- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄98158 > TAS3103IDCP (TEXAS INSTRUMENTS INC) SPECIALTY CONSUMER CIRCUIT, PDSO38 PDF資料下載
參數(shù)資料
| 型號： | TAS3103IDCP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO38 |
| 封裝： | PLASTIC, HTSSOP-38 |
| 文件頁數(shù)： | 133/148頁 |
| 文件大?。?/td> | 1247K |
| 代理商： | TAS3103IDCP |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁第117頁第118頁第119頁第120頁第121頁第122頁第123頁第124頁第125頁第126頁第127頁第128頁第129頁第130頁第131頁第132頁當前第133頁第134頁第135頁第136頁第137頁第138頁第139頁第140頁第141頁第142頁第143頁第144頁第145頁第146頁第147頁第148頁
326
If G is set to 0.0 and O is set to 0.0, loudness compensation is disabled. If G is set to 0.0 and O is set to 1.0, the
biquad-filtered audio is directly added to the volume level adjusted audio. Typically, LG and LO are used to derive
the desired loudness compensation function, G is used to turn loudness compensation on and off, and O is used to
enable and disable the biquad filter output when automatic volume tracking is turned off.
3.6.3
Time Alignment and Reverb Delay Processing
The TAS3103 provides delay line facilities at two locations in the TAS3103—in the 3D effects block (reverb delay),
and at the output mix block (delay). There are three reverb delay blocks, one for each monaural channel, and these
delay elements are typically used in implementing sound spatiality, a single mix reverberation, and other sound
effects. There are also three delay blocks, again one for each monaural channel, and these delay elements are
typically used for temporal channel alignment. The delay line facilities are implemented using a single 4K (4096) x
16-bit RAM resource. Each delay element implemented provides a one-sample delay (1/FS). The size of each delay
line can be programmed via the I2C bus, or set by the EEPROM download in the I2C master mode. The only restriction
is that the total delay line resources programmed cannot exceed the capacity of the 4K x 16-bit memory bank.
Figure 317 illustrates how delay line structures are established within the 4K RAM memory. As seen in Figure 317,
each delay line immediately begins where the previously implemented delay line leaves off. The actual placement
of the pointers is computed by the resident microprocessor; the user need only enter the delay value required.
However, the following four points must be kept in mind in programming the lengths of the delay lines.
1.
Each delay line of length L requires L+1 memory sample spaces
2.
Reverb delay lines require three memory words (48 bits) to implement a single delay element as the reverb
delay line operates in the 48-bit word structure of the digital audio processor (DAP).
3.
Delay lines require two memory words (32 bits) to implement a single delay element as the delay lines
operate on the mixer outputs after 32-bit truncation has been applied,
4.
There are five words of reserved memory space that must be preserved.
In Figure 317, the terms PCHx refer to delay line size assignments for the delay lines. The terms PRx see the delay
line size assignments for the reverb delay lines. For the example shown in Figure 317, the delay for channel 3 is
set to 0 and the reverberation delay for channel 2 is set to 0. From these zero-valued settings, it is seen that a delay
of 0 requires the use of one delay element. For the case of a delay of 0, the write transaction into the single delay
element takes place before the read from the single delay element, thereby achieving a net delay of 0.
In making the delay line length assignments, the only restriction is that the 4K memory resource not be exceeded.
Figure 318 illustrates the computations required to determine the maximum delay line length obtainable for five
cases:
1.
One reverb delay line
2.
One delay line
3.
Three equal length reverb delay lines but no delay lines
4.
Three equal length delay lines but no reverb delay lines
5.
Three equal length delay lines and three equal length reverb delay lines.
相關PDF資料 |
PDF描述 |
|---|---|
| TAS3103DBTG4 | SPECIALTY CONSUMER CIRCUIT, PDSO38 |
| TAS3202PAGR | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS3202PAG | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS3204PAGR | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS3204PAG | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TAS3108 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:AUDIO DIGITAL SIGNAL PROCESSORS |
| TAS3108DCP | 功能描述:音頻 DSP 8-Channel Audio DSP RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TAS3108DCPG4 | 功能描述:音頻 DSP 8-Channel Audio DSP RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TAS3108DCPR | 功能描述:音頻 DSP 8-Channel Audio DSP RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TAS3108DCPRG4 | 功能描述:音頻 DSP 8-Channel Audio DSP RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
發(fā)布緊急采購，3分鐘左右您將得到回復。