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  1. Bus 002 Device 004: ID 041e:3237 Creative Technology, Ltd
  2. Device Descriptor:
  3. bLength 18
  4. bDescriptorType 1
  5. bcdUSB 1.10
  6. bDeviceClass 0 (Defined at Interface level)
  7. bDeviceSubClass 0
  8. bDeviceProtocol 0
  9. bMaxPacketSize0 64
  10. idVendor 0x041e Creative Technology, Ltd
  11. idProduct 0x3237
  12. bcdDevice 1.00
  13. iManufacturer 1 Creative Technology Ltd
  14. iProduct 2 SB X-Fi Surround 5.1 Pro
  15. iSerial 3 000000D5
  16. bNumConfigurations 1
  17. Configuration Descriptor:
  18. bLength 9
  19. bDescriptorType 2
  20. wTotalLength 694
  21. bNumInterfaces 3
  22. bConfigurationValue 1
  23. iConfiguration 0
  24. bmAttributes 0x80
  25. (Bus Powered)
  26. MaxPower 400mA
  27. Interface Descriptor:
  28. bLength 9
  29. bDescriptorType 4
  30. bInterfaceNumber 0
  31. bAlternateSetting 0
  32. bNumEndpoints 1
  33. bInterfaceClass 1 Audio
  34. bInterfaceSubClass 1 Control Device
  35. bInterfaceProtocol 0
  36. iInterface 0
  37. AudioControl Interface Descriptor:
  38. bLength 10
  39. bDescriptorType 36
  40. bDescriptorSubtype 1 (HEADER)
  41. bcdADC 1.00
  42. wTotalLength 61
  43. bInCollection 2
  44. baInterfaceNr( 0) 1
  45. baInterfaceNr( 1) 2
  46. AudioControl Interface Descriptor:
  47. bLength 12
  48. bDescriptorType 36
  49. bDescriptorSubtype 2 (INPUT_TERMINAL)
  50. bTerminalID 1
  51. wTerminalType 0x0101 USB Streaming
  52. bAssocTerminal 0
  53. bNrChannels 6
  54. wChannelConfig 0x003f
  55. Left Front (L)
  56. Right Front (R)
  57. Center Front (C)
  58. Low Freqency Enhancement (LFE)
  59. Left Surround (LS)
  60. Right Surround (RS)
  61. iChannelNames 0
  62. iTerminal 0
  63. AudioControl Interface Descriptor:
  64. bLength 9
  65. bDescriptorType 36
  66. bDescriptorSubtype 3 (OUTPUT_TERMINAL)
  67. bTerminalID 3
  68. wTerminalType 0x0301 Speaker
  69. bAssocTerminal 0
  70. bSourceID 1
  71. iTerminal 0
  72. AudioControl Interface Descriptor:
  73. bLength 12
  74. bDescriptorType 36
  75. bDescriptorSubtype 2 (INPUT_TERMINAL)
  76. bTerminalID 4
  77. wTerminalType 0x0603 Line Connector
  78. bAssocTerminal 0
  79. bNrChannels 2
  80. wChannelConfig 0x0003
  81. Left Front (L)
  82. Right Front (R)
  83. iChannelNames 0
  84. iTerminal 0
  85. AudioControl Interface Descriptor:
  86. bLength 9
  87. bDescriptorType 36
  88. bDescriptorSubtype 3 (OUTPUT_TERMINAL)
  89. bTerminalID 6
  90. wTerminalType 0x0101 USB Streaming
  91. bAssocTerminal 0
  92. bSourceID 4
  93. iTerminal 0
  94. AudioControl Interface Descriptor:
  95. bLength 9
  96. bDescriptorType 36
  97. bDescriptorSubtype 3 (OUTPUT_TERMINAL)
  98. bTerminalID 8
  99. wTerminalType 0x0602 Digital Audio Interface
  100. bAssocTerminal 0
  101. bSourceID 1
  102. iTerminal 0
  103. Endpoint Descriptor:
  104. bLength 9
  105. bDescriptorType 5
  106. bEndpointAddress 0x83 EP 3 IN
  107. bmAttributes 3
  108. Transfer Type Interrupt
  109. Synch Type None
  110. Usage Type Data
  111. wMaxPacketSize 0x0002 1x 2 bytes
  112. bInterval 10
  113. bRefresh 0
  114. bSynchAddress 0
