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Appendix C. Additional Information for Mwave DSP Feature
Note:
In some countries, the Mwave
telephony functions are available
only after the DAA/Telephony Kit
option is installed.
This appendix provides detailed information about the ThinkPad
Mwave DSP Features.
Audio Information
This section provides information about the ThinkPad audio features.
Sound
The Mwave DSP features provide support for Windows Version 3.11
audio applications that comply with the Windows MultiMedia
Extensions (MME) for audio; for example, Windows Sound Recorder
and Windows Media Player that are shipped with Windows Version
3.11.
In general, recording audio music and speech at higher quality
requires more disk storage. The following table shows some typical
values for various sampling rates:
Sample
Rate
Sample
Size
Frequency
Range
Signal/Noise
Ratio
Remarks
44.1 KHz
16 bits
20 Hz — 20
KHz
80 dB
CD quality
22.05 KHz
16 bits
20 Hz — 10
KHz
80 dB
< CD quality
11 KHz
16 bits
20 Hz — 5
KHz
80 dB
AM quality
9.6 KHz
14 bits
200 Hz — 4
KHz
60 dB
Toll quality
8.0 KHz
8 bits
200 Hz — 4
KHz
60 dB
Toll quality
Copyright IBM Corp. 1995
267
Summary of Contents for ThinkPad 760C
Page 2: ...i...
Page 11: ...x IBM ThinkPad 760C User s Guide...
Page 17: ...Index 301 xvi IBM ThinkPad 760C User s Guide...
Page 27: ...Getting Started 5 4 1 1 2 2 10 IBM ThinkPad 760C User s Guide...
Page 29: ...Getting Started 6 7 8 2 2 3 3 1 1 12 IBM ThinkPad 760C User s Guide...
Page 53: ...Carrying the Computer Mwave Telephone Answering Machine 82 36 IBM ThinkPad 760C User s Guide...
Page 153: ...Using Locks 136 IBM ThinkPad 760C User s Guide...
Page 193: ...Attaching an IBM Dock I or Dock II Expansion Unit 176 IBM ThinkPad 760C User s Guide...
Page 259: ...Getting Service 242 IBM ThinkPad 760C User s Guide...
Page 265: ...Avoiding Hardware Conflicts 248 IBM ThinkPad 760C User s Guide...
Page 283: ...Advanced Information for PC Cards 266 IBM ThinkPad 760C User s Guide...
Page 289: ...Information for Mwave DSP Features 272 IBM ThinkPad 760C User s Guide...