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MP3 Decoder Options

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OwO:
It's 12 bit but running at 1MSPS. With just a little bit of delta sigma modulation you can get >16 effective bits.

If you just need to play mp3 files from an SD card maybe look into the dfplayer module, which is about $1.5.

I would say using a "proper" audio DAC here is overkill and the total cost of the solution shouldn't exceed $2.

ucanel:
I think you do not want cheap Chinese solutions but
at least as a note i wanted to write about it:
There is YX5200 and variations of it like
built in small memory and or amplifier etc.
It goes under these names at aliexpress
Gpd2846 - U Disk Mini Player - DfPlayer - arduino mp3 module.

ali_asadzadeh:
STM32F401RCT6 + CS4344 total cost under 2$

Miyuki:

--- Quote from: ali_asadzadeh on January 29, 2019, 06:08:42 am ---STM32F401RCT6 + CS4344 total cost under 2$

--- End quote ---
I agree
This provide good sound quality and flexible fast CPU can decode any format (wonder if this can have enough power to decode even small video) for good price

Kasper:
Thanks everyone for the replies. I appreciate all the different options you are sharing.

I started out with the dfplayer. Great option for something simple but I want better quality.

If use 12 bits and some fancy firmware and say it has 16 effective bits, will I get called out by audiophiles for over-selling a 12 bit DAC or will most people understand what you are saying about 1 MSPS?

This will be one of my first products done on my own, I don't expect high or even moderate volume sales, though I would like to be prepared for that.  My main goal is to build a good reputation with solid products delivered on time. And to not spend years worth of weekends developing products that never get released.

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