background amplitude

- access control
- ActiveX control - airport radar control
- air-traffic control
- amplitude balance control
- ANSI screen control
- antenna position control
- anticipatory control
- anticlutter gain control
- approach control
- armature voltage control
- artistic effect control
- astatic control
- attitude control
- audible control
- audio-fidelity control
- audio volume control
- automatic control
- automatic background control
- automatic bandwidth control
- automatic bias control
- automatic brightness control
- automatic chroma control
- automatic chrominance control
- automatic color control
- automatic contrast control
- automatic fine-tuning control
- automatic flight control
- automatic frequency control - automatic light control
- automatic load control
- automatic modulation control - automatic phase control
- automatic picture control
- automatic range control
- automatic recording level control
- automatic remote control
- automatic selectivity control
- automatic sensitivity control
- automatic tint control
- automatic voltage control
- automatic volume -control
- automatic volume expansion control - balance control
- bandspread tuning control
- bang-bang control
- bass control
- beam-rider control
- bilateral control
- black level control
- blue-gain control
- breath control
- brightness control
- brilliance control
- bumped phase control
- camera control
- carrier-current control
- Cartesian control
- cascade control
- centering control
- charge control
- chroma control
- chromaticity control
- chrominance-gain control
- closed-loop control
- coarse control
- color-saturation control
- command control
- compensated volume control
- computer control - computerized numerical control
- concurrency control
- concurrency control and recovery
- continuity control
- continuous control
- continuous feedback control
- contouring control
- contrast control
- convergence control
- convergence phase control
- counter control
- crystal control
- cue control
- cursor control
- cybernetic control
- data acquisition control
- data-link control
- data recording control
- dc motor control
- delayed automatic volume control
- depth control
- derivative control
- differential gain control
- digital control
- digital remote control
- direct digital control
- directional control
- direct manual control - distribution control
- domain-wall state control
- dramatic effect control
- drive control
- dual control
- dynamic astigmatism control
- dynamic contrast control
- echo duration control
- echo return control
- echo tone control
- electrical control
- electronic control
- electronic motor control
- embedded control
- end-point control
- end-to-end control
- environmental control
- error control
- external control
- fail-safe control - feedback tone control
- feedforward control
- field-effect conductivity control
- field linearity control
- fine-tuning control
- finite control - focus control
- focusing control
- follow-up control
- foot control
- forms control - framing control
- frequency control - front-panel control
- full-wave control
- fuzzy control
- gain control
- gain-sensitivity control
- gain-time control
- ganged volume control - global control
- green-gain control
- grid control
- ground control
- guidance control
- half-wave control
- hardware error control
- height control
- hierarchical control
- hierarchically intelligent control - high-level data-link control
- hold control
- holding control
- homing control
- horizontal-amplitude control
- horizontal centering control
- horizontal convergence control
- horizontal drive control
- horizontal hold control
- horizontal-linearity control
- horizontal parabola control
- hue control
- illumination control
- independent control
- inertial control
- infinitely fast control
- infinity control
- in-process control - intelligent control
- intensity control
- interface-shape control
- interference control
- intermediate control
- intermittent control
- internal control
- interrupt control
- inventory control - keyboard reset control
- learning control
- linear control
- linearity control
- local control
- logical control - loop control
- loudness control
- lower-level intelligent control
- manual control - master brightness control
- master gain control
- material gap control
- mechanical fader control
- medium access control - microprocessor control
- microprogrammed control
- middle control
- MIDI control
- mission control
- mobile communications control
- mode control
- motor control
- motor-concatenation control
- motor-field control
- motor-voltage control
- multicoordinate control
- multivariable control
- musical instrument digital interface control
- narrow control
- neighboring optimal control
- neuromuscular control
