We present reconstruction results for all the methods and settings listed in Table 3. Five test samples from each of the three domains — speech, music, and environmental sounds are presented below.
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Speech
Original Audio
sample_9.wav
sample_21.wav
sample_30.wav
sample_102.wav
sample_165.wav
Codec @ bitrate (kbps)
Proposed @ 1.78
Proposed @ 2.67
Proposed @ 5.33
Proposed @ 8
Encodec @ 1.5
Encodec @ 3
Encodec @ 6
Encodec @ 12
Encodec @ 24
Lyra @ 9.2
Opus @ 8
Opus @ 14
Opus @ 24
Reconstructed Audio
sample_9.wav
01_final_nq=3.wav
02_final_nq=6.wav
03_final_nq=9.wav
04_encodec1.5kbps.wav
05_encodec3kbps.wav
06_encodec6kbps.wav
07_encodec12kbps.wav
08_encodec24kbps.wav
09_lyra9kbps.wav
10_opus8kbps.wav
11_opus14kbps.wav
12_opus24kbps.wav
sample_21.wav
01_final_nq=3.wav
02_final_nq=6.wav
03_final_nq=9.wav
04_encodec1.5kbps.wav
05_encodec3kbps.wav
06_encodec6kbps.wav
07_encodec12kbps.wav
08_encodec24kbps.wav
09_lyra9kbps.wav
10_opus8kbps.wav
11_opus14kbps.wav
12_opus24kbps.wav
sample_30.wav
01_final_nq=3.wav
02_final_nq=6.wav
03_final_nq=9.wav
04_encodec1.5kbps.wav
05_encodec3kbps.wav
06_encodec6kbps.wav
07_encodec12kbps.wav
08_encodec24kbps.wav
09_lyra9kbps.wav
10_opus8kbps.wav
11_opus14kbps.wav
12_opus24kbps.wav
sample_102.wav
01_final_nq=3.wav
02_final_nq=6.wav
03_final_nq=9.wav
04_encodec1.5kbps.wav
05_encodec3kbps.wav
06_encodec6kbps.wav
07_encodec12kbps.wav
08_encodec24kbps.wav
09_lyra9kbps.wav
10_opus8kbps.wav
11_opus14kbps.wav
12_opus24kbps.wav
sample_165.wav
01_final_nq=3.wav
02_final_nq=6.wav
03_final_nq=9.wav
04_encodec1.5kbps.wav
05_encodec3kbps.wav
06_encodec6kbps.wav
07_encodec12kbps.wav
08_encodec24kbps.wav
09_lyra9kbps.wav
10_opus8kbps.wav
11_opus14kbps.wav
12_opus24kbps.wav
Music
Environmental Sounds