package webrtc.audioproc

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Contains the configurations of various APM component. A Config message is added when any of the fields are changed.

Used in: Event

• optional bool aec_enabled = 1

  Next field number 17. Acoustic echo canceler.

• optional bool aec_delay_agnostic_enabled = 2

• optional bool aec_drift_compensation_enabled = 3

• optional bool aec_extended_filter_enabled = 4

• optional int32 aec_suppression_level = 5

• optional bool aecm_enabled = 6

  Mobile AEC.

• optional bool aecm_comfort_noise_enabled = 7

• optional int32 aecm_routing_mode = 8

• optional bool agc_enabled = 9

  Automatic gain controller.

• optional int32 agc_mode = 10

• optional bool agc_limiter_enabled = 11

• optional bool noise_robust_agc_enabled = 12

• optional bool hpf_enabled = 13

  High pass filter.

• optional bool ns_enabled = 14

  Noise suppression.

• optional int32 ns_level = 15

• optional bool transient_suppression_enabled = 16

  Transient suppression.

• required Event.Type type = 1

• optional Init init = 2

• optional ReverseStream reverse_stream = 3

• optional Stream stream = 4

• optional Config config = 5

Used in: Event

• INIT = 0

• REVERSE_STREAM = 1

• STREAM = 2

• CONFIG = 3

• UNKNOWN_EVENT = 4

Contains the format of input/output/reverse audio. An Init message is added when any of the fields are changed.

Used in: Event

• optional int32 sample_rate = 1

• optional int32 device_sample_rate = 2

• optional int32 num_input_channels = 3

• optional int32 num_output_channels = 4

• optional int32 num_reverse_channels = 5

• optional int32 reverse_sample_rate = 6

• optional int32 output_sample_rate = 7

• repeated Test test = 1

May contain interleaved or deinterleaved data, but don't store both formats.

Used in: Event

• optional bytes data = 1

  int16 interleaved data.

• repeated bytes channel = 2

  float deinterleaved data, where each repeated element points to a single channel buffer of data.

May contain interleaved or deinterleaved data, but don't store both formats.

Used in: Event

• optional bytes input_data = 1

  int16 interleaved data.

• optional bytes output_data = 2

• optional int32 delay = 3

• optional sint32 drift = 4

• optional int32 level = 5

• optional bool keypress = 6

• repeated bytes input_channel = 7

  float deinterleaved data, where each repeated element points to a single channel buffer of data.

• repeated bytes output_channel = 8

Used in: OutputData

• optional int32 num_reverse_channels = 1

• optional int32 num_input_channels = 2

• optional int32 num_output_channels = 3

• optional int32 sample_rate = 4

• repeated Test.Frame frame = 5

• optional int32 analog_level_average = 6

• optional int32 max_output_average = 7

• optional int32 has_echo_count = 8

• optional int32 has_voice_count = 9

• optional int32 is_saturated_count = 10

• optional Test.EchoMetrics echo_metrics = 11

• optional Test.DelayMetrics delay_metrics = 12

• optional int32 rms_level = 13

• optional float ns_speech_probability_average = 14

• optional bool use_aec_extended_filter = 15

Used in: Test

• optional int32 median = 1

• optional int32 std = 2

• optional float fraction_poor_delays = 3

Used in: Test

• optional Statistic residual_echo_return_loss = 1

• optional Statistic echo_return_loss = 2

• optional Statistic echo_return_loss_enhancement = 3

• optional Statistic a_nlp = 4

Used in: Test

(message has no fields)

Used in: EchoMetrics

• optional int32 instant = 1

• optional int32 average = 2

• optional int32 maximum = 3

• optional int32 minimum = 4