Interval signal

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Template:Short description Template:Expand German Template:Image frame File:RAVAG-Pausenzeichen.ogg An interval signal, or tuning signal, is a characteristic sound or musical phrase used in international broadcasting, numbers stations, and by some domestic broadcasters, played before commencement or during breaks in transmission, but most commonly between programs in different languages.

It serves several purposes:

  • It helps a listener using a radio with an analog tuner to find the correct frequency.
  • It informs other stations that the frequency is in use.
  • It serves as a station identifier even if the language used in the subsequent broadcast is not one the listener understands.

The practice began in Europe in the 1920s and 1930s and was carried over into shortwave broadcasts. The use of interval signals has declined with the advent of digital tuning systems, but has not vanished. Interval signals were not required on commercial channels in the United States, where jingles were used as identification.

List of interval signals by station

Template:Thumb </score>|caption=Rádio Nacional de Angola|align=center}}

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 s8

} \score{\main} \score{

 <<\main \new Staff \acco>>
 \midi{\tempo 4 = 60}

} </score>|caption=Interval signal for Radio Bangladesh|align=center}}

Template:Thumb </score>|caption=Radio Belarus|align=center}}

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 }

>> \score{\main \layout{indent=#0 line-width=#120 }} \score{\unfoldRepeats <<\main \acco>> \midi{\tempo 4.=115}} </score>

|caption=Radio Burkina|align=center}}

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Template:Thumb \midi{\tempo 4.=80} </score>|caption=Radio Ethiopia|align=center}}

Template:Thumb </score>|caption=Radio France Internationale|align=center}}

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Template:Thumb \score{<<\main \new Staff \acco>> \midi{\tempo 4=91}} </score>|caption=Interval signal for All India Radio|align=center}}

Template:Thumb \score{ <<\main \new Staff \acco>> \midi{\tempo 4=70 \set Staff.midiInstrument = "string ensemble 1"} } </score>|caption=RRI Programa 3|align=center}}

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Template:Thumb </score>|caption=Interval signal for Radio Nepal|align=center}}

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Template:Thumb \score{<<\main \new Staff \acco>> \midi{\tempo 4=124}} </score>|caption=Radio Madagascar|align=center}}

Template:Thumb \midi{\tempo 4.=132} </score>|caption=Radio Mauritania|align=center}}

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Template:Thumb \score{\unfoldRepeats \main \midi{\tempo 4=180}} </score>|caption=Office of Radio and Television of Niger|align=center}}

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Template:Thumb>> } \score{\main \addlyrics{Spread the ti -- dings}

 \layout{indent=0 line-width=120 \context{\Lyrics fontSize=-3}}

} \score{<<\main \new Staff \acco>> \midi{\tempo 4=118}} </score>|caption=FEBC|align=center}}

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Template:Thumb </score>|caption=Radio Slovenia|align=center}}

Template:Thumb } \score{\unfoldRepeats \main \midi{\tempo 4.=106 \set Staff.midiInstrument = "xylophone"} } </score>|caption=Radio Uganda|align=center}}

Template:Thumb </score>|caption=Radio Ukraine International|align=center}}

  • English programme: "Bow Bells", 10 change-ringing bells.
  • Non-English programme, non-Europe: three notes tuned B–B–C.
  • Non-English programme, to Europe: four notes tuned B–B–B–E.

Template:Thumb \score{<<\unfoldRepeats\main \new Staff{\skip 4*50}>>

\midi{\tempo 4=187 \set Staff.midiInstrument = "tubular bells"}

} </score>
<score sound> % https://www.intervalsignals.net/sounds/ukg-bbcws_b_interval_signal_170701.mp3 <<

 \new Staff="bbc"<<
   {b'2 2 c1}\\ \magnifyMusic 0.7{<g' d'>2 2 <g' e'>1}
 >>
 \new Lyrics \with{alignAboveContext="bbc"} \lyricsto "1"{B -- B -- C}

>> \midi{\tempo 4=106 \set Staff.midiInstrument = "electric piano 1"} </score>
<score sound> % https://www.intervalsignals.net/sounds/ukg-bbcws_v_interval_signal_170701.mp3 <<

 \voices 2,1<<
   {\clef "treble_(8)" \time 2/4 r8 b[ b b] e}\\
   \magnifyMusic 0.6{r8 b'[ b' b'] e}
 >>
 \new Lyrics \lyricsto "2"{B -- B -- B -- E}

