Astrophotography filters are either narrowband (for nebulae) or wideband (for galaxies and star clusters). Narrowband filters isolate specific light wavelengths; wideband filters let through a broader ...

[For more on this topic, see Wideband VoIP: sounds good to me and Next-generation VoIP and the role of DSP.] In Voice over IP (VoIP) applications, wideband voice has a very clear benefit to the ...

A digitial voice signal with a greater range of frequencies. Also branded as "HD Voice" by Polycom, the narrowband 300-3400 Hz frequency range of the traditional "toll quality" telephone call was ...

One notable improvement made to today’s 4G networks is support for high-quality voice calls. New muffled 8kHz narrowband technologies (like AMR) from the 2G and 3G days have made way for 16kHz ...