  115. Interface Descriptor:
  116. bLength 9
  117. bDescriptorType 4
  118. bInterfaceNumber 1
  119. bAlternateSetting 0
  120. bNumEndpoints 0
  121. bInterfaceClass 1 Audio
  122. bInterfaceSubClass 2 Streaming
  123. bInterfaceProtocol 0
  124. iInterface 0
  125. Interface Descriptor:
  126. bLength 9
  127. bDescriptorType 4
  128. bInterfaceNumber 1
  129. bAlternateSetting 1
  130. bNumEndpoints 2
  131. bInterfaceClass 1 Audio
  132. bInterfaceSubClass 2 Streaming
  133. bInterfaceProtocol 0
  134. iInterface 0
  135. AudioStreaming Interface Descriptor:
  136. bLength 7
  137. bDescriptorType 36
  138. bDescriptorSubtype 1 (AS_GENERAL)
  139. bTerminalLink 1
  140. bDelay 0 frames
  141. wFormatTag 1 PCM
  142. AudioStreaming Interface Descriptor:
  143. bLength 11
  144. bDescriptorType 36
  145. bDescriptorSubtype 2 (FORMAT_TYPE)
  146. bFormatType 1 (FORMAT_TYPE_I)
  147. bNrChannels 2
  148. bSubframeSize 2
  149. bBitResolution 16
  150. bSamFreqType 1 Discrete
  151. tSamFreq[ 0] 48000
  152. Endpoint Descriptor:
  153. bLength 9
  154. bDescriptorType 5
  155. bEndpointAddress 0x01 EP 1 OUT
  156. bmAttributes 5
  157. Transfer Type Isochronous
  158. Synch Type Asynchronous
  159. Usage Type Data
  160. wMaxPacketSize 0x00c4 1x 196 bytes
  161. bInterval 1
  162. bRefresh 0
  163. bSynchAddress 1
  164. AudioControl Endpoint Descriptor:
  165. bLength 7
  166. bDescriptorType 37
  167. bDescriptorSubtype 1 (EP_GENERAL)
  168. bmAttributes 0x00
  169. bLockDelayUnits 0 Undefined
  170. wLockDelay 0 Undefined
  171. Endpoint Descriptor:
  172. bLength 9
  173. bDescriptorType 5
  174. bEndpointAddress 0x81 EP 1 IN
  175. bmAttributes 17
  176. Transfer Type Isochronous
  177. Synch Type None
  178. Usage Type Feedback
  179. wMaxPacketSize 0x0003 1x 3 bytes
  180. bInterval 1
  181. bRefresh 5
  182. bSynchAddress 0
  183. Interface Descriptor:
  184. bLength 9
  185. bDescriptorType 4
  186. bInterfaceNumber 1
  187. bAlternateSetting 2
  188. bNumEndpoints 2
  189. bInterfaceClass 1 Audio
  190. bInterfaceSubClass 2 Streaming
  191. bInterfaceProtocol 0
  192. iInterface 0
  193. AudioStreaming Interface Descriptor:
  194. bLength 7
  195. bDescriptorType 36
  196. bDescriptorSubtype 1 (AS_GENERAL)
  197. bTerminalLink 1
  198. bDelay 0 frames
  199. wFormatTag 1 PCM
  200. AudioStreaming Interface Descriptor:
  201. bLength 11
  202. bDescriptorType 36
  203. bDescriptorSubtype 2 (FORMAT_TYPE)
  204. bFormatType 1 (FORMAT_TYPE_I)
  205. bNrChannels 2
  206. bSubframeSize 3
  207. bBitResolution 24
  208. bSamFreqType 1 Discrete
  209. tSamFreq[ 0] 48000
  210. Endpoint Descriptor:
  211. bLength 9
  212. bDescriptorType 5
  213. bEndpointAddress 0x01 EP 1 OUT
  214. bmAttributes 5
  215. Transfer Type Isochronous
  216. Synch Type Asynchronous
  217. Usage Type Data
  218. wMaxPacketSize 0x0126 1x 294 bytes
  219. bInterval 1
  220. bRefresh 0
  221. bSynchAddress 1
  222. AudioControl Endpoint Descriptor:
  223. bLength 7
  224. bDescriptorType 37
  225. bDescriptorSubtype 1 (EP_GENERAL)
  226. bmAttributes 0x00
  227. bLockDelayUnits 0 Undefined
