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Sound Lab 1.2.2 adds MP3 Layer III decoding on the Teak DSP.
- Stream MP3 through the existing audio API.
- Compare DSP and ARM11 decoding in Sound Lab.
- Live decoder and DSP-load monitor, plus reduced Delay overhead.
Install the CIA or use the 3DSX/SMDH with the Homebrew Launcher. Put WAV/AAC/MP3 files in sdmc:/3ds/opendsp-lab/. AAC and MP3 use the DSP by default; press X in the player to switch to ARM11.
MP3 supports MPEG-1 Layer III, mono/stereo, 32/44.1/48 kHz and 32-320 kbit/s.
See MP3 formats and API and the streaming guide.