- noise gain control
- nuclear level control
- numerical control
- off-line control
- on-line control
- on-off control
- open-loop control
- optimal control
- organizational control
- overtemperature control
- parametric control
- parity control
- partitioned adaptive control
- passively adaptive control
- pattern control
- peaking control
- peripheral control
- phase control
- phase-shift control
- photoelectric control
- photoelectric loop control
- photoelectric register control
- pin control
- plugged control
- point-to-point control
- portamento control
- positioning control
- power up/down control
- precision control
- presence control
- priority control
- process control
- program control
- programmable gain control
- project control
- proportional control
- proportional plus derivative control
- proportional plus integral plus derivative control
- PTP control
- purity control
- push-button control
- quality control - radar traffic control - random decision-directed adaptive control
- range control
- rate control
- ratio control
- ray-control
- real-time control
- recording control
- red-gain control
- reflexive control
- regeneration control
- regional playback control
- reject control
- relay control
- relay directional control
- reliability control
- remote control
- retarded control
- rewind control
- RFI control
- ringing control
- robot control
- roll-and-pitch control
- rounding control
- saturation control
- screen control
- security controls
- selectivity control
- self-acting control
- self-organizing control
- semiremote control
- sensitivity control
- sensitivity-time control
- sequence control - servo-loop control
- set-point control
- sidetone control
- single-dial control
- size control
- slide control
- software error control
- sound control
- sound volume control
- speech control
- speed control
- spin control
- squelch control
- static control - surge control
- swept gain control - tapped control
- temperature control
- temporal gain control
- time polarity control
- time-schedule control
- time-varied gain control
- titration control
- tone control
- tone-compensated audio volume control - touch-sensitive control
- traffic control
- treble control
- trigger control
- tuning control
- undertemperature control
- unilateral control
- usage parameter control
- variable speech control
- vertical-amplitude control
- vertical-centering control
- vertical convergence control
- vertical-hold control
- vertical-linearity control
- video gain control - volume control
- white-level control
- wide control
- width control
- μP control

- acceptance control
- access control
- ActiveX control
- adaptive control
- aids-to-navigation radio control
- airport ground traffic control
- airport radar control
- air-traffic control
- amplitude balance control
- ANSI screen control
- antenna position control
- anticipatory control
- anticlutter gain control
- approach control
- armature voltage control
- artistic effect control
- astatic control
- attitude control
- audible control
- audio volume control
- audio-fidelity control
- automatic background control
- automatic bandwidth control
- automatic bias control
- automatic brightness control
- automatic chroma control
- automatic chrominance control
- automatic color control
- automatic contrast control
- automatic control
- automatic fine-tuning control
- automatic flight control
- automatic frequency control
- automatic gain control
- automatic knee control
- automatic level control
- automatic light control
- automatic load control
- automatic modulation control
- automatic overload control
- automatic peak search control
- automatic pedestal control
- automatic phase control
- automatic picture control
- automatic range control
- automatic recording level control
- automatic remote control
- automatic selectivity control
- automatic sensitivity control
- automatic tint control
- automatic voltage control
- automatic volume expansion control
- automatic volume level control
- automatic volume-control
- background control
- balance control
- bandspread tuning control
- bang-bang control
- bass control
- beam-rider control
- bilateral control
- black level control
- blue-gain control
- breath control
- brightness control
- brilliance control
- bumped phase control
- camera control
- carrier-current control
- Cartesian control
- cascade control
- centering control
- charge control
- chroma control
- chromaticity control
- chrominance-gain control
- closed-loop control
- coarse control
- color-saturation control
- command control
- compensated volume control
- computer control
- computer numerical control
- computer-aided quality control
- computerized numerical control
- concurrency control and recovery
- concurrency control
- continuity control