  228. wLockDelay 0 Undefined
  229. Endpoint Descriptor:
  230. bLength 9
  231. bDescriptorType 5
  232. bEndpointAddress 0x81 EP 1 IN
  233. bmAttributes 17
  234. Transfer Type Isochronous
  235. Synch Type None
  236. Usage Type Feedback
  237. wMaxPacketSize 0x0003 1x 3 bytes
  238. bInterval 1
  239. bRefresh 5
  240. bSynchAddress 0
  241. Interface Descriptor:
  242. bLength 9
  243. bDescriptorType 4
  244. bInterfaceNumber 1
  245. bAlternateSetting 3
  246. bNumEndpoints 2
  247. bInterfaceClass 1 Audio
  248. bInterfaceSubClass 2 Streaming
  249. bInterfaceProtocol 0
  250. iInterface 0
  251. AudioStreaming Interface Descriptor:
  252. bLength 7
  253. bDescriptorType 36
  254. bDescriptorSubtype 1 (AS_GENERAL)
  255. bTerminalLink 1
  256. bDelay 0 frames
  257. wFormatTag 1 PCM
  258. AudioStreaming Interface Descriptor:
  259. bLength 11
  260. bDescriptorType 36
  261. bDescriptorSubtype 2 (FORMAT_TYPE)
  262. bFormatType 1 (FORMAT_TYPE_I)
  263. bNrChannels 6
  264. bSubframeSize 2
  265. bBitResolution 16
  266. bSamFreqType 1 Discrete
  267. tSamFreq[ 0] 48000
  268. Endpoint Descriptor:
  269. bLength 9
  270. bDescriptorType 5
  271. bEndpointAddress 0x01 EP 1 OUT
  272. bmAttributes 5
  273. Transfer Type Isochronous
  274. Synch Type Asynchronous
  275. Usage Type Data
  276. wMaxPacketSize 0x024c 1x 588 bytes
  277. bInterval 1
  278. bRefresh 0
  279. bSynchAddress 1
  280. AudioControl Endpoint Descriptor:
  281. bLength 7
  282. bDescriptorType 37
  283. bDescriptorSubtype 1 (EP_GENERAL)
  284. bmAttributes 0x00
  285. bLockDelayUnits 0 Undefined
  286. wLockDelay 0 Undefined
  287. Endpoint Descriptor:
  288. bLength 9
  289. bDescriptorType 5
  290. bEndpointAddress 0x81 EP 1 IN
  291. bmAttributes 17
  292. Transfer Type Isochronous
  293. Synch Type None
  294. Usage Type Feedback
  295. wMaxPacketSize 0x0003 1x 3 bytes
  296. bInterval 1
  297. bRefresh 5
  298. bSynchAddress 0
  299. Interface Descriptor:
  300. bLength 9
  301. bDescriptorType 4
  302. bInterfaceNumber 1
  303. bAlternateSetting 4
  304. bNumEndpoints 2
  305. bInterfaceClass 1 Audio
  306. bInterfaceSubClass 2 Streaming
  307. bInterfaceProtocol 0
  308. iInterface 0
  309. AudioStreaming Interface Descriptor:
  310. bLength 7
  311. bDescriptorType 36
  312. bDescriptorSubtype 1 (AS_GENERAL)
  313. bTerminalLink 1
  314. bDelay 0 frames
  315. wFormatTag 1 PCM
  316. AudioStreaming Interface Descriptor:
  317. bLength 11
  318. bDescriptorType 36
  319. bDescriptorSubtype 2 (FORMAT_TYPE)
  320. bFormatType 1 (FORMAT_TYPE_I)
  321. bNrChannels 6
  322. bSubframeSize 3
  323. bBitResolution 24
  324. bSamFreqType 1 Discrete
  325. tSamFreq[ 0] 48000
  326. Endpoint Descriptor:
  327. bLength 9
  328. bDescriptorType 5
  329. bEndpointAddress 0x01 EP 1 OUT
  330. bmAttributes 5
  331. Transfer Type Isochronous
  332. Synch Type Asynchronous
  333. Usage Type Data
  334. wMaxPacketSize 0x0372 1x 882 bytes
  335. bInterval 1
  336. bRefresh 0
  337. bSynchAddress 1
  338. AudioControl Endpoint Descriptor:
  339. bLength 7
  340. bDescriptorType 37
