Voice Guidance
Characteristics
Feature 1. Easily add-in to existing systems
- Only send commands via serial interface
- Standalone mode that only controls GPIO from the host (possible without host)
Feature 2. Providing ease of listening to individual end users
- Realtime Voice Speed/Pitch Conversion
Providing ease of listening to individual end users - Produce a sense of luxury by 2ch Mixing Play
Voice play with background music.
Feature 3. Easy to prepare Voice Data
- Epson Voice Data Creation PC Tool
Easy to create Sound data even for a first-time user
Easy to change/add (Suitable for Frequently/Emergency)
No cost to create Voice data(No need studio, narrator fee)
Existing wav files can be imported to the tool easily
Feature 4. Easy to implement Sound Play
- Just sending a command the voice "Sentence Number" on Epson Voice Data Creation PC Tool from the host.
Sentence Information(phrase structure, connection, delay etc) is including in Sound ROM
Even if there is a change in the content of the voice data, if there is no change in the number, there is no need to change the SW
Feature 5. Easy to expand Language support
- Voice Data Creation PC Tool supports 12 language
- Multi-SoundROM
Feature 6. Achieve small memory size
- High Quality & High Compression Sound Algorithm
1/4 size comparison with same sampling frequency(16kHz)
Small size(2/3) comparison with even low sampling frequency(8kHz)
Many sound data, long music can be stored.
Multiple language can be integrated.
Feature 7. Play melody/voice on Buzzer
- Select Sound Output mode by a product requirement
Speaker
Buzzer(Electromagnetic Buzzer, Piezoelectric Buzzer)
Feature 8. Achieve Long Battery Life
- Low Sleep current
- Low Standby current
- Quick clock wake-up
- Low RUN current
Voice guidance LSI lineup
| Series name | S1V3F351 | S1V3F352 | S1V3G340 |
|---|---|---|---|
| Status | MP | MP | MP |
| Data sheet |  1,742KB |
- | |
| Manual |
4,293KB |
199KB |
|
| Sound Flash | Approx 30sec | Approx 80sec | - |
| External SPI-Flash I/F | supported(up to 16MB) | ||
| Sound Data streaming | - | supported | |
| Sound Play Algorithm | EOV(EPSON Original High Compress & High Quality Format) / 16bit PCM | EOV(EPSON Original High Compress & High Quality Format) | |
| Sound Play channels | 2ch Mixing Play(e.g. Ch.0:Voice, Ch.1:BGM) | 1ch | |
| Sampling Frequency | 15.625kHz, (Suitable for Back Ground Music) | ||
| Bitrate | EOV:16/24 kbps | EOV:16/24/32/40 kbps | |
| Multi-SoundROM | Multiple independent Sound ROM data can be stored for multilingual support, etc. | - | |
| Gapless Sound Play | supported | ||
| Volume Setting | supported(0db to -63.0db:0.5db step, silence) | supported(-48 to +18db:1db step, silence) | |
| Repeat Setting | supported(1 to 254times, repeat until stop command) * 1 to 127 times for sound playback in standalone mode |
supported(1 to 65534times, repeat until stop command) | |
| Voice Speed Conversion | 75% - 125% (5% step) | - | |
| Voice Pitch Conversion | 90% - 110% (5% step) |
- | |
| Tone Generation | supported | - | |
| Buzzer Voice/Melody | supported | - | |
| Record/play | Supported (using external Flash) | - | |
| Hardware Information | |||
| Host Interface | SPI/UART/I2C | ||
| Sleep/Deep Sleep mode | supported | ||
| ADC for record | supported | ||
| Internal Oscillator | supported | - | |
| Ext Oscillator circuit | supported(16MHz) | ||
| Operation power supply | 1.8v to 5.5v | ||
| SPI-Flash power supply | Supported (3.3v±10%) | - | |
| Flash Programming | 2.2 to 5.5 V | 2.4 to 5.5 V | - |
| Package | P-TQFP048-0707-0.50(0.5mm pitch) | P-TQFP048-0707-0.50(0.5mm pitch) | P-LQFP048-0707-0.50(0.5mm pitch) P-VQFN048-0707-0.50(0.5mm pitch) P-LQFP052-1010-0.65(0.65mm pitch) |
- ST(Status) MP(Mass Production) UD(Under Development)
Voice guidance LSI Evaluation Board
*Please request after purchasing EPSON evaluation board
