Simple categories matching acoustic:

• instrumentation,
• sensor,
• condition,
• noise,
• instrument,
• occurrence,
• material,
• quantity,
• data,
• signal,
• property,
• sensation,
• activity,
• sound,
• environment,
• enclosure,
• indicator,
• disturbance,
• information,
• music,
• genre,
• horn,
• filter,
• context,
• transducer,
• medium,
• result,
• measure,
• foam,
• event,
• system,
• space,
• unit,
• resonator,
• style,
• energy,
• reflector,
• alarm,
• track,
• characteristic,
• dimension,
• means,
• artifact,
• combination,
• interference,
• source,
• converter,
• practice,
• phenomenon,
• component,
• form,
• detector,
• constant,
• analysis,
• domain,
• output,
• bag,
• wonder,
• keyboard,
• function,
• group,
• radiator,
• quality,
• attribute,
• item,
• structure,
• equipment,

Members with property acoustic:

• violin,
• sonar,
• stress,
• pure_tone,
• piano,
• speech,
• guitar,
• human_speech,
• directivity,
• talker_pitch,
• mating_call,
• flute,
• power_ra,
• intelligibility,
• cello,
• ron_caravan,
• underwater_telephone,
• mandolin,
• telephone,
• whistling,
• vibes,
• duct_resonance,
• classical_music,
• syllable,
• clarinet,
• drum,
• reverberation,
• navigation_system,
• humming,
• small_bell,
• video,
• recorder,
• reflection,
• banjo,
• tampering,
• fo_jitter,
• spatial_decay,
• recording_room,
• sensitive_microphone,
• auditorium,
• end,
• plastic,
• bird_song,
• wall_reflection,
• ringing,
• musical_signal,
• flight_call,
• intermittent_tapping,
• engine_sound,
• tube,
• troll_cittern,
• music,
• machinery_noise,
• chime,
• acoustic_velocity,
• pop,
• aluminum,
• delta_blues,
• warning_alarm,
• hand_clap,
• tempo,
• lute,
• distance,
• counting,
• musical-instrument_sound,
• speaker_enclosure,
• sonar_dome,
• tone,
• traffic_noise,
• field_recording,
• frequency_component,
• concertina,
• foam,
• high_sensitivity,
• speaker_part,
• multiple_reflection,
• fluency,
• propagation_constant,
• distortion_characteristic,
• compressed_air,
• gunshot,
• banging,
• orchestra,
• sound,
• blockage,
• heavy_drapery,
• tweeter,
• sax,
• steel,
• kentucky_mandolin,
• vinyl_foam,
• piano_jazz,
• viola,
• cable_tv,
• headphone,
• loudness,
• station,
• opera,
• balcony_enclosure,
• chamber_group,
• telephone_ringing,
• late_reverberation,
• handbell,
• contact_call,
• solid,
• street,
• clavichord,
• control,
• jitter,
• bell,
• spectral_density,
• internal_loss,
• theater,
• prosody,
• fish_finder,
• acoustic_speed,
• oriental_instrument,
• repetition_rate,
• commercial_music,
• phone,
• seismic_data,
• theft,
• church,
• helmholtz_resonator,
• crackle,
• words,
• aforementioned_piano,
• hysteresis,
• void,
• tone_pip,
• background,
• folk,
• advertisement_call,
• communication_call,
• reverberation_time,
• wave_reflection,
• ultrasound_sensor,
• brief_sound,
• speaker,
• radar,
• bassoon,
• aircraft_noise,
• rollicking_fiddle,
• animal_footstep,
• speech_rate,
• line,
• loud_call,
• loudspeaker,
• duct,
• clapping,
• repetition,
• current,
• ensemble,
• accelerometer,
• phonetic_feature,
• complexity,
• radiation_efficiency,
• voice_sound,
• ganglion,
• vibrator_source,
• piezoelectric_devices,
• acoustic_duo,
• travel_guitar,
• hollow,
• balalaika,
• roulette,
• particle_velocity,
• rustling,
• articulation,
• tune,
• hesitation,
• acoustic_echo,
• dixieland_band,
• absorption,
• transient_change,
• water_depth,
• spectral_shaping,
• elastic_stiffness,
• diatonic_accordion,
• pipe,
• clarity,
• auditory_signal,
• irish_pennywhistle,
• resonance_body,
• specific_theme,
• longitudinal_wave,
• music_signal,
• tonal_disturbance,
• hand,
• transponder,
• noise,
• reed_brass,
• timbre,
• shimmer,
• feature,
• software_synthesiser,
• ground_reflection,
• opener,
• windows,
• density,
• perturbation,
• organ,
• voiced_speech,
• speech_signal,
• vocal_sound,
• clatter,
• iron,
• temporal_variation,
• practice_room,
• alarm,
• harmonica,
• energy,
• violin_string,
• explosion,
• acoustical_center,
• fellow,
• sound_quality,
• fiddle,
• decay_time,
• volumetric_absorption,
• cadence,
• airport,
• sam_trio,
• white_noise,
• tongue_click,
• cricket_display,
• key,
• oboe,
• sound_distribution,
• spectrum,
• pace,
• wind,
• radio,
• silence_information,
• harmonics,
• lamp,
• sound-pressure_component,