  341. bDescriptorSubtype 1 (EP_GENERAL)
  342. bmAttributes 0x00
  343. bLockDelayUnits 0 Undefined
  344. wLockDelay 0 Undefined
  345. Endpoint Descriptor:
  346. bLength 9
  347. bDescriptorType 5
  348. bEndpointAddress 0x81 EP 1 IN
  349. bmAttributes 17
  350. Transfer Type Isochronous
  351. Synch Type None
  352. Usage Type Feedback
  353. wMaxPacketSize 0x0003 1x 3 bytes
  354. bInterval 1
  355. bRefresh 5
  356. bSynchAddress 0
  357. Interface Descriptor:
  358. bLength 9
  359. bDescriptorType 4
  360. bInterfaceNumber 1
  361. bAlternateSetting 5
  362. bNumEndpoints 2
  363. bInterfaceClass 1 Audio
  364. bInterfaceSubClass 2 Streaming
  365. bInterfaceProtocol 0
  366. iInterface 0
  367. AudioStreaming Interface Descriptor:
  368. bLength 7
  369. bDescriptorType 36
  370. bDescriptorSubtype 1 (AS_GENERAL)
  371. bTerminalLink 1
  372. bDelay 0 frames
  373. wFormatTag 1 PCM
  374. AudioStreaming Interface Descriptor:
  375. bLength 11
  376. bDescriptorType 36
  377. bDescriptorSubtype 2 (FORMAT_TYPE)
  378. bFormatType 1 (FORMAT_TYPE_I)
  379. bNrChannels 2
  380. bSubframeSize 2
  381. bBitResolution 16
  382. bSamFreqType 1 Discrete
  383. tSamFreq[ 0] 96000
  384. Endpoint Descriptor:
  385. bLength 9
  386. bDescriptorType 5
  387. bEndpointAddress 0x01 EP 1 OUT
  388. bmAttributes 5
  389. Transfer Type Isochronous
  390. Synch Type Asynchronous
  391. Usage Type Data
  392. wMaxPacketSize 0x0184 1x 388 bytes
  393. bInterval 1
  394. bRefresh 0
  395. bSynchAddress 1
  396. AudioControl Endpoint Descriptor:
  397. bLength 7
  398. bDescriptorType 37
  399. bDescriptorSubtype 1 (EP_GENERAL)
  400. bmAttributes 0x00
  401. bLockDelayUnits 0 Undefined
  402. wLockDelay 0 Undefined
  403. Endpoint Descriptor:
  404. bLength 9
  405. bDescriptorType 5
  406. bEndpointAddress 0x81 EP 1 IN
  407. bmAttributes 17
  408. Transfer Type Isochronous
  409. Synch Type None
  410. Usage Type Feedback
  411. wMaxPacketSize 0x0003 1x 3 bytes
  412. bInterval 1
  413. bRefresh 5
  414. bSynchAddress 0
  415. Interface Descriptor:
  416. bLength 9
  417. bDescriptorType 4
  418. bInterfaceNumber 1
  419. bAlternateSetting 6
  420. bNumEndpoints 2
  421. bInterfaceClass 1 Audio
  422. bInterfaceSubClass 2 Streaming
  423. bInterfaceProtocol 0
  424. iInterface 0
  425. AudioStreaming Interface Descriptor:
  426. bLength 7
  427. bDescriptorType 36
  428. bDescriptorSubtype 1 (AS_GENERAL)
  429. bTerminalLink 1
  430. bDelay 0 frames
  431. wFormatTag 1 PCM
  432. AudioStreaming Interface Descriptor:
  433. bLength 11
  434. bDescriptorType 36
  435. bDescriptorSubtype 2 (FORMAT_TYPE)
  436. bFormatType 1 (FORMAT_TYPE_I)
  437. bNrChannels 2
  438. bSubframeSize 3
  439. bBitResolution 24
  440. bSamFreqType 1 Discrete
  441. tSamFreq[ 0] 96000
  442. Endpoint Descriptor:
  443. bLength 9
  444. bDescriptorType 5
  445. bEndpointAddress 0x01 EP 1 OUT
  446. bmAttributes 5
  447. Transfer Type Isochronous
  448. Synch Type Asynchronous
  449. Usage Type Data
  450. wMaxPacketSize 0x0246 1x 582 bytes
  451. bInterval 1
  452. bRefresh 0
  453. bSynchAddress 1