- continuous control
- continuous feedback control
- contouring control
- contrast control
- convergence control
- convergence phase control
- counter control
- crystal control
- cue control
- cursor control
- cybernetic control
- data acquisition control
- data recording control
- data-link control
- dc motor control
- delayed automatic volume control
- depth control
- derivative control
- differential gain control
- digital control
- digital remote control
- direct digital control
- direct manual control
- direct numerical control
- directional control
- distributed control
- distribution control
- domain-wall state control
- dramatic effect control
- drive control
- dual control
- dynamic astigmatism control
- dynamic contrast control
- echo duration control
- echo return control
- echo tone control
- electrical control
- electronic control
- electronic motor control
- embedded control
- end-point control
- end-to-end control
- environmental control
- error control
- external control
- fail-safe control
- fast automatic gain control
- feedback control
- feedback tone control
- feedforward control
- field linearity control
- field-effect conductivity control
- fine-tuning control
- finite control
- flight control
- flow control
- focus control
- focusing control
- follow-up control
- foot control
- forms control
- forward error control
- frame control
- framing control
- frequency control
- frequency monitoring and interference control
- frequency-response control
- front-panel control
- full-wave control
- fuzzy control
- gain control
- gain-sensitivity control
- gain-time control
- ganged volume control
- gate mobile communications control
- generator field control
- global control
- green-gain control
- grid control
- ground control
- guidance control
- half-wave control
- hardware error control
- height control
- hierarchical control
- hierarchically intelligent control
- higher-level intelligent control
- high-level data link control
- high-level data-link control
- hold control
- holding control
- homing control
- horizontal centering control
- horizontal convergence control
- horizontal drive control
- horizontal hold control
- horizontal parabola control
- horizontal-amplitude control
- horizontal-linearity control
- hue control
- illumination control
- independent control
- inertial control
- infinitely fast control
- infinity control
- in-process control
- instantaneous automatic gain control
- integral control
- intelligent control
- intensity control
- interface-shape control
- interference control
- intermediate control
- intermittent control
- internal control
- interrupt control
- inventory control
- ISDN data link control
- ISDN media access control
- keyboard control
- keyboard reset control
- learning control
- linear control
- linearity control
- local control
- logical control
- logical link control
- long-range control
- loop control
- loudness control
- lower-level intelligent control
- manual control
- manual gain control
- mass storage volume control
- master brightness control
- master control
- master gain control
- material gap control
- mechanical fader control
- medium access control
- message data link control
- microcomputer control
- microprocessor control
- microprogrammed control
- middle control
- MIDI control
- mission control
- mobile communications control
- mode control
- motor control
- motor-concatenation control
- motor-field control
- motor-voltage control
- multicoordinate control
- multivariable control
- musical instrument digital interface control
- narrow control
- neighboring optimal control
- neuromuscular control
- noise gain control
- nuclear level control
- numerical control
- off-line control
- on-line control
- on-off control
- open-loop control
- optimal control
- organizational control
- overtemperature control
- parametric control
- parity control
- partitioned adaptive control
- passively adaptive control
- pattern control
- peaking control
- peripheral control
- phase control
- phase-shift control
- photoelectric control
- photoelectric loop control
- photoelectric register control
- pin control
- plugged control
- point-to-point control
- portamento control
- positioning control
- power up/down control
- precision control
- presence control
- priority control
- process control
- program control
- programmable gain control
- project control
- proportional control
- proportional plus derivative control
- proportional plus integral plus derivative control
- PTP control
- purity control
- push-button control
- quality control
- quiet automatic volume control
- radar control
- radar traffic control
- radio control
- radio-frequency interference control
- random decision-directed adaptive control
- range control
- rate control
- ratio control
- ray-control
