VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. It delivers superior voice quality by integrating advanced digital voice processing features including acoustic echo cancellation, noise cancellation and adaptive jitter buffering.

Perform audio, acoustical and vibrational measurements user-friendly, accurate and flexible using a sound card. WinMLS2000 is widely used by professionals. Now low-cost versions allow the amateur to perform professional loudspeaker and room measurements User friendliness is ensured through default setups for the standard measurements (e.g. sound system calibration, THD+N and harmonic distortion, reverberation time in rooms.

Sample Champion is a powerful real-time software tool designed for high precision acoustic measurements. With Sample Champion you will be able to measure the Impulse Response of a room, or analyze loudspeaker Frequency Responses using the MLS (Maximum Length Sequence) method. It has been designed for acoustical technicians, sound engineers, scientists and students. Sampling rate up to 192 kHz, 24 bit support. FFT length up to 64K points.

The Test Tone Generator (TTG) turns the PC into a function generator for testing or demonstration, sound tuning, education or for sound effects. Features include: Constant and swept tones; many wave forms (Sine/square/triangle/white and pink noise with adjustable crest factor etc.); Extensive scripting including a Script Editor; Preset storage; Change the frequency in real time seamlessly by keyboard, mouse or slider; Multi sound card support.

TurboBass Express is a precise tool, developed to specifically design a cabinet to perform in the confines of a car boot tuned to cope with road noise And internal pressure. No other program I know of will perform this specific task. All you need is a technical data sheet from the manufacturer of The mid range, woofer or sub woofer. You only need three of the parameters to Calculate the desired cabinet needed.