Need complete working prototype
No size layer limit for pcb
Needs to be completed in 6 months.
after pcb layout completed and shared with me , pcb will be manufactured by me and sent it to you for firmware development.
SRAM Buffer: IS61WV51216BLL-10TLI 3.3v
Storage interface: Sdcard slot 4bit SDIO
Output interface: independently-clocked I2S
audio clocks: NDK NZ2520SDA 49.152Mhz and 45.1584Mhz 3.3V
"wurth 693161011911" connector.
only i2s output
Support pcm 32bit 768Khz and DSD512 audio files.
fatfs(exfat enabled) or ext4 [login to view URL] file system
uncompressed WAV, AIFF, DFF(DSD), AIFC-sowt formats, as well as an basic audio playback application, all in a plugin-based architecture
for future expansion.
Middlewares: decoders (FLAC, ALAC, MP3, AAC, Vobris,) and format containers (MP4, etc,)
wifi direct module (act like wifi ap) to view id3 tag and image, list, play, stop or edit(copy, delete) files in sd card over pc or mobile. Not plan to stream and play over wifi only for access edit and play files in sd card.
Do not decidec wifi module waiting your proposal.
I do not expect professional ui for the desktop and mobile app. Only need commamd sets and basic ui to make demo and test it.