interval signal
C2Technical / Specialist
Definition
Meaning
A short, distinctive audio sequence broadcast by a radio station before its main program begins, used for identification and frequency tuning.
In broader usage, any recurring, identifying signal (audio or visual) marking a pause, break, or transition between segments of a broadcast, event, or performance. Can also refer metaphorically to any repetitive sign used for recognition or synchronization.
Linguistics
Semantic Notes
The term is almost exclusively used in the context of radio broadcasting, especially shortwave and international broadcasting. It is a compound noun where 'interval' refers to the time between programs, and 'signal' refers to the transmitted sound.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. The term is used identically in both broadcast engineering contexts.
Connotations
Neutral technical term. Evokes nostalgia for the era of international shortwave radio broadcasting.
Frequency
Equally low-frequency in both dialects, confined to broadcasting professionals and radio enthusiasts.
Vocabulary
Collocations
Grammar
Valency Patterns
The [RADIO STATION] broadcasts its [IDENTIFYING] interval signal.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[None directly associated. It is itself a technical term.]”
Usage
Context Usage
Business
Not used.
Academic
Used in media studies, communication technology, and history of broadcasting papers.
Everyday
Virtually never used in everyday conversation.
Technical
Standard term in radio broadcasting, especially concerning shortwave, international broadcasting, and signal engineering.
Examples
By Part of Speech
verb
British English
- The BBC World Service would interval-signal its presence on the shortwave band.
American English
- The station interval-signaled its frequency with a sequence of chimes.
adverb
British English
- [Not standard. The term does not have an adverbial form in natural usage.]
American English
- [Not standard. The term does not have an adverbial form in natural usage.]
adjective
British English
- The interval-signal melody became iconic among radio enthusiasts.
American English
- They discussed interval-signal protocols at the broadcasters' conference.
Examples
By CEFR Level
- [Not applicable for A2 level. The term is highly specialized.]
- [Not applicable for B1 level. The term is highly specialized.]
- I could tell it was Radio Tirana from its unique interval signal.
- Before the news bulletin, the station aired its customary interval signal, a clip of traditional folk music, allowing listeners to fine-tune their receivers.
Learning
Memory Aids
Mnemonic
Think of the INTERVAL between TV shows, and the SIGNAL that comes on to tell you which channel you're on. An interval signal is the radio's version of that.
Conceptual Metaphor
AUDIO FINGERPRINT (A unique sound identifying a source).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid literal translation as 'интервальный сигнал'. The standard Russian term in broadcasting is 'опознавательный сигнал' or 'позывной сигнал'.
Common Mistakes
- Confusing it with a 'station ID' (which is spoken) or a 'theme tune' (which opens a specific program). An interval signal is specifically for the period between programs.
Practice
Quiz
What is the primary purpose of an 'interval signal'?
FAQ
Frequently Asked Questions
They are related but not identical. A station ID is a verbal or textual identification (e.g., 'This is the BBC'). An interval signal is a non-verbal, often musical, audio marker played specifically in the interval between programs for identification and tuning.
Not commonly in the modern sense. The concept is analogous to a channel's 'ident' or 'logo sting' shown between programs, but the term 'interval signal' is firmly rooted in radio, especially shortwave radio broadcasting.
With the decline of analogue shortwave listening and the rise of digital, streaming, and satellite radio where tuning is precise and station information is displayed visually, the practical need for an audio tuning signal has greatly diminished.
Yes, though rarely. One might refer to a person's habitual catchphrase or a company's recurring jingle as a sort of 'interval signal' that identifies them. Example: 'His standard joke about the weather became his conversational interval signal.'