Interface - Voice Record and Playback
Interface - Voice Record and Playback ICs: Overview & Selection Guide
Definition:
Interface - Voice Record and Playback ICs are specialized integrated circuits designed to capture, store, and reproduce audio signals in electronic systems. These ICs integrate analog-to-digital conversion (ADC), digital signal processing (DSP), memory, and digital-to-analog conversion (DAC) functionalities to enable seamless voice interaction in applications ranging from consumer gadgets to industrial equipment.
Types of Voice Record/Playback ICs:
1. Standalone Voice ICs: Pre-programmed solutions with fixed memory (e.g., 20 600 seconds), ideal for simple prompts or alarms (e.g., ISD1700 series).
2. Programmable DSP-Based ICs: Offer customizable audio processing and compression (e.g., ADPCM, MP3), suited for high-fidelity or multi-language systems (e.g., Nuvoton ISD9160).
3. Flash-Based Storage ICs: Feature expandable memory via external flash, enabling longer recordings (e.g., Winbond s WTVxxx series).
4. Low-Power variants: Optimized for battery-operated devices (e.g., 1.8V operation in ROHM s BD3481F).
Purchasing Recommendations:
- Duration & Quality: Match memory capacity (e.g., 16Mb 256Mb) and sampling rate (4kHz 44.1kHz) to your audio length/clarity needs.
- Interface: Prioritize ICs with standard protocols (I2C, SPI) for microcontroller compatibility.
- Power Constraints: Select ultra-low-power ICs (<1 A standby) for wearables/IoT.
- Environmental Robustness: Industrial applications may require extended temperature ranges (-40 C to +85 C).
Note: Verify OEM support for development tools (e.g., evaluation boards) to accelerate prototyping.
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Categories
ISD4002-120E
IC VOICE REC/PLAY 2MIN 28TSOP
ISD17120SYI01
IC VOICE REC/PLAY 240SEC 28SOIC
ISD5102EYR
IC VOICE REC/PLAY 2MN 11S 28TSOP
ISD1740EYR
IC VOICE REC/PLAY 80SEC 28TSOP
ISD4004-08MS
IC VOICE REC/PLAY 8MIN 28SOIC
ISD1790EY01
IC VOICE REC/PLAY 180SEC 28TSOP
ISD5216PY
IC VOICE REC/PLAY 16MIN 6S 28DIP
ISD17210EY01
IC VOICE REC/PLAY 420SEC 28TSOP
ISD4002-240EYIR
IC VOICE REC/PLAY 4MIN 28TSOP
ISD2548S
IC VOICE REC/PLAY 48SEC 28SOIC
ISD5116EYI
IC VOICE REC/PLAY 17M 28S 28TSOP
ISD4004-10MS
IC VOICE REC/PLAY 10MIN 28SOIC
ISD2564P
IC VOICE REC/PLAY 64SEC 28DIP
ISD2590S
IC VOICE REC/PLAY 90SEC 28SOIC
ISD17120EY
IC VOICE REC/PLAY 240SEC 28TSOP
ISD4002-240EI
IC VOICE REC/PLAY 4MIN 28TSOP
ISD17240EYI
IC VOICE REC/PLAY 480SEC 28TSOP
ISD17180PYI01
IC VOICE REC/PLAY 360SEC 28DIP
ISD1620BPIY
IC VOICE REC/PLAY 40SEC 16DIP
ISD4003-04MEY
IC VOICE REC/PLAY 4MIN 28TSOP