Month: February 2009

MediaTools: Tone Source Filter to generate reference audio feed, dual Audio Source Filter and Virtual Audio Capture Device

In order to obtain a reference audio source and especially useful for debugging purposes, including: audio input device unrelated to physical device, to avoid conditions when device is already in use by someone else non-zero audio signal which is independent of certain speaker or broadcasting service, including one that makes capture, transmission or rendering issues…

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DHCP Server: More Configuration Choices for Router, Time Server and DNS Server (Options 3, 4 and 6)

Alax.Info DHCP Server received more configuration options and allows customizable DHCP parameters, options 3, 4 and 6: Registry: Data Tag Name Length Meaning Reference ——– ——————————- —— ———————————————— ——— 3 Router N N/4 Router addresses [RFC2132] 4 Time Server N N/4 Timeserver addresses [RFC2132] 6 Domain Server N N/4 DNS Server addresses [RFC2132] Application GUI…

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Confusing AUDIO_STREAM_CONFIG_CAPS

I don’t have any idea who makes software nowadays, but how can it expected to be reliable? Intel DG33FBC motherboard, onboard Realtek ALC888 High Definition Audio. I am tracing AUDIO_STREAM_CONFIG_CAPS capabilities reported by onboard audio capture board, one of them: AM_MEDIA_TYPE: majortype {73647561-0000-0010-8000-00AA00389B71}, subtype {00000001-0000-0010-8000-00AA00389B71}, pUnk 0x00000000 bFixedSizeSamples 1, bTemporalCompression 0, lSampleSize 4 formattype {05589F81-C356-11CE-BF01-00AA0055595A},…

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Visual Studio .NET 2008 (9.0), Windows SDK version and MIDL compiler

Having installed Visual Studio .NET 2008 Service Pack 1 (installs Windows SDK 6.0a) and Windows SDK 6.1, I would obviously like to have newer Windows SDK used in include path. However after edit of WindowsSdkDir environment variable and checking all include directories to point to new Windows (former Platform) SDK path “C:\Program Files\Microsoft SDKs\Windows\v6.1“, MIDL…

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DHCP Server: VoIP Configuration Server Address Options 66 and 150

Alax.Info DHCP Server was updated and received a new feature to send TFTP Server Name (DHCP option 66) and TFTP Server IP Addresses (DHCP option 150) so much required to automatically configure VoIP hardware. Option 150 is defined by internet draft “VoIP Configuration Server Address Option”: This memo documents existing usage for the “VoIP Configuration…

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