improving dsp audio

TubeRadioDoc Priority listing - Vintage Tube Radio's from Germany for sale. High class restorations for all valve radios offered. Radio Brands like Saba, NordMende, Majestic, Grundig, Zenith, Philco and more. TubeRadioDoc Vintage Audio Store

ARI Prato Italy - Online Repeater - Italian ARI PRATO Amateur Repeater 145.725 Mhz Live Audio Feed

Milwaukee Fire Dep. Audio Feed - City of Milwaukee Fire Department Live Audio Feed

GB7OK and GB3OK Live Audio Feed - GB7OK and GB3OK Amateur Radio Repeaters located at Bromley, just to the South East of London England

Chicago Fire Dept. Emergency Services - LIVE 911 audio of the Chicago Fire Department North & South channels.

Orange County Sheriff Live Radio - Orange County Sheriff Live Audio Feed at radioreference. Florida USA

Cubical quad spiders - Quality Aluminum Quad spiders. Custom sizes available.

Yaesu FT-897D PSK and RTTY Operation - Determining the audio input and output connections on the FT-897D.

FT-897D Audio processing and ALC operation - Audio processing and ALC in the FT-897D

Scan Stockton Priority listing - Scanner Recordings, Video Clips, Image Gallery From Stockton CA Area. Live Scanner Feed Available. Over a 110 plus audio downloads of fire, police, and other scanner recorded incident traffic. Listen while you browse the site by using the podcast media player.

Berlin Scanner Livestream - Ham Radio Livestream from Berlin, Germany.

Alpha Uniform SWL DX Radio Club - Welcome to Alpha Uniform Audio Unity DX Gateway to the Lands Down Under Free Memberships

Scanner Radio for Android - Android app to listen to live audio from over 2,300 police and fire scanners and weather radios from around the world.

Spek - Spek helps to analyse your audio files by showing their spectrogram. Spek supports all popular lossy and lossless audio file formats. Spek is free software available for Unix, Windows and Mac OS X.

NewLog - A free windows logging program for radio hobbyists, and others by AB9B

MicroMUF - MicroMUF is a windows free HF propagation calculator that you can use to estimate the MUF (Maximum Usable Frequency) and LUF (Lowest Usable Frequency) between any two points on the Earth.

K9DUR Voice Keyer - Voice Keyer was specifically written to interface to PowerSDR via Virtual Audio Cable (VAC)

MorseDecoder  ^updated - HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.

Yaesu DSP Settings for Heil Microphones - To achieve maximum audio quality it is important to adjust the DSP settings of your transmitter when using Heil microphones.

Audio Compressor for SSB - Build an audio Processor and clipper optimised for SSB transmitter

KG9OM Audio Processing setup - Audio processing chain at KG9OM

Heil Microphones DSP Settings - How adjust DSP settings for your trasmitter when using Heil Sound microphones

Cables - A basic article on audio cables, electrical wiring, cable lenght, data cables.

Anatomy of a Loudspeaker - There are a number of important technical issues relating to the matching of speakers to amplifiers, and to the wiring of multiple speaker systems

20m CW QRP Transceiver - The direct-conversion receiver uses an audio-based automatic gain control, an LC tone filter, and a 100-kHz crystal for frequency alignment. The same VFO is used for transmitting and receiving by DC1YB