  454. AudioControl Endpoint Descriptor:
  455. bLength 7
  456. bDescriptorType 37
  457. bDescriptorSubtype 1 (EP_GENERAL)
  458. bmAttributes 0x00
  459. bLockDelayUnits 0 Undefined
  460. wLockDelay 0 Undefined
  461. Endpoint Descriptor:
  462. bLength 9
  463. bDescriptorType 5
  464. bEndpointAddress 0x81 EP 1 IN
  465. bmAttributes 17
  466. Transfer Type Isochronous
  467. Synch Type None
  468. Usage Type Feedback
  469. wMaxPacketSize 0x0003 1x 3 bytes
  470. bInterval 1
  471. bRefresh 5
  472. bSynchAddress 0
  473. Interface Descriptor:
  474. bLength 9
  475. bDescriptorType 4
  476. bInterfaceNumber 1
  477. bAlternateSetting 7
  478. bNumEndpoints 2
  479. bInterfaceClass 1 Audio
  480. bInterfaceSubClass 2 Streaming
  481. bInterfaceProtocol 0
  482. iInterface 0
  483. AudioStreaming Interface Descriptor:
  484. bLength 7
  485. bDescriptorType 36
  486. bDescriptorSubtype 1 (AS_GENERAL)
  487. bTerminalLink 1
  488. bDelay 0 frames
  489. wFormatTag 8193 IEC1937_AC-3
  490. AudioStreaming Interface Descriptor:
  491. bLength 11
  492. bDescriptorType 36
  493. bDescriptorSubtype 2 (FORMAT_TYPE)
  494. bFormatType 3 (FORMAT_TYPE_III)
  495. bNrChannels 2
  496. bSubframeSize 2
  497. bBitResolution 16
  498. bSamFreqType 1 Discrete
  499. tSamFreq[ 0] 44100
  500. Endpoint Descriptor:
  501. bLength 9
  502. bDescriptorType 5
  503. bEndpointAddress 0x01 EP 1 OUT
  504. bmAttributes 5
  505. Transfer Type Isochronous
  506. Synch Type Asynchronous
  507. Usage Type Data
  508. wMaxPacketSize 0x00b4 1x 180 bytes
  509. bInterval 1
  510. bRefresh 0
  511. bSynchAddress 1
  512. AudioControl Endpoint Descriptor:
  513. bLength 7
  514. bDescriptorType 37
  515. bDescriptorSubtype 1 (EP_GENERAL)
  516. bmAttributes 0x00
  517. bLockDelayUnits 0 Undefined
  518. wLockDelay 0 Undefined
  519. Endpoint Descriptor:
  520. bLength 9
  521. bDescriptorType 5
  522. bEndpointAddress 0x81 EP 1 IN
  523. bmAttributes 17
  524. Transfer Type Isochronous
  525. Synch Type None
  526. Usage Type Feedback
  527. wMaxPacketSize 0x0003 1x 3 bytes
  528. bInterval 1
  529. bRefresh 5
  530. bSynchAddress 0
  531. Interface Descriptor:
  532. bLength 9
  533. bDescriptorType 4
  534. bInterfaceNumber 1
  535. bAlternateSetting 8
  536. bNumEndpoints 2
  537. bInterfaceClass 1 Audio
  538. bInterfaceSubClass 2 Streaming
  539. bInterfaceProtocol 0
  540. iInterface 0
  541. AudioStreaming Interface Descriptor:
  542. bLength 7
  543. bDescriptorType 36
  544. bDescriptorSubtype 1 (AS_GENERAL)
  545. bTerminalLink 1
  546. bDelay 0 frames
  547. wFormatTag 8193 IEC1937_AC-3
  548. AudioStreaming Interface Descriptor:
  549. bLength 11
  550. bDescriptorType 36
  551. bDescriptorSubtype 2 (FORMAT_TYPE)
  552. bFormatType 3 (FORMAT_TYPE_III)
  553. bNrChannels 2
  554. bSubframeSize 2
  555. bBitResolution 16
  556. bSamFreqType 1 Discrete
  557. tSamFreq[ 0] 48000
  558. Endpoint Descriptor:
  559. bLength 9
  560. bDescriptorType 5
  561. bEndpointAddress 0x01 EP 1 OUT
  562. bmAttributes 5
  563. Transfer Type Isochronous
  564. Synch Type Asynchronous
  565. Usage Type Data
