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TC9444F Fiches technique(PDF) 1 Page - Toshiba Semiconductor |
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TC9444F Fiches technique(HTML) 1 Page - Toshiba Semiconductor |
1 / 28 page TC9444F 2002-01-11 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9444F Single-Chip karaoke IC II The TC9444F is a karaoke chip for such applications as equipment for CD/LD players, mini component stereo sets, radio-cassette players, and VTRs. With its internal AD/DA converter system, the TC9444F can offer such karaoke functions as echo, vocal canceling, and key control on a single chip in addition to such digital signal processing (DSP) features as sound field control and bass/treble control. Because the program and coefficients are stored on internal ROM, the IC can be controlled by simple settings. Features · Incorporates an AD converter (three channels) with 2 times oversampling. THD: −65dB S/N ratio: 80dB (typ.) built-in pre-filter op-amp · Incorporates a 1-bit Σ∆-type DA converter (two channels). THD: −86dB S/N ratio: 93dB (typ.) built-in tertiary analog post filter · Supports one port for digital input and one for digital output. · Incorporates 64 Kbits of delay RAM · Microcontroller interface: I2C bus mode as well as Toshiba’s original three-lead mode · Built-in boot ROM initializes coefficients at reset or via a boot command. [Compatible Software] · Microphone echo: Variable delay time/level · Vocal cancellation: Attenuates only vocals from standard source · Vocal change: Vocals fade in/out depending on whether there is input from microphone · Vocal key control: For chorus and duet functions · Supports multi-sound sources: Various modes · Pseudo stereo: Monaural sources enhanced by sense of spaciousness · Key control: 14-step (max ±1 octave) stereo key control · Compressor or bass boost: Compression ratio selectable in range 6 to 36dB. Compression effect (amount of boost) can be varied smoothly. · Sound field control: Uses delay RAM to simulate such acoustic environments as churches, halls, sports stadiums, and discos. · Equalizer: Characteristics switchable by coefficient or I/F bit settings · 3D sound field: Offers 3-D sound. Weight: 1.08 g (typ.) |
Numéro de pièce similaire - TC9444F |
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Description similaire - TC9444F |
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