E2E™ 设计支持
Search
User
Site
Search
User
E2E™ 中文设计支持 >
论坛
放大器
API 解答
音频
时钟和计时
数据转换器
DLP® 产品
接口
隔离
逻辑
微控制器
电机驱动器
处理器
电源管理
射频与微波
传感器
站点支持
开关与多路复用器
工具
无线连接
参考译文
存档组
存档论坛
技术文章
模拟
汽车
DLP® 技术
嵌入式处理
工业
电源管理
TI 培训
快速入门
English
More
Cancel
音频
音频论坛
Forum
Mentions
Sub-Groups
Tags
More
Cancel
Ask a new question
Ask a new question
Cancel
音频论坛
Threads
4713 Discussions
常见问题
[FAQ] 【分享】音频CODEC和ADC:常见噪声问题
Annie Liu
在一个系统中产生噪音的原因有很多,下面列出了最常见的原因(不按特定顺序排列): 1、带外噪声 2、PLL配置不正确 3、ASI(音频串行接口)配置不正确 4、地平面噪声耦合 5、电源 带外噪声是一个非常常见的问题,通常不考虑。带外噪声是由CODEC/ADC内的数字切换产生的高频噪声。当将模拟输出连接到D类放大器时,这种噪声会被混叠到音频频带并影响输出。带外噪声可以通过在模拟输出端增加一个截止频率约为30khz的低通滤波器来解决。 在CODEC/ADC中错误地配置PLL和ASI也会导致噪声问题。PLL和ASI总线都提供了以多种方式配置的能力…
已回答
4 年多前
音频
音频论坛
[FAQ] 【信号链分享】常见问题解答(持续更新中, 更新至10/28/2021)
Annie Liu
【信号链分享】常见问题解答(持续更新中, 更新至10/28/2021) 8640.常见问题解答-Signal Chain 2021.docx 【信号链分享】常见问题解答 -2020 3007.常见问题解答-Signal Chain 2020.docx
已回答
4 年多前
音频
音频论坛
[FAQ] PCM2912A:未使用的引脚的处理方法
Annie Liu
Other Parts Discussed in Thread: PCM2912A Q: 如果PCM2912A的headphone output不使用的话,那么相应的不用的引脚改如何处理呢? 下面这个表格总结了这些不用的引脚应该怎么接: A:
已回答
5 年多前
音频
音频论坛
[FAQ] 使用Purepath的讲解视频
Annie Liu
TLV320AICxx系列CODECs和其他audio ADCs经常会使用到Purepath Studio software, 那么第一次使用这个软件时,可能我们还不太熟悉,建议参考下面这三个关于purepath 的培训视频,相对对大家都有所帮助: http://www.ti.com/litv/wmv/slac323 http://www.ti.com/lit/wmv/slac325 http://www.ti.com/lit/wmv/slac327
已回答
5 年多前
音频
音频论坛
<
查看 FAQ 帖
Tags
RSS
More
Cancel
By title
By last reply date
By thread date
By reply count
By view count
By most asked
By votes
By quality
Descending
Ascending
All recent questions and discussions
Unanswered questions and discussions
Answered questions and discussions
Questions with suggested answers
Questions and discussions with no replies
Answered
[置顶帖] 精品课程大发送! 高精度实验室 - 音频基础知识
0
2111
views
1
reply
Latest
over 1 year ago
by
Kane Wang
Suggested Answer
PCM1863: PCM1863
0
134
views
7
replies
Latest
2 days ago
by
WU LONG
Suggested Answer
PCM5122: PCM5122 硬件配置问题
0
94
views
2
replies
Latest
6 days ago
by
Eirwen
Suggested Answer
PCM6240-Q1: 主机模式下怎么配置可以不需要外接MCLK
0
90
views
3
replies
Latest
6 days ago
by
Lydia
Answered
Junction temp confirmation
0
194
views
8
replies
Latest
6 days ago
by
Lydia
Suggested Answer
RC4580: PIN foot had an upward tilt
0
82
views
2
replies
Latest
9 days ago
by
Taylor
Suggested Answer
TAS5760M-Q1: The PBTL model employs questions
0
108
views
4
replies
Latest
9 days ago
by
Links
Suggested Answer
TAS6584-Q1:双TAS6584-Q1应用
0
93
views
4
replies
Latest
10 days ago
by
Eirwen
Answered
TPA3118D2: tpa
0
122
views
4
replies
Latest
10 days ago
by
Daniel
Suggested Answer
PCM6260-Q1: DYN_CH_PUPD_EN功能描述
0
134
views
2
replies
Latest
10 days ago
by
Links
Not Answered
我使用的是AM6234,有一个es8388的音频芯片,开始录音时会报错退出:arecord: pcm_read:2272: read error: Input/output error
0
191
views
8
replies
Latest
12 days ago
by
Eirwen
Suggested Answer
TLV320AIC3101: Low output volume and noise from HPROUT connected to Class-AB amp and 8Ω speaker
0
85
views
2
replies
Latest
12 days ago
by
Links
Answered
PCM4202: Regarding the accuracy of the reference voltage
0
120
views
4
replies
Latest
12 days ago
by
Nakamura Yuji
Suggested Answer
PPC3调试工具
0
106
views
2
replies
Latest
16 days ago
by
Vivian Gao
Answered
PCM1794A: mono模式下,电路不能正常工作。
0
179
views
4
replies
Latest
18 days ago
by
user6226776
Suggested Answer
PCM5142: STM32如何通过IIC接口控制PCM5142产生1Khz正弦波?
0
150
views
2
replies
Latest
19 days ago
by
Vivian Gao
Suggested Answer
TLV320AIC3104: 音频芯片调试问题
0
132
views
2
replies
Latest
19 days ago
by
Vivian Gao
Suggested Answer
PCMD3140: olny one channel ok
0
114
views
2
replies
Latest
19 days ago
by
Links
Answered
PCMD3140: PCMD3140 Linux driver program
0
228
views
4
replies
Latest
19 days ago
by
Daniel
Answered
PCM3140-Q1: 对模拟输入的电容器件是否有特殊要求?
0
209
views
4
replies
Latest
23 days ago
by
Lydia
>