  566. wMaxPacketSize 0x00c4 1x 196 bytes
  567. bInterval 1
  568. bRefresh 0
  569. bSynchAddress 1
  570. AudioControl Endpoint Descriptor:
  571. bLength 7
  572. bDescriptorType 37
  573. bDescriptorSubtype 1 (EP_GENERAL)
  574. bmAttributes 0x00
  575. bLockDelayUnits 0 Undefined
  576. wLockDelay 0 Undefined
  577. Endpoint Descriptor:
  578. bLength 9
  579. bDescriptorType 5
  580. bEndpointAddress 0x81 EP 1 IN
  581. bmAttributes 17
  582. Transfer Type Isochronous
  583. Synch Type None
  584. Usage Type Feedback
  585. wMaxPacketSize 0x0003 1x 3 bytes
  586. bInterval 1
  587. bRefresh 5
  588. bSynchAddress 0
  589. Interface Descriptor:
  590. bLength 9
  591. bDescriptorType 4
  592. bInterfaceNumber 2
  593. bAlternateSetting 0
  594. bNumEndpoints 0
  595. bInterfaceClass 1 Audio
  596. bInterfaceSubClass 2 Streaming
  597. bInterfaceProtocol 0
  598. iInterface 0
  599. Interface Descriptor:
  600. bLength 9
  601. bDescriptorType 4
  602. bInterfaceNumber 2
  603. bAlternateSetting 1
  604. bNumEndpoints 1
  605. bInterfaceClass 1 Audio
  606. bInterfaceSubClass 2 Streaming
  607. bInterfaceProtocol 0
  608. iInterface 0
  609. AudioStreaming Interface Descriptor:
  610. bLength 7
  611. bDescriptorType 36
  612. bDescriptorSubtype 1 (AS_GENERAL)
  613. bTerminalLink 6
  614. bDelay 0 frames
  615. wFormatTag 1 PCM
  616. AudioStreaming Interface Descriptor:
  617. bLength 11
  618. bDescriptorType 36
  619. bDescriptorSubtype 2 (FORMAT_TYPE)
  620. bFormatType 1 (FORMAT_TYPE_I)
  621. bNrChannels 2
  622. bSubframeSize 2
  623. bBitResolution 16
  624. bSamFreqType 1 Discrete
  625. tSamFreq[ 0] 48000
  626. Endpoint Descriptor:
  627. bLength 9
  628. bDescriptorType 5
  629. bEndpointAddress 0x82 EP 2 IN
  630. bmAttributes 37
  631. Transfer Type Isochronous
  632. Synch Type Asynchronous
  633. Usage Type Implicit feedback Data
  634. wMaxPacketSize 0x00c4 1x 196 bytes
  635. bInterval 1
  636. bRefresh 0
  637. bSynchAddress 0
  638. AudioControl Endpoint Descriptor:
  639. bLength 7
  640. bDescriptorType 37
  641. bDescriptorSubtype 1 (EP_GENERAL)
  642. bmAttributes 0x00
  643. bLockDelayUnits 0 Undefined
  644. wLockDelay 0 Undefined
  645. Interface Descriptor:
  646. bLength 9
  647. bDescriptorType 4
  648. bInterfaceNumber 2
  649. bAlternateSetting 2
  650. bNumEndpoints 1
  651. bInterfaceClass 1 Audio
  652. bInterfaceSubClass 2 Streaming
  653. bInterfaceProtocol 0
  654. iInterface 0
  655. AudioStreaming Interface Descriptor:
  656. bLength 7
  657. bDescriptorType 36
  658. bDescriptorSubtype 1 (AS_GENERAL)
  659. bTerminalLink 6
  660. bDelay 0 frames
  661. wFormatTag 1 PCM
  662. AudioStreaming Interface Descriptor:
  663. bLength 11
  664. bDescriptorType 36
  665. bDescriptorSubtype 2 (FORMAT_TYPE)
  666. bFormatType 1 (FORMAT_TYPE_I)
  667. bNrChannels 2
  668. bSubframeSize 3
  669. bBitResolution 24
  670. bSamFreqType 1 Discrete
  671. tSamFreq[ 0] 48000
  672. Endpoint Descriptor:
  673. bLength 9
  674. bDescriptorType 5
  675. bEndpointAddress 0x82 EP 2 IN
  676. bmAttributes 37
  677. Transfer Type Isochronous
