PC Measurements

Frequency Counter

This is a frequency Counter that uses your sound card.

  • Author :
    BIP FreeWare Fun
  • Website :
  • Licence Type :
    Freeware
  • Size :
    0.10 MB
  • Hits :
    1965
  • Download

Test Tone Generator

This Test Tone Generator (TTG) turns your PC into a function generator and enables you to: Test and tune loudspeakers, audio devices or complete sound systems. Teach others about sounds and frequencies. Create sound effects

SweepGen

SweepGen turns a PC into an Audio Oscillator and Sweep Generator which can be used for testing audio or educational purposes. In conjunction with audio test instruments, you can make frequency response plots. SweepGen uses the sound card in your PC to produce sinewaves that are mathematically correct almost to CD quality, indeed it's more likely that the quality of your PC sound card will be the limiting factor rather than the code in SweepGen.

Sine Wave Generator

The BIP Sine Wave Generator uses the sound card's output as sine wave output. A built in sweep algorithm is used by audio hackers to measure frequency responses of their amplifiers.The generator has the following properties: Sampling frequency: The oscillator automatically uses the highest sample frequency available at the output that you select (usually maximal 44 kHz but people with 22 kHz max. also use the generator without any problems). Ounput impedance: The same as the output impedance of your sound card. Normally the output of a sound card is very low (which is good) in order to be able to connect a speaker (which is not needed for this application). The generator uses 8-bit samples to generate the sine wave signal. The sine wave is created using a secret algorithm which makes use of special floating point instructions of your microprocessor.

  • Author :
  • Website :
  • Licence Type :
    Freeware
  • Size :
    0.12 MB
  • Hits :
    1958
  • Download

Frequency Analyzer

Whistle a melody and watch this program graph the pitch in real time. The Frequency Analyzer (download now) technically speaking performs a Fast Fourier Transform of the sound (you need a sound card and a microphone to use this program). What it means is that it analyzes your voice and splits it into its component frequencies. Watch patterns of speech, the harmonics of vowels and the noise of sibilants. The size of the program is only 148k! (zipped 74k) Can you believe that?! There are web pages that make you download more than that just to be able to look at them.

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