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LC786821E - Compressed Audio Signal Processor IC with …

    https://www.onsemi.com/pdf/datasheet/lc786821e-d.pdf
    Compressed Audio Signal Processor IC with USB Host Controller and Bluetooth LC786821E Overview The LC786821E integrates Arm7TDMI−S®, USB host processing, SD memory card host processing, compressed audio decode processing, audio signal processing and a flash memory which stores the program for Arm7TDMI−S and the various data. The sophisticated

Simple SD Audio Player with an 8-pin IC - ELM by ChaN

    http://elm-chan.org/works/sd8p/report.html
    2009-8-11 · with an 8-pin IC. This is a simple SD audio player biult with only an 8-pin microcontroller. The ATtinyX5 series (25/45/85) 8-pin AVR microcontroller has two fast PWM outputs in 250kHz carrier frequency. This enables to output a wide frequency range audio signal. I built an audio player with the 8-pin AVR and an SD memory card (SDC).

Voice/Audio Recorder Playback Circuits - Homemade …

    https://www.homemade-circuits.com/make-single-chip-programmable/
    2021-8-19 · Audio Record/Playback Circuit using IC ISD1820. The second concept explains the functioning of the IC ISD1820 which is a single chip audio message record/playback chip featuring a 20 second audio recording and storing facility in its internal memory and playing it back through a small 8 ohm speaker whenever required. Introduction

Audio Amplifier IC - Audio Power Amplifiers ...

    https://www.st.com/en/audio-ics/audio-amplifiers.html
    The TDA7498E amplifier offers flexible audio-system configuration, in both stereo and mono modes, and also includes the mono parallel feature for driving the subwoofer/woofer channel in 2.1 sound set-ups. To maximize the speaker output power, sound-system manufacturers require high-efficiency amplifiers capable of driving speakers at low impedances of 2 or 3 ohms, which …

Dream Sound Synthesis & Audio Applications

    https://www.dream.fr/devices.html
    The SAM5504B includes four 24-bit DSPs and is delivered in a 64-pin QFP package, offering low pin count memory interfaces. The SAM5504B is the ideal choice for lowest cost audio applications such as small digital keyboard, USB controller keyboard, USB sound module, effect device, speaker processing or USB Audio Interface. 81 (with effects)

Audio IC: What You Need to Know About iPhone 7 Loop …

    https://blog.puls.com/iphone-7-loop-disease
    2022-1-30 · Audio IC: What You Need to Know About iPhone 7 Loop Disease Tweet iPhone 7 users beware – some might call it karma, but Motherboard cites one tech expert as calling it “loop disease,” essentially a next-generation cousin of the iPhone 6’s “touch disease.”

SigmaDSP Audio Processors | Analog Devices

    https://www.analog.com/en/products/processors-microcontrollers/processors-dsp/sigmadsp-audio-processors.html
    2020-8-16 · SigmaDSP® processors are fully programmable, single chip audio DSPs that are easily configurable through the SigmaStudio™ graphical development tool, and are ideal for automotive and portable audio products. SigmaDSP chips are available with integrated sample rate converters, A/D converters, D/A converters, and output amplifiers.

Memories - Infineon Technologies

    https://www.infineon.com/cms/en/product/memories/
    2021-6-10 · Embedded Flash IP Solutions. With nearly 40 years of experience in discrete memory semiconductors, we lead the industry with best-of-breed memory products, solutions, and technologies. We introduced our first random access memory in 1982, and have grown from that auspicious beginning to a broad range of products spanning NOR Flash, pSRAM, SRAM ...

freeDSP | An Open-Source Low-Budget Audio DSP

    https://freedsp.github.io/
    2021-8-20 · A DIY audio dsp project. The freeDSP is an open-source digital signal processor family for the do-it-yourself community. The applications range from active loudspeaker concepts (digital crossovers, bass enhancement, ...) and room equalization over advanced musical effect processors to car audio signal processing.

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