- real-time control
- recording control
- red-gain control
- reflexive control
- regeneration control
- regional playback control
- reject control
- relay control
- relay directional control
- reliability control
- remote control
- retarded control
- rewind control
- RFI control
- ringing control
- robot control
- roll-and-pitch control
- rounding control
- saturation control
- screen control
- security controls
- selectivity control
- self-acting control
- self-organizing control
- semiremote control
- sensitivity control
- sensitivity-time control
- sequence control
- sequential control
- servo control
- servo-loop control
- set-point control
- sidetone control
- single-dial control
- size control
- slide control
- software error control
- sound control
- sound volume control
- speech control
- speed control
- spin control
- squelch control
- static control
- statistical process control
- statistical quality control
- stored-program control
- supervisory control
- surge control
- swept gain control
- synchronous data link control
- system-wide control
- tapped control
- temperature control
- temporal gain control
- time polarity control
- time-schedule control
- time-varied gain control
- titration control
- tone control
- tone-compensated audio volume control
- total distributed control
- total quality control
- touch-sensitive control
- traffic control
- treble control
- trigger control
- tuning control
- undertemperature control
- unilateral control
- usage parameter control
- variable speech control
- vertical convergence control
- vertical-amplitude control
- vertical-centering control
- vertical-hold control
- vertical-linearity control
- video gain control
- visit mobile communications control
- voice control
- volume control
- white-level control
- wide control
- width control

- access-barred signal
- accompanying-sound signal
- acoustic signal
- active line duration signal
- actuating signal
- address-complete signal
- address-incomplete signal
- alarm indication signal
- alarm signal
- alternating mark-inversion signal
- amplitude-modulated signal
- analog electric signal
- analog signal
- ancillary signal
- anisochronous signals
- answer signal
- aperiodic signal
- arrival signal
- audible signal
- authentication signal
- B signal
- background signal
- backward signal
- band-limited signal
- bell signal
- bidirectional signal
- binary signal
- bipolar signal
- black signal
- black-burst signal
- blanketing signal
- blocking acknowledgement signal
- blocking signal
- blue signal
- broadband coding signal
- busy signal
- buzzer signal
- B-Y signal
- call signal
- call-accepted signal
- call-acknowledgement signal
- callback ring signal
- call-confirmation signal
- call-control signal
- called number signals
- called-terminal answered signal
- called-terminal engaged signal
- call-failure signal
- calling indicator signal
- calling signal
- call-not-accepted signal
- call-progress signal
- call-request signal
- call-sending check signal
- camera signal
- carrier chrominance signal
- carrier color signal
- carrier sense signal
- carrier signal
- case-shift signal
- caution signal
- cellular signal
- channel-identification signal
- chirp signal
- chroma signal
- chrominance signal
- chrominance video signal
- circuit group congestion signal
- clear-back signal
- clear-confirmation signal
- clear-forward signal
- clearing signal
- clock signal
- code signal
- color bar signal
- color identification signals
- color signal
- color-difference signal
- color-picture signal
- color-separated signal
- color-sync signal
- common emergency signal
- common-mode signal
- compelled signal
- complete-address signal
- complex TV-signal
- component-coded digital video signal
- composite color sync signal
- composite video signal signal
- compressed-video signal
- conference communication signal
- confirmation-to-receive signal
- confusion signal
- connection-in-progress signal
- continuous time signal
- control track signal
- convergence signal
- cosine signal
- counterphase signal
- crosstalk signal
- cue signal
- danger signal
- data signal
- data-transfer request signal
- dc signal
- DCE clear signal
- DCE waiting signal
- desk-spot signal
- detected signal
- detection signal
- differential signal
- digital component video signal
- digital signal
- directivity signal
- disable signal
- discernible signal
- disconnect signal
- discrete-time signal
- dither signal
- doubleside signal
- driving signal
- DTE-clear signal
- duress signal
- electric signal
- electrooptic signal
- emergency signal
- enable signal
- enciphered signal
- encoded signal
- end-of-copy signal
- end-of-impulsing signal
- end-of-pulsing signal
- end-of-selection signal
- engaged signal
- error signal
- excitation signal
- exponential signal
