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Truespeech is a
proprietary audio codec produced by the DSP Group. It is
designed for
encoding voice data at low
bitrates (8.5 kbps for 8 kHz samples)...
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available for WAV
files including PCM, ADPCM,
Microsoft GSM 06.10, CELP, SBC,
Truespeech and MPEG Layer-3.
These are the
default ACM
codecs that come with Windows...
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transmitting at 5.3 and 6.3 kbit/s. It is
sometimes ****ociated with a
Truespeech trademark in
coprocessors produced by DSP Group. This is a completely...
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least Windows 95 came with a
selection of
standard codecs that
included Truespeech, GSM 6.10, G.723.1, IMA
ADPCM and
CCITT A-law and u-law, with additional...
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DirectPlay API.
Voxware MetaVoice Windows Media Player (voxmvdec.ax)
Truespeech Windows Media Player (tssoft32.acm)
FFmpeg (decoder only) MS GSM Windows...
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ADPCM THP), FastAudio, and
ADPCM IMA
MOFLEX Synaptics / DSP
Group Audio Truespeech Electronic Arts /
Criterion Games /
Black Box
Games /
Westwood Studios...
- CVSD, ATRAC1,
Dolby AC-2 — — EVS EVRC, EVRC-B, EVRC-WB, SMV, VMR-WB
Obsolete Other —
Varies — — MACE 3:1, MACE 6:1 —
Truespeech, many
others — — — —...
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audio standards:
SMPTE 302M Sony: ATRAC1 and ATRAC3
Speex (via libspeex)
Truespeech TTA (decoding only)
TwinVQ (decoding only)
Vorbis WavPack (decoding only)...
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FFmpeg plug-in) Yes Yes (ffdshow)
OptimFROG No No No No No Yes (ffdshow)
Truespeech Yes Yes Yes (Perian) Yes (GStreamer
FFmpeg plug-in) Yes Yes (ffdshow)...
- only)
RealAudio 1.0
RealAudio 2.0 (decoding only)
Shorten (decoding only)
Truespeech (decoding only) TTA
TwinVQ (decoding only)
Vorbis WAV
WavPack Windows...