>> \midi{\tempo 4=88 \set Staff.midiInstrument = "electric piano 1"} </score>|caption=Interval signals for BBC World Service|align=center}}

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Template:Thumb } \score{<<\main \new Staff \acco>> \midi{\tempo 4.=116 \set Staff.midiInstrument = "electric piano 1"} } </score>|caption=Trans World Radio|align=center}}

Template:Thumb \m{g4} e d2. }\\ \magnifyMusic 0.6{

 \common s4 <g, b>2. <f g b> <e g c> <g b>

}>> \layout{indent=#0 line-width=#120 } \midi{\tempo 4=110 \set Staff.midiInstrument = "vibraphone"} } </score>|caption=TWR Europe|align=center}}

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 b4 \tuplet 3/2 4{\m{4} e8 gis4 fis8 e4 dis8} e2. r4

}\\ \magnifyMusic 0.6{

 <e, b'>2 <e a>4 <e b'> <a, a'>2 2 <e' gis>2 b2 <e gis b>2.

}\\ \magnifyMusic 0.6{

 s1 s1 s2 \shiftOff <a dis>4 a

}>> \new Lyrics \with{alignAboveContext="what"}

 \lyricsto "1"{All - - be -- cause}

>> \layout{indent=0 line-width=120

 \context{\Staff \magnifyStaff 0.9}
 \context{\Lyrics fontSize=-3}

} \midi{\tempo 4=118 \set Staff.midiInstrument = "vibraphone"} } </score>|caption=TWR Albania|align=center}}

  • TWR Guam: first part of "We've a story to tell to the nations"

Template:Thumb \score{<<\main \new Staff \acco>> \midi{\tempo 4=110}} </score>|caption=KTWR|align=center}}

  • TWR Africa: last part of "We've a story to tell to the nations"

Template:Thumb } \score{<<\main \new Staff \acco>> \midi{\tempo 4=132 \set Staff.midiInstrument = "fx 3 (crystal)"} } </score>|caption=TWR Africa|align=center}}

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File:Voa english signing on with yankee doodle.ogg Template:Clear

Template:Thumb \midi{\tempo 2=73 \set Staff.midiInstrument = "choir aahs"} </score>|caption=WEWN|align=center}}

Template:Thumb </score>|caption=Interval signal for Vatican Radio|align=center}}

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Template:Thumb >> \score{\main} \score{<<\main \acco>> \midi{\tempo 4=160}} </score>|caption=Radio Tirana - Këputa një gjethe dafine|align=center}} Template:Thumb

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Template:Thumb} \score{

 <<\main \new Staff \acco>>
 \midi{\tempo 4 = 102}

} </score>|caption=Cyprus Broadcasting Corporation|align=center}}

Template:Thumb </score>|caption=Czechoslovak Radio|align=center}}

  • last segment of Kupředu levá ("Forward, Left") by cs:Jan Seidl

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Template:Thumb } \paper{indent=#0 line-width=#120 system-system-spacing = #'((basic-distance . 10))} \score{<<\main \new Staff \acco>> \midi{\tempo 4=110}} </score>|caption=The Voice of the Andes|align=center}}

Template:Thumb </score>|caption=The Voice of the Andes (Japanese)|align=center}}

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Template:Thumb d8-.) c-. b4 a g2 } acco = {

 \key g \major
 \set Staff.midiInstrument = "bassoon"
 \set Staff.midiMaximumVolume = #0.7
 << 
 \relative{
   r8. g'16 fis8-. e-. d8. c16 b8-. c-. d-. c-. b-. c-. d8. s16 s8 d-. b2
 }\\{
    g2~ 2~ 2 d8. d'16 d'8-. d-. g2
 }\\ \relative{
    s2 b'8. a16 g8-. a-. b8. g16 g8-. e-. g4. fis8-. g2 s8
 }>>

} \score{\main} \score{

 <<\main \new Staff \acco>>
 \midi{\tempo 4 = 110}

} </score>|caption=Radio France Internationale|align=center}}

Template:Thumb </score>|caption=NWDR|align=center}}

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File:Radio NTS 1972.ogg

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File:Deutscher Freiheitssender 904.ogg

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  • (Dominant major ninth chord)

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Template:Thumb </score>|caption=Radio Budapest|align=center}}