  678. Synch Type Asynchronous
  679. Usage Type Implicit feedback Data
  680. wMaxPacketSize 0x0126 1x 294 bytes
  681. bInterval 1
  682. bRefresh 0
  683. bSynchAddress 0
  684. AudioControl Endpoint Descriptor:
  685. bLength 7
  686. bDescriptorType 37
  687. bDescriptorSubtype 1 (EP_GENERAL)
  688. bmAttributes 0x00
  689. bLockDelayUnits 0 Undefined
  690. wLockDelay 0 Undefined
  691. Interface Descriptor:
  692. bLength 9
  693. bDescriptorType 4
  694. bInterfaceNumber 2
  695. bAlternateSetting 3
  696. bNumEndpoints 1
  697. bInterfaceClass 1 Audio
  698. bInterfaceSubClass 2 Streaming
  699. bInterfaceProtocol 0
  700. iInterface 0
  701. AudioStreaming Interface Descriptor:
  702. bLength 7
  703. bDescriptorType 36
  704. bDescriptorSubtype 1 (AS_GENERAL)
  705. bTerminalLink 6
  706. bDelay 0 frames
  707. wFormatTag 1 PCM
  708. AudioStreaming Interface Descriptor:
  709. bLength 11
  710. bDescriptorType 36
  711. bDescriptorSubtype 2 (FORMAT_TYPE)
  712. bFormatType 1 (FORMAT_TYPE_I)
  713. bNrChannels 2
  714. bSubframeSize 2
  715. bBitResolution 16
  716. bSamFreqType 1 Discrete
  717. tSamFreq[ 0] 96000
  718. Endpoint Descriptor:
  719. bLength 9
  720. bDescriptorType 5
  721. bEndpointAddress 0x82 EP 2 IN
  722. bmAttributes 37
  723. Transfer Type Isochronous
  724. Synch Type Asynchronous
  725. Usage Type Implicit feedback Data
  726. wMaxPacketSize 0x0184 1x 388 bytes
  727. bInterval 1
  728. bRefresh 0
  729. bSynchAddress 0
  730. AudioControl Endpoint Descriptor:
  731. bLength 7
  732. bDescriptorType 37
  733. bDescriptorSubtype 1 (EP_GENERAL)
  734. bmAttributes 0x00
  735. bLockDelayUnits 0 Undefined
  736. wLockDelay 0 Undefined
  737. Interface Descriptor:
  738. bLength 9
  739. bDescriptorType 4
  740. bInterfaceNumber 2
  741. bAlternateSetting 4
  742. bNumEndpoints 1
  743. bInterfaceClass 1 Audio
  744. bInterfaceSubClass 2 Streaming
  745. bInterfaceProtocol 0
  746. iInterface 0
  747. AudioStreaming Interface Descriptor:
  748. bLength 7
  749. bDescriptorType 36
  750. bDescriptorSubtype 1 (AS_GENERAL)
  751. bTerminalLink 6
  752. bDelay 0 frames
  753. wFormatTag 1 PCM
  754. AudioStreaming Interface Descriptor:
  755. bLength 11
  756. bDescriptorType 36
  757. bDescriptorSubtype 2 (FORMAT_TYPE)
  758. bFormatType 1 (FORMAT_TYPE_I)
  759. bNrChannels 2
  760. bSubframeSize 3
  761. bBitResolution 24
  762. bSamFreqType 1 Discrete
  763. tSamFreq[ 0] 96000
  764. Endpoint Descriptor:
  765. bLength 9
  766. bDescriptorType 5
  767. bEndpointAddress 0x82 EP 2 IN
  768. bmAttributes 37
  769. Transfer Type Isochronous
  770. Synch Type Asynchronous
  771. Usage Type Implicit feedback Data
  772. wMaxPacketSize 0x0246 1x 582 bytes
  773. bInterval 1
  774. bRefresh 0
  775. bSynchAddress 0
  776. AudioControl Endpoint Descriptor:
  777. bLength 7
  778. bDescriptorType 37
  779. bDescriptorSubtype 1 (EP_GENERAL)
  780. bmAttributes 0x00
  781. bLockDelayUnits 0 Undefined
  782. wLockDelay 0 Undefined
  783. Device Status: 0x0000
  784. (Bus Powered)
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