opus_ctlvalues - Man Page

#define OPUS_AUTO
Auto/default setting.
#define OPUS_BITRATE_MAX
Maximum bitrate.
#define OPUS_APPLICATION_VOIP
Best for most VoIP/videoconference applications where listening quality and intelligibility matter most.
#define OPUS_APPLICATION_AUDIO
Best for broadcast/high-fidelity application where the decoded audio should be as close as possible to the input.
#define OPUS_APPLICATION_RESTRICTED_LOWDELAY
Only use when lowest-achievable latency is what matters most.
#define OPUS_SIGNAL_VOICE   3001
Signal being encoded is voice.
#define OPUS_SIGNAL_MUSIC   3002
Signal being encoded is music.
#define OPUS_BANDWIDTH_NARROWBAND
4 kHz bandpass
#define OPUS_BANDWIDTH_MEDIUMBAND
6 kHz bandpass
#define OPUS_BANDWIDTH_WIDEBAND
8 kHz bandpass
#define OPUS_BANDWIDTH_SUPERWIDEBAND
12 kHz bandpass
#define OPUS_BANDWIDTH_FULLBAND
20 kHz bandpass
#define OPUS_FRAMESIZE_ARG   5000
Select frame size from the argument (default)
#define OPUS_FRAMESIZE_2_5_MS   5001
Use 2.5 ms frames.
#define OPUS_FRAMESIZE_5_MS   5002
Use 5 ms frames.
#define OPUS_FRAMESIZE_10_MS   5003
Use 10 ms frames.
#define OPUS_FRAMESIZE_20_MS   5004
Use 20 ms frames.
#define OPUS_FRAMESIZE_40_MS   5005
Use 40 ms frames.
#define OPUS_FRAMESIZE_60_MS   5006
Use 60 ms frames.
#define OPUS_FRAMESIZE_80_MS   5007
Use 80 ms frames.
#define OPUS_FRAMESIZE_100_MS   5008
Use 100 ms frames.
#define OPUS_FRAMESIZE_120_MS   5009
Use 120 ms frames.

Best for broadcast/high-fidelity application where the decoded audio should be as close as possible to the input.

Only use when lowest-achievable latency is what matters most. Voice-optimized modes cannot be used.

Best for most VoIP/videoconference applications where listening quality and intelligibility matter most.

Auto/default setting.

20 kHz bandpass

6 kHz bandpass

4 kHz bandpass

12 kHz bandpass

8 kHz bandpass

Maximum bitrate.

Use 100 ms frames.

Use 10 ms frames.

Use 120 ms frames.

Use 20 ms frames.

Use 2.5 ms frames.

Use 40 ms frames.

Use 5 ms frames.

Use 60 ms frames.

Use 80 ms frames.

Select frame size from the argument (default)

Signal being encoded is music.

Signal being encoded is voice.