Audio player

[richard]

esp8266 , audio in littlefs partition in flash would nail it, files can be modified with simple https browser i/f
on the devices own self generated access point

[Ioannis]

You mean ESP with in Arduino IDE, which needs good grasp of C, right?

I do not feel very confident on that IDE for a client project.
Thanks though,
Ioannis

[Jerson]

Depending on the samples and quality, you may find that you need quite a bit of storage (SD card with SDIO interface). The power of the PIC to handle raw samples may be severely short to get a reasonable output. I suggest you look at the VS1003B MP3 chips that you can throw the samples at. This way, you do not need too much processing on the PIC.

another option you can evaluate is available on http://elm-chan.org/works/sd8p/report.html

[mpgmike]

Microchip Security Devices.

[Ioannis]

Jerson: Thanks for the info. The AT tiny is unbelievable!

Mike: thanks for the link.

Ioannis

[peterdeco1]

We were doing this with an ISD5008. When that was discontinued we started moving into an ISD4003-08MPY. That was recently discontinued and are moving into an ISD17240. With a 4KHZ sampling frequency the 17240 will give you 8 minutes of record/playback.

[richard]

You mean ESP with in Arduino IDE, which needs good grasp of C, right?

i do , never tried it but it looks straight forward
https://github.com/earlephilhower/ESP8266Audio

cannot see how you can get in between df player and sd card to decrypt a file, you need to drive your own dac or pay for a proprietary
system that secures your audio data