  • Budapest 2

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 \repeat unfold 2{\grace{as16}ges16.-.} \grace{ges16}f16.-. r

} \score{\main \layout{\context{\Staff \magnifyStaff 0.7}}} \score{ \unfoldRepeats \main \midi{\tempo 4=238 \set Staff.midiInstrument = "ocarina"} } \paper{indent=#0 line-width=#120 system-system-spacing = #'((basic-distance . 7)) } </score>|caption=Rai Italia Radio|align=center}}

Template:Thumb s4_"//"

 }\\ \relative{
   \set midiMaximumVolume = #0.7
   c'8.*10/9-_ 16*2/3 <e c>2 \tuplet 3/2 {<c b>8 8 8} <e bes>2
   <d a>4~ \repeat unfold 2{\tuplet 3/2 {<d a>8  <d a>}}
 }>>

} \midi{\tempo 4=54 \set Staff.midiInstrument = "brass section"} </score>|caption=Latvijas Radio|align=center}}

Template:Thumb \score{<<\main \new Staff \acco>> \midi{\tempo 4=65 \set Staff.midiInstrument = "choir aahs"} } </score>|caption=Radio Vilnius - Lietuvninkai mes esam gimę|align=center}}

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Template:Thumb \score{<<\main \new Staff \acco>> \midi{\tempo 2=53 \set Staff.midiInstrument = "tubular bells"} } </score>|caption=Radio Netherlands (old)|align=center}}

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  • Kjenningssignalet: beginning bars of Symphony No.1 "Innover viddene" by Eivind Groven

Template:Thumb } \score{<<\main \new Staff \acco>> \midi{\tempo 4=60 \set Score.midiInstrument = "orchestral harp"} } </score>|caption=NRK - Kjenningssignalet|align=center}}

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Template:Thumb </score>|caption=Polish Radio External Service|align=center}}

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Template:Thumb </score>|caption=Radio Bucharest|align=center}}

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Template:Thumb} \score{<<\main \new Staff \acco>> \midi{\tempo 4=53 \set Staff.midiInstrument = "acoustic guitar (nylon)"} } </score>|caption=Radio RSA|align=center}}

Template:Thumb </score>|caption=Radio Exterior de España|align=center}}

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Template:Thumb </score>|caption=Red Cross Broadcasting Service|align=center}}

File:Voice of Turkey Interval Signal.ogg

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Template:Thumb } \score{<<\main \acco>> \midi{\tempo 4=132}} </score>|caption=Radio Moscow|align=center}}

Template:Thumb \score{

 \relative{
   \set Staff.midiInstrument = "electric piano 1" 
   \key g \major
   <<\main \\ \acco>>
 }
 \midi{\tempo 4 = 60}

} </score>|caption=Radio Moscow|align=center}}

Template:Thumb Template:Thumb main = {\set Staff.midiInstrument = "trumpet" \common \mainA s8_"//"} acco = << \new Staff{

 \set Staff.midiInstrument = "clarinet"
 \common \transpose c c' \mainA

} \new Staff \relative{

 \set Staff.midiInstrument = "string ensemble 1"
 \set midiMaximumVolume = #0.9 \clef bass \common
 \repeat volta 2{
 <g, b' d>4 r r <e g' d'> r r <a c' e> r r <d, a fis'> r r
 <g b' g'> r r <c, g e'> r r <d fis' d'> r r <g g' b> r r
 }

} >> \score{{\omit Script \main} \layout{indent=0 line-width=120}} \score{\unfoldRepeats <<\main \acco>> \midi{\tempo 2.=106}} </score>|caption=BBC - Lillibullero|align=center}}

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Template:Thumb </score>|caption=KNLS/MWV - (an unnamed tune)|align=center}}

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Template:Thumb \score{<<\main \new Staff \acco>> \midi{\tempo 4=90 \set Staff.midiInstrument = "electric piano 1"} } </score>|caption=Radio Yugoslavia|align=center}}

Classical radio station WQXR-FM in New York City, during its ownership by The New York Times Company, played different variations of a classical infused gong with the ID read at the same time as "The Classical Station of the New York Times, WQXR, New York (And WQXR.com 2000–2009) Template:Citation needed

Numbers station interval signals

Numbers stations are often named after their interval signals, such as The Lincolnshire Poacher or Magnetic Fields after "Magnetic Fields Part 1" by Jean-Michel Jarre.

References

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Further reading

Template:Commons category