HP P Class 733/800/866MHz / 1GHz Online Manual

Using sound on your pc
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Using
Sound
on
Your PC
Online Guide
Rev. 2
March 1998
English

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Table of Contents
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Summary of Contents for HP P Class 733/800/866MHz / 1GHz

  • Page 1 Using Sound Your PC Online Guide Rev. 2 March 1998 English...
  • Page 2: How To Use This Online Guide

    How to use this online guide Click the Go Back button in the toolbar to go back to your previous place in the guide. Click the Next Page button in the toolbar to go to the next page in the guide. Click the Previous Page button in the toolbar to go to the previous page in the guide.
  • Page 3: Table Of Contents

    Contents How to use this online guide ......2 Using Sound on Your PC Why Do I Need Sound? .
  • Page 4 Index ..........27 English...
  • Page 5: Using Sound On Your Pc

    Using Sound on Your PC This guide tells you how to get the most out of your computer’s sound system. It tells you what you can do with the audio programs, and how to solve any problems.
  • Page 6: Why Do I Need Sound

    Using Sound on Your PC Why Do I Need Sound? Why Do I Need Sound? Sound is an essential element in multimedia computing. But just what is “multimedia computing”, and what can you do with it? With the popular Sound Blaster compatible product in your PC, you can: Run training applications that use speech and music.
  • Page 7: Connecting Audio Devices To The Rear Panel

    Connecting Audio Devices to the Rear Panel The multimedia rear panel has an audio Line In jack, an audio Line Out jack, MIDI interface connector, and a MIC In jack. You can therefore use this panel to connect headphones, a microphone, a recording device, or other audio devices such as a Minidisc player, powered speakers, external amplifier for audio output.
  • Page 8 (tape deck), or stereo headphones. You can use the LINE OUT jack for headphones with limited power output. If your computer has an HP multimedia control panel (situated at the front of the computer), it is recommended that you use this dedicated headphone output.
  • Page 9: Connecting Audio Devices To The Front Panel

    Connecting Audio Devices to the Front Panel Your computer’s multimedia front panel has a headphones/speaker jack, and a microphone jack information). The front panel microphone input and headphone output are more accessible than the connectors on the rear panel. When you use the front panel Headphone Out jack, the rear panel Line Out jack is automatically muted.
  • Page 10: Connecting A Midi Keyboard (Models With Midi Connector)

    Using Sound on Your PC Connecting a MIDI Keyboard (models with MIDI connector) Connecting a MIDI Keyboard By connecting a keyboard instrument to your computer, and running a sequencer program on your computer to control your musical arrangements, you can create a mini-recording studio.
  • Page 11 Setting Up Under If you are running Windows NT 4.0 or Windows 95: Windows NT 4.0 and Click the Start button. Windows 95 Select Settings Double-click the Multimedia icon In the Multimedia Properties dialog box, click the MIDI tab. • To play back all the channels through the same synthesizer, select Single instrument.
  • Page 12: Running The Audio Programs

    Running the Audio Programs Running the Audio Programs Your HP PC Workstation has full audio capability. The embedded audio features can be used by any other application that supports standard PC audio capability. For example, you can add computer software for creating your own multimedia business presentations and training programs, building in voice-over, graphics, and audio enhancements.
  • Page 13: Testing Your Audio

    Testing Your Audio For Windows NT operating systems and Windows 95, set the Mixer volume control slide bars to mid range before beginning tests. If You Are Running Windows NT 4.0 or Windows 95 There are many sample wave and MIDI files on your computer which you can play to check that your audio system works.
  • Page 14: Installing Audio Software

    Using Sound on Your PC Installing Audio Software Installing Audio Software Your Multimedia program group should already contain all the Windows NT 4.0 or Windows 95 audio programs (described on missing, you can install them as follows: Click the Start button on the taskbar. Select Settings Control Panel.
  • Page 15: Internal Hardware Connectors