• toy,
• call,
• cellular_phone,
• workplace,
• gun_shot,
• acoustic_transducer,
• shop,
• horn_instrument,
• trumpet,
• humidity,
• voiced_sound,
• torpedo-tube_flooding,
• repetition_period,
• organs,
• laughter,
• choir,
• sniper_shot,
• koto,
• damage,
• screen,
• acoustic_pressure,
• phoneme,
• temporal_parameter,
• water,
• wave_attenuation,
• waveguide,
• rhythm,
• ney_flute,
• vehicular_noise,
• mineral,
• speaker_variation,
• cymbal,
• trio,
• siren,
• useful_information,
• drive,
• intercom,
• accordion,
• leak,
• dry_source,
• receiver,
• mandola,
• fabric,
• horn_mouthpiece,
• voice_source,
• shot,
• shape,
• medium_room,
• stereo,
• various_guitar,
• noise_spectrum,
• spectrum_analysis,
• home_theater,
• cylinder,
• akan_trio,
• ultrasound_energy,
• pressure,
• female_song,
• room_resonance,
• velocity,
• polyester,
• harp,
• violin_fiddle,
• rise_time,
• ms,
• ship_structure,
• horn,
• simple_heating,
• sound_studio,
• bass,
• cocktail-party_condition,
• reverberance,
• sewer,
• environmental_noise,
• room,
• boundary,
• glass,
• release_burst,
• intensity,
• attenuation_characteristic,
• clarity_index,
• heating,
• range,
• rod_bell,
• vibration,
• ukulele,
• voice,
• chair_squeak,
• intonation,
• theatre,
• trumpet_violin,
• grunt,
• octave_mandola,
• piezoelectric_earphone,
• foot_steps,
• noise_data,
• sound_power,
• note_attack,
• additive_noise,
• cow_horn,
• stiffness,
• bluegrass,
• communications_system,
• radio-frequency_antenna,
• earphone,
• warning_tone,
• resonance,
• string_banjo,
• crimson_tower,
• acoustic_piano,
• change,
• organ_keyboard,
• spectral_content,
• key_tone,
• timber,
• car_crash,
• sound_level,
• celtic_harp,
• matrix_cracking,
• uptown,
• road_noise,
• pitch_range,
• alto_sax,
• frequency_characteristic,
• folk_harp,
• bamboo_flute,
• muffler,
• acoustic_absorptivity,
• strange_story,
• marimba,
• time_history,
• time_component,
• harpsichord,
• environmental_information,
• equipment_noise,
• hand_drum,
• duration,
• xylophone,
• upright_bass,
• flaw,
• small_accordion,
• knocking,
• compressibility,
• slide,
• rallying_rate,
• amplifier,
• speed,
• frequency,
• glockenspiel,
• loud_speaker,
• reed,
• frequency_range,
• brilliance,
• tuba,
• sound-wave_reflection,
• vocalic_onset,
• burst,
• percussion_toy,
• surface_wave,
• instrument,
• unvoiced_sound,
• microphone,
• contrabass,
• sitar,
• hand-clapping_sound,
• periodicity,
• alarm_call,
• sinusoidal_tone,
• engine_cover,
• dulcimer,
• trombone,
• jazz,
• threshold,
• band_concert,
• soundproof_characteristic,
• classical_guitar,
• head,
• buzzer,
• stiffness_constant,
• studio,
• roosting_call,
• acoustic_reflection,
• washboard,
• source,
• equivalent,
• cello_banjo,
• point,
• musical_sound,
• foghorn,
• blues,
• zither,
• timing,
• word,
• pennywhistle,
• bugle,
• sonar_signal,
• acoustic_particle,
• street_noise,
• muzzle_blast,
• rock,
• attenuation,
• tambourine,
• ultrasonic_energy,
• echolocation_sound,
• sound_sensitivity,
• slide_guitar,
• button_accordion,
• heart_sound,
• voice_pitch,
• speech_data,
• keyboard_click,
• bang,
• quartz-crystal_microbalance,
• saxophone,
• earthquake_shock,
• mineral_fibre,
• rate,
• drone,
• lyre,
• regularity,
• jingling_key,
• surface,
• ordnance_burst,
• projector,
• enclosure,
• reef_bombing,
• audio_device,
• ship_shock,
• mechanical_impact,
• sound-pressure_level,
• room_size,
• room_temperature,
• harmonium,
• sound_transmitter,
• solo_oboe,
• blast,
• car_noise,
• brass,
• insect_sound,
• mobile_telephone,
• small_room,
• room_sound,
• tickling_sensation,
• sound_speed,
• mountain_dulcimer,
• boot,
• filtering_function,
• acoustic_foam,
• environmental_vibration,
• steel-drum_band,
• acoustic_intensity,
• tone_color,
• volume,
• violin_drum,
• drape,
• early_reflection,
• tenor_banjo,
• lap_steel,
• membrane_microphone,
• pitch,
• keyboard,
• onset,
• air,
• second,
• transfer_function,
• transmission_loss,
• lcd_projector,
• fife,
• articulatory_control,
• vocal_jitter,
• solo,
• presence,
• panel_absorption,
• vibraphone,
• woodwind,
• wind_noise,
• defect_crack,
• squeal,
• audio_signal,
• amplitude,
• prepared_zither,
• flamenco,
• acoustic_waveguide,
• soprano_sax,
• home,
• vowel_space,
• transition,
• ambient_noise,
• rale,
• contour,
• warning_siren,