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annotate pirelli/audio-tones @ 383:97a294f69426

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pirelli/audio-tones: basic keybeep and DTMF captured
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 10 Nov 2021 01:22:36 +0000
parents
children dec73b00871d
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383
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 Keybeep in handheld mode:
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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3 KBP_R fn da3b da3b 0004
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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4
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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5 The two overlapping da3b tones (697 Hz, -7 dBfs) are exactly the same
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 as in TCS211 reference.
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 This 2x da3b keybeep remains the same in an active call, and also when the
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 loudspeaker is enabled. With the loudspeaker on, the beeps are very loud!
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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10
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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11 With the headset plugged in, the keybeep changes to:
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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12
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 KBP_R fn da0b da0b 0004
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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14
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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15 This headset mode keybeep still consists of two overlapping 697 Hz tones,
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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16 but now the amplitude of each single tone is -21 dBfs.
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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17
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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18 Keybeep duration is 120 ms in TCS211 reference, but only 80 ms in Pirelli's
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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19 version.
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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20
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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21 Switching to DTMF keypad mode:
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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22
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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23 All keys beyond the basic dial set generate the same tone as the # key:
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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24
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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25 TON_R fn bd4c 6683 0000 0001 000a 000a 0005 0000 0005 0000 0005 0000 0005
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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26
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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27 The above trace was captured in handheld mode. The frequencies are the same
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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28 as in TCS211 reference (941 Hz low, 1477 Hz high), and the dBfs amplitudes are
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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29 also unchanged: -7 dBfs for the low tone, -5 dBfs for the high tone.
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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30
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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31 With the headset plugged in, the tone changes to:
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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32
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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33 TON_R fn bd0f 661a 0000 0001 000a 000a 0005 0000 0005 0000 0005 0000 0005
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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34
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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35 The new amplitudes are -21 dBfs for the low tone and -19 dBfs for the high tone.
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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36
97a294f69426 pirelli/audio-tones: basic keybeep and DTMF captured
Mychaela Falconia <falcon@freecalypso.org>
parents:
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37 The duration of the tone is 100 ms, same as in TCS211 reference.