Creating an 8-channel, 16-bit audio recorder with ESP32 -- possible?

This page summarizes the projects mentioned and recommended in the original post on /r/esp32

Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.
Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
getstream.io
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InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com
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  1. wvr

    Home of WVR, an open source, Arduino compatible, ESP32-based Sample Player and Audio Framework.

    I use klm8g1getf. It’s 8GB and about $5 from LCSC, easyEDA has the footprint and symbol. I run mine at 52mhz, 4-line mode. I’m able to playback 20 stereo wavs at once @44.1k 16bit. Writing is a lot slower but 8 should be possible. I wrote my own flat file system to prioritize speed, all the standard file systems will slow you down a lot, as far as I could find, sequential reads and writes are much faster, and most file systems don’t do that. https://github.com/marchingband/wvr/blob/main/src/emmc.c

  2. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

    Stream logo
  3. gfx

    GFX is a device independent graphics library primarily intended for IoT MCUs but not limited to that. (by codewitch-honey-crisis)

    I do something similar to VSPI in my Arduino based drivers for my htcw_gfx library.

  4. esp-adf

    Espressif Advanced Development Framework

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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