adaptive Differential Pulse Coded Modulation

For more information of "Adaptive Differential Pulse Coded Modulation", see the section below.

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Essential Questions and Answers on Adaptive Differential Pulse Coded Modulation in "MISCELLANEOUS»UNFILED"

What is ADPCM?

ADPCM stands for Adaptive Differential Pulse Coded Modulation. It is a method of compressing digital audio signals by analyzing the differences between successive samples and encoding them accordingly.

How does ADPCM work?

ADPCM works by analyzing the difference between two successive digital audio samples and encoding that difference into a code word representing the amplitude of one sample relative to the previous sample. The code words are then used to generate a series of digital pulses which represent the original signal with reduced data size.

When is ADPCM used?

ADPCM is commonly used in applications where data size is a limiting factor such as sound cards, CD-ROMs, internet streaming audio, etc.

How effective is ADPCM at reducing data size?

The effectiveness of ADPCM depends on content complexity and can range from approximately 2x to 10x smaller than PCM encoded data depending on conditions such as bitrate and frequency range.

Final Words:
In conclusion, Adaptive Differential Pulse Coded Modulation (ADPCM) has become an important technique for digital audio compression due to its ability to significantly reduce file sizes while still providing quality sound reproduction. Although there are some drawbacks associated with its use, these drawbacks can be minimized when using appropriate parameters and settings given the specific application requirements.

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