- facsimile signal
- false signal
- fate signal
- fault signal
- feedback signal
- field sawtooth signal
- field synchronization signal
- figures-shift signal
- finite signal
- first-buzzer signal
- floating signal
- foreground signal
- forward recall signal
- four-aspect signal
- frame sync signal
- frame-alignment signal
- framing signal
- free-line signal
- full-frame test signal
- functional signal
- gate signal
- Gaussian signal
- green signal
- group signal
- G-Y signal
- hang-up signal
- HF signal
- homochronous signal
- horizontal sync signal
- hydroacoustic signals
- idle indication signal
- in-band signal
- information signal
- inhibiting signal
- injection signal
- in-phase signal
- input signal
- interfering signal
- intermediate-frequency signal
- international-code signal
- interoffice signals
- interrupt signal
- inversion signal
- isochronous signals
- jam signal
- left signal
- left-backward signal
- left-forward signal
- line sawtooth signal
- line synchronization signal
- linear signal
- line-drop signal
- line-out-of-service signal
- load-off signal
- local signal
- locking signal
- loop-down signal
- loop-error signal
- loop-up signal
- low-frequency signal
- luminance staircase signal
- M signal
- marking signal
- MAYDAY signal
- mesochronous signal
- microwave signal
- minimum descernible signal
- minimum detectable signal
- modulated signal
- modulating signal
- monitor signal
- monitoring signal
- monochromatic signal
- monophonic signal
- multichannel telephony signal
- multipage signal
- multiplexed signal
- multitone test signal
- music melody signal
- narrowband return signal
- n-level output signal
- noise-free signal
- noise-shaped signal
- noncompelled signal
- noncomposite color picture signal
- note-off signal
- note-on signal
- n-position signal
- number received signal
- offering signal
- off-hook signal
- on-hook signal
- optical signal
- optimal amplitude signal
- orthogonal signal
- out-of-band signal
- output signal
- PAN-signal
- periodic signal
- permanent signal
- phantom signal
- phasing signal
- pickup signal
- picture signal
- picture-phone signal
- picture-shading signal
- pilot signal
- playback signal
- plesiochronous signal
- polar signal
- polling signal
- power signal
- pre-video signal
- primary signal
- probing signal
- proceed-to-select signal
- proceed-to-transmit signal
- program signal
- protection signal
- pseudonoise signal
- pulse control signal
- pulse signal
- pulsed signal
- Q-signal
- quadrature-phase subcarrier signal
- quantized signal
- quasi-harmonic signal
- radio-frequency signal
- radioimpulse signal
- radio-time signals
- reading signal
- ready-for-data signal
- ready-to-receive signal
- recall signal
- receiving acknowledgement signal
- rectangular signal
- RED signal
- red signal
- RED/BLACK signal
- redundant signal
- reference signal
- regenerated signal
- regular signal
- reorder signal
- request signal
- request-for-repetition signal
- re-reflected signal
- rering signal
- reset signal
- residual signal
- retransmitted signal
- return signal
- returned signal
- rewrite signal
- rewriting signal
- right signal
- right-backward signal
- right-forward signal
- ringing signal
- ring-off signal
- round-the-world signal
- runout signal
- safety signal
- sampled signal
- saturation signal
- saw-toothed signal
- second buzzer signal
- secondary signal
- security signal
- seizing signal
- sending acknowledgement signal
- sensed signal
- service signal
- shading compensation signal
- shading signal
- silhouette signal
- simplest sync signal
- sin signal
- single-ended signal
- single-sideband signal
- smear signal
- SOS-signal
- sound signal
- space signal
- speech signal
- spurious signal
- start dialing signal
- start signal
- start-record signal
- start-stop signal
- station answer signal
- stereophonic signal
- stop signal
- stop-record signal
- stuffed signal
- supersync signal
- supervisory signal
- suppressed sideband signal
- switch signal
- switchover signal
- synchronous signal
- synphase signal
- system busy signal
- teledata signal
- telegraph-control signal
- telephone-control signal
- ternary signal
- testing signal
- test-line signal
- test-pattern signal
- threshold signal
- ticker signal
- time signals
- timing reference signal
- total television signal
- transmission confirming signal
- triangular signal
- triggering signal
- tristimulus signal
- TV-control signal
- TV-transmission signal
- undesired signal
- unstuffed signal
- unvoiced signal
- urgent signal
- vertical synchronization signal
- vestigial sideband signal
- videoimpulse signal
- visual message signal
- voice analog signal
- voice answer signal
- wanted signal
- warning signal
- weighted signal
- white signal
- write signal
- writing signal
- Y-signal