Latest update
- added warning for using ultrasonic carrier frequencies above 16 kHz
Shredpix - Encode COFDMTV APK Description
Shredpix converts images to COFDMTV encoded audio signals and is based on open-source software.
COFDMTV is based on COFDM (coded orthogonal frequency-division multiplexing) technology:
- 160 ms long OFDM symbols
- 6.25 Hz per sub-carrier
- 1/8 guard interval
- differentially encoded PSK (phase-shift keying) modulation
- systematic polar codes for forward error correction
Following modes are supported:
Using SPC(64800, 43072):
Mode 6: 8PSK, 2700 Hz BW and about 10 seconds long
Mode 7: 8PSK, 2500 Hz BW and about 11 seconds long
Mode 8: QPSK, 2500 Hz BW and about 16 seconds long
Mode 9: QPSK, 2250 Hz BW and about 18 seconds long
Using SPC(64512, 43072):
Mode 10: 8PSK, 3200 Hz BW and about 9 seconds long
Mode 11: 8PSK, 2400 Hz BW and about 11 seconds long
Mode 12: QPSK, 2400 Hz BW and about 16 seconds long
Mode 13: QPSK, 1600 Hz BW and about 24 seconds long
Payload must be smaller or equal to 5380 bytes.
JPEG, PNG and WebP image formats are supported.
Width and height are limited to between 16 and 1024 pixels.
How to install Shredpix - Encode COFDMTV APK for Android
Download Shredpix - Encode COFDMTV APK file from APKPure.live, then follow these steps:
Update Phone Settings
- Go to your phone Settings page
- Tap Security or Applications (varies with device)
- Check the Unknown Sources box
- Confirm with OK
Go to Downloads
- Open Downloads on your device by going to My Files or Files
- Tap Install when prompted, the APK file you downloaded will be installed on your device.
How to install Shredpix - Encode COFDMTV APK on Windows PC 7/8/10/11 or MAC?
Download Shredpix - Encode COFDMTV APK file from APKPure.live to your PC (ex: C://Users/xxx/Downloads/, then follow these steps appear on screen.
Using Emulator:
- Download And Install one Emulator Softwares (Ex: Bluestacks, GenyMotion, NoxPlayer)
