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Recent Posts
11
FLAC / Re: FLAC encoder for arm cortex m4f with limited memory
Last post by ktf -
There are a lot of FLAC decoders available, but only a few encoders.

How have you tried to get the reference encoder working? It is possible to strip quite a lot of parts, maybe that way it'll fit? Stripping the floating point parts is going to save a lot of memory for example.
13
3rd Party Plugins - (fb2k) / Re: 64-bit recompiles
Last post by elcosomalo -
I just wanted to say thank you for this effort and time. Thanks to you, I am now able to upgrade to X64 foobar.
 ;)

My most sincere thanks for this altruistic gift you shared with all of us.
14
FLAC / FLAC encoder for arm cortex m4f with limited memory
Last post by radams2000 -
Hi

I have an application that would benefit from FLAC encoding (realtime microphone-to-sd-card recording).  However the microcontroller is a 100 MHz arm cortex m4f, and the memory size is not quite enough for FLAC encoding according to the official spec.  Is there a slightly lower-performance FLAC encoder with a smaller memory footprint ?

Bob
19
Polls / Re: Sound colors of codecs
Last post by Sunhillow -
Thank you!
I think, if I would like some sound colour, I would use an equalizer. What i don't plan to do so far.
For a long time ( I am over 65 now) my amplifier did not even have any tone control and I was totlly happy with it and some DIY KEF speakers.
IMHO stored music has to be as close as possible to the original.
20
FLAC / Re: FLAC v1.4.x Performance Tests
Last post by Replica9000 -
This is a spectrogram of the 24/48KHz wave from my previous post.

X




This wave file for this run is 24-bit/96KHz  1h52m  3.63GiB

flac git-04532802 (2024-05-02)
Code: [Select]
     1 thread     8 threads
-5   0m26.6009s   0m7.253s
-5p  1m44.983s    0m20.706s
-8   2m10.424s    0m25.829s
-8p  17m37.321s   3m30.797s

flac git-cfe3afca (2024-05-16)
Code: [Select]
     1 thread     8 threads
-5   0m20.809s    0m6.847s
-5p  0m35.891s    0m8.379s
-8   1m46.554s    0m21.323s
-8p  11m30.919s   2m20.278s

X