AudioAudio

►Analog or Digital Analog or Digital ►AnalogAnalog

Means?Means? ExamplesExamples

► DigitalDigital MeansMeans Examples?Examples?

Analog AudioAnalog Audio►LPsLPs►Cassette / reel / 8 track tapesCassette / reel / 8 track tapes

►Advantages of eachAdvantages of each

►Disadvantages of eachDisadvantages of each

Analog AudioAnalog Audio

►Advantages (LP, tape)Advantages (LP, tape) FamiliarityFamiliarity Availability (hardware)Availability (hardware) Easy recording (tape)Easy recording (tape) Relative Durability (tape)Relative Durability (tape) TransportabilityTransportability Other?Other?

Analog AudioAnalog Audio►DisadvantagesDisadvantages

QualityQuality►InitialInitial►Dubs (tape)Dubs (tape)

Durability (especially LPs)Durability (especially LPs) Format stabilityFormat stability

►Exception (so far) = cassetteException (so far) = cassette Duration (playing time)Duration (playing time)

►Remember changers?Remember changers? ??

Digital AudioDigital Audio

►CDsCDs Advantages?Advantages? Disadvantages?Disadvantages?

►Computer sound filesComputer sound files Advantages?Advantages? Disadvantages? Disadvantages?

Digital AudioDigital Audio►Advantages of CDsAdvantages of CDs

QualityQuality►OriginalOriginal►DubsDubs

Playing time Playing time (max = xx min) (max = xx min)

TransportableTransportable DurableDurable Other?Other?

Digital AudioDigital Audio►Disadvantages of CDsDisadvantages of CDs

Playing time (capacity) ?Playing time (capacity) ? Dubbing requirementsDubbing requirements Cost to buy commercialCost to buy commercial

►Are you being ripped off??Are you being ripped off?? Other?Other?

Digital AudioDigital Audio►Advantages of Computer SoundAdvantages of Computer Sound

EditableEditable Distributable (files)Distributable (files) ConvertibleConvertible Quality choicesQuality choices

►Affect file sizeAffect file size►Significance?Significance?

Other?Other?

Digital AudioDigital Audio►Disadvantages of Disadvantages of

Computer SoundComputer Sound Lack of familiarity / experienceLack of familiarity / experience

Play requires computer Play requires computer (or conversion to another format) (or conversion to another format)

File sizeFile size►Can be huge! Can be huge!

DA Concepts - 1DA Concepts - 1►Digital Audio File TypesDigital Audio File Types► +/- of Each Type+/- of Each Type

CDACDA WAV (std vs lower)WAV (std vs lower) MP3 & WMAMP3 & WMA AU / AIFFAU / AIFF MIDIMIDI Others?Others?

DA Concepts - 2DA Concepts - 2Factors Factors youyou control control►Recording VolumeRecording Volume

Too little = ?Too little = ? Too much = ?Too much = ?

►Audio file Audio file typetype Choices vary by softwareChoices vary by software

DA Concepts - 3DA Concepts - 3Factors you controlFactors you control►Quality via Sampling RateQuality via Sampling Rate

CD = 44kHzCD = 44kHz Radio (FM) = 22kHzRadio (FM) = 22kHz Telephone = 11kHzTelephone = 11kHz

►Quality via “Format” = Codec Quality via “Format” = Codec Compression / decompressionCompression / decompression Many possibilities within typesMany possibilities within types Experiment!Experiment!

DA Concepts – 4aDA Concepts – 4a►Hardware needsHardware needs

““Card” standard; add mic, cablesCard” standard; add mic, cables►Typical PCsTypical PCs

Interchangeable CardInterchangeable Card

IntegratedIntegrated

DA Concepts – 4bDA Concepts – 4b►Hardware needsHardware needs

““Card” standard; add mic, cablesCard” standard; add mic, cables►iMac ExampleiMac Example

►G3 exampleG3 example

DA Concepts - 5DA Concepts - 5►Software to record / editSoftware to record / edit

Sound RecorderSound Recorder is standard (Win) is standard (Win)►LimitationsLimitations

MusicMatch JukeboxMusicMatch Jukebox Sound ForgeSound Forge, et al. – more sophisticated, et al. – more sophisticated

►Software / Hardware to Software / Hardware to createcreate SmartSoundSmartSound MIDIMIDI

►DEMONSTRATIONS!DEMONSTRATIONS!

Sound RecorderSound Recorder DemoDemo

Mixer controls – often a Mixer controls – often a problemproblem

Known?Known?Multiple?Multiple?

RecordRecordOptions that affect qualityOptions that affect quality

EditEditGetting what you wantGetting what you want““Special effects”Special effects”

Music Match JukeboxMusic Match JukeboxDemoDemo

For Producing Longer WAVs, For Producing Longer WAVs, MP3s, & Some Limited MP3s, & Some Limited Format ConversionFormat Conversion

SmartSoundSmartSoundDemoDemo

Can’t save in Can’t save in demo versiondemo version

Inserting Audio Inserting Audio DemoDemo

Principle: Principle:

Everything in a Everything in a single foldersingle folder

Sample Web ResourcesSample Web Resources►wavcentral.comwavcentral.com (Nice variety)(Nice variety)►allwavs.comallwavs.com (some very BAD stuff, too)(some very BAD stuff, too)

►Multimedia sites from other unitsMultimedia sites from other units►Search for audio filesSearch for audio files

►syntrillium.comsyntrillium.com►goldwave.comgoldwave.com►sonicfoundry.comsonicfoundry.com►sonicdesktop.comsonicdesktop.com