improving dsp audio

JA0RUG DX Diary - DX Audio Clip and others Blog by JA0RUG

Florida DSTAR repeater live feed - Listen to the DSTAR Repeater from Florida USA currently connected to Reflector 1c

PI4CC Live audio - During PI4CC contest club activities you will be able to listen what they hear.

Carteret County Public Safety Live Scanner - Carteret County NC Public Safety Live Scanner Audio Feed

Digimode Sounds - Audio recordings of popular and not yet so popular digimodes

Digital Modes Samples - Audio recording of many ham radio digital modes emissions. Sound samples of HF VHF digital signals samples and published by KB9UKD

Eletec Broadcast - EB Broadcast provides Audio, Studio and Transmission Equipment, FM Transmitter, rf power amplifiers, audio processor for radio stations.

Digital Modes Information Page - An overview of digital HF radio operating modes includes a sample audio recording of each digital mode by WB8NUT

Morse Code Sound Samples - G4UCJ morse code table with mp3 morse audio samples

Audio CW Filter - A very effective AF Adaptor, with built-in noise blanker and 30 Hz CW filter modules by PA0LQ

PSK31 Fundamentals and Setup - Background: The PSK31 philosophy, The QPSK mode, Varicode, Sound Card DSP Setup and Operating Tips

Making the Most of your PSK31 Signal - Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.

Mods Kenwood TS-870 ACC2 Input - This mod flattens out the ACC2 audio input low frequency response

G4URH - Yaesu FT2000 Audio Settings - Yaesu FT-2000 Audio Settings 3 stage Parametric Equalizer Speech Processor OFF

Marine Audio Direct - From marine stereo, to marine radio ,cellular amplifiers,cb radios, marine antenna and more marine radio products online shop

Sound Company Virginia - Sound System Alexandria, Baltimore, Maryland, Washington DC Priority listing - Sound company virginia provides audio equipments, audio tape recorder with the capability to directly record live spoken words with highest audio quality.

UStream Producer - Broadcast your audio and video or even desktop via ustream.tv using Ustream Producer free version

Unreal Media Server - Stream your radio audio output with free version on unreal media server. Support live audio and video broadcasting via internet

EasyAudioStreamer  ^updated - EasyAudioStreamer is free windows software that allow you to easily stream to the network any audio source connected to any audio device available on your PC.

IDSP - IDSP is an app for IPHONE and IPOD Touch. Made by 2 powerful filters, a band pass and a band stop with adjustable bandwidth. Filters are butterworth 4 and 8 poles, sample rate at 44,100 32 bit. Cancel every noise and hear only your qso.

Frequency Response Plotter - Draw static response time of an audio system. Originally intended for loudspeakers tests, is also a great tool for looking at microphone equalisation.

Audio Kit for iPhone - Audio Kit is a collection of four iphone applications which are essential for those working in audio and sound. A real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a sine wave Signal Generator.

A Potpourri of Audio Amplifiers - A collection of audio amplifier projects by N1HFX

Improving Receiver Noise on 50 MHz - Tests on a preamplifier for 50 MHz installed right at the feedpoint of the antenna.

Kenwood TM-201 401 mod - Kenwood TM-201/401 Increased TX Audio, mod for microphone gain