digital sound

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digital sound

36 links

Internet and Radio : Sounds
  • Digital Signals - signals and sounds available on shortwave/vhf radio today along with information on the available equipment needed to understand, analyze or identify these signals
    [ Hits: 9762 | Votes: 16 | Rating: 4.75 ]
  • Sound samples of digital transmissions - Sound samples of the transmission modes recorded at 11025 samples per second, mono and the message in all of the samples is the same: "the quick brown fox jumps over the lazy dog 1234567890".
    [ Hits: 3219 | Votes: 8 | Rating: 8.75 ]
  • Digital Operating Modes - Description, frequencies and sound samples of most popular amateur radio digital modes by DG8FBV
    [ Hits: 1249 | Votes: 4 | Rating: 8 ]
  • Sounds of the Commercial and Military Digital Station - Information and digital audio samples of various modem modulation types
    [ Hits: 1649 | Votes: 4 | Rating: 3.5 ]
Manufacturers : Digital and Packet Radio
  • I-LinkBoards.com - Echolink, EQSO, Echostation, SSTV, WEFAX, PSK-31 other digital sound card modes
    [ Hits: 1321 | Votes: 1 | Rating: 10 ]
Manufacturers : Interfaces
  • KK7UQ - Digital Radio - The KK7UQ computer to radio interface, sound card interfaces, IMD meters interface products
    [ Hits: 1654 | Votes: 6 | Rating: 8.33 ]
Operating Modes : DSP
  • Digital Signals Sounds - Several files with examples of sounds from digital radio modes on short wave. PSK, RTTY Hellschreiber MFSK FSK Sitor
    [ Hits: 1625 | Votes: 6 | Rating: 5.17 ]
Operating Modes : Digital Modes
  • Sights and Sounds of Digital Signals - Preview the waterfall signature of various digital signals and listen to the sound of the digital modes. Learn about the bandwidth requirements and why a linear transmitter path is critical to successful and correct use of many modes on the amateur bands by W1HKJ
    [ Hits: 1041 | Votes: 3 | Rating: 6.67 ]
Operating Modes : Packet Radio
  • Soundblaster and Packet - Flexnet and AGW packet engine tested and reviewed by IZ7ATH
    [ Hits: 2984 | Votes: 20 | Rating: 6.66 ]
  • Sound Card Packet - This amateur radio web site explains how to use the AGWPE utility program to send and receive packet (a digital data mode) using the sound card of your PC instead of a traditional TNC (Terminal Node Controller), a radio modem.
    [ Hits: 1170 | Votes: 2 | Rating: 5.5 ]
Software : Audio Recorders
  • Scancorder - With Scancorder you can record and replay audio from your scanner using your computer soundcard. The audio is recorded digitally as a wave file, so that even digital modes can be re-processed or analysed later.
    [ Hits: 5833 | Votes: 3 | Rating: 3.33 ]
Software : Multimode
  • TrueTTY - Program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK) and AMTOR-FEC (SITOR-B, NAVTEX). SELFEC SITOR decoding is possible also. No additional hardware required, need only a sound card. Optionally you can use simple circuit fo PTT-control. Can cooperate with RZ4AG AAlog logger.
    [ Hits: 18276 | Votes: 855 | Rating: 7.35 ]
Software : Navtex
  • DSCdecoder - DSCdecoder decodes the DSC digital signals from ships and coast stations using the sound card in your PC. You need a suitable MF, HF or VHF band radio receiver tuned to one of the DSC distress and calling channels or to one of the Navtex channels
    [ Hits: 6215 | Votes: 11 | Rating: 6.09 ]
Software : Oscilloscope
  • Cobracom - Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform and as Digital-to-analog Converter for the signal generator. True 24 bit adc/dac 48K/96k/192k sampes/sec.
    [ Hits: 21542 | Votes: 13 | Rating: 6.23 ]
Software : RTTY
  • Zakanaka - A digital mode decoding and terminal program that uses no terminal unit, terminal node controller, or multimode hardware. It does all its decoding using the sound card inside the computer, and it can interface with a radio using a COM port. Zakanaka is an extremely cost-effective way of operating PSK31 and RTTY
    [ Hits: 22750 | Votes: 44 | Rating: 6.93 ]
Software : Spectrum analyzers
  • Zelscope  pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.
    [ Hits: 71191 | Votes: 29 | Rating: 5.32 ]
  • Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.
    [ Hits: 11311 | Votes: 9 | Rating: 7.77 ]
Software : Weak Signal
  • MF TeleType - MF TeleType is a program for amateur radio digital communication via sound card, ham radio chat program for extra reliable text transmissions over long distance
    [ Hits: 612 | Votes: 0 | Rating: 0 ]
Technical Reference : Sound Card Radio Interfacing
  • FT-1000MP interface - YAESU FT-1000/MP/MARK V (filed) interface, this one of numerous RTX sound blaster interfaces you can find on the internet, but this one include: FSK KEYING to use with the RTTY port, DVS-2 to use the interface in AFSK mode, this include all digital modes + voice keyer, CW KEYING
    [ Hits: 6887 | Votes: 1 | Rating: 10 ]
  • The In's and Out's of a Sound Card - October 2003 QST article on working digital mondes with sound card interfaces
    [ Hits: 655 | Votes: 1 | Rating: 1 ]

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