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The PCM2900/2902 is Texas Instruments' single-chip USB stereo audio codec with USB-compliant full-speed protocol controller and S/PDIF (only PCM2902). The USB protocol controller works with no software code, but the USB descriptors can be modified in some areas (e.g., vendor ID/product ID).
The PCM2912A is the Texas Instruments single-chip, USB stereo audio codec with a USB, 2.0-compliant, full-speed protocol controller and an analog front-end (AFE) function for headset applications. The USB protocol controller works with no software code, but USB descriptors can be modified on request.
The PCM2903C is TI’s single-chip, USB, stereo audio codec with a USB-compliant full-speed protocol controller and S/PDIF. The USB protocol controller requires no software code. The PCM2903C employs SpAct™ architecture, TI’s unique system that recovers the audio clock from USB packet data.
5 lis 2019 · PCM is an uncompressed, lossless audio format that is often used by audio codecs to convert the digital representation of the audio stream into analog sound that the user hears. It’s a well supported standard format that dates back to CDs.
Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs, digital telephony and other digital audio applications.
29 lis 2023 · Pulse Code Modulation (PCM), a fundamental technique in the realm of digital signal processing, stands as a cornerstone of modern digital audio and telecommunications. This article delves into the intricacies of PCM, providing a comprehensive exploration of its principles, applications, and evolution.
PCM (ang. pulse-code modulation) – metoda reprezentacji sygnału analogowego w systemach cyfrowych, używana w telekomunikacji, w cyfrowej obróbce sygnału (np. w procesorach dźwięku), do przetwarzania obrazu [1], do zapisu muzyki na płytach CD (CD-Audio) i w wielu zastosowaniach przemysłowych.
