Changelog

All notable changes to this project are documented on this page.

nRF Connect SDK v2.2.0

Here are all the notable changes included in the nRF Connect SDK v2.2.0 release:

  • Added new documentation pages.

  • Replaced API documentation link with the API documentation page that includes content generated from sources.

nRF Connect SDK v2.1.0

Initial release in the sdk-nrxlib repository. This release includes the following changes to the codec.

LC3 v1.0.4

Build information:

  • Platform: ARM Cortex-M33, Cortex-M44

  • Compiler: ARM v6, -Ofast

  • Hard floating point, fixed point

Changes:

  • Replaced floating point stdlib dependencies in data path with T2 functions.

  • Optimized the LTPF decoder, fixed point.

LC3 v1.0.3

Changes:

  • MDCT optimizations.

  • LTPF optimizations.

  • Arithmetic encoding optimizations.

LC3 v1.0.2

Changes:

  • Platform-specific optimizations.

LC3 v1.0.1

Changes:

  • Fixed point optimizations.

LC3 v1.0.0

Changes:

  • ARC LTPF SIMD optimizations.

LC3 v0.9.14

Changes:

  • ARM optimizations.

LC3 v0.9.13

Changes:

  • Added compile option to separate encode/decode memory.

LC3 v0.9.12

Changes:

  • ARM optimizations.

LC3 v0.9.11

Changes:

  • ARM optimizations.

LC3 v0.9.10

Changes:

  • Incorporated all technical errata up to 15138.

LC3 v0.9.9

Changes:

  • Non-functional changes.

LC3 v0.9.8

Changes:

  • Fixed point memory optimizations.

  • Fixed point 7.5 ms frame size conformance improvements, meets stricter 0.06 ODG threshold in conformance tests.

  • Fixed scaling for > 16 bit PCM output in fixed point.

LC3 v0.9.7

Changes:

  • Fixed Glockenspiel 24 kHz / 48 kbps / 7.5 ms exceeding 0.06 ODG in floating point encode/decode test.

  • Performance optimizations.

LC3 v0.9.6

Changes:

  • Added 7.5 ms support for floating point.

LC3 v0.9.5

Changes:

  • Fixed point memory optimizations.

LC3 v0.9.4

Changes:

  • Added 24 and 32 bit PCM input and output to T2_LC3.

  • Optimizations in pitch lag detection.

  • Added API for amount of packet loss correction (PLC) applied.

  • Added API for providing static buffers.

  • Added error code offset to avoid value conflict with other modules.

  • Added API for the number of bytes read from encoder input.

LC3 v0.9.3

Changes:

  • Fixed an issue in T2_LC3 where decoding a single frame resulted in 1/4 frame of additional PCM output.

LC3 v0.9.2

Changes:

  • Added x64 Linux build T2_LC3.

  • Added support for multi-channel WAV files to T2_LC3 application.

  • Removed a DLL dependency from T2_LC3 Windows build.