Products from Tolvan Data

Loudspeaker design software

• Basta! loudspeaker simulator. A free demo is available.
• Sirp loudpeaker analyser. A free demo is available.
• The Edge baffle diffraction simulator. Freeware.
• XDir directivity simulator. Freeware.

Voice analysis and signal processing tools

• Audiofil, Extract, Corr, ReSample, Beep, SwellCal, ToolEdit are bundled with the Soundswell signal workstation, which is distributed by Hitech Development AB. A free 30 day demo is available.
• The graphical interface to the Phog phonetograph, owned and distributed by Hitech Development AB
• Decap manual inverse filter. Contact info@tolvan.com for more information.
• S-naq semi-manual normalized amplitude quotient (NAQ) extractor. Connects to Swell to extract normalized amplitude quotient of a flow signal. Contact info@tolvan.com for more information.

Measurement software

• RTSect, Tombstone, Tone, CircFFT. Freeware.
• TimDec for measurement of reverberation time. Freeware.
• Crest to measure the crest factor in real time of audio signals. Freeware.

Teaching

Apart from the teaching in electro acoustics at the Royal institute of technology (KTH), Svante Granqvist has also been teaching other groups for Tolvan Data, mainly in acoustics and computer analysis of speech, music and audio in general. Contact Svante if you want to have lectures on these topics.