    Internal Hardware Connectors The PC’s system board has several connectors that allow you to internally connect to other devices. To find out where the internal connectors are located on the system board, and their pin assignments, refer to your User’s Guide. The internal audio connectors include: CD Audio Connector The CD Audio Connector, labeled “CD IN”, is a 4-pin connector that is connected to...
  • Page 16: Aux Audio Connector

    Using Sound on Your PC Internal Hardware Connectors AUX Audio Connector The AUX (Auxiliary) Connector, labeled “AUX”, is a 4-pin connector that is intended to interconnect with other peripherals’ analog audio devices. These peripherals can be: • Secondary CD drive. •...
  • Page 17: Sound Settings

    Sound Settings The embedded audio in your HP PC Workstation supports Plug and Play. This means that if another accessory board is installed, or reinstalled, the operating system is able to automatically configure the various software settings. The following table gives the preferred settings for the embedded audio:...
  • Page 18 Using Sound on Your PC Sound Settings In the list of devices, expand the line Audio for Analog Devices SoundComm Driver. Properties. Click the Settings tab. Now you can view the settings. You may need to scroll the list to see all of the settings.
  • Page 19 Select a new setting, using the scroll buttons, and click OK. Click OK again at the Properties window, and then click Yes at the confirmation message. Click Close at the System Properties window. If you changed any settings, restart your PC for the changes to take effect. Using Sound on Your PC Sound Settings English...
  • Page 20: Solving Problems With Sound

    The LINE OUT jack is a low-distortion output that cannot drive (without amplification) low-impedance devices such as speakers. If you plug low- impedance devices into the LINE OUT jack, the volume will be low. HP recommends that you use powered speakers with integrated power supply from the rear panel, or a headset from the front panel.
  • Page 21 Audio input from the Check that the microphone level is not set too low in the volume control program. Check that the microphone specifications meet the requirements of the embedded microphone is too audio. Refer to the Audio Features described in your User’s Guide for further low, or no audio at all information.
  • Page 22 Using Sound on Your PC Solving Problems with Sound The PC hangs while Uncompressed digital audio can eventually fill your hard disk. For example, one minute of stereo sound recorded at a resolution of 44 kHz will occupy about 10.5 MB. recording Before recording, check that there is enough free space on your hard disk.
  • Page 23 The MIDI keyboard If you have been playing your keyboard through a sequencer program on your computer, it is possible that the sequencer has turned off “Local Control” on your makes no sound keyboard. This avoids duplication of notes. Refer to your keyboard’s documentation for instruction on how to turn Local Control on.
  • Page 24 Glossary ADPCM Adaptive Differential Pulse Code Modulation, a data compression technique. Refer to PCM, on page 25 for more details. A-law A method of data compression that enables the sampling of sound at a resolution of 16 bits, but that generates the same quantity of data as an 8-bit sampling rate.
  • Page 25 Glossary MPEG Motion Picture Expert Group. A standard for video sequence compression. You can play back MPEG files from the WEB or a video CD-ROM. MPU-401 MIDI interface hardware standard developed by the Roland Co. OLE Object Linking and Embedding. A Windows feature that allows different object types (such as speech clips or notes of music) to appear in a...
  • Page 26: Notice

    Using Sound on Your PC Notice Notice The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
  • Page 27 Index Add/Remove Programs ADPCM, compressing audio files audio devices, connecting Headphone jack Line In jack Line Out jack Mic jack audio devices, connecting MIDI/GAME connector audio front panel connector audio programs running –?? audio setup testing –?? AUX audio connector business uses for multimedia cassette player, connecting CD audio connector...
  • Page 28 Index joystick connecting Line In jack Line Out jack Local Control Off, on synthesizer medi player starting audio programs MIC In jack front panel rear panel MIC jack microphone, connecting MIDI defined formats (Basic) MIDI file MIDI instrument connecting connecting keyboard setting up and troubleshooting MIDI instrument troubleshooting Windows 95...
  • Page 29 Index solving problems audio input from the microphone is too low no audio at all CD-ROM playback does not work distorted audio output humming noise microphone is recording from left chan- nel only microphone volume is too low MIDI instrument, there is no echo MIDI keyboard makes no sound no sound running any applications speaker volume control does not work...

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