ISD-T360 ETC [List of Unclassifed Manufacturers], ISD-T360 Datasheet - Page 56
ISD-T360
Manufacturer Part Number
ISD-T360
Description
VoiceDSP Digital Speech Processor with Master/Slave, Full-Duplex Speakerphone, Multiple Flash and ARAM/DRAM Support
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.ISD-T360.pdf
(109 pages)
- Current page: 56 of 109
- Download datasheet (2Mb)
2.3.5
Speech synthesis is the technology used to cre-
ate messages out of predefined words and
phrases stored in a vocabulary.
There are two kinds of predefined messages:
fixed messages (voice menus in a voice-mail sys-
tem) and programmable messages (time-and-
day stamp, or the You have n messages an-
nouncement in a DTAD).
A vocabulary includes a set of predefined words
and phrases, needed to synthesize messages in
any language. Applications which support more
than one language require a separate vocabu-
lary for each language.
2-16
while () {
}
EV = wait_event()
case EV of:
SPEECH SYNTHESIS
skpr_button_pressed:
digit_pressed:
digit_timeout_event:
if (speakerphone_on) {
else
if (first_digit) {
first_digit = FALSE
}
GT <dtmf_of_digit> // Dial the digit
S
enable_digit_timeout_event() // To "guess" when dialing is completed.
SSM 1
deactivate_digit_timeout_event()
SSM 0
first_digit = TRUE
deactivate_digit_timeout_event()
SSM 1
SSM 4
Figure 2-3: Speakerphone Pseudo Code Representation
// Put VoiceDSP in idle mode
// Put VoiceDSP in full-duplex speakerphone mode
// Stop. Note that after the S command
// the VoiceDSP is still in speakerphone mode
// Dialing is completed, Go back to full-duplex mode
// Enter LISTEN mode
INTERNATIONAL VOCABULARY SUPPORT (IVS)
IVS is a mechanism by which the VoiceDSP pro-
cessor utilizes several vocabularies stored on an
external storage device. IVS enables the ISD-
T360SB to synthesize messages with the same
meaning, but in different languages, from sepa-
rate vocabularies.
IVS Features
• Multiple vocabularies stored on a single
• Plug-and-play. The same microcontroller
• Synthesized and recorded messages use
• Argumented sentences. (For example:
storage device.
code is used for all languages.
the same voice compression algorithm to
achieve equal quality.
You have <n> messages .)
Voice Solutions in Silicon
2—SOFTWARE
™
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