google/lyra

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A Very Low-Bitrate Codec for Speech Compression

Stars: 4k
Forks: 368
Open beginner issues: 0
Indexed issues: 82

Dominant language: C++
License: Apache-2.0
Last GitHub push: Dec 20, 2022
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Open All

82 open issues indexed

support for embedded device? Open

enhancement

google/lyra#3 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Can you provide a normal Android project with Gradle Open

enhancement help wanted

google/lyra#8 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Is it possible for Lyra to run on stm32h743 ? Open

enhancement

google/lyra#9 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
quality issues Open

enhancement

google/lyra#13 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Using in Python/Tensorflow Open

enhancement help wanted

google/lyra#19 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Hearing artifacts in android example in Lyra Open

bug

google/lyra#21 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
could you please reduce the rate to 2400bps ? Open

enhancement

google/lyra#22 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
How is the speaker-independency ? Open

question

google/lyra#23 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
quality is inferior to that advertised in the Lyra Google AI blog Open

bug

google/lyra#25 · 8 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Is it possible to convert lyra into C? Open

enhancement help wanted

google/lyra#28 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Can I use my own data set to train lyra's model? Open

question

google/lyra#30 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Where is the ''Denoise'' function implemented? Please help me. Open

question

google/lyra#31 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Dose the training data used for Lyra model contain Chinese Language （Mandarin）? If it dose, what is the proportion? Open

question

google/lyra#32 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
decoder was much slower than encoder Open

enhancement

google/lyra#33 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Are there any instructions tesaching me to use lyra in my own app with Android Studio step by step? Open

documentation help wanted

google/lyra#35 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
The decoder time-comsuming is different. Open

question

google/lyra#38 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Encode and decoder application Open

question

google/lyra#43 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
packet_ loss_rate in decoder Open

question

google/lyra#44 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
MOS value is very low in WebRTC p2p call Open

enhancement

google/lyra#45 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Delay in decoder Open

question

google/lyra#47 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Make encoder/decoder WASM build available. Open

enhancement help wanted

google/lyra#49 · 23 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Building with CMake Open

enhancement

google/lyra#50 · 6 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Document library architecture Open

documentation good first issue help wanted

google/lyra#51 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Voice has a nasal sound in WebRTC p2p call Open

enhancement

google/lyra#53 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
decoding supisciously slow on Snapdragon octo-core Open

bug

google/lyra#63 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
building cc_library target for inclusing in android app Open

question

google/lyra#64 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Amr or Lyra? Open

help wanted question

google/lyra#66 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Lyra without android support Open

question

google/lyra#68 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
sample application using make utility. Open

question

google/lyra#69 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Android example - magic numbers Open

question

google/lyra#70 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Compile with Asterisk Open

help wanted question

google/lyra#71 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
how to compile build it for ARM32 (STM32 or nRF52840) Open

question

google/lyra#72 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
feasibility of providing as a couple of simple tensorflow models Open

enhancement

google/lyra#75 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
lyra_android_example.so Open

question

google/lyra#79 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
The same wav file decodes different files in different CPU architectures Open

bug

google/lyra#81 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
MacOS `bazel build -c opt :encoder_main` fails to build Open

bug duplicate

google/lyra#82 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Question about Lyra Python implementation Open

question

google/lyra#83 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
How much memory space does Lyra codec consume Open

question

google/lyra#87 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Restructure the mess out of the repo root Open

enhancement

google/lyra#90 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Correct tflite model usage/pipeline? Open

question

google/lyra#92 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Update to NDK r25b LTS Open

enhancement

google/lyra#93 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Upload Android, Linux and macOS binaries to the Lyra 1.2.0 GitHub Release page Open

enhancement

google/lyra#94 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Lyra v2 TF/JAX precursor model files? (trying to convert models to ONNX format) Open

question

google/lyra#99 · 10 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Lyra v2 encoder and decoder computational complexity in MAC/sec Open

question

google/lyra#101 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
In what configuration is the Soundstream in Lyra V2 trained? Open

question

google/lyra#102 · 9 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Feeding FB audio outputs WB Open

question

google/lyra#106 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Implementing a Python wrapper for Lyra Open

google/lyra#107 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
v1.3.2 is much slower than v1.3.1 if it's built into WebAssembly Open

google/lyra#112 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Can Lyra be parameterized? Open

google/lyra#113 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
MacOS 13.0.1 build: symbol not found in flat namespace '_CFRelease' Open

google/lyra#114 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

google/lyra

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