feedbackとは 意味・読み方・使い方

発音

• IPA: /ˈfiːdˌbæk/

名詞

feedback (usually uncountable, plural feedbacks)

1. Critical assessment of a process or activity or of their results.

   Synonyms: estimation, assessment, critique, evaluation

   After you hand in your essays, I will give both grades and feedback.

   • 2014 October 9, Marina Carver, “Study finds Boston police target African-Americans disproportionately”, in CNN‎:

     “Over the past month, the Department has held three separate meetings with the ACLU to receive feedback and engage the organization in the solutions,” the department said in a statement. “As a result of the meetings, the Department agrees that publishing FIO statistics going forward is necessary, and the Department is working toward personalizing interactions between officers and citizens.”

2. (electronics, cybernetics, control theory) The part of an output signal that is looped back into the input to control or modify a system.
   • 2007, Oliver Sacks, Musicophilia: Tales of Music and the Brain:

     The fact that similar cortical abnormalities can be experimentally induced in monkeys has allowed Michael Merzenich and his colleagues in San Francisco to explore an animal model of focal dystonia, and to demonstrate the abnormal feedback in the sensory loop and the motor misfirings that, once started, grow relentlessly worse.

3. (amplification) The high-pitched howling noise heard when there is a loop between a microphone and a speaker.

   Synonyms: audio feedback, Larsen effect, howlback, howlround

   • 2002, John Griesemer, No One Thinks of Greenland, Picador, →ISBN:

     A loud feedback screech blasted from a speaker on the wall. It was a hailing signal of some kind.

下位語

• negative feedback
• positive feedback

等位語

• buffering
• feedforward

派生語

派生した語

• → German: Feedback
• → Japanese: フィードバック (fīdobakku)
• → Korean: 피드백 (pideubaek)
• → Polish: feedback
• → Portuguese: feedback
• → Russian: фидбэ́к (fidbɛ́k)
• → Spanish: feedback, → retroalimentación (calque)

動詞

feedback (third-person singular simple present feedbacks, present participle feedbacking, simple past and past participle feedbacked)

1. (music) To generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.

   The show ended with a riot of feedbacking guitars.

2. (transitive) To provide informational feedback to.

   His employees feedbacked him a lot more than he wanted.

3. (transitive) To convey by means of specialized communications channel.

   Customers feedbacked their complaints and some praise.

使用する際の注意点

• Some are likely to prefer feed back and its inflected forms feeds back, feeding back, or fed back.

Further reading

• feedback on Wikipedia.Wikipedia
• audio feedback on Wikipedia.Wikipedia